Gardena City Council
December 12, 2023

The existing lighting fixture ballast contains PCB material.

The existing lighting fixture lamps contain mercury.

The existing lighting fixture internal wire insulation may contain asbestos.

2. Remove, handle, store, contain, dispose of and document the hazardous materials resulting from existing lighting fixtures work, as part of the Contract Requirements.

1.18 TIME/CURRENT COORDINATION, SHORT CIRCUIT, ARC-FLASH AND SERIES

RATED EQUIPMENT
A. Series Rated Equipment.

1. Circuit Protective Devices identified as "Series Rated" or "Current Limiting" (i.e., SR – Series Rated; CLCB - Current Limiting Circuit Breaker; CLF - current limiting fuse, etc.) shall be series rated and tested (UL 489, UL 67, and CSA5) by the Manufacturer with all equipment and circuit protective devices installed downstream of the identified series rated or current limiting device.

2. Provide nameplates on all equipment located downstream, including the CLCB and CLF devices, to comply with CEC/NEC paragraphs 110-22 and 240-83 "CAUTION SERIES RATED SYSTEM - NEW DEVICE INSTALLATIONS AND REPLACEMENTS SHALL BE THE SAME MANUFACTURER AND MODELS".

B. Short Circuit, Coordination and Arc-Flash

1. Perform Engineering Analysis and submit engineered settings for each equipment location, fuse and circuit breaker device, showing the correct time and current settings to provide the selective coordination within the limits of the specified equipment. Shall comply with the latest application Standards of IEEE and ANSI. Provide electrical system short circuit worst case bolted-fault analysis, both 3-phase line-to-line and 1-phase line-to-ground calculations as part of the Coordination Analysis recommendations. Provide Electric Arc-Flash calculations as part of the Coordination Analysis recommendations. Obtain the necessary information including the maximum fault current from the secondary side of the utility company transformer to complete the calculations from the serving Electrical Utility Company.

2. Obtain the short-circuit current ratings (SCCR) for all equipment with control panels or controllers (elevators, HVAC, plumbing equipment, etc.). Incorporate these items into the short circuit analysis and determine that the available fault current does not exceed the SCCR of the equipment.
26 05 00 - 21 Electrical General Provisions
TP-879
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3. The information shall be submitted in both tabular form and on time current loglog graph paper with an engineering narrative. Written narrative describing data, assumptions, analysis of results and prioritized recommendations, six copies.

4. The goal is to minimize an unexpected but necessary electrical system outage and personnel exposure to the smallest extent possible within the fault occurrence location, using the specified Contract equipment. Shall comply with, but not limited to:
a. IEEE-242, Recommended Practices for Protection and Coordination of Industrial and Commercial Distribution.

IEEE-399, Recommended Practices for Industrial and Commercial Power System Analysis.

IEEE-1584, Guide for Performing Arc-Flash Hazard Calculations Working Calculation.

CEC/NEC
b.
c.
d.

5. Provide permanent warning labels on each equipment location. The labels shall describe Arc-Flash, Short-Circuit and Time/Current Coordination, including safety precautions and protective clothing. Also describe actions to be taken if any circuit changes or equipment modifications occur.

6. The analysis shall be submitted with the Shop Drawing submittals for the respective equipment.

7. The Contractor shall independently contact the serving utility company to obtain the current system short circuit amps or available fault current.

8. The Contractor shall independently obtain As-Built Drawings for the existing infrastructure to establish lengths. If As-Built Drawings are no available, the Contractor shall research existing conditions and make reasonable but conservative estimates of conductor length. Where existing conductors have been re-used, the Contractor shall confirm conductor quantity, size, and conduit type.

1.19 INDEPENDENT TESTING LABORATORY
A. Testing Laboratories Definition

1. The Testing Laboratory shall meet Federal OSHA Criteria for accreditation of Nationally Recognized Testing Laboratories (NRTL) Title 29 Part 1907 and 29 CFR-1910.

2. Membership in the National Electrical Testing Association (NETA) shall also constitute acceptance of meeting said criteria, for testing of electrical systems. 26 05 00 - 22 Electrical General Provisions
TP-880
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

1.20 EQUIPMENT SEISMIC AND WIND LOAD REQUIREMENTS (ADDITIONAL

REQUIREMENTS)
A. General

1. Equipment supports and anchorages provided as part of the Contract shall be designed, constructed and installed in accordance with the Earthquake Regulations of the California Building Code (CBC), International Building Code (IBC).

2. Provide equipment anchorage details, coordinated with the equipment mounting provision, prepared, signed and "stamped" with PE registration in good standing, by a Civil or Structural Engineer Licensed as a Professional Engineer (PE) in the State of California.

3. Mounting recommendations shall be provided by the Manufacturer based upon approved shake-table tests used to verify the seismic design of that type of equipment.

4. The Equipment Manufacturer shall document the details necessary for proper wind-load and seismic mounting, anchorage, and bracing of the equipment for floor, ceiling, and wall/back installation location.

5. Seismic performance shall be based on actual install location of the respective equipment in the building and height above or below grade.

6. The Seismic Requirements are typical for each equipment item exceeding 100- pounds, including but not limited to the following:
a.
b.
c.
d.
e.

Switchgear, switchboards, and motor control equipment
Transformers
Equipment racks and terminal cabinets
Panels
Conduits with floor, ceiling or wall attachment support and conduits with suspension attachments.

Busway, wire way and cable tray
Uninterruptable power supplies (UPS)
Inverters
Generators and related equipment
Lighting equipment
Fire alarm equipment
f.
g.
h.
i.
j.
k.

C. Wall Mounted Electrical Equipment

1. Surface Mounted Equipment
a. Provide multiple horizontal sections of metal “C” channels for support and attaching wall mounted equipment to walls. Channels shall provide “turned lips” at longitudinal edges to hold “lock-in” fasteners and shall comply with ANSI-1008 and ASTM-A569 latest revision. The channels shall be steel hot dip zinc galvanized. As manufactured by Unistrut or Kindorf. 26 05 00 - 23 Electrical General Provisions
TP-881
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. The “C” channels shall be positioned horizontally within 3-inches of the top and bottom of each, equipment section cabinet and located behind each equipment vertical section. Provide additional intermediate “C” channels at not less than 36-inches on center between the “top” and “bottom” “C” channel positions, located behind each equipment vertical section.

The “C” channels shall be of sufficient length to provide connection to not less than two vertical structural wall framing elements separated by not less than 16-inches; but in no case shall the “C” channel length be less than the width of the respective equipment section.

Attach the “C” channels to the wall structural elements after the wall, finish surface, installation (including painting) is complete.

Attach the “C” channels with fasteners to the building wall framing structural elements as follows: welded to steel framing; bolted to wood framing; cast in place concrete inserts for masonry and concrete construction; drilled “afterset” expansion anchors for existing masonry and concrete construction.

Attach the equipment to the “C” channels with threaded and bolted fasteners to “pre-locate” and lock into the channel “turned lips” and channel walls. c.
d.
e.
f.

2. Flush mount equipment
a. Provide anchor attachment of equipment into adjacent wall structural elements.

D. Housekeeping Pad

1. Provide cast-in-place, steel re-enforced concrete raised “housekeeping” pads under all floor standing electrical equipment (except data network equipment racks).

2. Pad sizes
a. The raised housekeeping pad height shall extend 4-inches above the surrounding finished floor elevation for interior building locations.

The pad shall extend 8-inches below finish grade plus 4-inches above finish grade for outdoor equipment location on grade.

The pads shall extend 7-inches past the “footprint” edge of the respective floor standing equipment.
b.
c.

3. Anchor equipment to pads. Anchor pads to the building structural floor.

Equipment pad, equipment re-enforcing and equipment anchoring shall comply with Seismic Earthquake Requirements and Wind Load Requirements.

4. Unless shown otherwise on Drawings. The equipment housekeeping pad steel re-enforcing shall consist of two layers of Number-4 size steel-rebar laid horizontally and uniformly spaced 6-inches on center. Position rebar in two directions (90-degrees opposed) and centered inside the concrete housekeeping pad. Horizontal rebar shall extend to within 3-inches of the edge of the concrete pad in all directions. Metal wire “tie-wrap” shall be provided at each rebar crossing.
26 05 00 - 24 Electrical General Provisions
TP-882
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

5. Equipment anchor attachments shall extend through the housekeeping pad and into the structural concrete below the pad a minimum of not less than 2-inches.

1.21 ELECTRICAL WORK CLOSEOUT
A. Prepare the following items and submit to the Owner’s Representative before final acceptance.

1. Two copies of all test results as required under this Section.

2. Two copies of Local and/or State Code Enforcing Authority’s Final Inspection Certificates.

3. Copies of Record Drawings as required under the General Conditions, pertinent Division One Sections and Electrical General Provisions.

4. Two copies of all receipts transferring portable or detachable parts to the Owner’s Representative when requested.

5. Notify the Owner’s Representative in writing when installation is complete and that a final inspection of this work can be performed. In the event any defect or deficiencies are found during this final inspection they shall be corrected to the satisfaction of the Owner’s Representative before final acceptance can be issued.

6. Prior to energizing, retighten to the proper torque, each circuit conductor lug landing, each bus bar (phases, neutral and ground) and circuit protection device threaded connections in all switchboards, switchgear, motor control centers, transformers, busways, disconnect switches, motor starters, motor terminals and panelboards, after the equipment is installed/ connected and prior to energizing the equipment. The torque values shall comply with Manufacturer's recommendations.

B. Electrical Power Single Line Diagrams – SLD

1. Provide single line diagrams showing the Contract Document work complete electrical power system (normal and emergency). SLD shall show interconnection circuits, electrical equipment, panels, and circuit protection devices, nominal 50% (½-size) approximately 18-inches by 24-inches. Show installed voltages and electrical capacity sizes.

2. SLD shall be mounted in metal (picture frame) rigid enclosure frame with rigidbacking (backer-board) and clear/transparent front, for hanging on wall. Provide clear transparent cover over SLD inside the frame.

Provide a wall-hung (r48-inches) SLD in each “main” and “sub” electrical equipment room. If wall space is limited, alternatively securely attach SLD frame to room door facing into the respective electrical room.

3. END OF SECTION 260500
010423/535050
26 05 00 - 25 Electrical General Provisions
TP-883
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 05 01

BASIC ELECTRICAL MATERIALS AND METHODS
PART 1 - GENERAL

1.1 SCOPE
A. Work Included: All labor, materials, appliances, tools, equipment, facilities, transportation, and services necessary for and incidental to performing all operations in connection with furnishing, delivery, and installation of the work of this Section, complete as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Sections for work related to those other Sections and required to be included as work under this Section.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. Submit product data sheets for all outlet boxes, floor boxes, wiring devices, device plates, relays, contactors, timeswitches, and disconnects fuses.

B. Submit detailed Shop Drawings including Dimensioned Plans, elevations, details, schematic and point-to-point wiring diagrams and descriptive literature for all component parts for transformers, relays, time clocks and photocells.

C. Submit Transformer Test Reports.

D. Submit Material List for Outlet Boxes.

PART 2 - PRODUCTS

2.1 OUTLET AND JUNCTION BOXES
A. General:

1. Flush or concealed outlet boxes and junction boxes.
a. Non-masonry and/or non-concrete locations provide pressed steel boxes.

Steel thickness not less than 0.062-inch, hot-dip galvanized. Knockout (KO) type with conduit entrances and quantities size to match conduits shown connecting to respective junction box and outlet box.

UL-514 listed and labeled.

Minimum required box depth is exclusive of extension-ring depth.

Provide all boxes with matching cover plates. Cover plates shall be gasketed water-tight in wet and outdoor locations.

Boxes installed in masonry or concrete shall be UL "concrete-tight" approved for installation in concrete and shall allow the placing of conduit without displacing reinforcing bars.
b.
c.
d.
e.
26 05 01 - 1 Basic Electrical Materials and Methods
TP-884
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Provide outlet boxes of proper Code size for the number of wiring devices, connecting conduits, and conductors/cables or conduits passing through or terminating therein. In no case shall outlet box be less than 4.0-inches square by

2.125-inches deep. Unless specified elsewhere or noted otherwise on the Drawings, 2.5-inches minimum depth for box width’s exceeding 2-gang.

3. Increase the minimum outlet box size to 4.69-inches square by not less than

2.125-inches deep, where one or more of the following conditions occurs:
a.
b.

More than two conduits connect to the outlet box.

Circuit “Homerun” or Conduit “Homerun” connects to outlet box.

4. Signal, Communication and Low Voltage Outlet Boxes:
a. Individual or duplex audio/visual, telephone, computer or data outlets: 4.69- inches square by 2.125-inches deep minimum with single gang wide extension ring.

Combination AV/signal/telephone/data or computer outlets: 4.69-inches square by 2.125-inches deep minimum with 2-gang wide extension ring. b.

5. Junction boxes shall be sized to comply with the following:
a. Code Requirements size based on the conduit quantities, conduit sizes and wire-fill connected to the junction box.

Junction box minimum size shall not be less than 4.69-inches square by 2.5- inches deep, but not less than size indicated on the Drawings or required by Code.
b.

6. Provide extension rings on flush outlet boxes and flush junction boxes, to finish face of extension ring flush to (within ±0.63-inches) of finished building surfaces.

Extension ring shall match outlet box materials/ construction and contain "attachment mounting-tabs" for wiring devices. Extension rings shall be "screwattached" to respective box and maintain "ground" bonding continuity.

7. Outlet boxes installed in outdoor locations, or in wet locations, or in concrete/masonry, shall be cast-iron or cast-bronze, with threaded conduit hubs.

UL rated for wet locations.
a. Aluminum boxes shall NOT be in contact with concrete or masonry. Die-cast aluminum or cast aluminum water-tight electrical outlet boxes with threaded hubs may be provided as an alternate to cast-iron or cast-bronze outlet boxes, only where one or more of the following conditions occur:
1) Outdoor locations above finish grade.
2) Indoor wet locations surface or flush in walls or ceilings. 3) Not in contact with concrete or masonry.

8. Provide fixture-supporting device in outlet boxes for surface mounted fixtures as required.
26 05 01 - 2 Basic Electrical Materials and Methods
TP-885
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

9. Provide solid gang boxes for three or more devices, typical for line and low voltage switches, receptacles, low voltage/signal outlets, etc. for mounting devices behind a common device plate.

10. Provide isolation barriers in outlet boxes:
a.
b.

Between line voltage and low voltage devices.

Where more than one device is installed in an outlet box, between and separating each device.

Between 277-volt and 120-volt devices.

Between devices connected to emergency and non-emergency circuits of all voltages.
c.
d.

11. Outlet boxes installed penetrating into fire rated walls, fire rated floors, fire rated ceilings and all fire rated construction. The outlet boxes shall be UL listed, classified and labeled, for fire rated and temperature rated penetration of the respective fire rated surface and fire rated construction. The outlet box fire rating and temperature rating shall equal or exceed the fire/temperature rating of the surface/construction being penetrated. Provide UL listed and labeled supplemental fire and temperature protection to maintain ratings:
a. Wall and ceiling penetrations, supplemental tumescent fire wrap (external or internal of outlet box).
b. Floors provide subfloor supplemental fireproofing below floor box.

12. Outlet boxes installed in floors. The floor outlet boxes shall be UL listed and labeled for scrub water exclusion Requirements, including but not limited to tiles, carpeting and exposed wood and concrete floor fishes.

13. Outdoor flush in wall device outlet boxes:
a. Flush in wall outlet box with corrosion resistant gasketed watertight, hinged, key locking cast metal, self-closing cover. Tamper resistant and vandal resistant.

UL-listed and labeled for installation in masonry, cast-in-place concrete, hollow-framed walls and wet locations.

Flush cast-iron or cast-bronze or brass, device back-box, nominal 4.68-inch square by 2.25-inches deep.

Internal metal adapter plate for wiring device types, in the box as indicated on the Drawings.

As manufactured by Legrand/Pass and Seymour #4600 Series: or C.W. Cole #310 Series.
b.
c.
d.
e.

14. Refer to Architectural and Structural Contract Documents and Details for additional Box and Install Requirements.

B. Surface Outlet Boxes

1. Surface mounted outlet boxes, cast iron Type FS or FD, with threaded hubs as required. Box interior dimensions and interior volume capacity not less than 26 05 01 - 3 Basic Electrical Materials and Methods
TP-886
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
required for “press steel boxes”, and “sheet steel boxes”. Provide plugs in all unused openings. Provide weatherproof gaskets for all exterior boxes.

C. Floor Boxes

1. General:
a. Outlet boxes installed in floors. The floor outlet boxes shall be UL listed and labeled for Scrub Water Exclusion Requirements, including but not limited to floor tiles, carpeting and exposed wood and concrete floor fishes.

Electrical power receptacles in a floor box; shall be industrial grade wet location heavy-duty, high abuse rated devices, tamper resistant. Grounding type, 125 volts, 60Hz AC, 20-amp, NEMA 5-20R (duplex), or other NEMA configurations noted on the Drawings. Standard length receptacle mounting strap as required by the Manufacturer of floor box being furnished.

Tested, listed and labeled to comply with UL-514A and/or UL514C. b.
c.

2. Pedestal Type Floor Outlets (Non-Poke-Thru Type)
a. Power (high potential) floor outlets pedestal shall be nominal 3-inches by 3- inches high by 4.5-inches long, die cast aluminum brushed finish with duplex grounding type convenience receptacles. Pedestal shall be mounted on 3- inches nominal depth metal, electrical flush in floor box, complete with proper adapter and nipple for mounting to floor box and attachment of conduits.
1) Back-to-back, two 20-amp 120 volt, 60Hz AC grounding duplex convenience receptacles.
b. Low voltage-signal (low potential) floor outlets pedestal shall be nominal 3- inches by 3-inches high by 4.5-inches long, die cast aluminum brushed finish. Pedestal shall be mounted on flush in floor 3-inches nominal depth metal, electrical floor box, complete with proper nipple and adapter for mounting to floor box and attachment of conduits. The Contractor shall provide the type of outlet(s) at each floor box location as required by the Low Voltage-Signal Contract Documents.

The pedestal shall provide 0.25-inch or greater protective top-over-hang (drip-lip) shading the wiring device coverplates. Provide stainless steel device coverplates.

Metal electrical floor boxes for pedestals shall be cast-iron, concrete pour rated or open framing rated as applicable. Not less than two 0.75-inch and two 1.0-inch conduit entrances. “Box Leveling” adjustable supports.

Pedestal as manufactured by Hubbell LO-CON/SC Series pedestal with matching cast-iron floor boxes; or Wiremold/ Legrand series pedestal with matching cast-iron floor boxes.
c.
d.
e.

3. Poke-Thru floor boxes for “After-Set” Floor Outlets. a. Through floor wiring for power and communication shall be UL listed with a fire and temperature rating of not less than 2-hours. The units shall include an internally divided floor fitting; a divided through-floor conduit/raceway, and a divided under floor junction “split-box” not less than 4.7-inches by 4.7- 26 05 01 - 4 Basic Electrical Materials and Methods
TP-887
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
inches by 2.125-inches in size. Junction box shall be installed concealed in ceiling space of the floor below. The length of the floor “through-raceway” shall match the thickness of the finish floor and as recommended by the Manufacturer. Unit shall be self-supporting without the attachment of an above floor fitting. Internal isolation barriers between high potential and low potential circuits and sections. The integral fire barrier shall incorporate a cold smoke barrier to prevent the passage of smoke when heat is not present.

Poke-Thru Floor boxes shall contain dual services for high potential and low potential devices and circuits.

Poke-Thru Floor pedestal type; (internally divided high potential and low potential sections) service fittings die cast, brushed aluminum, single piece device housing, with stainless steel device cover plates front and rear of the housing as follows:
b.
c.
1) Front side (high potential) one 20-amp, 120 volt, 60Hz, AC, grounding duplex convenience outlet plugs.

Rear side (low potential) shall contain “knockouts” or “keystones” as follows at locations shown on the Drawings:
a) Knockouts for signal cables one 1-inch diameter and two 0.5-inch diameter with rubber bushing grommets for each knockout. b) Four RJ-45 keystone, snap-in retainers for low potential plug-in signal connections.
c) The Contractor shall provide the type of outlet(s) at each poke-thru location as required by the low voltage-signal Contract Documents.

Alternately where specifically indicated on the Drawings, the front and rear cover plates shall be supplied with knockouts for 1.0-inch flexible conduit “Furniture” connection, one per cover plate.

The pedestal shall provide 0.25-inch or greater protective over-hang (drip-lip) of the device coverplates. Provide stainless steel device coverplates.
2)
3)
4)
d. Non-Pedestal Poke-Thru flush in floor type; (internal divided high potential and low potential sections) die cast, flush with finish floor, metal cover flipopen, locking, hinged access covers. Open-close die cast aluminum portcovers for plug-in portable cable connections. ADA compliant, wide trim matching flange.
1) Two 20-amp, 120-volt, 60Hz, AC, grounding duplex convenience receptacles for high potential power connections.
2) Four RJ-45 keystone, snap-in retainers for low potential plug-in signal connections. The Contractor shall provide the type of outlet(s) at each poke-thru location as required by the Low Voltage-Signal Contract Documents.
3) Cover shall close and lock after portable plug-in cables have been inserted into respective connections, under the cover.
4) UL wet mop, scrub water rated for carpeted and non-carpeted floors. e. Die cast aluminum cover, nominal 8-inch diameter metal housing flush in “core-hole”, outlet metal body size.
26 05 01 - 5 Basic Electrical Materials and Methods
TP-888
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
f. Flush with floor or pedestal type as indicated on Drawings. As manufactured by Wiremold/Legrand# Evolution Poke-Thru 8AT Series, Smoke and Fire Rated Poke-Through fittings; no known equal.

4. Floor Boxes for Flush Floor Outlets (non-pedestal) recessed concealed inside outlet box, plug-in receptacles.
a. Provide cast-in-floor with concrete pour pan, rated for on grade to prevent direct earth contact, cast-in-place concrete floors on-grade and above-grade; adjustable "leveling-feet" for box.

UL wet mop, scrub water rated for carpeted and non-carpeted floors. ULFile E171211 installation fire rating and/or UL-Fire Resistance Classified.

Floor boxes shall contain dual services:
1) High potential with not less than two 120-volt 60Hz AC 20-amp grounding duplex convenience receptacles.
2) Low potential for low voltage system outlets and signal circuits with up to and including eight RJ-45 plug-in keystone snap-in retainer receptacles.

The Contractor shall provide the type of outlet(s) at each poke-thru location as required by the Low Voltage-Signal Contract Documents. 3) Internal isolating barrier between high and low potential circuits and sections of box.
4) Also refer to Drawings for Additional Outlet Requirements. b.
c.
d. Conduit knockouts in bottom of box and in each side walls of box. Not less than one 1.25-inch and one 0.75-inch knockouts for both low potential and high potential conduits connections on each opposing box sides. Include the same configuration of knockouts on the bottom of the box, for high potential section and low potential sections.
e. Floor box cover:
1) Flush tamper resistant "lock-down” removable main cover. Independent hinged "flip-out" port in the removable cover, to allow main box cover to be in a fully closed position with "plug-in" cords connected into box when the lock-down cover is closed. Main cover "lock-down" to prevent nonauthorized access into box interior. 2) Brass, removable recessed main cover, rated for carpet, or tile for floor finish, brass overlapping trim cover finish. Cover recess depth 0.25- inch, 0.5-inch or 0.75-inch as required to match respective floor covering thickness and type. ADA compliant, wide trim matching flange. f. Floor box with metal body, nominal box size 10-inches by 12-inches by depth to match floor, but not less than 3.0-inches deep box. g. Floor box as manufactured by FSR #FL-500P Series; no known equal.

2.2 PULLBOXES
A. General

1. Sizes as indicated on the Drawings and in no case of less size or material thickness than required by the Governing Code and AHJ.
26 05 01 - 6 Basic Electrical Materials and Methods
TP-889
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Exercise care in locating pullboxes to avoid installation in drain water flow areas and to clear existing condition interferences.

3. UL listed and labeled for electrical circuits.

B. General Purpose Sheet Metal Pullbox

1. General purpose sheet steel pullboxes: Install only in dry protected locations with removable screw attached covers. Manufacturer's standard rust proofing and baked enamel finishes.

2. Weatherproof sheet steel pull boxes: Fabricate of Code gauge steel. All surfaces interior and exterior hot-dip galvanized steel. Gasketed weather-tight cover of same material.

C. Concrete Pullboxes and Hand-Holes for Electrical

1. AASHTO H-20 traffic loading rated box and cover, pre-cast concrete, steel reinforced pullboxes and hand-holes. Provide complete with pulling irons, hot-dip galvanized metal traffic cover with hot-dip galvanized metal cover frame, pull-box concrete base with sump. Four cable full height wall racks with porcelain cable support blocks.

2. Boxes shall be “Intercept” type with multiple box sections. Extension cableintercepts at both ends of box. Refer to Drawings for box size.

3. Covers shall be flush bolt down. Covers weighing more than 40-pounds shall be split cover type “Torsion-Sping” assist, hinged open-close.

4. Box covers shall comply with Federal ADA, UL, State and Local AHJ for slip resistance. Provide cast-or-bead weld on cover of pull box to indicate services within pullbox (i.e., "480/277-VOLT, 3-PHASE, 4-WIRE ELECTRICAL" OR “SIGNAL/TEL/P.A./CLOCK/FIRE ALARM" etc.).

5. Shall be set on a machine-compacted pea gravel base 12-inches thick with gravel base extend 6-inches beyond box base on all sides. Provide a 0.75-inch by 10-feet copper clad ground rod through the box bottom with 9-inch projection into box, for grounding all metal parts and frames with continuous #10AWG copper bond wire.

6. Seal all box joints and seal box between cover and frame with a mastic compound similar to Parmagum or Dukseal. After cables have been pulled, connected, tested and inspected, seal box cover and bolt-close cover.

7. As manufactured by Jensen Precast, or Oldcastle Precast.

2.3 SWITCHES, WIRING DEVICES
A. General

1. Provide wiring device circuit switches totally enclosed, electrical insulating Bakelite or electrical insulating composition base, manual operator type with 277- 26 05 01 - 7 Basic Electrical Materials and Methods
TP-890
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
volt 60Hz AC rating for full capacity contacts rated for incandescent lamp loads, fluorescent lamp loads and motor loads. Switch mounting-ears for screw attachment to outlet box. Switches shall be UL listed and labeled; conform to NEMA-WD1 and WD6.

2. Switch controlling (on-off) rated for all lighting loads and all non-lighting loads; switch ratings shall be 20-amp, unless indicated otherwise on Drawings.

3. Color as selected by Owner’s Representative. Switches and wiring devices controlling circuits connected to emergency power shall be red.

4. All switches shall be of the same Manufacturer.

5. Where switches are mounted in multiple gang assembly and are operating at 277 volts and/or 277 volts and 120 volts or emergency/non-emergency and mounted in same outlet box, there shall be an insulating barrier installed between each switch.

6. Devices shall additionally be listed and labeled as UL-All Weather-Resistant wetlocation for the following install locations:
a.
b.
c.

Devices indicated on Drawings as Weather-Proof (W.P.).

Devices installed in outdoor locations
Installed in classified wet or damp area locations both indoor and outdoor.

7. Wiring devices shall be listed and labeled for connection of both “solid” and “stranded” copper circuit conductors.

8. Switches with ampere and voltage ratings different than described herein. The different rated switches shall have the same characteristics and performance as the respective described switches, except for differing ampere and voltage characteristics.

B. Switches Heavy Duty (Toggle – Type)

1. Single Pole Switches – 20-amp at 277V
Manufacturer
Hubbell
Legrand/P&S
Leviton
Cooper-Arrow/Hart
Toggle Type
#HBL1221
#20AC1
#1221
#AH1221
Lock Type
#HBL1221-L
#20AC1-L
#1221-L
#AH1221-L

2. Double Pole Switch – 20-amp at 277V
Manufacturer
Hubbell
Legrand/P&S
Leviton
Cooper-Arrow/Hart
Toggle Type
#HBL1222
#20AC2
#1222
#AH1222
Lock Type
#HBL1222-L
#20AC2-L
#1222-L
#AH1222-L

3. Three-Way Switches – 20-amp at 277V
Manufacturer
Hubbell
Toggle Type
#HBL1223
Lock Type
#HBL1223
26 05 01 - 8 Basic Electrical Materials and Methods
TP-891
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
Legrand/P&S
Leviton
Cooper-Arrow/Hart
#20AC3
#1223
#AH1223
#20AC3-L
#1223-L
#AH1223-L

4. Four-Way Switches – 20-amp at 277V
Manufacturer
Hubbell
Legrand/P&S
Leviton
Cooper-Arrow/Hart
Toggle Type
#HBL1224
#20AC4
#1224
#AH1224
Lock Type
#HBL1224-L
#20AC4-L
#1224-L
#AH1224-L

5. Momentary Contact Switches – 20-amp at 277V
Manufacturer
Hubbell
Legrand/P&S
Leviton
Cooper-Arrow/Hart
3-Position Regular
#HBL1557
#1251
#1251
#AH (extra)
3-Position Lock
#HBL1557-L
#1251-L
#1251-L
#AH (extra)

6. Maintained Contact Switches (Double Throw, Center Off) – 20-amp at 277-volt Toggle Type Lock Type
Manufacturer 2-Pole
Legrand/P&S
Hubbell
Leviton
CooperArrow/Hart
1-Pole
#1225
2-Pole
#1226
#HBL1386-L
#1386
#AH (extra)
1-Pole
#12250L #1226-L
#HBL1385 #HBLM1386-L
#1385
#AH
(extra)
#HBL1385-L
#AH (extra) #AH (extra)

7. Pilot lights used in conjunction with circuit switches shall be LED type with red jewel.

C. Weather-Proof (W.P.) Switches

1. Outdoor switches provide heavy-duty, tamper resistant gasketed weather- proof metal, hinged door cover for each switch.

2. Cover door shall be key locking-type or padlock-type.

D. Other Switches, Receptacles, Devices, and Outlets

1. Special devices outlets and outlet locations shall be as indicated on the Drawings. Modify device and outlet characteristics to accommodate the actual install location conditions for each outlet.

2.4 ELECTRIC RECEPTACLE WIRING DEVICES
A. General

1. All receptacle wiring devices in flush type outlet boxes shall be installed with a bonding jumper to connect the box to the receptacle ground terminal. Grounding through the receptacle mounting straps is not acceptable. The bonding jumper 26 05 01 - 9 Basic Electrical Materials and Methods
TP-892
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
shall be sized in accordance with the branch circuit protective device as tabulated herein under "Grounding". Bonding jumper shall be attached at each outlet to the back of the box using drilled and tapped holes and washer head screws 6-32 or larger (except isolated ground receptacles). For receptacles in surface mounted outlet boxes direct metal-to-metal contact between receptacle mounting strap (if it is connected to the grounding contacts) and outlet box may be used. Receptacle mounting-ears for screw attachment to outlet box.

Receptacle shall be UL listed and labeled; conform to NEMA-WD1 and WD6.

2. All receptacles shall be a product of the same Manufacturer.

3. Receptacle color as selected by Owner’s Representative. Receptacles connected to emergency power circuits shall be red.

4. Wiring devices shall be listed and labeled for connection of both “solid” and “stranded” copper circuit conductors.

5. Duplex convenience receptacles and 120-volt single phase branch circuits. a. Duplex (convenience) receptacle, wiring device with two single receptacles with the same electrical rating, integrated into a single assembly by the Manufacturer.
20-amp branch circuits with a single duplex convenience receptacle connection on each circuit, receptacles shall be rated for 20-amp. 15-amp and 20-amp branch circuits with two or more duplex convenience receptacle connections each circuit, receptacle shall be rated 15-amp or 20- amp.
b.
c.

6. Devices shall additionally be listed and labeled as UL-All Weather-Resistant, provide weather resistant receptacles for the following install locations. Modify Manufacturer’s Catalog number descriptions, shall include all-weather-resistant UL listing and labeling:
a.
b.
c.

Devices indicated on Drawings as Weather-Proof (W.P.).

Devices installed in outdoor locations.

Devices installed in classified as damp or wet locations both indoor and outdoor.
d. All GFCI (ground-fault) receptacles all locations.

7. Receptacles with ampere and voltage ratings different than described for duplex convenience receptacles. The different rated receptacles shall have the same characteristics and performance as the respective duplex convenience receptacles, except for differing ampere and voltage characteristics. Refer to “Floor Boxes” for additional Receptacle Requirements”.

8. Receptacles shall be GFCI type for the following locations:
a.
b.
c.
located within 84-inches of a sink or hosebib shall be GFCI receptacles.

Devices installed in outdoor locations.

Devices installed in classified as damp or wet locations both indoor and outdoor.
26 05 01 - 10 Basic Electrical Materials and Methods
TP-893
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
d. Devices indicated on Drawings as GFCI or Weather-Proof (W.P.). 9 “Split-Wire” duplex convenience receptacles. Each split-wire receptacle plug connects on independent common circuit. Provide nameplate or graphic on face of receptacle describing the receptacle function and control source. Comply with California Title-24 and ASHRAE-90.1, latest revisions.

B. Duplex Convenience Receptacles.

1. Shall be grounding type, 120 volt and shall have two current carrying contacts and one grounding contact which are internally connected to the frame. Outlet shall accommodate standard parallel blade cap and shall be side wired.

Receptacles shall be tamper-resistant–TR, UL-TR.

2. GFCI receptacles shall be all Weather-Resistant and wet location rated. Duplex rated 120-volt 60Hz AC, 20-amp, unless indicated otherwise on Drawings.

3. Heavy Duty Industrial Grade
Manufacturer
Legrand/P&S
Leviton
Hubbell
Cooper-Arrow/Hart
NEMA 5-15R
#5262
#5262
#CR5252
#AH5262
NEMA 5-20R
#5362
#5362
#5362
#AH5362
NEMA 5-20R-GFCI
#2095HG
#W7899
#GFR8300
#WRVGF20
C. Weatherproof (W.P.) Receptacle

1. Outdoor receptacles shall be duplex convenience GFCI type rated 20-amp 120- volt 60Hz AC weatherproof, GFCI, unless indicated otherwise on Drawings.

Test-reset buttons and visual pilot.

2. GFCI receptacles shall be wet location and Weather-Resistant rated weatherproof, gasketed, key locking tamper resistant, wet location.

3. Outdoor, flush mount outlet with hinged, key-locking, weather-proof cover (CEC/NEC – 406.8 compliant). As manufactured by: Pass and Seymour/ Legrand #4600 Series; or C.W. Cole #310 Series.

4. On exposed conduit runs, provide weatherproof ground fault circuit interrupter type GFCI receptacles installed in "FS" condulet watertight cast metal body, with weather-proof spring door type covers, gasket watertight. Door shall be key locking-type or padlock-type.

D. Other Switches, Receptacles, Devices, and Outlets.

1. Special devices, outlets and outlet locations shall be as indicated on the Drawings. Modify device and outlet characteristics to accommodate the actual install location conditions for each outlet.
26 05 01 - 11 Basic Electrical Materials and Methods
TP-894
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2.5 PLATES
A. Cover Plates for Devices

1. Provide cover plates for every line voltage and low voltage switch, receptacle, telephone, computer, television, signal and other device out-lets. a. All cover plates shall be nylon or thermoplastic, color as selected by Architect.

2. Plates shall be as manufactured by P&S; or Hubbell; or Leviton; or General Electric.

2.6 STRUCTURAL AND MISCELLANEOUS STEEL
Structural and miscellaneous steel used in connection with electrical work and located out-of-doors or in damp locations, shall be hot dip galvanized unless otherwise specified.

Included are underground pull box covers and similar electrical items. Galvanizing averages 2.0 ounce per square foot and conforms to ASTM A123.

2.7 FLASHING ASSEMBLIES
A. General

1. Flashing shall be compatible with the material being penetrated and with the pipe passing through the flashing. Coordinate with and comply with Manufacturer's recommendations, for both the flashing and the material being penetrated.

2. Provide lead metal flashing assemblies at all roof penetrations, unless recommended otherwise by Manufacturer.

3. Seal the joint between the flashing and pipe passing through the flashing with waterproofing compound.

4. Lead flashing for roof penetrations, as manufactured by: Santa Rosa Lead Products; or Semco; or Flashco.

B. Storm Collars

1. In addition to penetration flashing, provide a storm-collar counterflashing for each roof penetration flashing. Shall attach to the structure of the penetration and form a water-tight “Umbrella” counter flashing over the roof penetration flashing.

2. As manufactured by: STD-Storm collars; or ASI-Storm collars.

2.8 RELAYS, CONTACTORS, AND TIMESWITCHES
A. Individual Control Relays (HVAC Plumbing of the Control Functions)

1. Individual control relays shall have convertible contacts rated a minimum of 10- amp, 600-volt regardless of usage voltage. Coil voltage, number and type of contacts shall be verified and supplied to suit the specific usage as shown in the 26 05 01 - 12 Basic Electrical Materials and Methods
TP-895
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
wiring diagrams and/or schedules on the Electrical and Mechanical Drawings.

Coil control circuit shall be independently fused, sized to protect coil. Relays shall be installed on prefabricated mounting strips. Each relay shall have a surge suppressor to limit coil transient voltages. Furnished in the NEMA Type I enclosure unless indicated otherwise.

2. The following relays are approved:

Manufacturer
Cooper-Arrow/Hart
General Electric
Square D Co.

Westinghouse
Allen Bradley
Type
IMP
Class CR 2811
Class 8501, Type A
Bul. 16-321, Type NH
Approved Equal
B. Contactors and/or Relays

1. Contactors and/or relays for control of lighting shall be 600-volt AC, electrically operated, mechanically held units, open type for panel mounting with number of poles and of size as indicated on the Drawings. Provide auxiliary control relay for operation of each contactor and/or relay with a 2-wire control circuit.

2. Contactors and/or relays shall be mounted in panelboards in barriered section under separate hinged lockable doors or in contactor and/or relay cabinets as called for on the Drawings. Contactors and/or relays shall be installed on Lord sound absorbing rubber mounts.

3. Contactors and/or relays shall be Automatic Switch Co. Bulletin #920 Series for 2-pole and 3-pole, Automatic Switch Co. Bulletin 917 Series with poles as indicated on Drawings. Coil control circuit shall be independently fused, sized to protect coil.

4. Contactors and/or relays shall be equipped with a switch, in the proper configuration, to disconnect the control circuit controlling the coil of the respective device. Control circuit disconnect switch shall be labeled showing function of device.

C. Time-switches

1. All timeswitches shall have synchronous motor drive for operation on 120 or 277- volt, 60Hz, AC and shall be furnished with a 10-hour, spring-driven, reservepower motor. Contacts shall be rated 40-amp per pole. a. Exterior lighting timeswitches for control of individual circuits or electrically operated relays shall have astronomic dial and shall be Tork 7000ZL Series or approved equal by Paragon or Intermatic.

Interior lighting timeswitches for control of individual circuits or electrically operated relays shall be Tork 7000 Series or approved equal by Paragon or Intermatic.
b.
26 05 01 - 13 Basic Electrical Materials and Methods
TP-896
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
c. Timeswitches for control of air conditioning or plumbing equipment shall have 7-day dial and shall be Tork WL Series or approved equal by Paragon or Intermatic.

2. All timeswitches shall be mounted in separate section in top of panelboards under separate lockable door unless otherwise indicated on Drawings. Clear opening for time-switch shall be a minimum of 12-inches by 12-inches.

D. Contactors and/or Relays/Time-switch Cabinet

1. Contactors, relays, and/or timeswitches not indicated to be mounted in electrical panels shall be mounted in a cabinet, size as required, with hinged lockable door keyed same as panelboards. Construction of cabinet shall be similar to terminal cabinets.

2. Each contactor, relay or time-switch mounted in the contactor cabinet shall be barriered in its own compartment and shall be installed on Lord sound absorbing mounts.

3. Contactor cabinets shall be of the same Manufacturer as the panelboards.

4. Where relays and/or contactors occupy the same enclosure as time-switches they shall have a clear acrylic shield installed over each relay or contactor to guard line exposed parts from accidental contact by nonauthorized personnel.

2.9 DISCONNECTS (SAFETY SWITCHES)
A. General

1. Disconnect switches shall all be rated:
a.
b.
c.
600-volt 60Hz AC for all disconnect safety switches.

NEMA Type HD, quick-make, quick-break, H.P.-rated.

Fused Class "R", in NEMA Type I indoor location enclosure. Where enclosure is indicated outdoor or W.P. (Weather-Proof) switches shall be rain tight NEMA 3R enclosure. Lockable access door.

Number of poles horsepower rating and amperage as indicated on the Drawings.
d.

2. Provide internal neutral bus, ground-lug and conductor landing lugs, size to match conductors shown on Drawings. Switch access door shall be interlocked with switch to prevent access inside switch when switch is “ON” closed position.

3. Maximum voltage, current and horsepower rating clearly marked on the switch enclosure and switches having dual element fuses shall have rating indicated on the nameplate.

4. Disconnect switch and fuses ampere rating shall also comply with Manufacturer’s recommendation for the connected load.
26 05 01 - 14 Basic Electrical Materials and Methods
TP-897
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2.10 TRANSFORMERS (600 VOLTS AND BELOW)
A. General

1. Provide dry type transformers constructed to meet Underwriters' Laboratories Specification UL 506 and tested in accordance with ANSI and NEMA Standards.

Performance on transformers equal to or better than ANSI, NEMA, IEEE and CEC/NEC published criteria.
a. 60Hz AC line and load.

UL Class 220qC insulation with maximum winding temperature rise of 150qC in 40qC ambient at 100% continuous rated capacity with overload capacity per ANSI C57.12 and C57.96 vacuum impregnated core and coil insulation.

2. 3. Transformers shall be equipped with not less than a total of five 2.5% full capacity voltage taps; two taps above normal voltage; and three taps below normal voltage.

4. Line and load terminals shall be accessible, located behind removable front cover plate. Transformer connects shall terminate in “Conductor-Lugs” to match line side incoming and outgoing secondary side conductors, shall occur on a common (same) side of transformer on insulated supports.

5. Provide wall mount and ceiling mount transformers support brackets, platforms and attachment structures for transformers.

6. Dry type transformers shall meet or exceed NEMA TP-1 (latest revision), Class-1 efficiency levels. Shall be marked as energy efficient for United States Department of Energy and Environmental Protection Agency DOE/ EPA “Energy Star” complaint.

7. Transformer windings shall be copper or aluminum.

8. Electrostatic Shield: Provide full width, copper, 100% electrostatic shield (Faraday Shield), between line and load transformer windings, on each transformer phase. Shield shall be low impedance grounded to the transformer metal frame and shall attenuate common mode electrical noise 120dB at 1- 500MHz range and transverse mode electrical noise, 30dB at 1-500MHz range.

Average effective coupling capacitance of thirty picofarads between line and load sides.

9. Connect transformers by one of the following methods:
a. Underfloor conduit resulting in no rigid connections to transformer (provide ground strap for equipment ground).

Liquid tight flexible metal conduit (provide ground wire for equipment ground).

Pullbox or wireways from transformer which are isolated from transformer with an approved sound absorbing neoprene gasket (provide ground strap for equipment ground).
b.
c.
26 05 01 - 15 Basic Electrical Materials and Methods
TP-898
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

10. The physical dimensions of the transformer shall not exceed the size shown on the Drawings.

11. Transformer and transformer mounting shall be designed and tested and comply with install location seismic earthquake resistance seismic loads, typical for floor, wall and ceiling mount/suspended transformers. Bolt floor-mounted transformers to floor and mounting brackets or wall/ceiling brackets as applicable. Provide seismic rated isolation rubber mounts, on each attachment contact location.

B. Test Requirements:

1. The transformers shall be subjected to the following production tests:
a.
b.
c.
d.
e.
f.

Applied Potential
Induced Potential
No Load Loss.

Voltage Ratio.

Polarity
Continuity

2. The Manufacturer shall have performed the following additional tests on transformer units identical to the design type being supplied to this Specification.

Proof of performance of these tests in the form of test data sheets shall be provided at the Time Shop Drawings are submitted for approval. a.
b.
c.
d.
e.

Sound Levels
Temperature
Full Load and 50% Load Losses for linear and nonlinear loads Voltage Regulation
Impedance
C. Transformer Housing

1. Metal, air cooled enclosure
a.
b.

Removable metal NEMA 1 enclosure, indoor location
Removable NEMA – 3R enclosures, outdoor locations, with vent shields and rodent shields.

Provide screen protected ventilation for all openings, including bottom of housing, to prevent accidental contact with internal components and prevent rodent/insect entrance.
c.

2. Manufacture’s rust inhibitor primer and standard finish paint.

3. Removable lifting and skidding provisions.

4. Provide wall mount and ceiling mount transformers support brackets, platforms and attachment structures for transformers.
26 05 01 - 16 Basic Electrical Materials and Methods
TP-899
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
D. Sound Levels: Transformer sound levels, between no load to full load, shall be guaranteed by the Manufacturer not to exceed the following values:
9kVA and below
10kVA to 50kVA
51kVA to 150kVA
151kVA to 300kVA
301kVA to 500kVA
40dBa
45dBa
50dBa
55dBa
60dBa

2.11 CONCRETE WORK (ADDITIONAL REQUIREMENTS)
A. Portland Cement

1. ASTM C33- (latest revision), Type II, Low Alkali Cement. Composed of Portland cement, coarse aggregate, fine aggregate, and water.
a. Concrete for use as electrical equipment footings, lighting pole bases and equipment slabs on grade, concrete shall attain minimum 28-day compressive strength of 4000psi, using not less than 5.75 sacks of cement per cubic yard of wet concrete.

Concrete for underground duct/conduit encasement, the minimum 28-day compressive strength shall be 2000psi. Provide a minimum of 10-pounds of red oxide concrete coloring per yard of concrete.

Mix shall obtain a 6-inches slump, measured with standard slump cone per ASTM C143/C143M (latest revision).
b.
c.

2. Coarse Aggregate: Uniformly graded between maximum size not over 1½-inch and not less than 0.75-inch and minimum Size #4, crushed rock or washed gravel. For concrete encased conduit only, maximum aggregate size shall be ½- inch.

3. Fine Aggregate: Clean, natural washed sand of hard and durable particles varying from fine to particles passing ⅜-inch screen, of which at least 12% shall pass fifty mesh screens.

B. Water: Clean and free from deleterious quantities of acids, alkalis, salts, or organic materials.

C. Reinforcement

1. Bars: Intermediate Grade Steel conforming to ASTM A615/A615M grade 60, with pattern deformations.

2. Welded Wire Fabric: ASTM A185/A185M.

3. Bending: Conform to Requirements of ACI 318.

D. Form Material: For exposed work, use PS 1-66 "B-B Concrete Form" plywood forms, or equal. Elsewhere, forms may be plywood, metal, or 1-inch by 6-inch boards.

Forms for round lighting pole bases shall be Sono-tube. 26 05 01 - 17 Basic Electrical Materials and Methods
TP-900
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2.12 WIREWAY
A. General:

1. Unobstructed lay in type, metal wireway, fittings and connectors UL listed for use as wireway and auxiliary gutter. Length, elbows and "T-S" as shown on Drawings. Minimum cross-section size 4-inches by 4-inches, but not less than shown on the Drawings. Suitable for mounting in any position orientation.

B. Construction:

1. Minimum metal gauge shall not be less than 14-gage.

2. Cover shall be hinged entire length of cover. Cover shall be held in the closed position with bolts and nuts.

3. Provide spring nuts on all hardware fastener penetrations into the interior of the wireway to protect against wire insulation damage.

4. The inside of 90-degree corners in the wireway shall be a 45-degree bevel.

5. Grounding continuity between wireway sections and fittings shall be continuous the entire length of the wireway.

C. Finish:

1. Indoor non-raintight, rust inhibitor phosphatizing base coating and baked enamel finish, Manufacturer's standard color.

2. Raintight outdoor-galvanized metal, with corrosion resistant phosphate primer and baked enamel finish, Manufacturer's standard color, NEMA 3R construction.

3. All hardware shall be plated to prevent corrosion.

PART 3 - EXECUTION

3.1 GROUNDING (ADDITIONAL REQUIREMENTS)
A. Grounding shall be executed in accordance with all applicable Codes and Regulations, both State of California and Local Authorities Having Jurisdiction.

B. The Neutral of each Transformer and each Uninterruptable Power Supply - UPS and each inverter shall be grounded by individual separate ground conductors in individual conduits as follows:

1. Conductor and conduit shall be grounded to building main ground bus.

2. Conductor and conduit shall be grounded to respective room/closet ground bus, where occurs.
26 05 01 - 18 Basic Electrical Materials and Methods
TP-901
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3. Conductor and conduit shall be grounded to nearest available effectively grounded building structural steel member or grounded metal cold water pipe.

4. The neutral ground conductors for secondary side of each transformer each, inverter and each UPS unit shall be copper and shall be sized according to the following table:

Secondary Total Equivalent
Size Copper
#2 or smaller
1 or 1/0
2/0 or 3/0
4/0 thru 350 MCM
Over 350 MCM thru 600 MCM
Over 600 MCM thru 1100 MCM
Over 1100 MCM
Neutral Ground Wire
Size Copper
#6-1-inch conduit
#4-1-inch conduit
#2-1¼-inch conduit
#1-1¼-inch conduit
2/0-1½-inch conduit
3/0-1½-inch conduit
4/0-2-inch conduit
C. Each pullbox or any other enclosure in which several ground wires are terminated shall be equipped with a ground bus secured to the interior of the enclosure. The bus shall have a separate lug for each ground conductor. No more than one conductor shall be installed per lug.

D. The Maximum Resistance to Ground shall not exceed 5 ohms.

3.2 OUTLET AND JUNCTION BOXES
A. General:

1. Accurately place boxes and securely fastens to structural members. Where outlets are shown at same location but at different mounting heights, install outlets in one vertical line. Where outlets are shown at same location and mounting height, mount outlets as close together in a horizontal row as possible.

Where the outlet boxes for switches and receptacles are shown at the same location and mounting height, mount in common outlet box with barriers between devices. Provide single piece multi-gang cover plate for close mounted outlet boxes. Where switches are shown on wall adjacent to hinge side of doors, box shall be installed to clear door when door is fully opened.

2. Flush mounted boxes shall be attached to not less than two parallel studs or structure members by means of metal supports. The supports shall span between and attach to the structure members.

3. Boxes above accessible ceilings shall be attached to structural members. Where boxes are suspended, they shall be supported independently of conduit system by means of hanger rods and/or preformed steel channels. Boxes shall be supported independently of all piping, ductwork, equipment, ceiling hanger wires and suspended ceiling grid system.

4. Surface mounted outlets shall be attached to concrete or masonry walls by means of expansion shields.
26 05 01 - 19 Basic Electrical Materials and Methods
TP-902
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

5. Floor boxes shall be installed level with finish floor and within adjustable limits of floor ring. Where outlets are shown at same or adjacent location, use multi-gang boxes.
a. Provide cut-outs in the sub-floor assembly, to accept the recess depth of each electrical floor box. Provide added “fire-proof” applications on the bottom of each floor box location extending through the sub-floor. The “fireproof” application shall be equal to the floor fire-assembly withstand rating.

Poke-thru floor outlets, core drill floor for installation of poke-thru. Install “split-box” in the ceiling space of the floor below. If the ceiling space of the floor below is not accessible ceiling type (lift-out), then provide 12-inches round removable fire-rated stainless steel access panel and trim-ring in the finish ceiling for hand-access to poke-thru “split-box” above the ceiling. b.

6. Outlet Box Horizontal and Vertical Separation: Outlet boxes and device outlet rings installed flush in walls shall be horizontally and vertically separated by not less than 24-inches (edge of box to edge of box) from device outlet boxes and rings in common wall surfaces located on the opposite (back) side of the same wall.
a. Where the separation cannot be maintained, provide a solid backing behind and completely enclosing each outlet box.

The backing shall extend the width of the wall cavity (i.e., between "studs" or masonry cells) behind the box and 12-inches above and below the outlet box centerline, completely enclosing the outlet box.

The backing shall consist of the following:
1) ⅝-inch thick gypsum board anchored in place for "Stud" wall construction.
2) Solid "Mortar" to completely fill the outlet box "Cell" behind the box in masonry construction.
b.
c.

7. Provide metal outlet box for each device. Install devices in metal outlet boxes.

Typical for all wiring devices including, switches, receptacles, line voltage devices, and low voltage/signal system devices.

B. Fire Wrap:

1. In fire rated walls and ceilings provide fire rated "Box-Wrap" around the outside of each outlet box placed in fire rated wall or ceiling. Install the fire wrap on exterior of box inside the wall or ceiling, to maintain the fire rating of wall or ceiling with the installed outlet boxes.

3.3 SWITCHES AND RECEPTACLES-DEVICES
A. General

1. Provide outlet boxes for all devices, switches, receptacles, both line-voltage and low-voltage.

2. Devices installed in wireways shall be installed flush in wireway assembly. 26 05 01 - 20 Basic Electrical Materials and Methods
TP-903
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3. Install and screw attach devices into outlet boxes and wireways.

4. Provide ground circuit connections to all devices.

5. Provide branch circuit connections to all devices.

6. Provide testing and commissioning for proper operation and phase/ground connectors.
a. Test each GFCI devices and Arc-Fault devices after installation and circuit connection is complete.

Test all devices for correct polarity and proper electrical energization.

Test On-Off operation of automatically controlled outlets and receptacles. b.
c.

7. Install and adjust all coverplates to be flush and level, with correct device and circuit identification.

8. Were one or more devices occurring at the proximity with other similar devices, all the devices shall be “Granged” under one common coverplate as follows:
a. Duplex convenience receptacles with other proximity (within 18-inches) duplex convenience receptacles.

Lighting control switches not exceeding 20-amp switch rating with other proximity (within 18-inches) similar switches.
b.

B. Line-Voltage Plug-In Type Receptacle Installation Orientation:

1. The “Ground-Pin” shall face “UP” at the receptacle top location (double duplex) 4-plex, individual and vertically mounted individual duplex receptacles.

2. The “Neutral-Blade” shall face “UP” at the receptacle top location on horizontally mounted duplex receptacles.

3.4 CONCRETE WORK
A. Form:

1. Space forms properly with spreaders and securely tie together. Do not use twisted wire form ties. Keep forms wet to prevent joints from opening up before concrete is placed. Replace improper construction as directed. Do not use wood inside forms.

2. Build in and set all anchors, dowels, bolts, sleeves, iron frames, expansion joints and other materials required for the Electrical Work. Place all items carefully, true, straight, plumb, and even.

3. Carefully remove all exposed forms. Cut nails and tie wires below face of concrete and fill all holes. Rubbish will not be allowed to remain in, under, or around concrete.

B. Mixing: Use batch machine mixer of approved type. After ingredients are in mixer, mix for at least 1½-minutes.
26 05 01 - 21 Basic Electrical Materials and Methods
TP-904
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
C. Transit Mixing: In lieu of mixing at site, transit mixing may be used if rate of delivery, haul time, mixing time, and hopper capacity is such that concrete delivered will be placed in forms within 90-minutes from time of introduction of cement and water to mixer.

D. Placing of Concrete

1. Before placing concrete, remove wood, rubbish, vegetable matter and loose material from inside forms. Thoroughly wet down wood forms to close joints.

2. Clean reinforcement; remove paint, loose rust, scale and foreign material. Bars with bends not called for will be rejected. Hold securely in place to prevent displacement. Lap bar splices 24-diameters, min; lap fabric one mesh min. Tie intersections, corners, splices with 16-gallon annealed wire, or as otherwise called for.

3. Place concrete immediately after mixing. Do not use concrete that has begun to set; no tempering will be allowed. If chuting is used, avoid segregation. In placing new concrete against existing concrete, use bonding agent per Manufacturer's directions.

4. Give careful and thorough attention to curing of concrete. Keep concrete and forms wet for a minimum of 10-days, after placing concrete.

E. Concrete Finish

1. Finish of Exposed Concrete: Horizontal surfaces, steel troweled monolithic finish; vertical surfaces, smooth and free of fins, holes, projection, etc.

2. Exposed lighting pole bases shall be filled, and sack finished to a smooth finish.

3. Remove concrete pour-forms.

3.5 WIREWAY INSTALLATION
Wireway hangers shall provide clamp type, hanger rod type, direct bolted bracket type from ceiling or walls as indicated on the Drawings and required for field installation locations. Supports shall be installed a minimum of 5-feet on center.

END OF SECTION 26 05 01
010423/535050
26 05 01 - 22 Basic Electrical Materials and Methods
TP-905
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 05 30

CONDUIT AND WIRE
PART 1 - GENERAL

1.1 SCOPE
A. Work Included: All labor, materials, appliances, tools, equipment, facilities, transportation, and services necessary for and incidental to performing all operations in connection with furnishing, delivery, and installation of the work of this Section, complete as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Sections for work related to those other Sections and required to be included as work under this Section.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. Submit product data sheets for all wire, supports, conduit, raceways, ground rods, fittings, and splicing materials.

B. Submit material list for all conduit and conduit fittings.

C. Submit Details and Structural Engineer (PE) Calculations for conduit support systems.

PART 2 - PRODUCTS

2.1 CONDUIT
A. General

1. The interior surfaces of conduits and fittings shall be continuous and smooth, with a constant interior diameter. Conduits and conduit fittings shall provide conductor raceways of fully enclosed circular cross section. The interior surfaces of conduits and fittings shall be without ridges, burrs irregularities or obstructions.

Conduits and fittings of the same type shall be of the same uniform weight and thickness.

2. Type of conduit, type of conduit fittings and conduit supports shall be suitable for the conditions of use and the conditions of location of installation, based on the Manufacturer’s recommendations and based on applicable Codes.

3. All fittings for metal conduit shall be suitable for use as a grounding means, pursuant to the applicable Code Requirements. All metal conduit and metal conduit fittings shall provide 3-second duration ground fault current carrying ratings, when installed and connected to the respective conduit, as follows:
26 05 30 - 1 Conduit and Wire
TP-906
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
a. RMC and EMT conduit fittings.
1) 0.5-inch through 1.5-inch conduit/fitting size - 10,000-amp RMS. 2) 2.0-inches and larger conduit/fitting size - 20,000-amp RMS. b. FMC and LTFMC Conduit Fittings
1) 0.5-inch through 1.25-inch conduit/fitting size - 1,000-amp RMS (without external bonding jumper).
2) 1.5-inch through 4.0-inch fitting size - 10,000-amp RMS with bonding jumper.

4. Protective corrosion resistant finish for metal conduit fabricated from steel and metal conduit fittings fabricated from steel, shall be as follows:
a. Clean all metal surfaces (including metal threads) with acid bath “Pickle” prior to coating, to remove dirt, oil and prepare surfaces for galvanizing.

Hot-dip galvanized zinc coating on all interior and exterior steel surfaces.

Minimum finish zinc coating thickness shall not be less than 0.002 inches.

Threads shall be hot-dip zinc coated after machine fabrication.

Exterior metal surfaces shall be finished with clear organic polymer topcoat layer, after galvanizing.

The inner metal surfaces of conduit fittings shall be finished with a lubricating topcoat after galvanizing, to facilitate conductor pulling through the conduit/fitting.
b.
c.
d.
e.

5. Threads for metal conduit and metal conduit fittings shall be taper-pipe-thread, National Pipe Standards (NPS) and shall comply with ANSI-B1.20.1.

6. Metal conduit termination connector fittings shall be provided with a Manufacturer installed, insulating throat bushing inside the fitting. The bushing shall protect the wire conductor insulation from cutting, nicks and abrasion during conductor installation and electrical load “Cycling” after installation is complete. The bushing shall comply with UL 94V-0 flammability.

7. Provide conduit bonding/grounding jumper from metal enclosures with “Concentric Ring” knockouts, to positively ground/bond each respective conduit(s) to the metal enclosure.

8. Metal conduit fittings connecting to PVC coated metal conduit shall be PVC coated to match the conduit.

9. The conduit and fittings shall be watertight and airtight without cracks and pinholes.

B. Rigid Metal Conduit (RMC)

1. Rigid metal, round tubing, machine threaded at both ends. a. The conduit and conduit fittings shall comply with the Requirements for an equipment grounding conductor, pursuant to applicable Codes. 26 05 30 - 2 Conduit and Wire
TP-907
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. RMC raceway types shall be as follows:
a. Rigid Galvanized Steel conduit (RGS), minimum yield strength shall be 35,000 PSI. Shall comply with NEMA Standard 5-19 (latest revision); ANSI C80.1 and ANSI-C80.4 (latest revision); UL 514-B and UL 6 (latest revisions); National Pipe Standard Specification (latest revision).

Intermediate steel conduit (IMC). Shall comply with NEMA Standard 5-19 (latest revision) ANSI-C80.6 (latest revision); UL 2142 (latest revision). b.

3. RMC fittings:
a.
b.
c.

Fittings shall be compatible with RGS and IMC.

Fittings shall be rated “Liquid Tight”.

Fittings imbedded in concrete shall be rated “Liquid Tight” and “concrete tight”.

Connectors and couplings for terminating, connecting and coupling to RMC conduit shall be threaded metal.

Fittings shall comply with ANSI C80.4 and ANSI C33-84 (latest revision); NEMA FB1 (latest revision); UL 514 (latest revision).

Conduit seal fittings:
d.
e.
f.
1) Conduit seals shall prevent the passage of gasses, liquids and vapors past the location of the seal installation in the conduit.

Conduit seals shall be suitable for installation in both vertical and horizontal conduit locations.

Conduit seals shall be visible and accessible for inspection after installation is complete.

Conduit seals shall be rated for the following locations:
a) Wet locations
b) Classified hazardous location materials NEC Class 1 Division 1. 2)
3)
4)
c) Temperature ranges from minus 20 degrees centigrade through plus 90 degrees centigrade.
5) Conduit seals, sealing compound and sealing compound “dam” shall be the products of the same Manufacturer.

4. RMC fittings as manufactured by:
a. For threaded enclosure, termination connection.
1) Thomas & Betts - 106 Series bonding locknut, 5302 Series sealing ring with stainless steel retainer.
b. For non-threaded enclosure, termination connector.
1) Thomas & Betts - 370 Series watertight threaded sealing hub, 106 Series threaded bonding lock nut, Sta-Con Series enclosure bonding jumper and 3870 Series threaded ground bushing.
2) Emerson-OZ/Gedney-CHMT/CHT watertight threaded hub with bonding locknut and GH50G Series enclosure bonding jumper.
26 05 30 - 3 Conduit and Wire
TP-908
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
c. For RMC-to-RMC conduit-to-conduit coupling
1) Thomas & Betts/Erickson - 674 (threaded) Series
2) Emerson-OZ/Gedney Type TPC (threaded) Series
3) Threaded RMC conduit couplings, product of the same Manufacturer as the RMC conduit.
d. For RMC Conduit Seals
1) Emerson-OZ/Gedney-EYA and EYAM (threaded) Series
2) Appleton-EYF and EYM (threaded) Series
C. Electrical Metallic Tubing (EMT)

1. Rigid metal round tubing, “Thin Wall” steel construction, with non-threaded ends. a. The conduit and conduit fittings shall comply with the Requirements for an equipment grounding conductor pursuant to applicable Codes. b. The conduit shall be watertight and airtight without cracks and pinholes.

2. EMT shall be allowed for conduit size ranges from 0.5-inch through 4.0-inches.

3. Comply with ANSI C80.3, C80.4, and ANSI C33.98 (latest revisions); UL 594 and UL 797 (latest revisions); CEC Section 12500 (latest revision).

4. EMT fittings:
a. Connectors and couplings for terminating, connecting and coupling to EMT conduit shall be non-threaded steel fabrication.

EMT termination connector fittings shall be as follows:
1) Set screw type “Concrete Tight” when installed in dry interior locations. 2) Compression types “Rain Tight” and “Concrete Tight” when installed in wet or damp locations, outdoors and in concrete or masonry construction.
b.
c. Fittings shall comply with ANSI C33.84 (latest revision); UL 514 (latest revision); NEMA FB-1.

5. EMT fittings as manufactured by:
a. For threaded and non-threaded enclosure, termination connector 1)
2)
3)
4)
5)
Thomas & Betts-TC721A (set screw type) Series (with locknuts).

Emerson-OZ/Gedney-TC500I (set screw type) Series (with locknuts).

Thomas & Betts-5123 (compression type) Series (with two locknuts).

Emerson-OZ/Gedney-TC600I (compression type) Series (with locknut).

Thomas & Betts-4240 (compression type) Series (90-degree angle with locknut).

Emerson-OZ/Gedney-TWL (compression type) Series (90-degree angle with locknut).
6)
26 05 30 - 4 Conduit and Wire
TP-909
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. For EMT-to-EMT conduit-to-conduit coupling:
1) Thomas & Betts-TK121A (set screw type) Series (with locknut). 2) Emerson-OZ/Gedney-5000 (set screw type) Series (with locknut). 3) Thomas & Betts-5120 (compression type) Series.
4) Emerson-OZ/Gedney-TC600 (compression type) Series.
c. For EMT to RMC conduit to conduit combination coupling:
1) Thomas & Betts-HT221 (set screw type) Series.
2) Emerson-OZ/Gedney-ESR (set screw type) Series.
3) Thomas & Betts-530 (compression type) Series.
4) Emerson-OZ/Gedney-ETR (compression type) Series.

D. Flexible Metal Conduit (FMC)

1. Round flexible conduit, fabricated from a single continuous steel strip. The steel shall be factory formed into continuous interlocking convolutions to form a complete lock between steel strips and provide raceway flexibility.

2. Metal to metal grounding contact shall be maintained throughout the length of the FMC conduit.

3. FMC shall be allowed for conduit size ranges from 0.5 inch through 4.0-inches.

4. FMC shall comply with ANSI-C.33.84 and ANSI C33.92; NEMA FB-1; CEC 12- 1100.

5. FMC Fittings
a.
b.

FMC fittings shall be malleable iron construction or steel construction.

Fitting shall automatically cause the FMC raceway throat opening to be centered with respect to the fitting throat opening.

Straight and angled connector termination fittings shall be threaded on one end and shall include a threaded locknut, suitable for connection to threaded and unthreaded enclosures.

The attachment of the fittings to FMC shall be angled saddle type, to engage and interlock with the FMC spiral groove, and shall be unaffected by vibration. Direct bearing screw type fittings shall not be used.

Direct FMC conduit-to-FMC conduit coupling of FMC shall not be permitted.

Shall comply with ANSI C33.9, and ANSI C33.92 (latest revision); NEMA FB1 (latest revision); UL 514.
c.
d.
e.
f.

6. FMC fittings as manufactured by:
a. Straight Termination Connectors
Thomas & Betts - 3110 Series (with locknut)
45- and 90-Degree Angle Connectors
Thomas & Betts - 3130 Series (with locknut)
b. FMC to EMT conduit combination coupling:

Thomas & Betts 503TB Series.
26 05 30 - 5 Conduit and Wire
TP-910
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
E. Liquid Tight Flexible Metal Conduit (LTFMC)

1. The metal conduit core of LTFMC shall comply with the same Requirements as FMC conduit, with the addition of a thermoplastic exterior flexible jacket over the metal core.

2. The exterior jacket shall be positively locked to the metal core to prevent jacket “sleeving”.

3. The LTFMC shall be rated for installation and operating service temperatures of between minus 20-degrees centigrade through plus 90-degrees centigrade.

4. The LTFMC jacket shall be suitable for continuous exposure to sunlight, rainwater, water vapor, mineral oils and liquid solvents, without penetrating into the conduit and without deteriorating the jacket.

5. LTFMC sizes from 0.5-inch through 1.25-inches shall include an additional internal ground conductor, fabricated by the Manufacturer, as an integral part of the conduit core.

6. Direct LTFMC conduit-to-LTFMC conduit coupling of LTFMC shall not be permitted.

7. LTFMC shall be allowed for conduit size ranges from 0.5-inch through 4.0- inches.

8. In addition to the Requirements for FMC conduit, LTFMC shall also comply with ANSI C-33.84 (latest revision); NEMA-FB1 (latest revision); CEC 12-1400 (latest revision).

9. LTFMC fittings
a.
b.

Fittings shall include an external mechanical ground/bond wire connector.

The attachment of the fitting to LTFMC shall be threaded compression type onto the conduit core with locknut and liquid tight jacket compression seal.

The fitting shall automatically prevent “Sleeving” of the jacket.

Straight and angled termination connector fittings shall be threaded on one end and shall include locknut suitable for connection to threaded and unthreaded enclosures.
c.

10. LTFMC fittings as manufactured by:
a. Termination connector fittings:

Straight
1) Thomas & Betts - 5331 GR Series.
2) Appleton-STB Series; STN-L Series for use with preformed “knockouts” 3) Emerson- OZ/Gedney - 4Q Series.
45- and 90-Degree Angle Connectors
1) Thomas & Betts - 5341GR and 5351GR Series.
26 05 30 - 6 Conduit and Wire
TP-911
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
2) Appleton-STB-L Series; STN-L Series for use with preformed “knockouts”.
3) Emerson-OZ/Gedney-4Q Series
b. LTFMC to RMC conduit to conduit combination coupling fittings:
1) Thomas & Betts-5271 GR Series.
2) Emerson-OZ/Gedney-4Q Series
F. Rigid Non-Metallic Conduit (RNMC)

1. General
a. Fabricated from homogeneous material, free from visible cracks, holes or foreign inclusions, with integral “End-Bell”. The conduit and conduit fittings shall be watertight and airtight.

Conduit, conduit fittings and conduit fitting assembly “Solvent Cement” shall all be the product of the same Manufacturer. RNMC Conduit and fittings shall be solvent cement welded watertight.

Conduit and fittings shall be identified with legible markings showing ratings, size and Manufacturers name.

RNMC and fitting shall be corrosion resistant, watertight.

Conduit and fittings shall be suitable for conductor and ambient operating temperatures from minus 20 degrees centigrade to plus 90 degrees centigrade.

RNMC shall comply with NEMA TC-2 (PVC 40 conduit, latest revision) NEMA TC-6 (EB conduit latest revision) and NEMA TC-3 (fittings, latest revision); UL 514 and UL 651 (latest revision).
b.
c.
d.
e.
f.

2. Polyvinyl Chloride (PVC)-RNMC
a.
b.
c.

PVC-Schedule 40 heavy wall construction.

PVC-Schedule 80 extra heavy wall construction.

PVC-Type EB, with concrete full encasement end-to-end.

3. RNMC fittings connecting to metallic raceways shall be provided with a ground/bond jumper connection.

G. Expansion Joint, Deflection Joint and Seismic Joint Conduit Fittings

1. Expansion Conduit Fitting - Fitting shall provide for a minimum of 2-inches straight line movement between two connecting conduits in each direction (total 4-inches conduit expansion and contraction) parallel to the respective conduit lengths. Fitting shall be watertight.

2. Deflection Conduit Fitting - Fitting shall provide for a minimum of 30 degrees angular deflection movement (“Shear” deflection) between two connecting conduits, in any direction perpendicular to the length of the respective conduits.

Fitting shall be watertight.

3. Combination Expansion/Deflection Conduit Fitting - Fitting shall provide the combined “Expansion” and “Deflection” movement capacity between two 26 05 30 - 7 Conduit and Wire
TP-912
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
connecting conduits as described for separate “expansion” and “Deflection” conduit fittings. Fitting shall be approved for installation concealed in both masonry/concrete construction; concealed inside hollow wall and in ceiling construction; and exposed non-masonry/ concrete construction. Fitting shall be watertight.

4. Fittings shall comply with UL.

5. Fittings as manufactured by:
a. Conduit expansion fittings exposed, or concealed locations as manufactured by:
1) Emerson-OZ/Gedney – AXB-8 Series for RMC conduit.
2) Emerson-OZ/Gedney - TX Series for EMT conduit.
3) Appleton – AXB or XJ8 Series for RMC conduit and EMT conduits.

Provide RMC to EMT combination conduit coupling fittings for each end of the expansion fitting.
b. Combination expansion/deflection conduit fittings exposed, or concealed conduit locations as manufactured by:
1) Emerson-OZ/Gedney-AXDX Series for RMC conduit.
2) Emerson-OZ/Gedney-AXDX Series for EMT conduit.
3) Appleton-DX Series for RMC conduit.
4) Provide RMC to EMT combination conduit coupling fittings for each end of the expansion/ deflection fitting.
c. Conduit expansion/deflection fittings for FMC and LTFMC conduit. 1) Provide a minimum of 12-inches of “Slack” LTFMC in each FMC or LTFMC conduit at building and structure seismic or expansion joint conduit crossings.
2) Note: Each FMC “Slack” expansion/deflection location, shall be considered as not less than a 90-degree conduit bend location, for compliance with the maximum quantity of conduit bends allowed in a raceway.

6. Conduit fitting bonding jumper:
a. The grounding/bonding path of metal conduit shall be maintained by the fitting.

Provide a bonding jumper at each expansion, deflection and combination expansion deflection conduit fitting.

The jumper shall be a bare flexible copper “braid”. The copper braid electrical current carrying capacity shall be equal to the metal conduit.

Provide a factory terminated ground clamp on each end of the braid with adjusting steel conduit grounding clamps and connect to each respective conduit end.

The jumper braid length shall be 8-inches longer than the respective conduit fitting.
b.
c.
d.
e.
26 05 30 - 8 Conduit and Wire
TP-913
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
f. Bonding jumper for FMC and EMT fittings as manufactured by:
1) Emerson-OZ/Gedney – BJ and BJE Series
2) Appleton – BJ/XJ Series
H. Conduit Bodies Conduit Fitting

1. Conduit bodies shall provide conductor access with a removable conduit body cover and wiring area enclosed in metal housing. The conduit body shall facilitate pulling conductors.

2. In-line form “C” conduit bodies shall be prohibited.

3. The interior space “Length” of 90 degree “Elbow” conduit bodies shall not be less than six times the diameter size of the largest conduit connecting to the conduit body.

4. Conduit body covers shall be removable, gasketed; watertight “Domed” metal covers “Mogul-Type” with threaded screw attachment to the conduit body.

5. Lubricated, reusable, wire roller guards inside the conduit body shall protect wire from insulation damage during wire “Pulling”.

6. Conduit body fittings shall comply with UL 514.

7. Conduit bodies as manufactured by:
a. For RMC Conduit
1) Hubbell/Killark – LB/Mogul (90-degree elbow) Series – threaded body. 2) Emerson-OZ/Gedney - LB 6X/Mogul (90-degree elbow) Series - threaded body.
3) Appleton – NEC6X-LB/Mogul (90-degree elbow) Series - threaded body. b. For EMT Conduit
1) Same as for RMC conduit. Provide EMT to RMC conduit combination coupling fitting for each outlet body connection.

2.2 PVC COATING
A. PVC Coatings shall be provided as described for specified metal products.

B. PVC Coating shall be factory applied, to comply with NEMA-RN1 and 5-19.

C. The adhesion of the PVC coating to the coated metal shall exceed the strength of the coating itself, based on 0.5-inch “Strip-Pull” test.

D. Uniform coating thickness shall be continuous without “Breaks” or “Pinholes” and shall not be less than the following:

1. Exterior metal surfaces, 40-millimeter coating thickness. 26 05 30 - 9 Conduit and Wire
TP-914
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Interior metal surfaces, 10-millimeter PVC or urethane coating thickness (i.e., interior of conduits, interior of conduit fittings etc.).

2.3 CONDUIT SUPPORTS
A. General

1. Conduit Supports, hangers and fasteners for metal conduit shall be steel, hot dip zinc galvanized.

2. Conduit supports, hangers and fasteners for PVC coated conduit shall be PVC coated to match the conduit PVC coating.

3. Threaded hardware shall be continuous, free running threads.

4. Conduit support systems, including support channels, pipe clamps, braces, anchors, hardware, fasteners, shall be sized to support the full capacity circuit conductors’ weight, plus the installed conduit weight, plus the conduit fitting weight and support hardware weight, plus a 300% additional weight capacity safety factor.

5. Provide lock washer at each “Bolted”/threaded connection.

6. Conduit supports, fasteners, channels, braces, hardware, anchors, pipe clamps, and hangers as manufactured by Unistrut or Kindorf.

7. Supports shall be free of “BURRS” and sharp edges.

8. Metal supports cut in the field shall be zinc galvanized after cutting to prevent rust.

B. Conduit Hangers

1. Threaded steel hanger rods.
a. Hanger rods smaller than 0.375-inches in diameter shall not be used for support of individual conduits.

Hanger rods smaller than 0.5-inches in diameter shall not be used for support of multiple conduits.
b.

2. Conduit hanger wires shall be not less than 12-gauge steel.

3. Conduit hangers shall attach to structure fasteners with steel “Clevis” or “Swing” hangers and shall provide a minimum of 45 degrees of angular movement in any direction at the point of the conduit hanger attachment to the structure fasteners.

4. Conduits individually suspended by conduit hangers shall fasten to the respective hangers with “Clevis” type pipe hangers. The pipe hangers shall be steel, adjustable to fit conduit size and shall completely enclose the conduit circumference.
26 05 30 - 10 Conduit and Wire
TP-915
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
C. Conduit Support Channels

1. “C” channels shall be factory preformed with a minimum 12-gauge thickness metal. The channel shall be factory “Punched” with regularly spaced slotted holes for fastener attachments along the length of the channel.

2. The “C” channel shall not deflect more than 0.1-inch between channel supports at maximum installed design load, including required safety factor.

3. Channels shall comply with ANSI-1008 (latest revision) and ASTM-A569 latest revision).

4. Channels shall provide “Turned Lips” at longitudinal edges to hold (lock-in) fasteners.

5. Conduit support channels suspended from conduit hangers shall attach to conduit hangers with treaded connections. Provide a minimum of two hangers (trapeze style) connected to each channel.

6. Non-suspended conduit support channels shall connect to structure fasteners with threaded connectors.

D. Fasteners, Seismic Earthquake Rated

1. Channel fasteners:
a. Channel fasteners shall “Pre-Locate” and lock into the channel “Turned Lips” and channel “Walls”.

A separate metal strap shall “Tie” each conduit to each channel with conduit channel fasteners.
b.

2. Structure fasteners:
a. Structure fasteners for wall and floor mounted conduit attachments shall attach to existing masonry and concrete structures with structure fasteners using drilled, mechanical, expansion shield anchors.

Structure fasteners for wall and floor mounted conduit attachments shall attach to new masonry and concrete structures with structure fasteners using steel threaded inserts precast into the structures.

Structure fasteners shall center the support load above or below the beam flanges and reduce torsion-rotation forces exerted on the structural beam.

Attach to steel structural members with “Swing-Beam Clamps”, with setlocking screw structure fasteners. b.
c.
1) Beam clamps shall include integral safety rod, strap or “J”-hook to secure the attachment clamp to the beam flanges on both sides of the beam, with integral hanger rod attachment.
2) Or double-ended beam clamp to secure the attachment clamp to the beam flanges on both sides of the beam, with integral hanger rod attachment.
26 05 30 - 11 Conduit and Wire
TP-916
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
d. Structure fasteners for wall and floor mounted conduit attachments shall attach to wood structural members with flush “Through-Bolted” wood beam/wood framing stud structure fasteners.

Structure fasteners for wall mounted conduit attachments shall attach to steel framing studs and steel structural elements with spot welded steel structure fasteners or drilled and bolted structure fasteners. e.

E. Brace Connectors

1. Provide lateral brace connectors to resist horizontal, lateral and vertical movement of suspended conduits during seismic earthquakes.

2. The braces shall connect from each conduit support, attach as close to the conduit support as possible, and attach to fixed rigid, non-suspended building “Main” structural elements with fixed anchoring.

3. Brace attachment connectors and fasteners shall be rigid preformed steel channels or flexible #10-gauge steel hanger wire.

4. Connect and attach the brace connectors to fixed structural elements in the same manner as conduit support hangers. The connection of braces to structural elements shall be independent of the conduit support hanger structure fasteners.

2.4 ELECTRICAL POWER WIRE AND CABLE (600 VOLT AND BELOW) A. General

1. All wire and cable shall be single-conductor, annealed copper, insulated 600-volt, #12AWG minimum unless specifically noted otherwise on the Drawings.

2. Conductors #10AWG and smaller shall be solid. Conductors #8AWG and larger shall be stranded.

3. Insulation of conductor connected to circuit protection devices required to be "100%" rated, shall be 90-degree centigrade rated insulation.

4. Insulation of conductors installed outdoors, on grade or underground, insulation shall be rated for wet locations.

5. Insulation of conductors installed outdoors, installed exposed to the sun, installed in exposed conduits, insulation shall be rated for high-temperature 90 degrees centigrade.

6. Insulation of branch circuit conductors installed internal of light fixtures; insulation shall be rated for not less than 90 degrees centigrade.

7. Conductor exposed to oil. The insulation and jacket shall be oil resistant, complying with “Oil Resistant-1” and “Oil Resistant-2” UL83. 26 05 30 - 12 Conduit and Wire
TP-917
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Conductor Insulation

1. 600-volt AC and/or DC insulated conductors complying with UL83 installed entirely inside conduits, or enclosed inside wireways, or enclosed inside raceways, insulation shall be rated as follows.
a. Indoor above Grade locations either concealed or exposed. 1) Dual rated THHN and THWN
2) Individually rated THHN-2
3) Individually rated THWN-2
4) XHHW-2
b. Outdoor above Grade either concealed or exposed.
1) XHHW-2
2) THWN-2
3) THW-2
c. Outdoor below Grade or outdoor on Grade.
1) XHHW-2
2) THWN-2
3) THW-2
d. All other enclosed raceway locations not described above. 1) XHHW-2
2) THWN-2
3) THW-2

2. 600-volt AC and/or DC insulated conductors installed in open cable tray or open wireway or exposed; insulation also shall be additionally rated for the specific exposed install locations.

C. Insulation Color Coding and Identification

1. The following color code for branch circuits:
a.
b.

Neutral . . . White (Tape feeder neutrals with white tape near connections) Normal Power
120/208 Volt
Ground Green
Phase A Black
Phase B Red
Phase C Blue
480/277 Volt
Ground Green
Phase A Brown
Phase B Orange
Phase C Yellow
c.
d.

Isolated ground insulation shall be green with a longitudinal yellow stripe.

Emergency power same insulation color as normal power except as follows:
120/208 Volt
Provide an additional continuous stripe on each conductor insulation, orange or yellow, except ground
26 05 30 - 13 Conduit and Wire
TP-918
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
480/277 Volt
Provide an additional continuous stripe on each conductor insulation blue or black, except ground

2. When individual neutral conductors are shown/required for each branch circuit, the color code for the neutral conductors shall be as follows:
a. 120/208 volt; Phase A - White with Black stripe; Phase B - White with Red stripe; Phase C - White with Blue stripe.
277/480 volt; Phase A - White with Brown stripe; Phase B - White with Orange stripe; Phase C - White with Yellow stripe.
b.

3. Feeders identified as to phase or leg in each, switchboard, switchgear, panelboard, junction and termination location with printed identifying tape/ tags.

4. Fire alarm conductors: Use 600-volt, type THHN-2/THWN-2 conductors and color-coded per Equipment Manufacturer's recommendations and approved and listed for use on fire alarm systems by the State Fire Marshal and AHJ.

5. Color coding for HVAC mechanical and plumbing control wiring shall be an agreed upon color code between the Mechanical/Plumbing Contractor and the Electrical Contractor, and color code shall be submitted to the Owner’s Representative in writing for approval prior to installation.

D. Equipment Feeders, Copper or Aluminum:

1. Wire size shown on the Drawings is for copper conductors, unless specifically indicated otherwise.

2. If aluminum wire is proposed, increase aluminum wire size to ampere capacity of copper wire and voltage drop, not to exceed that of copper feeders indicated on Drawings. Increase conduit size and quantity as required by Code. Provide feeder calculation sheet, eight copies, if aluminum wire is proposed, showing feeder number, length, size and voltage drop in percentage for original copper feeders and for equal aluminum feeders.

3. Aluminum Conductors (600-volt or Less Only): Contractor has the option of using aluminum conductors in lieu of copper conductors for feeders only to panels, distribution boards/panels, switchboards, switchgear, trans-formers, motor control centers, and dimmer switchboard.

4. Aluminum Conductors shall be Aluminum Association AA-8000 Series Alloy, compact-stranded, with the same insulation as called for under copper conductors.
a.
b.

Aluminum conductor larger than 750 MCM shall not be used.

Aluminum conductors smaller than #2AWG shall not be used.

5. If the conductor termination is to be made on a bus bar or similar flat surface, a Burndy Type YA-A HYPLUG compression terminal intended for the specific conductor size, factory filled with oxide inhibitor compound shall be used.

Terminal must be installed using a hydraulic compression tool equipment with a 26 05 30 - 14 Conduit and Wire
TP-919
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
die head for the particular terminal used. Only Burndy Hypress tools shall be used for compression.
a. Typical for existing aluminum conductors identified on Drawings for in-place reuse.
b. Typical for new aluminum conductors.

6. If the conductor termination is to be made into a circuit breaker or similar insert compartment it shall be terminated by use of a Burndy AYP HYPLUG compression connector intended for the specific conductor size, factory filled with oxide inhibitor compound. Connector must be installed using only Burndy Hydraulic compression tool specifically approved for each respective connector. a. When an aluminum lug is terminated to a copper or aluminum bus with a steel, aluminum or copper stud or bolt, place aluminum lug on stud or bolt followed by a flat steel washer, a Belleville washer, and steel or copper nut, in that order.

7. Connector aid shall be used for all aluminum conductor terminations, slices and connections. Connector aid shall be Burndy Pentrox A, NO-OX-1D Grade “A”.

2.5 MC CABLE
A. General

1. Metal clads electrical cable type “MC”, UL listed and labeled; low smoke per IEEE-FT4 1212 procedure and UL-1685 and 1569. Fire stop penetration rated.

Rated for installation in environmental air plenums.

2. The cable assembly shall be rated for continuous full load operation in ambient temperatures as follows:
a.
b.

Dry locations 90 degrees centigrade.

Wet locations 75 degrees centigrade.

3. The type of MC cable, MC Fittings and supports shall be suitable for the conditions of use and the conditions of location of installation, based on the Manufacturer’s recommendations and based on applicable Codes.

4. Provide MC Terminations with MC cable bushings, rated “Anti-Short”.

5. Health Care facilities MC cable shall be rated for Hospital-Grade, with two individual, separate internal dedicated ground/bond conductors.

B. Conductors

1. Wire conductors shall be 600-volt 60Hz AC thermoplastic insulated, wire conductor.
a. Wire sizes smaller than #8AWG shall be solid conductors. Wire sizes #8AWG and larger shall be stranded conductors.
26 05 30 - 15 Conduit and Wire
TP-920
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. Copper conductor - soft annealed copper, ASTM-B3 or B8. Minimum wire conductor size shall not be less than #12AWG. Aluminum conduct MC cable shall not be permitted.

2. 600-volt color-coded insulation phase wire conductors.

3. 600-volt white insulation neutral wire conductor. Provide a separate independent neutral wire conductor for each MC cable branch circuit phase conductor, shared neutral conductor shall not be permitted on multi-wire branch circuits contained within the same common MC cable.

4. 600-volt green insulation ground wire conductor. A second redundant, independent ground conductor shall be provided inside the MC cable. The ground conductors shall be bare or insulated conductor wire, type and size to match the main ground conductor.

5. A 100% coverage internal jacket binder tape shall enclose all conductors, located directly under the jacket armor. The binder tape shall provide isolation of “Movement” (reduce friction contact) between the conductors and the metal jacket.

6. The insulation of each wire conductor shall be individually 100% enclosed in a continuous tape. The tape shall provide isolation of “Movement” (reduce friction contact) between individual conductors’ insulation and between conductor insulation and the internal jacket tape.

C. Jacket

1. Interlocking spiral winding flexible metal armor shall be galvanized steel armor jacket. The armor jacket shall 100% enclose the insulated wire conductors inside the armor jacket. Aluminum jacket shall not be permitted.

2. PVC overall cable jacket for wet locations:
a. A continuous Polyvinyl Chloride (PVC) flexible jacket shall be applied over the armor jacket 100% enclosing coverage.

The PVC jacket shall be impervious to water infiltration, free of cracks and “Pin-Holes”.

The PVC jacket shall be provided on MC locations as described in the Contract Documents.
b.
c.

3. The interior surfaces of fittings shall be continuous and smooth, with a constant interior diameter. Fittings shall provide fully enclosed circular cross section. The interior surfaces of fittings shall be without ridges, burrs irregularities or obstructions. Fittings of the same type shall be of the same uniform weight and thickness.

4. Protective corrosion resistant finish for MC fittings fabricated from steel shall be as follows:
a. Clean all metal surfaces (including metal threads) with acid bath “Pickle” prior to coating, to remove dirt, oil and prepare surfaces for galvanizing. 26 05 30 - 16 Conduit and Wire
TP-921
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. Hot-dip galvanized zinc coating on all interior and exterior steel surfaces.

Minimum finish zinc coating thickness shall not be less than 0.002-inch.

Threads shall be hot-dip zinc coated after machine fabrication.

Exterior metal surfaces shall be finished with clear organic polymer topcoat layer, after galvanizing.

The inner metal surfaces shall be finished with a lubricating topcoat after galvanizing, to facilitate conductor pulling through the fitting. c.
d.
e.

5. Threads for MC cable fittings shall be taper-pipe-thread, National Pipe Standards (NPS) and shall comply with ANSI-B1.20.1.

6. Terminal connector fittings shall be provided with a Manufacturer installed, insulating throat bushing inside the fitting. The bushing shall protect the wire conductor insulation from cutting, nicks, and abrasion during conductor installation and electrical load “Cycling” after installation is complete. The bushing shall comply with UL 94V-0 flammability. The bushing shall be visible and provide physical isolation between the jacket metal armor and the internal conductor insulation.

7. Fittings connecting to MC cable with PVC jacket coating shall be PVC coating to match the cable.

PART 3 - EXECUTION

3.1 TRENCHING, FOOTINGS, SLEEVES
A. General

1. Provide excavation and trenching, concrete encasement of conduits, trench backfilling, and compaction for the underground electrical work.

2. Provide concrete footings and concrete reinforcement for all post and/or polemounted lighting fixtures.

3. Joists, girders, beams, columns or reinforcing steel shall not be cut or weakened.

Where construction necessitates the routing of conduit or raceways through structural members, framing or footings, written permission to make such installation shall first be obtained from the Owner’s Representative. Such permission will not be granted, however, if any other method of installation is possible.

B. Sleeves

1. Provide sleeves for raceways, conduit and wire/cables passing through the following construction elements:
a.
b.
c.

Concrete and masonry foundations, floors, walls and slabs.

Gypsum, Lath, and plaster walls and ceilings.

Building structures (i.e., foundations, walls, floors, ceilings, beams, and roofs) with a fire rating exceeding 20-minutes.
26 05 30 - 17 Conduit and Wire
TP-922
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Sleeves shall extend 1.5-inch above and below floors, except under floor standing electrical equipment. Sleeves shall be flush with wall ceiling foundations and partitions exposed to public view and extend approximately 0.5- inch past penetration in fire rated construction. Sleeves shall be installed at exact penetration locations and angles to accommodate wire/cable, race-way and conduit routings.

3. The layout and design of raceways and conduits located in or routed through masonry or reinforced beams or the Owner’s Representative shall review walls before any work is performed. All sleeving shall be accomplished according to the instructions of the Owner’s Representative and shall be accepted before any concrete is poured.

4. Sleeves, raceways and conduit shall be located to clear steel reinforcing bars in beams. Reinforcing bars in walls shall be offset to clear piping and sleeves.

5. Provide a continuous clearance between the inside of a sleeve and exterior of wire/cables, conduits and raceways passing through the sleeve not less than the following:
a.
b.
c.

0.5-inch clearance except as required otherwise.

1.0-inch clearance through outside walls below grade.

3.0-inch clearance through seismic joints.

6. Sleeves set in fire rated construction shall be caulked between sleeves and building structure, additionally sleeves shall be caulked between the sleeve and the wire/cables, conduits/raceways passing through the sleeve. The caulking shall be a fireproof sealant, equal to the fire rating and temperature being penetrated. Clearance between components inside of sleeve and exterior of components passing through sleeve and between components inside the sleeve shall comply with Fireproof Sealant Manufacturer’s recommendations.

7. Sleeve material:
a. In floor construction: Schedule 40 black steel pipe, with upper surface to be sealed watertight.

In concrete or masonry walls roofs or ceilings: Schedule 40 black steel pipe.

When installed in roofs or outside walls, seal outer surface watertight.

In fire rated construction; 24-gauge galvanized iron or steel.

Sleeves through waterproof membranes: Cast iron or Schedule 40 steel with flashing clamp device and corrosion resistant clamping bolts. Caulk space between pipe and sleeve and surfaces between sleeve and conduits sealed watertight.
b.
c.
d.

3.2 GROUNDING AND BONDING
A. General

1. Grounding and Bonding shall be executed in accordance with all applicable Codes and Regulations, both State and Local Authorities Having Jurisdiction (AHJ).
26 05 30 - 18 Conduit and Wire
TP-923
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Where nonmetallic conduit is used in the distribution system, the Contractor shall install the proper sized copper ground wire in the conduit with the feeder for use as an equipment ground. The electrical metallic raceway system shall be grounded to this ground wire.

3. The maximum ground/bond resistance to the grounding electrode shall not exceed 1-ohms from any location in the electrical system. The maximum ground resistance of the grounding electrode to earth shall not exceed 5-ohms.

B. Ground/Bond Conductors

1. Provide an additional, dedicated, green insulation equipment ground/bond wire inside each conduit type and raceway as follows. Size the ground/ bond conductors to comply with CEC/NEC Requirements. The metal conduit or raceway shall not be permitted to serve (function) as the only (exclusive) electrical ground return path:
a. All types of nonmetallic conduit and all types of non-metallic raceways including but not limited to: RNMC - Rigid Nonmetallic Conduit.

FMC - Flexible Metal Conduit.

LTFMC - Liquid Tight Flexible Metal Conduit.

Metal and non-metal raceways.

RMC - Rigid Metal Conduit.

EMT - Electrical Metal Tubing.
b.
c.
d.
e.
f.

2. The equipment ground/bond wire shall be continuous from the electrical circuit source point of origin to the electrical circuit end termination utilization point as follows:
a. Every conduit and raceway path containing any length of the above identified conduits or raceway.

Every conduit path and raceway path connected to any length of the aboveidentified conduits and raceways. b.

3. The equipment ground/bond wire shall be sized as follows, but in no case smaller than indicated on the Drawings. Install equipment ground/bond wire in each conduit/raceway, with the respective phase conductors:
a. Feeder, Sub-feeders and
Branch Circuit Protection
15 amp
20 amp
0 to 60 amp
70 to 100 amp
101 to 200 amp
201 to 400 amp
401 to 600 amp
801 to 1000 amp
1001 to 1200 amp
1201 to 1600 amp
1601 to 2000 amp
Minimum Equipment
Ground Copper Wire Size
#12
#12
#10
#8
#6
#2
#1
2/0
3/0
4/0
250 MCM
26 05 30 - 19 Conduit and Wire
TP-924
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
2001 to 2500 amp
2501 to 4000 amp
4001 to 6000 amp
350 MCM
500 MCM
800 MCM

4. Isolated grounds - Raceways containing branch circuit or feeder-phase conductors connected to panelboards equipment, or receptacles with isolated grounds or isolated ground bus shall contain an additional dedicated insulated ground conductor connected to the isolated ground system only. The isolated ground conductor shall be continuous the length of the raceways and connected only to the isolated ground terminals in addition to and independent of the equipment bonding/ground conductor. The isolated ground conductor shall be sized as indicated above, for equipment ground/bond wire.

5. Splices in ground/bond wires shall be permitted only at the following locations:
a.
b.

Ground buses with listed and approved ground lugs.

Where exothermic welded ground/bond wire splices and/or terminations are provided.

6. Provide ground/bond wire jumpers for conduit fittings with ground lugs, expansion and deflection conduit fittings at conduit fittings connecting between metallic and non-metallic raceways and to bond metal enclosures to conduit fittings with ground lugs.

7. Where conductors are run in parallel in multiple raceways, the grounding conductor shall be run in parallel. Each parallel equipment-grounding conductor shall be sized based on the ampere rating of the overcurrent device protecting the circuit conductors in the raceway. When conductors are adjusted in size to compensate for voltage drop, grounding conductors, where required, shall be adjusted proportionately in size.

8. Ground conductors for branch circuit wiring shall be attached at each outlet to the back of the box using drilled and tapped holes and washer head screws, 6-32 or larger.

9. Each motor control, electrical panel, panelboard, switchboard, switchgear, pull box or any other enclosure in which more than two ground wires are terminated shall be equipped with a ground bus secured to the interior of the enclosure. The bus shall have a separate lug for each ground conductor. No more than one conductor shall be installed per lug.

C. UFER Ground

1. In addition to all cold-water metal pipe and structural steel grounds provided to meet this Specification, there shall be a main ground system of the UFER ground style.

2. The UFER ground electrodes shall be a minimum of two 20-feet lengths of #4/0 AWG bare stranded copper cable embedded horizontally in the cast in place concrete footing, extending in opposite directions in the footings. All portions of 26 05 30 - 20 Conduit and Wire
TP-925
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
the ground electrodes shall be placed inside the concrete, between 2-inches and 4-inches from the earth surrounding the concrete.

3. The lengths of cable shall extend in opposite directions in the footings, with the center end of each cable terminated onto the main electrical service ground bus for the main electrical service equipment.
a.
b.

Typical in each separate building.

Typical for each main electrical service equipment location.

4. All wire cable connection terminations onto the ground bus shall be exothermic weld type.

5. The “UFER” grounding electrode, embedded in concrete, shall be exothermically welded to each steel reinforcing bar (rebar) and each steel anchor bolt located within 18-inches of the grounding electrode inside the concrete. Note:

Reinforcing steel (rebar), in concrete foundations, attached with metal “TieWraps” and in direct physical contact to other adjacent rebar that is in turn exothermic welded to the UFER grounding electrode, may be classified as attached to the UFER grounding electrode, and does not require additional exothermic weld connections to the UFER grounding electrode.

D. Additional Ground/Bond Connects

1. Provide a separate ground/bond insulated grounding electrode conductor, copper wire from the main electrical service ground bus homerun to each of the following locations. Exothermic weld connects or UL listed and approved compression ground/bond fittings/couplers. The ground/bond conductor shall be sized to comply with applicable Codes and as indicated on the Drawings, but in no case smaller than the following:
a. Main service entrance equipment ground bus:
1) Services smaller than 1200 amp 1.5-inch conduit with 1#4/0. 2) Services 1200 amp and larger 2.5-inches conduit with 1#500 MCM. 3) Where a separate ground bus is not required, connect ground to electrical equipment metal housing
b. Each telephone backboard and signal system backboard location, each IDF and MDF, 1.25-inch conduit with 1#1.

Metal cold water pipe located inside the building, 1.5-inch conduit with 1#4/0.

Outdoor underground metal cold water pipe, make connection five feet from the building, 1.5-inch conduit with 1#4/0.

Each transformer (size equipment ground conductor as indicated and to comply with applicable Codes).

Each service entrance ground bus and each separately derived ground rod system:
c.
d.
e.
f.
1) Services smaller than 1200-amp 1.5-inch conduit with 1#4/0. 2) Services 1200 amp and larger 2.5-inch conduit with 1#500MCM. 26 05 30 - 21 Conduit and Wire
TP-926
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
g. Separate 1.25-inch conduit with 1#2(AWG) bonding conductor to each interior metal pipe system located in the same building, including but not limited to, the following:
1) Fire sprinkler system each stand-pipe location (water based and nonwater-based).

HVAC chilled water supply and return, at each pump location.

Metal roof drains and down-spouts.

Waste liquid disposal systems.

Metal gas pipe service entrance and service meters.

Hydraulic elevator main hydraulic lift-piston housing pipes for each hydraulic elevator.
2)
3)
4)
5)
6)
h. Each Inverter Unit and each Uninterruptable Power Supply – UPS (size equipment bonding conductor and neutral ground conductor as indicated and to comply with applicable Codes).

3.3 CONDUIT
A. General

1. The sizes of the conduits for the various circuits shall be as indicated on the Drawings, but not less than the conduit size required by Code for the size and quantity of conductors to be installed in the conduit.

2. Conduits shall be installed concealed from view. Install conduits concealed in walls, concealed below floors and concealed above ceilings, except as specifically noted otherwise.
a. Conduits shall not be installed in concrete floors.

3. The following systems shall be considered as circuits 100 volts and less, all other circuits shall be considered to be over 100 volts (power circuits) unless specifically noted otherwise: Fire alarm, energy management control, telephone, public address, data, computer, television, intercom, intrusion alarm and nurse call.

4. Conduits shall be provided complete with conduit bends, conduit fittings, outlet boxes, pullboxes, junction boxes, conduit anchors/supports, and grounding/bonding for a complete and operating conductor/wire raceway system.

5. Metal and nonmetal conduits shall be provided mechanically continuous between termination connection points. Metal conduit shall be provided electrically continuous between termination connection points.

6. Individual conduit paths and home runs shown on the Drawings shall be maintained as separate individual conduits for each homerun and path.

7. Conduits, conduit fittings and installation work occurring in classified hazardous materials locations shall comply with applicable Code Class 1 Division 1 Requirements, unless specifically noted otherwise.
26 05 30 - 22 Conduit and Wire
TP-927
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

8. Transitions between conduits constructed of different materials and occurring in above grade locations shall be allowed only at outlet boxes, junction boxes, pull boxes and equipment enclosures unless specifically indicated otherwise.

Provide outlet boxes and junction boxes.

9. Metal conduit terminating to nonmetal enclosures; terminating into metal enclosures with “Concentric.Ring” knockouts; terminating into metal enclosures with knockout reducing washers, including but not limited to equipment housings, outlet boxes, junction boxes, pull boxes, cable trenches, manholes, shall be provided with a ground/bonding lug integrated with the conduit termination conductor fitting construction, by the Fitting Manufacturer. The lug shall provide for connection of a grounding/bonding conductor (insulated or uninsulated). The grounding lug shall be located on the fitting, inside the termination enclosure.

10. The type of conduit, type of conduit fittings, and type of conduit supports, and method of conduit installation shall be suitable for the conditions of use and conditions of location of installation based on the Manufacturer’s recommendations; based on the applicable Codes and based on the Requirements of the Contract Documents.

B. RMC Installation Locations
RGS, IMC conduits and RGS, IMC fittings shall be installed in the following locations:

1. Embedded in floors, walls, ceilings, roofs, foundations, and footings constructed with concrete.

2. Embedded in walls and foundations constructed with brick and masonry.

3. Interior of buildings, within 9-feet of finish floor lines for exposed conduit locations.

4. Exterior of building for exposed conduit locations.

5. Damp or wet locations exposed or concealed locations.

6. Exposed on roofs.

7. In hazardous materials areas and locations; below hazardous materials areas and locations; above hazardous materials areas and locations.

8. Exposed on utility service poles, for pole risers less than 9-feet above finish grade.

9. RMC conduit and RMC fittings may be installed in any location where EMT and FMC conduit is permitted to be installed.

C. PVC Coated RMC Installation Locations
PVC coated RMC conduit and PVC coated RMC fittings shall be installed in the following locations:

1. Underground conduit locations for elbows and bends with a radius of less than 36-times the conduit diameter.
26 05 30 - 23 Conduit and Wire
TP-928
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Underground vertical risers extending above grade.

3. Entire length of underground conduits for the following circuits:
a.
b.

Analog Audio microphones and analog video circuits.

Analog Lighting dimming controls.

4. Installed in contact with earth or corrosive materials.

5. Exposed in “Cold” rooms and “Refrigerated” rooms, rooms with a maintained temperature below 65 degrees Fahrenheit.

6. Exposed conduit in exterior outdoor locations.

7. Exposed conduit in interior locations.

D. EMT Installation Locations
EMT conduit and EMT fittings may be installed in the following locations, for circuit conductors operating below 600 volts to ground; locations containing only “NonHazardous Materials”; only dry locations:

1. Concealed in hollow non masonry/non-concrete, metal stud frame and wood stud frame walls and floors.

2. Concealed above ceilings.

3. Exposed inside interior enclosed crawl spaces.

4. Exposed interior locations placed 9-feet or higher above finished floors (except as described in paragraph below at lower heights).

5. Exposed on walls and ceilings (any height) in the following dedicated function areas, interior enclosed room locations:
a.
b.
c.

Indoor enclosed electrical equipment rooms and closets.

Indoor enclosed data and telecommunication terminal rooms and closets.

Indoor enclosed HVAC equipment rooms and closets.

6. Any location where FMC is described to be installed, except as the final connection to rotating or vibrating equipment.

E. FMC Installation Locations
FMC conduit and FMC fittings may be installed in the following locations for circuit conductors operating below 600 volts to ground; locations containing only “NonHazardous Materials”; only dry, interior locations:

1. Concealed in hollow non-masonry metal stud frame and wood stud frame fully enclosed walls.

2. Concealed above fully enclosed ceiling spaces.
26 05 30 - 24 Conduit and Wire
TP-929
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3. FMC conduit shall be installed in continuous lengths between termination points.

FMC shall not be “Spliced” or coupled directly to FMC or any other conduit type under any circumstance.

4. The maximum continuous length of FMC that shall be installed between termination end points is 15-feet. Circuits requiring continuous conduit lengths exceeding 15-feet between termination end points shall be installed using either RMC or EMT conduits. FMC lengths shorter than 16-inches are prohibited.

5. The minimum size FMC conduit shall be as shown on the Drawings but not be less than the following:
a.
b.

FMC lengths of 6-feet or less, minimum FMC conduit size shall be 0.50-inch.

FMC lengths exceeding 6-feet, minimum FMC conduit size shall be 1.0-inch.

F. LTFMC Installation Locations
LTFMC conduit and LTFMC fittings shall be installed in the following locations for circuit conductors operating below 600 volts to ground; locations containing only “NonHazardous Materials”:

1. Final electrical connection to vibrating or rotating equipment; control and monitoring devices mounted on vibrating and rotating equipment including the following. Minimum conduit length shall not be less than 24-inches:
a.
b.
c.

Motor, engines, boilers, solenoids, and valves.

Fixed mounted “Shop” (manufacturing) production equipment.

Fixed mounted food preparation equipment and “Kitchen” equipment.

2. All locations where exposed flexible conduit connections are required, both indoor and outdoor.

3. Final connection to indoors electrical transformers. Minimum conduit length shall not be less than 24-inches; maximum conduit length shall not exceed 72-inches.

4. Do not install LTFMC located in environmental air plenums.

G. RNMC Installation Locations
RNMC conduit and RNMC fittings shall be installed in the following locations containing only “Non-Hazardous Material”:

1. Underground, concealed below earth grade, unless specifically noted or specified otherwise.

2. Exposed on utility service poles, for pole risers at 9-feet or higher above finish grade, Schedule 80 PVC only.

3. RNMC type “EB” conduit(s) shall be concrete encased along the entire length of the conduits for all installation locations.

4. Non-metal type raceways and RNMC type conduit shall not be installed inside buildings or exposed on buildings.
26 05 30 - 25 Conduit and Wire
TP-930
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
H. Combi-Duct Installation Locations:

Combi-duct conduits shall be installed where shown on the Drawings. Combi-duct shall be installed underground (below grade) as follows:

1. Do not install exposed or inside buildings above grade.

2. Provide a 0.25-inch pull rope in each inner duct.

3. Radius and elbows shall be rigid non-metallic, PVC, Manufacturer factory fabricated, in lieu of PVC coated RMC conduit.

4. Inner ducts shall be supported by internal spacers inside the enclosing outer duct.

5. Provide end bell and three hole "Snug-Plugs" at each entrance end of Combiduct into pullboxes, manholes, equipment cabinets stub-ups and Combi-duct terminations. Compression type “Snug-Plugs” shall provide watertight and airtight seal between inner and outer ducts and around future cables installed in inner duct.

I. Conduit Installation

1. Conduit Supports
a. Securely and rigidly support all raceways/conduits from the building structure. Raceways/Conduits shall be supported independent of all piping, air ducts, equipment ceiling hanger wires, and suspended ceiling grid systems. Secure conduit to structural element by means of UL listed and approved hangers, fasteners, “C” channels and pipe clamps.

Provide conduit supports spaced along the length of the conduit as follows:
1) RMC and EMT conduit, maximum not to exceed 96-inches on center; within 24-inches of each conduit bend and conduit termination location. 2) FMC and LTFMC conduit, maximum not to exceed 24-inches on center; within 6-inches of each conduit bend and conduit termination location. b.
c. Suspended conduit methods:
1) Individual, suspended raceways/conduits separated by more than 12- inches from any other conduit and suspended from ceilings and roofs shall be supported as follows:
a) Conduits smaller than 1.5-inch by means of hanger rods or hanger wires.
b) Conduits 1.5-inch and larger by means of hanger rods. c) The conduit shall attach to the hangers with pipe clamps. d) Hanger wire, not less than #12AWG steel; hanger rods, threaded, not less than 0.375-inch diameter steel.
2) Suspended raceways/conduits positioned within 24-inches of any other conduit shall be grouped and supported by hanger rods using trapeze 26 05 30 - 26 Conduit and Wire
TP-931
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
type conduit support channels ("C" channels). Conduits shall individually attach to common channels side-by-side, with pipe clamps. d. Non-suspended conduit methods:
1) Individual raceway/conduits placed against wall/ceiling/ floors, placed inside hollow wall/ ceiling construction or structure framing (i.e., “DryWall” or plaster hollow wall construction), shall be secured by means of individual pipe clamps and fasteners attached to the framing studs or other structural members and the conduit/raceway.

Provide common “C" channel supports for all multiple raceway/conduits placed against vertical or horizontal surfaces and positioned within 24- inches of other raceways/conduits. Attach channels to the framing studs or other structural members. Attach the conduits/raceway individually to common channels, side-by-side, with pipe clamps.

The use of toggle bolts is prohibited.
2)
3)
e. Conduit rising from floor for motor connection shall be independently supported if extending over 18-inches above floor. Support shall not be to a motor or ductwork, which may transmit vibrations.

Provide conduit anchoring, conduit support and conduit bracing systems conforming to Earthquake Seismic Requirements at each install location.

The conduit support/anchoring system capacity shall include the weight of the conduits, conduit fittings, conduit supports, and conductors/wires/cables installed in the conduits plus a 300% safety factor. Submit Shop-Drawing details showing each typical conduit anchor, conduit support and conduit brace location. Submit structural calculations performed by and signed by a Professional Structural Engineer (P.E.) with a P.E. license, registered in the State of California, U.S.A.
f.

2. Conduit Separation:
a. Conduit installed underground or below building slab without full concrete encasement: Shall be separated from adjacent conduits of identical systems (i.e., signal to signal, data to data, power to power, control to control etc.) by a minimum of 3-inches. Conduits of non-identical systems (i.e., signal to power; data to power; power to control; signal to control, etc.) shall be separated by a minimum of 12-inches.

Conduit installed underground with full concrete encasement; shall be separated from adjacent conduits of similar systems (100 volt and less) by a minimum of 2-inches; conduits for non-power systems (100 volt and less to ground) shall be separated by a minimum of 6-inches from power circuits (over 100-volt to ground); conduits for power circuits shall be separated from adjacent conduits of similar power systems (over 100-volt to ground) by a minimum of 3-inches.

Separation of conduits entering termination points or crossing other conduits may be reduced as required within 60-inches of the termination or crossing points.

Conduits containing Utility Company service circuits (i.e., electrical power, telephone, or cable television) shall be separated a minimum of 12-inches from all other utilities and conduits, with or without concrete encasement, b.
c.
d.
26 05 30 - 27 Conduit and Wire
TP-932
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
metallic or non-metallic conduit, above grade or underground conduit locations.
e. Conduits shall be separated from hot water piping, exhaust flues/ chimneys, steam piping, boilers, furnaces, ovens by a minimum of 18-inches.

3. Conduit Stubs:
a. Branch circuit and telephone conduits turned up from floor at the following locations shall terminate each conduit in a flush conduit coupling at the floor and then extend into partition or to equipment. Refer to Owner’s Representative’s Drawings for location of walls and partitions. 1) Interior demountable partitions.
2) Below, into or adjacent to equipment not installed directly adjoining to a wall.
3) Up from below the floor into hollow stud frame walls. b. From each panel, and signal cabinet which is wall mounted, stub up from top of the panel/cabinet a minimum of three 1-inch conduits to the nearest accessible ceiling spaces or other accessible location. Where the floor below the panel is accessible or is a ceiling space, stub an additional three 1-inch conduits from the bottom of the panel into the accessible space below the panel. Cap conduits for future use.

Conduits stubbed underground outside of building line for future use shall be terminated a minimum of 5-feet clear (whichever distance is greater) of building or adjacent concrete walks and AC paving. The stub-out conduit shall be capped. Provide concrete monuments, 6-inches by 6-inches by 15- inches deep, buried flush with grade over the capped ends. The face of monument shall be furnished with 3-inches square brass plates securely mounted and engraved with the number and size of conduits and type of service (i.e., "POWER", "TEL.", etc.).

Conduits stubbed into ceiling or floor spaces from outlets for telephone, video, computer/data or television shall be provided with an insulated throat bushing, on the end of each conduit stubout.

Conduit stubouts from outlet boxes and equipment located in hollow stud walls, into ceiling and floor spaces, shall be EMT or RMC conduit. The stubouts shall terminate into the ceiling and floor spaces with a conduit termination connector fitting.

Empty conduit stubs into building spaces and equipment shall be individually identified with an “ID-Tag” located at each end of the conduit. The ID-tag shall state the origination point and termination point of the respective conduit (i.e., “from PNL-A/to Room #121”; “from outlet #24/to outlet #17 in Room #120”; etc.).

Provide a conduit termination fitting with insulated throat bushing and mechanical ground lugs at each conduit “Stub-Up” location. c.
d.
e.
f.
g.

4. Conduit concrete encasement:
a. Conduits which are run underground exterior to building slab shall be continuously concrete encased, except 15-, 20- and 30-amp power branch circuit conduits underground do not require concrete encasement. 26 05 30 - 28 Conduit and Wire
TP-933
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. PVC rigid-non-metallic-type EB conduit, of any size and any location shall be continuously concrete encased the full length of the conduit installation, including under building slab.

Concrete for encasement of underground conduits shall be 2000-PSI 28- days cure strength with a mix of cement, sand, water and maximum of ¾- inch gravel. Concrete encasement of conduits shall be continuous without voids. The encasement shall extend 3-inches past the edges of all conduits on all sides of the circuit. Provide ten pounds of red oxide cement coloring uniformly mixed with each cubic yard of concrete for conduit encasement.

Conduits located below or adjacent to structural foundations shall be separated from the foundation by a minimum of 12-inches. Conduits located below structural foundations shall be fully and continuously concrete backfilled and encased between the bottom of the foundation to the bottom of the conduits. The concrete shall be 4000-PSI 28-day cure strength instead of 2000-PSI concrete.

Conduits of any size and type (including 15-amp and 20-amp power branch circuits) located under roads, paved areas and “Transit-System” right of way shall be concrete encased.
c.
d.
e.

5. Underground conduits:
a. Three or more underground conduits occupying the same trench shall be separated and supported on factory fabricated, non-metallic, duct/ conduit support spacers. The spacers shall be modular, keyed inter-locking type, "Built-Up" to accommodate quantity, size orientation and spacing of installed conduits. The spacers shall maintain a constant distance between adjacent conduit supports and hold conduits in place during trench backfill operations.

Minimum support spacer installation interval along with length of the conduits shall be as follows:
1) Concrete encased conduits, not less than 8-feet on center. 2) Non-concrete encased conduits, not less than 5-feet on center. b. Provide trenching, excavation, shoring and Backfilling required for the proper installation of underground conduits. Tops of backfill shall match finish grade.

Bottoms of trenches shall be cut parallel to “Finish Grade” elevation. Make trenches 12-inches wider than the greatest diameter of the conduit.

Back-filling Trenches for Conduits without Concrete Encasement Requirements
c.
d.
1) Conduits which are not required by the Contract Documents to be concrete encased and are located exterior to building slab, shall be set on a 3-inch bed of damp clean sand. Conduit trenches shall be backfilled to within 12-inches of finished grade with damp sand after installation of conduit is completed. Remainder of backfill shall be native soil.

Conduits located under a building which are not required by the Contract Documents to be concrete encased, shall be completely backfilled and compacted with clean damp sand to the same level as the building foundation pad.
2)
26 05 30 - 29 Conduit and Wire
TP-934
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
3) Provide a continuous yellow 12-inches wide flat plastic tracer tape, located 12-inches above the conduits in the trench. The tracer tape shall be imprinted with “Warning-Electric Circuits” a minimum of 24-inches on center.
e. Backfilling trenches for conduits under paved areas:
1) In addition to the Requirements of conduit concrete encasement; conduits under walkways, roads, parking lots, driveways, and buildings shall be cast in place concrete “Slurry Mix” backfill. The slurry mix shall cover each side and top of conduits and conduit concrete encasement.

The slurry mix shall be continuous to the underside of the finish subgrade surface.
f. Backfilling trenches for conduits with Concrete Encasement Requirements by the Contract Documents:
1) Trenches with all conduits concrete encased shall be backfilled with clean damp sand when located under building pads.
2) Trenches with all conduits concrete completely (sides, top, and bottom) encased and not located under a building pad and not located under paved areas, shall be backfilled with clean damp sand or native soil. 3) Concrete mix, consisting of cast-in-place concrete, sand, and gravel. 2000 psi compressive 28-day cure strength. Red-dye concrete coloring.

See additional Requirements.
g. Backfill material:
1) Sand backfill shall be clean with no clay or organic materials, free of State of California and EPA defined toxic constituents, total chloride content less than 500ppm, total sulfate content less than 150ppm, sand pH greater than 4.5 and less than 9.0. Sand and native soil backfill of trenches shall be machine vibrated in 6-inch lifts to provide not less than 90% compaction of backfill.

Native soil backfill shall have no gravel or stones, and no organic matter of aggregate greater than 1-inches.

Concrete mix and slurry mix backfill shall be machine vibrated during installation to remove “Air-Voids”.

The slurry mix shall consist of concrete, clean gravel, clean sand and clean water mixture, 1000psi compressive 28-day cure strength.

Maximum shrinking of slurry mix shall not exceed 5% wet to dry. 2)
3)
4)
h. Do not backfill until Owner’s Representative has approved Installation and As-Built Drawings are up to date. Promptly install conduits after excavation has been done, to keep the excavations open as short a time as possible.

Excess soil from trenching shall be removed from the site.

Installation depth below finish grade of underground conduits and underground raceways. In no condition/location less than 12-inches below winter underground frost-line. Underground depth dimensions shall be measured from finish top of grade elevation to top of all underground conduits/raceways, typical except under buildings.
i.
26 05 30 - 30 Conduit and Wire
TP-935
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
1) Under non-traffic areas not covered with paving or concrete, not less than 24-inches underground.
2) Under traffic areas including roads and parking areas, not less than 36- inches underground.
3) Under public/private transit system right-of-way and rail-road right-ofway, not less than 48-inches under-ground. j. Conduit crossing existing underground utilities shall cross below the bottom depth of the existing utilities. If the top portion of the existing utility depth below finish grade exceeds 72-inches and the specified separation and depths are maintained when crossing over the top of the existing underground utility, the conduit may cross above the existing underground utility.

Provide long radius horizontal bends (minimum radius of 36-times the conduit diameter) in underground conduits where the conduit is in excess of 100-feet long.

Conduits installed below grade and on grade below buildings, shall not be smaller than 0.75-inch. Conduits for circuits exceeding 600 volts shall not be smaller than 5.0-inches.

Underground conduits entering a building shall be sloped. The conduit direction of slope shall be away from the building and shall prevent water in the conduit from “Gravity Draining” towards the building. The conduit slope “High Point” shall originate from the building, out to the first exterior pullbox, manhole etc. exterior conduit termination “Low Point”. The minimum slope angle shall be a constant 8-inches (or greater) of fall for each 100-feet of conduit length.

Dewatering:
k.
l.
m.
n.
1) Provide pumping to remove, maintain and dispose of all water entering the excavation during the time the excavation is being prepared, for the conduit laying, during the laying of the conduit, and until the backfill at the conduit zone has been completed. These provisions shall apply on a continuous basis. Water shall be disposed of in a manner to prevent damage to adjacent property. Trench water shall not be drained through the construction site. Groundwater shall not be allowed to rise around the pipe until joining compound has firmly set.

The Owner’s Representative shall be notified 48 hours prior to commencement of dewatering.
2)

6. Raceway/Conduits, which are installed at this time and left empty for future use, shall have 0.25-inch diameter polyvinyl rope left in place for future use. The pull rope shall be 500-pounds minimum tensile strength. Provide a minimum of 5- feet of slack at each end of pull ropes.

7. Unless otherwise restricted by Structural Drawings and Specifications, the maximum size conduit permitted in concrete slab on-grade, walls, ceilings and roofs constructed of masonry or concrete shall not be greater than 15% of the concrete/masonry thickness. Conduits installed in these locations shall not cross other conduits.
a. Conduits shall not be installed in cast-in-place concrete floors. 26 05 30 - 31 Conduit and Wire
TP-936
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

8. Provide openings in building structures for conduit penetrations:
a. New construction shall be provided with conduit sleeves, to provide conduit penetrations.

Existing construction shall be drilled (core drill masonry and concrete) and provide conduit sleeves installed after drilling, to provide conduit penetrations.

Where the structure penetrations for underground conduits penetrating through foundations will not comply with the (restriction/penetration) shown in the Contract Documents, install the conduits below and clear of the foundation lowest point.
b.
c.

9. Conduit bends risers and offsets:
a. The minimum bend radius of “Factory or Field” fabricated conduit bends shall not be less than the following. The bend radius shall be measured at the surface, inside radius of the conduit wall:
1) FMC and LTFMC conduit - conduit minimum bend radius 12-times the conduit diameter.

RMC and EMT conduit minimum bend radius - conduit for power circuits over 100-volts and less than 600-volts, 8-times conduit diameter.

Conduit for power circuits over 600-volt, 12-times conduit diameter.

Conduit for low voltage, signal and fiber optic circuits, 10-times conduit diameter.

RNMC conduit - conduit minimum bend radius 36-times the conduit diameter. Under building reduce minimum bend radius to 10-times the conduit diameter. Conduit bends and offsets in RNMC with less than 36-times conduit diameter bend/offset radius shall be RNMC PVC Schedule 80 or PVC coated RGS.

Conduits for Utility Company conductors. Conduit minimum bend radius and separations shall comply with the respective Utility Company Requirements.
2)
3)
4)
b. Bends and offsets in conduits shall be kept to an absolute minimum. The total summation of all bends and offsets permitted in a conduit segment, occurring between two conduit termination/ connection end points, shall not exceed the following, including conduit fittings:
1) RMC and EMT conduit - 360 angular degrees
2) FMC and LTFMC conduit - 180 angular degrees
3) RNMC conduit - 270 angular degrees
c. Each field fabricated conduit offset, bend and elbow which are not the standard product of the Raceway/Conduit Manufacturer shall be mandrel tested. The test shall be conducted after the conduit installation is complete and prior to pulling-in any wire, in the same manner as for underground conduits.

Factory manufactured angle connector conduit fittings shall be installed in exposed conduit locations only. Installation in locations normally concealed from view shall not be permitted. Not more than one factory manufactured d.
26 05 30 - 32 Conduit and Wire
TP-937
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
angle connector shall be permitted in any length of conduit between conduit termination end points.

RNMC conduit risers from below grade shall be PVC coated RGS. Conduit risers, bends or offsets entering into a building shall be PVC coated RGS.

If three or more conduit-bends of the same conduit size and same conduit material type, installed, as part of the Contract Work, fail to comply with the required minimum conduit bend radius or conduit angular degree limits. The following corrective actions shall occur:
e.
f.
1) The Contractor shall remove all the non-complying conduit bends and the respective wire in the conduit from the project site. Provide new conduit and wire, complying with the Contract Documents.

Where the conduit bends similar to the non-complying conduit bends are installed concealed in walls, floors, above ceilings or below grade, the Contractor shall expose the conduit bends to allow visual observation.

The Contractor shall remove the non-complying conduit bends and dispose of the Project Site. The Contractor shall provide new conduit bends and conductors complying with the Contract Documents.

All the costs to correct the deficient material and work along with costs to repair the direct, indirect, incidental damages and Contract delays shall be the sole responsibility of the Contractor and shall be included in the bid price.
2)
3)
4)

10. Expansion joint, deflection joint and seismic joint fittings. a. Provide a conduit expansion fitting for each conduit length and conduit type as follows (Note - The installation of specified combination expansion /deflection fittings at seismic joints shall satisfy this Spacing Requirement also):
1) Conduit Type: RMC and EMT
Conduit: Exposed exterior locations
Fitting Length Spacing: 200-feet intervals
2) Conduit Type: RMC and EMT
Conduit: Interior weather protected locations
Fitting Length Spacing: 400-feet intervals
b. Provide a conduit combination expansion/deflection fitting for each conduit, crossing the following elements:
1) At each building or non-building structure seismic joint. 2) At each building or non-building structure expansion joint. 3) At each conduit penetration of a “Sound-Rated” wall, floor or ceiling.

11. Provide two locknuts and an insulated throat bushing at each metal conduit terminating at enclosures, including but not limited to outlet boxes, junction boxes, terminal cabinets, switchgear, transformers, switchboards, distribution panels and panelboards.
26 05 30 - 33 Conduit and Wire
TP-938
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

12. Provide metallic or plastic closure caps on all conduit ends during construction, until installation of conductors in the respective conduit.

13. Conduit run exposed, shall be run at right angles or parallel to the walls or structures. All changes in exposed conduit directions, either horizontally or vertically, shall be made with conduit bodies. Conduits on exposed beams or trelliswork shall be painted to match surrounding surfaces.

14. Conduit exposed on roof:
a. Conduits installed exposed on roofs shall be installed on conduit sleepers.

Place the conduit sleepers a maximum of 5-feet on center along the entire length of the conduit; under conduit expansion/ deflection fittings; under each junction box and within 24-inches of each conduit bend.

Provide a conduit support “C” channel continuous along the top length of the sleeper and rigidly bolted to the sleeper. Conduits shall be loosely fastened to each sleeper “C” channel with pipe clamps to allow for relative movement between the sleeper and conduit.

Conduits shall not block or interfere with roof hatches, doors, ventilation openings, dampers, equipment access panels/doors, sky-lights, and roof water drainage.

Conduit sleepers shall be fabricated from “clear” solid redwood 4-inches by 4-inches (nominal) size. Sleeper length shall extend a minimum of 9-inches past the conduits attached to the sleeper, but in no case shall the length of the sleeper be less than 24-inches.

Provide a pad under each sleeper; sleepers shall not be installed in direct contact with the roofing. Sleeper pads shall extend a minimum of 6 inches past each side of the sleeper. The sleeper pad shall be semirigid mineral surfaced composition board, not less than 0.375-inch thickness, bituminous impregnated, manufactured for application on the specific roofing material.

Remove roofing “Ballast” (gravel) under pad, prior to installation of sleeper pad. Do not puncture roof membrane.

Position the “Length” of the conduit sleepers’ parallel to the roof slope, slightly-angled to prevent obstruction of roof drainage water flow. Where the conduit routing prevents placing the conduit sleeper parallel to the roof slope, provide two separate sleeper pads for the conduit sleeper, with a continuous 3-inches wide water drainage gap between the sleepers. Align the water drainage gap to allow unimpeded water travel along the roof slope drainage flow line between the pads.

Sleepers and sleeper pads shall be set in nonhardening mastic, a minimum of 0.25-inch thickness. Mastic shall be inorganic, non-hardening, and complying with ASTM-D1227. Mastic shall be applied with continuous uniform coverage, minimum 0.25-inch thickness, on all the surfaces of each conduit sleeper and on the sleeper pad contact surface with the roof. b.
c.
e.
f.
g.
h.

15. Rigid conduit shall not be strapped or fastened to equipment subject to vibration or equipment mounted on shock absorbing bases.
26 05 30 - 34 Conduit and Wire
TP-939
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

16. RMC conduit threads:
a. Machine cut threads on RMC conduit required for field fabrication shall comply with NPS and ANSI-B1.20.1. Galvanized after fabrication.

The length of bare metal exposed during thread fabrication shall be completely covered by conduit couplings and fittings. Additionally, the thread length shall insure that conduit joints will reach “Torque” tightness and become secure before conduit ends “Butt” together and before conduit ends “Butt” into the “Shoulders” of other conduit fittings.

Running threads or right/left-handed threads shall not be used to connect RMC.
b.
c.

17. RNMC conduit:
a. Joints and fittings shall be solvent welded to RNMC conduit. Joints and fittings shall be watertight and airtight after fabrication.

18. Tighten each conduit fittings and fitting appurtenance, to the “Torque” (allowable tolerance r5%) value recommended by the Fitting Manufacturer and applicable Code. If three or more conduit fittings are found to not be in compliance with the Manufacturer’s “Torque” (tightness) recommendations, the following corrective actions shall occur:
a. The Contractor shall tighten “Re-Torque” the defective fittings and all similar conduit fittings installed as part of the Contract Documents in the presence of the Owner’s Representative.

If the respective conduit fittings similar to the deficient “Torque Tightness” fittings are installed concealed in walls, floors, above ceilings or below grade, the Contractor shall expose the fitting, to allow retightening each similar conduit fitting to the Manufacturers recommended “Torque” values.

All the cost to repair the direct, indirect, incidental damages and Contract delays resulting from complying with these Requirements shall be the sole responsibility of the Contractor and shall be included in the bid price. b.
c.

19. Horizontal directional boring for underground conduit:
a. Provide a directional guided horizontal “bore-hole” underground conduit installation where one or more of the following conduits occur:
1) Continuous trenching excavation and backfill for conduit installation is not permitted by the Contract.
2) Where continuous trenching excavation due to the existing surface and below grade conditions and restrictions, is not possible or practical to excavate a trench.
b. Provide “Path-Tracing” of the underground bore head, from the surface, along the entire horizontal bore length. Path tracing shall use electronic transmitters and receivers, continuously communicating the underground bore head locations and depth to the bore equipment operator. The directional boring system shall employ active tracking and directional position/steering control of the bore equipment drill head location. The 26 05 30 - 35 Conduit and Wire
TP-940
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
active tracking system shall provide a portable receiver/transmitter unit for tracking the position of the moving drill head; a sensor “Sonde” unit on the drill head for tracking signals to the receiver /transmitter; and a drill head tracking data view display located at the boring equipment operator position to view the drill head position information sent from the portable receiver/ transmitter. As manufactured by SPX-Radiodetection Company or similar products.

Provide vertical pilot excavations not more than 50 feet on center along the path of the borehole to intercept the horizontal bore-hole routing, provide excavations at the beginning and end terminals staging points of the horizontal borehole.

Provide full depth “Shoring” of the vertical pilot excavations. Remove the shoring, backfill, compact and repair the excavations when conduit installation is complete.
“Drilling-fluid” shall be used during “Back-reaming” and “Pullback”, pumped through the drill pipe to the bore drill head.

Directional guided horizontal drilling shall employ equipment specifically designed and manufactured for the process. The Equipment Manufacturer shall train bore equipment operating personal in the proper operation of said equipment.

Locate the position, size, depth and identify all underground “Cross-Bore” existing underground utilities, pipes, structures and conflicts along the entire bore path of each underground bore, prior to initiating directional boring work. Notify respective Agency for each “Cross Bore” potential crossing.

Comply with the recommendations of the Cross Bore Safety Association (CBSA).

Horizontal, directionally guided boring equipment, as manufactured: by Ditch Witch; Vermeer Manufacturing; or Case Corporation. c.
d.
e.
f.
g.
h.

J. Conduit Seals

1. Provide conduit seal fittings at each location where a conduit transitions or passes through the following areas and where indicated on the Drawings:
a.
b.

Refrigerated areas.

Temperature control rooms including warming rooms, steam rooms, saunas etc.

Classified hazardous material areas.

Water intrusion areas.
c.
d.

2. Provide conduit seals on each conduit entering a building from a below grade area located outside the building (i.e., basement, vault etc.) and connecting to the following types of equipment
a.
b.
c.
d.
e.
f.
g.

Transformers
Panelboards
Motor control centers
Switchboards
Switchgear
Motors
Terminal cabinets
26 05 30 - 36 Conduit and Wire
TP-941
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
h.
i.

Terminal backboards
Cable trenches

3. Conduit seals shall be installed in locations to ensure the fitting is visible and accessible.

K. Conduit Bodies

1. Conduit bodies shall be installed in exposed conduit locations only or above accessible ceilings.

2. Conduit bodies shall be accessible for removing body cover and pulling wire through the conduit body.

3. Conduit bodies shall not be installed inside enclosed walls.

L. Preparation of Reuse of Existing Conduits

1. Prepare existing conduits shown to be reused as part of Contract Work as follows: Complete the required work prior to installing any conductors or cables in respective existing conduits.
a. “Rod” out existing raceways to be used under this contact, with approved test and flexible mandrels to remove all obstructions to clear debris from inside conduits.

Use test mandrels at least 12-inches long, 0.25-inch less than diameter of duct at center, tapering to 0.5-inches less than duct size at ends. b.

2. If test mandrels cannot be pulled through raceways, Contractor shall perform the following to clear the existing raceways:
a. Force rigid or semi-rigid rods through the raceways to clear the obstructions from one to both ends of the raceway.

Force a power-driven rotating router device through the conduit from one or both ends of raceways. Device shall incorporate small diameter cutting blades. Repeat the “Router” process in incremental stages to a cutting blade diameter approximately ⅛-inch smaller than the raceway inside diameter. b.

3. After clearing the raceway of obstructions, pull a test mandrel or brush through the raceway to clear the remaining debris from the raceway.

3.4 WIRE AND CABLE
A. Branch circuit and fixture joints for #10AWG and smaller wire shall be made with ULapproved connectors listed for 600 volts, approved for use with copper and/or aluminum wire. Connector to consist of a cone-shaped, expandable coil spring insert, insulated with a nylon shell and two wings placed opposite each other to serve as a built-in wrench or shall be molded one-piece. As manufactured by 3M-"Scotchlok".

B. Branch circuit joints of #8AWG and larger shall be made with screw pressure connectors made of high strength structural aluminum alloy and UL-approved for use with both copper and/or aluminum wire as manufactured by Thomas & Betts. Joints 26 05 30 - 37 Conduit and Wire
TP-942
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
shall be insulated with plastic splicing tape, tapered half-lapped and at least the thickness equivalent to 1.5-times the conductor insulation. Tapes shall be fresh and of quality equal to Scotch.

C. Use UL listed pulling compound for installation of conductors in conduits.

D. Correspond each circuit to the branch number indicated on the panel schedule shown on the Drawings except where departures are approved by the Owner’s Representative.

E. All wiring, including low voltage, shall be installed in conduit.

F. Control wiring to conform to the Wiring Diagrams shown on the Mechanical Drawings and the Manufacturer's Wiring Diagrams.

G. All splices in exterior pullboxes and light poles shall be cast resins encapsulated.

1. Power conductor splices as manufactured by 3M Scotchcast Series 82/85/90; or Plymouth; or equal.

2. Control and signal circuits as manufactured by 3M Scotchcast Series 8981 thru 8986; or Plymouth; or equal.

H. Neatly group and lace all wiring in panelboards, switchboards, motor control centers and terminal cabinets with plastic ties at 3-inches on centers. Identify and tag all spare conductors.

3.5 MC CABLE INSTALLATION
A. General

1. MC cable shall not be “Spliced” or coupled directly to any other conduit type under any circumstance.

2. MC cable shall not be installed exposed. Where exposed installation occurs, provide a conduit to completely enclose and protect the MC cable. The inside diameter of the conduit shall be sized 1.6-times the outside diameter of the MC cable. The conduit type and installation methods shall comply with the Contract Documents.

3. MC cable shall be continuous length between end point terminations, without intermediate splices or junctions.

4. MC cable shall be supported and attached. MC cable supports and attachments shall be the same as Contract Document Requirements for conduit, with the following exceptions:
a. Support at not more than 3-feet intervals along the entire length of the MC cable.

Support within 12-inches of each bend or change of direction.

Support within 12-inches of each termination entrance.
b.
c.
26 05 30 - 38 Conduit and Wire
TP-943
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
d. MC cables shall not be bundled. Provide “stack-supports” to separate parallel MC cables.

5. The minimum installed bending radius shall not be less than 8-times the outside diameter of cable assembly, as measured at the inside radius cable jacket surface.

6. Cable lengths of less than 6-feet shall not be permitted.

7. MC cable shall be installed and terminated to comply with Manufacturer’s recommendations.

B. Permitted Applications

1. MC cable may be provided only for electric power circuits and where complying with all of the following conditions:
a. Circuits operating online to ground 60Hz AC circuit voltages, exceeding 100 volts and less than 500 volts.

The full load ampere rating and circuit conductor quantities of the proposed MC cable shall be equal to or greater than the full load ampere rating for the conduit and wire conductors shown on the Contract Drawings.

The electrical circuit voltage drop of the proposed MC cable shall be equal to or less than for the conduit and wire conductor sizes shown on the Contract Drawings.

The conductor sizes in MC cable shall not be smaller than the conductor sizes described for conduit and wire installations.

MC cable shall not be permitted on circuits with more than one phase conductor per phase.

MC cable circuits or portions of MC cable circuits shall not be connected to wiring devices, lighting equipment or motors. MC cable shall not be permitted for circuit wire sizes #4AWG or smaller.
b.
c.
d.
e.
f.

2. MC Type cable may only be installed in the following locations in areas that do not contain classified hazardous materials (MC cables without PVC jacket):
a. Concealed in hollow non-masonry metal stud frame and wood stud frame fully enclosed walls.
b. Concealed above fully enclosed ceiling spaces.

3. MC cables with PVC jacket may only be installed in the following locations:
a.
b.

Underground installation locations.

MC cable installed below grade shall be not less than #4AWG conductor size.

The Underground Installation Requirements for MC cable shall be the same as for conduit and wire systems including but not limited to trenching, burial depth, circuit separation, supports, concrete encasement, etc.

MC cables shall not be installed below areas with classified hazardous materials.
c.
d.
26 05 30 - 39 Conduit and Wire
TP-944
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3.6 CABLE RACKS
Provide cable racks in precast and cast-in place concrete pullboxes, manholes and cable trenches.

3.7 TESTING
A. Testing Conduit and Conduit Bends
The Contractor shall demonstrate the usability of all underground raceways, and field fabricated conduit bends installed as part of this Contract.

1. A round tapered segmented semi-rigid mandrel with a diameter approximately ¼- inch smaller than the diameter of the raceway, shall be pulled through each new raceway.

2. The mandrel shall be pulled through after the raceway installation is completed.

Conduits which stub-out only, may have the mandrel pulled after the concrete encasement is completed, but prior to completing the backfill.

3. Owner’s Representative shall witness the raceway testing for usability. A Representative of the respective Utility Company shall witness the raceway testing where applicable.

4. Contractor shall repair/replace any conduit and conduit bend provided under this Contract which will not readily pass the mandrel during this test.

END OF SECTION 26 05 30
010423/535050
26 05 30 - 40 Conduit and Wire
TP-945
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 24 13

SWITCHBOARDS
PART 1 - GENERAL

1.1 SCOPE
A. Work Included: All labor, materials, appliances, tools, equipment necessary for and incidental to performing all operations in connection with furnishing, delivery and installation of the work of this Section, complete, as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Specification Sections and Drawings for related work required to be included as work under Division 26.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. Provide Schematic "ladder type" logic control wiring diagrams and "point-to-point control wiring diagrams showing control and protective systems interlocks.

B. Provide Nameplate Engraving Schedule.

C. Submit Full-Scale Time/Current Transparencies on Log/Log Paper for all Fuses, circuit breakers, ground fault system devices, and relays.

D. Short Circuit and Arc-Flash

1. Perform and submit engineered settings for each fuse and adjustable circuit breaker device, showing the correct time and current settings to provide the coordination within the limits of the specified equipment, per the latest applicable Standards of IEEE and ANSI. Provide Electric Arc-Flash calculations as part of the Coordination Study recommendations. The information shall be submitted in tabular form with an engineering narrative, six copies. Obtain the necessary information to complete the calculations from the serving electrical utility company.

2. The goal is to minimize an unexpected but necessary electrical system outage and personnel exposure to the smallest extent possible within the fault occurrence location, using the specified Contract Equipment, including but not limited to:
a. IEEE-242, Recommended Practices for Protection and Coordination of Industrial and Commercial Distribution.

IEEE-1584, Guide to Performing Arc-Flash Hazard Study.

CEC/NEC
b.
c.

E. Factory Tests: Switchgear Tests - ANSI C37.20. Certified copies of design tests, production tests, and conformance tests of the switchgear shall be submitted and 26 24 13 - 1 Switchboards
TP-946
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
review comments shall be received before delivery of equipment to the project site.

In lieu of the above tests, a report of these tests previously performed on identical units of each rating will be acceptable.

1.3 APPLICABLE STANDARDS
A. The Switchgear Equipment shall be Designed, Tested and Assembled to comply with ANSI, IEEE, and NEMA and UL.

B. Equipment Components/Devices, Switchboards, and/or Switchgear shall be manufactured by: General Electric, Eaton, Square–D, or Siemens.

PART 2 - PRODUCTS

2.1 BUSSING
A. Horizontal and Vertical Busses shall be full lengths in each Equipment Section.

Buses shall have a minimum withstand rating equal to available fault current indicated on Drawings, but in no case shall the rating be less than 42,000-amp, symmetrical.

B. Provide Interconnected Full Capacity Neutral Bus in each Section with the same ratings and construction as the phase busses.

C. Provide Interconnected Ground Bus in each Section.

D. Provide Space and all Hardware and Mounting Attachments for future devices as indicated on the Drawings.

E. Main Horizontal Bussing shall be full capacity in all Switchboard Sections.

F. Vertical Buss may be Tapered, to not less than 1/3 the ampacity is of the Main Horizontal Buss; but in no case shall the vertical buss be of less capacity than the sum of the frame size ampacities of overcurrent devices mounted in the respective Sections including any indicated spares and spaces.

G. The Switchboard Bussing shall be of sufficient cross-sectional area to meet UL Standard 891 on temperature rise Bus shall be copper with silver plated bus joints or extruded aluminum with tin plated bus joints. The through bus shall have provisions for the addition of future Sections. The through bus supports, connections and joints are to be bolted with grade 5 hex head bolts and Belleville washers to minimize Maintenance Requirements.

2.2 CIRCUIT BREAKERS
A. General

1. Circuit protective devices as indicated on the Drawings. All devices shall have an interrupting capacity not less than the maximum available fault current at the circuit breaker as indicated on the Drawings, but in no case shall the interrupting capacity be less than 65,000-amp symmetrical interrupting for 480/277-volt devices and 42,000-amp symmetrical for 240 volt or 208/120 volt devices. 26 24 13 - 2 Switchboards
TP-947
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Provide padlock-off devices on each device. Breakers shall provide time overcurrent and instantaneous circuit protection.

3. Circuit breakers shall employ a stored energy, quick make-quick break, and trip free operating system on each phase, with common trip. Breakers shall comply with UL 489 and NEMA AB1 latest revisions.

4. Circuit breakers noted as "100%" on the Drawings shall be tested and rated to carry the breaker full rated (100%) ampere load continuously including the assemblies the circuit breakers are installed into.

5. Provide conductor lugs on circuit breakers to accept conductor sizes and quantities shown on Drawings.

6. Electrical equipment including switchgear, switchboards, electric panels and control panels, motor control centers, combination motor starters, trans-formers, disconnects, etc., shall each be labeled by the Manufacturer with “Electric-ArcFlash” warning signs. The signs shall explain a hazard to personnel may exist if the equipment is worked on while energized or operated by Personnel while energized. The sign shall instruct personnel to wear the correct Protective Equipment/clothing (PPE) when working “Live” or operating “Live” electrical equipment and circuits.

B. Performance Requirements for Circuit Breakers Conforming to one or more of the following applications:
x
x
x
x
600-amp or larger frame size.

Larger than 400-amp trip.

Service entrance in main switchboard.

Noted as main circuit breakers on the Drawings.

1. Circuit breaker shall employ current sensors and static electronic automatic trip system. Three phase or single-phase operation as noted on the Drawings.

Current carrying components shall be completely isolated from the static trip units. The trip unit shall be independent of external power sources. Circuit breaker shall be UL listed for reverse connection.

2. Breaker solid state trip control functions shall provide the following field adjustable features.
a. Adjustable ampere setting to vary the continuous current carrying capacity, minimum range of 80% thru 100% of full load trip rating.

Adjustable long-time delay setting to vary the time the breaker will trip under sustained overload conditions. Minimum of three settings, "minimum - intermediate - maximum".

Adjustable short-time pickup to vary the level of high current the breaker can carry for short periods of time, minimum range of 2 times thru 8 times of ampere setting.

Adjustable short time delay to vary the time of the short-time pickup.

Minimum of three settings "minimum-intermediate-maximum". b.
c.
d.
26 24 13 - 3 Switchboards
TP-948
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
e. Short time "I2t" switch to allow a current-squared multiplied by time ramp function in the short-time system. Two position setting "in-out".

Adjustable instantaneous pickup to vary the breaker ampere setting for immediate (instantaneous) interruption of severe overloads (short circuits).

Adjustable minimum range of 2.0 times thru 9 times of circuit breaker ampere sensor rating (note where the coordination study requires a higher instantaneous setting, change the specified adjustable instantaneous trip to fixed instantaneous trip at 15 times the breaker ampere sensor setting).

Individual fault trip indicators shall provide local indication on the breaker for overload and short circuit (and ground fault where applicable) conditions.

Provide one Manufacturer standard test set for solid state trip circuit breakers.
f.
g.
h.

3. Arc Energy Reduction
a. Where the highest continuous current trip setting for which the actual overcurrent device installed in a circuit breaker is rated or can be adjusted is 1,200-amp or higher the following shall apply:
1) Documentation. Documentation shall be available to those authorized to design, install, operate, or inspect the installation as to the location of the circuit breaker(s).

Method to Reduce Clearing Time. One of the following or approved equivalent means shall be provided:
a) Zone-selective interlocking
b) Differential relaying
c) Energy-reducing maintenance switching with local status indicator d) Energy-reducing active arc flash mitigation system
e) An approved equivalent means
2)
C. Performance Requirements for Circuit Breakers Conforming to one or more of the following applications:
x
x
x
x
Smaller than 600 amp frame size.
400 amp and smaller trip.
225 amp and larger frame size.

Larger than 100 amp trip.

1. Circuit breaker shall be molded case thermal-magnetic or solid-state trip.

Thermal-magnetic circuit breakers shall be furnished with field adjustable, instantaneous magnetic trip element.

2. Solid state trip breakers shall conform to the Requirements described for solid state breakers larger than 400 amp trip except, only the following field adjustments are required;
a. Ampere setting adjustable minimum range of 80% thru 100% of full load trip rating.

Short time pickup adjustable minimum range of 2 times thru 8 times of the ampere setting.
b.
26 24 13 - 4 Switchboards
TP-949
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
c. Fixed or field adjustable instantaneous trip.

D. Performance Requirements for Circuit Breakers Conforming to the following applications:
x
x
100 amp frame size and smaller.
100 amp and smaller trip.

1. Circuit breaker shall be molded case thermal-magnetic trip.

E. Series Rated Circuit Breakers (SR)

1. Performance Requirements for circuit breakers conforming to the following applications:
a. 400 amp and smaller trip and identified as Series Rated (SR) on the Drawings. Circuit breakers shall be UL listed for series rating with all downstream circuit breakers.

2.3 SWITCH AND FUSE FEEDER PROTECTIVE DEVICES
A. Fusible Switches: Quick-make, quick-break type with rejection clips for use with Class "R" fuses. Switches with ratings up to and including 100-amp at 240 volts shall be twins mounted. Switches rated through 60-amp and 480 volts shall be twins mounted. Switches shall be removable from front of switchboard without disturbing adjacent units or switchboard bus structure.

B. Fuses shall be time delay current limiting types, UL Class RK-1 unless otherwise indicated on the Drawings. Provide one spare set of fuses of each size and type in each switchboard.

2.4 MAIN SWITCHBOARDS
A. Switchboard shall be floor-mounted, dead-front, dead-rear type, front and rear aligned, self-supporting, consisting of one or more Vertical Sections with group mounted non-drawout circuit protective devices, instrumentation and control wiring as indicated on the Drawings and as specified herein.

B. Switchboard shall be designed, built and tested in accordance with applicable portion of the latest editions of NEMA PB-2, Underwriters Laboratories No. UL-891 and the National Electrical Code.

C. Switchboard Sections shall be floor standing self-supporting, of the universal frame type using die-formed, 12-gauge steel members bolted and welded together. Provide removable side and rear plates with formed edges all around. Provide ventilation openings required maintaining minimum operating temperature. Provide removable steel cover plates for all usable device spaces. Provide lifting means and provisions for moving by means of rollers or skids to installation location. Bolt individual Sections together to form a single rigid switchboard assembly. Provide full height, hinged, vertical wireway metal covers, on each vertical wireway, of each Distribution Section of the switchboard, containing group mounted feeder protective devices. 26 24 13 - 5 Switchboards
TP-950
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
D. Switchboard shall include, but not be limited to, the following:

1. Underground Pull Section as required by the serving utility incoming service.

2. Metering facilities as required by the serving utility.

3. Current transformer space.

4. Main disconnects.

5. Distribution and feeder circuit protective devices.

6. Owner metering (where indicated on Drawings).

7. Bussing, incoming utility compliant and distribution.

2.5 DISTRIBUTION SWITCHBOARDS
A. Switchboards shall be floor mounted, dead-front, dead-rear type, front and rear aligned, self-supporting, consisting of one or more Vertical Sections with group mounted circuit protective devices, instrumentation and control wiring as indicated on the Drawings and as specified herein. Switchboards shall comply with UL Standard #UL-891.

B. Distribution switchboards shall include but not be limited to the following:

1. Main disconnects (where indicated on Drawings).

2. Feeder protective devices.

3. Owner metering (where indicated on Drawings).

4. Bussing.

C. Switchboard Sections shall of the universal frame type using die-formed, 12 gauge steel members bolted and welded together. Provide removable side and rear plates with formed edges all around. Provide ventilation openings required maintaining minimum operating temperature. Provide removable steel cover plates for all usable device spaces. Provide lifting means and provisions for moving by means of rollers or skids to installation location. Bolt individual Sections together to form a single rigid switchboard assembly. Provide full height, hinged, vertical wireway metal covers, on each vertical wireway, of each Distribution Section of the switchboard, containing group mounted feeder protective devices.

2.6 CONTROL WIRING
A. Terminal Blocks with Barriered Terminals shall be provided for all control wiring terminator points. Control wiring shall be run in horizontal and vertical, isolated, internal metal wireways and shall be carried across hinges in laced bundles. Wire terminators shall be crimp-on type spade terminal
26 24 13 - 6 Switchboards
TP-951
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Secondary Control Wiring shall be a minimum of 14 AWG stranded copper type SIS 600-volt insulation.

C. Control Circuits shall have circuit number tags at each termination or break in the wire to match circuit numbers on terminal strips and control wiring diagrams.

PART 3 - EXECUTION

3.1 INSTALLATION
Install switchboards in accordance with Manufacturer's written instructions and applicable portions of NECA's "Standards of Installations" for switchboards and motor control centers.

3.2 SWITCHBOARD ANCHORING
Bolt switchboards to floor and wall where wall exists. Where units are free standing provide preformed steel channel or angle iron bracing to nearest wall or building structural member. Switchboard anchoring shall be designed for a 1.0 gravity lateral acceleration of the equipment. Submit structural calculations and details.

3.3 TESTING (ADDITIONAL REQUIREMENTS)
Adjustable settings shall be set and tested after the equipment installation is complete, for proper operation at set pickup and/or drop-out points, by an independent Test Laboratory.

Testing shall comply with the Equipment Manufacturer recommendations. Submit three copies of all test results to OWNER’S Representative. Correct any deficiencies and retest.

3.4 IDENTIFICATION (ADDITIONAL REQUIREMENTS)
A. Provide a Red and White Bake-lite Nameplate with ½-inch High Letters in each Section Fastened to Face of Dead-Front Plate, to Read: "Danger 480 (actual volts) volts, KEEP OUT, AUTHORIZED PERSONNEL ONLY".

B. Manufacturer shall stencil the equipment name on each device and equipment section to correspond to the identification of the Drawing.

C. Devices Mounted in Equipment Controlling Protective Devices shall be provided with nameplates indicating device controlled or monitored.

END OF SECTION 26 24 13
010423/535050
26 24 13 - 7 Switchboards
TP-952
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 24 16

PANELBOARDS AND TERMINAL CABINETS
PART 1 - GENERAL

1.1 SCOPE
A. Work Included: All labor, materials, appliances, tools, equipment necessary for and incidental to performing all operations in connection with furnishing, delivery, and installation of the work of this Section, complete, as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Specification Sections and Drawings for related work required to be included as work under Division 26.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. Provide Manufacturers catalog data for panels, cabinets, and circuit breakers.

B. Provide Shop Drawing showing panel circuit arrangements, size, voltage, ampacity, overcurrent protective devices, etc.

C. Provide nameplate engraving schedule.

D. Short Circuit, Coordination and Arc-Flash

1. Perform and submit engineered settings for each equipment location, fuse and adjustable circuit breaker device, showing the correct time and settings to provide the selective coordination within the limits of the specified equipment, per the latest applicable Standards of IEEE and ANSI. Provide electrical system short circuit fault analysis, both 3-phase line-to-line and 1-phase line-to-ground calculations as part of the Coordination Analysis recommendations. Provide Electric Arc-Flash calculations as part of the Coordination Analysis recommendations.

2. The information shall be submitted in both tabular form and on time current loglog graph paper, with an engineering narrative. Written narrative describing data, assumptions, analysis of results and prioritized recommendations, six copies.

3. The goal is to minimize an unexpected but necessary electrical system outage and personnel exposure to the smallest extent possible within the fault occurrence location, using the specified Contract equipment. Shall comply with, but not limited to:
a. IEEE-242, Recommended Practices for Protection and Coordination of Industrial and Commercial Distribution.

IEEE-399, Recommended Practice for Industrial and Commercial Power System Analysis.
b.
26 24 16 - 1 Panelboards and Terminal Cabinets
TP-953
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
c. IEEE-1584, Guide for Performing Arc-Flash Hazard Calculations Working Group
d. CEC/NEC

4. Electrical equipment including switchgear, switchboards, electrical panels, and control panels, transformers, disconnects, etc., shall each be labeled by the Manufacturer with “Electrical-Arc-Flash” warning signs. The signs shall explain a hazard to Personnel may exist if the equipment is worked on while energized or operated by personnel, to wear the correct protective equipment/clothing (PPE) when working “Live” or operating “Live” equipment and circuits.

5. The Contractor shall independently contact the serving Utility Company to obtain the current system short circuit amps or available fault current.

6. The Contractor shall independently obtain As-Built Drawings for the existing infrastructure to establish lengths. If As-Built Drawings are no available, the Contractor shall research existing conditions and make reasonable but conservative estimates of conductor length. Where existing conductors have been re-used, the Contractor shall confirm conductor quantity, size, and conduit type.

PART 2 - PRODUCTS

2.1 PANELBOARDS AND DISTRIBUTION PANELS
A. Shall be flush or surface mounting as indicated with group -mount circuit protection devices as shown on panel schedule, hinged lockable doors, index cardholders and proper bussing.

1. Panelboards shall comply with the latest versions:
a.
b.
c.
d.

NEMA – PB1.

UL – 50 and 67.

CEC/NEC.

ASTM-B187.

2. Where indicated on the Drawings shall be furnished with sub-feed breakers and/or additional conductor lugs, split bussing, contactors, time switches, relays, etc., as required.
a. Branch circuit panels up through forty-two circuits shall be single section, to accommodate all the circuits and components.

Distribution panels shall be single section or multi-section, to accommodate all the circuits and components.
b.

3. Panels shall be “Service-Entrance” equipment rated when the panel main incoming supply feeder originates from one of the following:
a. Originates outdoors exterior of the building in which the respective panel is located.
26 24 16 - 2 Panelboards and Terminal Cabinets
TP-954
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. Originates from an electrical supply source not located in the same building as the respective panel.

B. Housing and Painting, Panels and Terminal Cabinets

1. Shall be finished with one coat of rust inhibitor zinc chromate and coat of primer sealer after a thorough cleaning.

2. Finish color paint as selected by Owner’s Representative where exposed to public view (e.g., corridors, covered passages, offices, etc.). Prime coated panelboard shall be painted to match surroundings after installation in public areas.

3. Manufacturer’s standard color in electrical rooms /closets, janitor's, HVAC and storage rooms.

4. Panel and panel doors shall be fabricated of sheet steel of the following minimum gauges.
a.
b.
c.

Full height hinged, locking door. Trim and door #12-gauge steel.

Panel enclosure - Code gauge steel.

Panels installed in indoor dedicated electrical equipment rooms and dedicated electrical equipment closets, may omit full height hinged locking panel door. Dead front cover behind omitted panel door shall remain.

5. NEMA-1 Metal Housing, for indoor locations.

6. NEMA-3R Metal Housing, tamper resistant, for outdoor locations.

7. Furnish all panels and terminal cabinets with the Manufacturers flush locks and keys except where indicated otherwise herein. Keys and locks shall be interchangeable for all panels. Provide two latches and two locks for door heights exceeding 36-inches.

8. Fasten the trim to panel and terminal cabinets by means of concealed, bolted or screwed fasteners accessible only when the door is open.

C. Panels 208/120 volt, three phase, 4-wire, S/N or 120/240-volt, single phase, 3-wire, S/N.

Branch circuit panel as manufactured by:

1. Eaton “Pow-R-Line 1 or 2” Series

2. General Electric "A" Series

3. Square D “NF/NQ” Series

4. Siemens “P1/P2” Series
26 24 16 - 3 Panelboards and Terminal Cabinets
TP-955
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
D. Branch circuit panels for 480/277 volt, three phase, 4 wire, S/N.

Panelboard as manufactured by:

1. Eaton “Pow-R-Line 2” Series

2. General Electric “A” Series

3. Square D “NF” Series

4. Siemens “P1/P2” Series
E. Distribution panels as manufactured by:

1. Eaton “Power-R-Line 4” Series

2. General Electric “Spectra” Series

3. Square D “I-Line” Series

4. Siemens “P4/P5” Series
F. Top and bottom gutter space shall not be less than 6-inches high. Provide 6-inches additional gutter space in all panels where double lugs are required, or where cable ampere size exceeds bus ampere size. Provide 12-inches additional gutter space in all panels for aluminum feeders where used.

G. Panel dimensions.

1. Panels with buss sizes 50-amp thru 400-amp
a.
b.

Shall be 20-inches wide. Surface or flush mounting as indicated.

Recess mounted type shall have a 20-inches wide (maximum) recess metal enclosure with overlapping edge trim plate cover extending 1-inch on all sides of enclosure.

Depth shall be 5.75-inches nominal. Height of panel as required for devices and terminations.
c.

2. Panels with buss sizes greater than 400-amp
a. Narrow panels 24-inches (maximum) wide by 6.5-inches (maximum) deep units. Wide panels’ 25-inches to 44-inches (maximum) wide by 8-inches to 15-inches (maximum) deep units. Nominal 90-inch panel height.

The wider units shall be used only at locations where the narrow unit is not available with the quantity or size of large-ampere frame branch / sub-feed circuit protective devices shown on the panel schedules, or where the main breaker size exceeds the narrow panel maximum.

Distribution panels shall be floor standing and supported from behind the panels at walls.
b.
c.
26 24 16 - 4 Panelboards and Terminal Cabinets
TP-956
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
H. Distribution panels and branch circuit panels maximum load rating

1. Panelboards and Distribution Panels exceeding 800-amp load rating shall not be permitted.

2. Provide Distribution Switchboards instead of Distribution Panels for bus load and circuit load ratings exceeding 800-amp.

I. Panel Auxiliary Cabinets

1. Panelboards shown on the Drawings with relays, time clocks or other control devices shall have a separate auxiliary metal barriered compartment mounted above panel.

2. Panelboards with circuits controlled by low voltage remote control relays shall be provided with separate auxiliary cabinets to contain the relays, adjacent to the panelboard.

3. Provide auxiliary cabinets with separate hinged locking door to match panelboard.

4. Provide mounting subbase in cabinet for control devices and wiring terminal strips.

J. Panels shall have a circuit index cardholder removable type, with clear plastic cover.

Index card shall have circuit numbers imprinted to match circuit breaker numbers.

1. The panel identification nameplate shall describe the respective panel name and voltage, corresponding to the Contract Documents.

2. The electrical power source, name and location of each panel supply-feeder and supply equipment name shall also be identified and described on the respective panel nameplate.

2.2 SHORT CIRCUIT RATING
A. Circuit protective devices and bussing as indicated on the Drawings. All devices and bussing shall have a short circuit fault withstand and interrupting capacity not less than the maximum available fault current at the panel and as indicated on the Drawings, plus a 25% additional capacity (safety margin). However, in no case shall the short circuit fault interrupting and withstand capacity be less than the following symmetrical short circuit.

C/B and/or Bus Rating Circuit Voltage Short Circuit Amp.

1. 400A and less 240V and below 10,000A

2. 400A and less over 240V and below 600V 14,000A

3. Over 400A & 800A & below 240V and below 42,000A

4. Over 400A & 800A & below over 240V and below 600V 30,000A 26 24 16 - 5 Panelboards and Terminal Cabinets
TP-957
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Panel Short Circuit Fault Rating

1. General
a. Provide a “fully rated” for short circuit fault interrupt and full load ampere main circuit breaker in each branch circuit panel and/or each distribution panel. Provide the main circuit breaker whether or not a main circuit breaker is shown otherwise on the Drawings, schedules or diagrams. The “utilitysource” plus the “motor-load” transient contributions shall be used to establish the available fault duty values, unless indicated otherwise on the Drawings.

The panel main circuit breaker full load ampere capacity rating shall equal the respective panel main bus ampere rating.

The panel assembly, buss and circuit protection devices bolted fault short circuit withstand and bolted fault short circuit interrupt ratings shall not be less than 125% greater (including a 25% safety margin) than the available utility-source symmetrical and asymmetrical bolted fault short circuit current when “Series combined rated” with the panel main circuit breaker.

The main circuit breaker rated “bolted-fault” short circuit fault interrupt and withstand short circuit rating shall not be less than 125% (including a 25% safety margin) of the upstream main service entrance “bolted-fault” available (symmetrical and asymmetrical) short circuit current.
b.
c.
d.

2. Distribution Panelboards
a. Distribution panel, main circuit breaker, all feeder circuit breakers, and all branch circuit breakers shall be “fully-rated” (plus safety margin) for the available bolted fault short circuit current (including safety margin).

Shall provide time/current-tripping coordination with downstream equipment and upstream equipment.
b.

3. Non-emergency branch circuit panelboards 400-amp buss and smaller; Nonemergency branch circuit panelboards 400-amp trip main circuit breaker and smaller.
a. The branch circuit panel main circuit breaker shall be “fully-rated” (plus safety margin) Current Limiting Circuit Breaker type (CLCB). Shall provide time/current- tripping coordination with upstream equipment.

The branch circuit panel main circuit breaker shall be “Series-rated” with the panel downstream branch circuit devices and panel bussing. “The seriesrating” shall provide short circuit bolted fault current with-stand protection and short circuit bolted fault interrupt rating protection during a downstream 3-phase line-to-line and/or single-phase line-to-ground short circuit bolted faults.

Typical for branch circuit panelboards connected to normal-power (nonemergency) power circuits. b.
c.
26 24 16 - 6 Panelboards and Terminal Cabinets
TP-958
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2.3 PANEL CIRCUIT BREAKERS, CIRCUIT PROTECTION DEVICES
A. Circuit Breakers General, for Distribution Panels and Panelboards

1. NEMA-AB1 and AB3, comply with latest revision.

2. UL-1087, UL-489 and IEC-60.947.2 rated devices, comply with latest revision.

3. 5Hz AC closing and 3Hz AC trip and clear.

4. Main circuit breakers for distribution panels exceeding 400-amp and larger. a. Shall be Insulated Case Circuit Breaker type ICCB.

5. Main circuit breakers for branch circuit panelboards 400-amp buss and smaller. a. Shall be Current Limiting Circuit Breaker type-CLCB for non-emergency panelboards.

Shall be Molded Case Circuit Breaker type-MCCB for emergency panelboards.
b.

6. Branch circuit breakers and feeder circuit breakers smaller than 100-amp trip shall be Molded Case Circuit Breakers type-MCCB and/or Current Limiting Circuit Breakers type-CLCB.

7. All circuit breakers 100-amp and larger trip shall employ sensors and solid state digital electronic automatic trip system. Short-time and long-time. Time/ current curve shaping field adjustable functions and adjustable instantaneous trip.

Typical for Molded Case Circuit Breaker type-MCCB, Insulated Case Circuit Breaker type-ICCB and Current Limiting Circuit Breaker type-CLCB.

8. Refer to Specification Section 26 24 13 and/or 26 11 00 for additional Circuit Breaker Requirements.

B. Manufacturer

1. Circuit breakers as manufactured by the following Companies only are acceptable:
a.
b.
c.
d.

Eaton
General Electric Co.

Square D Co.

Siemens
C. Configuration

1. Circuit breakers shall be arranged in the panels so that the breakers of the proper trip settings and numbers correspond to the numbering in the panel schedules on the Drawings.

2. Circuit numbers of breakers shall be black-on-white micarta tabs or other previously approved method. Circuit number tabs, which can readily be changed 26 24 16 - 7 Panelboards and Terminal Cabinets
TP-959
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
from front of panel, will not be accepted. Circuit number tabs shall not be attached to or be a part of the breaker.

3. Panelboard circuit protection devices shall be bolt on type for connection to panel bus. Removable and installable without disturbing adjacent devices.

4. Provide conductor wire terminations (lugs) on each circuit protection device for incoming main feeder, branch circuits and outgoing feeder circuits. Dual rated copper/aluminum and compatible with the respective conductor size, type and quantity.

5. Where 2-pole or 3-pole breakers occur in the panels, they shall be common trip units. Single pole breakers with tie-bar between handles will not be accepted.

6. Branch circuit panels shall be field convertible for bottom entry main incoming feeder or top entry main incoming feeder.

7. Each panel section, the feeder and branch circuit protection devices (3-phase and/or 1-phase) shall be “twin-mount”, side-by-side double row construction for the following circuit sizes:
a.
b.
480/277 volt, 60-amp circuit size and smaller.
240 volt – 208/120-volt, 100-amp circuit size and smaller.

D. Lock-Off and Lock-On

1. All circuit breakers shall be pad-lockable in the "off" position.

2. Where branch circuit breakers supply the power to motors and signal systems, the breakers shall also be furnished with lockout clips, mounted in the “on” position. The breakers shall be able to trip automatically with lockout clips in place.

3. Provide lock-on clips on branch circuit breakers supplying fire alarm equipment and fire alarm panels. Provide identification of the dedicated "fire alarm" circuit function and operation. Color-code the circuit breakers to comply with AHJ Requirements.

4. Locking facilities shall be riveted or mechanically attached to the circuit breaker (submit sample for approval. Other means of attachment shall not be accepted without prior written approval of the Owner’s Representative.

E. Switch and Fuse Feeder Protective Devices for Distribution Panels

1. Locations where the Drawings show distribution panels employing switch-fuse circuit protection devices.

2. Fusible Switches: Quick-make, quick-break type with rejection clips for use with Class “R” fuses Current Limiting Fuses (CLF). Switches with ratings up to and including 100-amp at 240 volts shall be twins mounted. Switches rated through 60 amp and 480 volts shall be twins mounted. Provisions for padlocking in the 26 24 16 - 8 Panelboards and Terminal Cabinets
TP-960
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
“on” and/or “off” positions. Switches shall be removable from front of panel without disturbing adjacent units or panel bus structure.

3. Fuses shall be time delay current limiting types, UL Class RK-1 unless otherwise indicated on the Drawings.

Provide one spare set of fuses of each size and type in each Distribution Panel.

4. Provide auxiliary contact on switch for remote status (on-off) signaling and monitoring. Provide conductor lugs to accept conductor temperature rating, sizes and quantities shown on Drawings.

5. Switch and fuse devices shall be permitted only in distribution panels and only where specifically indicated on the Drawings for feeders.

2.4 PANEL BUSSING
A. Bus Material

1. Bussing shall be rectangular cross section tin-plated copper or alternately silver or tin-plated aluminum.

2. Bussing shall be non-tapered, full length of the enclosure.

B. Ground Bus

1. Each panel shall be equipped with a ground bus secured to the interior of the enclosure. The bus shall have a separate lug for each ground conductor. No more than one conductor shall be installed per lug.

2. Provide additional isolated ground bus in each panel with connecting isolated ground feeders and/or connecting isolated ground branch circuits.

C. Provisions

1. Provide space and all hardware and bus mounting attachments for future devices as indicated on the Drawings.

D. Neutral Bus

1. The ampere rating of the neutral bus of panels and distribution panels shall be a minimum of 100% greater ampere capacity than the ampere rating of the corresponding phase bus.

2. Where the panel is indicated to be provided with an “oversize-neutral” or “200%” neutral on the Drawings, provide 200% ampere capacity rated neutral bus. 26 24 16 - 9 Panelboards and Terminal Cabinets
TP-961
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2.5 TERMINAL AND AUXILIARY CABINETS
A. Cabinets

1. Fabricated of Code gauge sheet steel for flush mounting (except where noted as surface) of size indicated on the Drawings, and complete with hinged lock-able doors, provide the quantity of 2-way Feed through conductor terminals required for termination of all conductors, plus 15% spares of each type.

2. Cabinet locks to operate from same key used for panelboards. The trim to cabinets shall be fastened by means of concealed bolted or screwed fasteners accessible behind door into cabinets. All cabinets shall have ⅝-inch plywood backing, finished with fireproof intumescent primer and finish coat paint. Provide equipment ground bus in each cabinet.

3. Cabinets shall be finished with one coat of zinc chromate and one coat of primer sealer after a thorough cleaning. Where exposed to public view (e.g., corridors, covered passages, offices, etc.) finish color paint to match surrounding and Manufacture’s standard gray color in switchboard, janitors, heater and storage rooms.

4. Provide grounded metal barriers inside cabinet to isolate and separate line voltage and low voltage from each other inside the cabinet.

B. Cabinet Dimensions.

1. Unless indicated otherwise on Drawings.
a.
b.

Shall be 20-inches wide. Surface or flush mounting as indicated.

Recess mounted type shall have a 20-inches wide (maximum) recess metal enclosure with overlapping edge trim plate cover extending 1-inch on all sides of enclosure.

2. Depth shall be 5.75-inches nominal. Height of cabinet as required for devices, plus 25% spare unused interior space for future use, but not less than 36-inches high.

C. Terminals

1. Non-digital analog circuits; line and low voltage modular signal systems, 15-amp dual row with isolation barriers, screw-down terminals insulated strips, heavy duty.
a. As manufactured by: Molex, or ITT-Cannon, or General Electric.

2. Digital circuits; low voltage signal systems, ANSI/ EIA/TIA Category-6, 110-Block or 66-Block gas-tight punch down style, heavy duty.
a. As manufactured by: Leviton, or Ortronics, or AMP.
26 24 16 - 10 Panelboards and Terminal Cabinets
TP-962
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
D. Identification (additional requirements)

1. Provide engraved nameplate on each cabinet indicating its designation and system (i.e., “Life Safety System - Panel 2LS”, etc.).

2. Identify each terminal landing with unique circuit number and provide corresponding alphanumeric text-index card inside panel access door PART 3 - EXECUTION

3.1 MOUNTING
A. Flush mounted panelboards and terminal cabinets shall be securely fastened to at least two studs or structural members. Trim shall be flush with finished surface.

1. Panels and cabinets installed flush (recess or semi-recess) into fire rated or smoke rated walls. The wall recess shall be fully wrapped inside the recess with fire/smoke rated materials. The wrap-materials shall provide the same fire and/or smoke protection rating as the respective wall.

B. Surface mounted panels and terminal cabinets shall be secured to walls by means of preformed galvanized steel channels securely fastened to at least two studs or structural members.

C. Panelboards and terminal cabinets shall be installed to ensure the top circuit protective device (including top compartment control devices) are not more than 6- feet-6-inches above finish floor in front of the panel and the bottom device is a minimum of 12-inches above the floor. Manufacturer shall specifically indicate on Shop Drawing submittals each panel where these conditions cannot be met.

3.2 IDENTIFICATION (ADDITIONAL REQUIREMENTS)
A. Provide a red and white Bakelite nameplate with ½-inch high letters in each 277/ 480- volt panel fastened to face of dead-front plate, to read: “DANGER 480 (or as applicable) VOLTS KEEP OUT AUTHORIZED PERSONNEL ONLY”.

B. Manufacturer shall stencil the panel/cabinet number identification on the inside of door to correspond with the designation on the Drawings.

C. Identification plates and numbers shall be attached with screws or twist lock fasteners. Adhesive attachment of any kind shall not be used.

3.3 SPARE CONDUITS (ADDITIONAL REQUIREMENTS)
Provide three 1-inch conduit only stubs from each panel and terminal cabinet into accessible ceiling space. Where floor level below panel or terminal cabinet is accessible, also provide an additional three 1-inch conduit only stubs into accessible floor space.

END OF SECTION 26 24 16
010423/535050
26 24 16 - 11 Panelboards and Terminal Cabinets
TP-963
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 24 19

MOTOR CONTROL EQUIPMENT
PART 1 - GENERAL

1.1 SCOPE
A. Work Included: All labor, materials, appliances, tools, equipment necessary for, and incidental to, performing all operations in connection with furnishing, delivery and installation of the work of this Section, complete, as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Specification Sections and Drawings for related work required to be included as work under Division 26.

2. General Provisions and Requirements for electrical work.

PART 2 - PRODUCTS

2.1 INDIVIDUAL STARTERS
A. Manual Motor Starters:

1. Provide flush or surface mounting manual motor starters with number of poles and size of thermal overload heaters as required for the motor being controlled (equipped with overload heaters, one for each motor lead). Back boxes shall be supplied with all flush mounting starters whether they are toggle type requiring only a 4-inch square outlet box or the larger type requiring a special box and cover designed to accept the particular unit.

2. Unless otherwise noted on the Drawings, all manual starters for single phase motors, smaller than 1 h.p., shall be the compact toggle type. Manual starters for all single-phase motors, 1 to 5 h.p., and all three phase motors up to 5 h.p. shall be the heavy-duty type.

3. Where manual motor starter is shown with pilot light, the pilot light shall be installed in a separate outlet box adjacent to the starter outlet, and engraved nameplate to indicate function of pilot light.

4. Motor starters as manufactured by the following:

Manufacturer
Arrow Hart
General Electric
I.T.E.

Square D Company
Westinghouse
Allen Bradley
1hp and Below
Type RL
CR 101
Single-Phase Others
Type LL
Class CR 1062
Class C10, C11 or C12
Class 2510, Type A
Type MS
Equal
Class C20
Class2510,TypeB&C
Type A100
Equal
26 24 19 - 1 Motor Control Equipment
TP-964
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Individual Magnetic Motor Starters:

1. Three phase magnetic motor starters NEMA Size 1 and larger controlling three phase motors 5 horsepower and larger shall provide integral motor single phasing protection. The starter shall automatically "open", turn off electrical power to the connected motor in the event of the loss of one or more circuit phases, lock out and require manual resetting of the single-phase protection to restart the magnetic motor starter. Provide single phase annunciator. Provide adjustable time delay, minimum range 0-3 seconds for initiating single phase shut down.

2. Magnetic motor starters shall be AC line voltage, across-the-line units in NEMA Type I enclosure, unless other types of enclosures are indicated.

3. All starters located outside of a building whether or not indicated shall be W.P. (weatherproof), and all starters noted W.P. shall be furnished in NEMA Type 4 cast or stainless-steel enclosures.

4. Starters shall be horsepower rated for the motor controlled and shall be equipped with properly sized overload elements. Every pole shall be with overload element.

5. Verify the exact motor current and voltage characteristics with the supplier of the motor before installation of a starter.

6. Each starter shall be equipped with "Hand-Off-Auto" switch or stop-start pushbutton as required.

7. Coils shall be designed to operate on voltage indicated on control diagrams and have built-in-under the voltage release for coil circuit to drop motor starter off the line when the line voltage drops below normal operating voltage.

8. The coil control circuit shall be independently fused, sized to protect coil.

9. Starters to be equipped with running pilot light indication with a "Push-to-Test" feature.

10. Magnetic starters shall have a minimum of two auxiliary contacts. Additional auxiliary contacts shall be provided as required to comply with the Requirements of the wiring diagrams on the Electrical, Mechanical and Plumbing Drawings and the description of the function in the Mechanical and Plumbing Sections of the Specifications.

11. Minimum starter size shall be NEMA Size 1 unless indicated otherwise.

12. Magnetic motor starters as manufactured by the following:

Manufacturer
General Electric
I.T.E.

Square D Co.

Westinghouse
Type
Class CR 106
Class A20
Class 8536
Type A200 (Size 4 Max.) or Class II-200 (Sizes
26 24 19 - 2 Motor Control Equipment
TP-965
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
5 thru 8) Allen Bradley Equal

2.2 INDIVIDUAL COMBINATION MOTOR STARTERS
A. Combination starter shall incorporate fused disconnect switch and individual magnetic motor starter in a common enclosure. Combination starters shall be mounted in general purpose enclosures unless otherwise indicated on the plans. Provide oversized enclosures where required to accommodate the components and/or wiring indicated. Starters shall comply with NEMA Standards, size and horsepower as indicated on Drawings General Electric, Square D, Westinghouse or I.T.E.

B. The disconnect handle used on combination starters shall control the disconnect device with the door opened or closed. The disconnect handle shall be clearly marked as to whether the disconnect device is "ON" or "OFF", and shall include a two-color handle grip, the black side visible in the "OFF" position indicating a safe condition, and the red side visible in the "ON" position indicating an unsafe or danger condition.

C. Each starter shall be equipped with an integral control circuit transformer with secondary voltage or as indicated.

D. All starters used in combination starters shall be manufactured in accordance with the latest published NEMA Standards, sizes, and horsepower ratings. These starters shall be furnished with three melting alloy type thermal overload relays.

E. Thermal units shall be of one-piece construction and interchangeable. The starter shall be inoperative if a thermal unit is removed.

2.3 MOTOR CONTROL INTERLOCKS AND CONTROL DEVICES
A. Refer to Mechanical and Plumbing Drawings and Specifications and provide all control devices including timeswitches, relays and interconnection of starters as required.

B. Mount all relays and timeswitches in a separate NEMA 1 enclosure unless otherwise indicated.

C. Whether Shown on Mechanical and Plumbing Drawings or Control Center Schedules or not, where motors are controlled by external devices (i.e., thermostats, relays, float or pressure switches, etc.) or interlocked with other motors, each motor starter to be equipped with a "Hand-Off-Auto" selector switch in starter cover. Other starters equipped with a "Start-Stop" pushbutton station in starter cover.

D. Provide low voltage, 60Hz control power transformer(s), VA as required for HVAC and plumbing controls.

2.4 FUSES
A. Fuses shall be dual element, current limiting type, UL Class RK-5 unless otherwise indicated on the Drawings. Provide one spare set of fuses of each size and type in each motor control center.
26 24 19 - 3 Motor Control Equipment
TP-966
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Verify the full load amperes of all motors for which fuses are to be provided. Size fuses for the motor full load amps according to the recommendations of the Fuse Manufacturer.

PART 3 - EXECUTION

3.1 IDENTIFICATION
A. Manufacturer shall stencil the panel number or letter on each device and equipment section to correspond to identification on the Drawing.

B. Identification plates and numbers shall be attached with screws or twist lock fasteners. Adhesive attachment of any kind shall not be used.

END OF SECTION 26 24 19
010423/535050
26 24 19 - 4 Motor Control Equipment
TP-967
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 26 50 05

LIGHTING FIXTURES
PART 1 - GENERAL

1.1 SCOPE
A. Work Included:

All labor, materials, appliances, tools, equipment necessary for and incidental to performing all operations in connection with furnishing, delivery and installation of the work of this Section, complete, as shown on the Drawings and/or specified herein.

Work includes, but is not necessarily limited to the following:

1. Examine all other Specification Sections and Drawings for related work required to be included as work under Division 26.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. General

1. Submit certification letter from Manufacturers of LED or lamps and ballasts and power/driver supplies, (or alternately, Manufacturer's published catalog data) stating/showing the specific LED or lamp, ballast, or power/ driver supply combination comply with Manufacturer recommendation and approval for the combined use, shown on the Drawings.

2. Provide complete Manufacturers catalog data information for each light fixture (luminaire), ballast, power/driver supplies, LED or lamps, materials, auxiliary equipment/devices, finishes and photometrics.

B. Performance Certification

1. Submit Manufacturer's Certified LED or lamp and ballast tests report data showing compliance with Contract Document.

2. Submit Manufacturer's letter of Certification for each fixture type, confirming the proposed combination of specific LED or lamp, ballast, power/driver supply and auxiliary components for each light fixture (luminaire) type will function together correctly and perform in compliance with the Requirements of the Contract Documents as follows:
"The proposed lamp(s), LED or lamp ballast(s), drivers, (where, applicable), lamp sockets and fixture have been tested as an assembly. The proposed fixture products assemblies are certified by the Manufacturer to function within the required temperature, lumen output, electrical characteristics and operational life described in the Contract Documents".
26 50 05 - 1 Lighting Fixtures
TP-968
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
C. Light Fixture Samples

1. If requested by the Owner's Representative, provide a sample of each fixture proposed as a substitution for a specified fixture. Sample fixture shall be complete with specified lamps, 3-wire grounding "SO" cord and plug for 120-volt 60Hz, AC plug-in operation. Sample fixtures shall be delivered to the Owner's Representative's office for review, the samples shall be picked up within 10- working days after review comments have been received; any samples left beyond this time will be discarded by the Owner’s Representative. Decision of Owner’s Representative regarding acceptability of any lighting fixture is final.

1.3 QUALITY ASSURANCE (ADDITIONAL REQUIREMENTS)
A. Work and Materials shall be in full accordance with the latest Rules and Regulations as follows. The publications shall be included in the Contract Document Requirements. If a conflict occurs between the following publications and any other part of the Contract Documents, the Requirements describing the more restrictive provisions shall become the applicable Contract definition:

1. UL – Underwriters' Laboratory:
a.
b.
c.
d.
e.
f.

UL – 1572: HID Lighting Fixtures
UL – 1570: Fluorescent Lighting Fixtures
UL – 1029: HID Ballast
UL – 935: Fluorescent Lamp Ballast
UL – 542: Lamp Holders, Starters, and Starter Holders
UL – 8750 and 1598C: Light Emitting Diode – LED Equipment for use in Lighting Products and Replacements

2. NEMA – National Electrical Manufactures Association:
a.
b.

NEMA – LE4: Recessed Luminaries Ceiling Compatibility
NEMA – SSL #1, #3 and #6: Electronic Drivers for LED; LED and Incandescent Lamp Replacement
c. NEMA – LSD #44, #45, #49 and #51: SSL-Solid State Lighting

3. United States Federal Government:
a.
b.

FCC – Part 18: EMI and RFI emissions limitations.

EPA: Energy Conservation Publications and Waste Disposal Regulations.

4. ETL and C.B.M. Certified and Approved.

5. Electrical Installation Standards, National Electrical Contractors' Association:
a. NEIS/NECA and IESNA – 500: Recommended Practice for Installing Indoor Commercial Lighting Systems.

NEIS/NECA and IESNA – 501: Recommended Practice for Installing Exterior Lighting Systems
NEIS/NECA and IESNA - 502: Recommended Practice for Installing Industrial Lighting Systems.
b.
c.
26 50 05 - 2 Lighting Fixtures
TP-969
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

6. Illuminating Engineering Society – IES (IESNA):
a.
b.
c.
d.

IES – LM41: Photometric and Reporting.

IES – 587: Surge Protection.

IES – LM79: Solid State Lighting (SSL) Testing and Measurement.

IES – LM80: Testing for Lifetime of LED.

7. ANSI-American National Standards Institute:
a.
b.
c.
d.

ANSI – C81
ANSI – C82
ANSI – C62.41: Transient Withstand
ANSI – C78: Lamps

8. State California Code of Regulations - Title-24 Energy Code PART 2 - PRODUCTS

2.1 GENERAL
A. Complete Fixture

1. Provide light fixtures complete including LED or lamps, ballasts, drivers, lamp holders’ sockets, housings, ceiling and wall trim "rings" for each ceiling type, mounting and adapter support brackets, diffusers/lenses and outlet boxes.

2. Include an allowance of $300.00 to provide a light fixture for each lighting fixture outlet shown on Drawings without a fixture type designation.

B. Specific Fixture Requirements and Fixture Schedule Information

1. The catalog numbers included in the description of the various types of lighting fixtures shall be considered to establish the type or class of the fixture with a particular Manufacturer only. The fixture length, number of lamps and lamp types, component materials, accessories, mounting type, ceiling, wall and install adapters, operation voltage, and all other components required to fulfill the total description of the fixture based on all Drawing information, branch circuits, voltages, Specification information, and shall be included in the Contract Requirements regardless of whether or not the catalog number specifically includes these components.

2. Lighting fixtures shall be the types as indicated in fixture schedule on the Drawings and as described in the Specifications.

3. All fixtures of the same fixture type shall be the same Manufacturer and of identical finish and appearance, unless indicated otherwise on Drawings.

C. Manufacturer Certification of Operation

1. Lamps and lamp ballasts and power supplies (drivers) shall be recommended and certified by the respective Manufacturer(s), to be "matched" to operate 26 50 05 - 3 Lighting Fixtures
TP-970
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
correctly together, within the published characteristics, for efficacy, lamp starting, operating life hours, lumen output, power factor, power input, operating line ampere, sound intensity, and temperature.

2.2 BALLASTS AND POWER SUPPLIES (FOR HID LAMPS AND FLUORESCENT LAMPS

AND DRIVER-POWER SUPPLIES FOR LED-SOLID STATE LAMPS)
A. General

1. All ballast, power supplies, lighting fixtures assemblies and components shall be ANSI, ETL approved C.B.M. Certified, and UL labeled.

2. Ballasts shall provide Class "P" thermal protection.

3. Ballasts shall comply with FCC Part 18 Class-A and NEMA limits as to EMI or RFI and not interferes with normal operation of electrical or electronic data processing equipment.

4. Open circuit voltage, starting voltage, crest voltage and lamp-operating voltage shall comply with Requirements of the respective Manufacturer of the installed lamps.

5. Lamp ballasts, power supplies and transformers shall be for use with the specific lamps provided as part of the Contract.

6. Shall be suitable for use with automatic occupancy motion sensing type switching "on-off" control systems, with multiple "on-off" cycles per hour, on a 24-hours a day basis. Operation shall be without loss of performance in operating characteristics described in the Contract Documents.

7. Fusing
a. Shall be independently fused on the incoming line side within the fixture compartment.

Alternately the Ballast Manufacturer may install the equipment fuse inside the ballast/power supply.

Provide a label next to ballast cover reading: "Ballast (Power Supply) is fused, check fuse prior to relamping". Provide an additional quantity of 10% spare fuses and deliver to Owner’s Representative.
b.
c.

8. Ballast Sound Rating Class-A or better. Where sound-rating classification is not published, the ballast sound rating shall be the best of product manufactured.

Ballasts, which are judged by the Owner’s Representative to be excessively noisy, shall be removed and replaced at the Contractor's expense with low noise ballasts.

9. Electronic solid-state ballasts and power supplies shall be the product of Manufacturer that has been producing electronic ballasts/power supplies for a minimum of 5-consecutive years prior to the date of the Contract.

10. Shall be designed and supplied to operate on the incoming line voltage system circuits to which the respective light fixtures are connected. 26 50 05 - 4 Lighting Fixtures
TP-971
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

11. Shall not contain any PCB (polychlorinated biphenyl).

12. Power factor shall be not less than 0.90, starting and operating. The input starting transient line input ampere should never exceed lamp normal operating ampere by more than 10%.

13. Ballast and power supply disconnect:
a. Lighting Fixture Manufacturer factory installed and prewired inside each light fixture, for lamp-ballast or lamp-driver power supply.

Shall comply with UL-2459 and CEC/NEC. Shall disconnect (load-break) energized or de-energized ballast/driver from respective line voltage circuit and dimming circuit. UL-94V-0 flame retardant.

Hot pluggable, multi-pole, insulated connectors, with strain relief and fingersafe squeeze-to-release latching function.

Suitable for available voltage and ampere dimming and non-dimming lampballasts and lamp-power supplies. b.
c.
d.

14. Ballast and power supplies as manufactured by General Electric, Advance, Philips, Universal, Sylvania/Osram or equal.

B. Solid-State Electronic Fluorescent Lamp Ballast

1. Fluorescent ballasts shall be solid-state electronic type ANSI C82.11.

2. Ballast shall operate lamps at voltage frequency exceeding 40kHz, without visually detectable flicker, flicker index shall not exceed 3%. Shall deliver Lamp Manufacturers normal rated lamp life.

3. Ballast normal operations and life expectancy shall not be affected by lamp failure or sustained open circuit/short circuit.

4. Ballast shall be surge and transient protected to 6000 volts, ANSI-C62.41, Category-A.

5. Maximum Total Harmonic Distortion (THD) created by operation on the line (input) side of the ballast shall not exceed 10%.

6. The ballast shall provide an isolated output to the lamps. Metal ballast case shall be positively grounded to the light fixture metal housing.

7. The ballast shall incorporate surge protection device to prevent damage to the ballast due to line side transients.

8. The ballast lamp current crest factor shall be 1.7 or less (ratio of peak to RMS current).

9. The Ballast Factor (BF) shall be not less than the following unless indicated otherwise on the Drawings.
a.
b.

0.87 BF for normal light output.

0.95 BF for High light Output (HO) operation.
26 50 05 - 5 Lighting Fixtures
TP-972
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
c. 1.0 BF for dimming ballast.

10. Normal rapid start (continuous full filament voltage) Rapid Start - Rapid start ballast shall energize (preheat) the lamp cathode “heater” filament prior to establishing the lamp arc ignition, normal lamp operation shall occur within 1- second after starting. The ballast shall provide approximately 15,000-lamp start “on-off” cycles prior to lamp failure.

11. Instant start - Instant start ballast shall energize the lamp with an initial increased voltage to initiate the lamp arc discharge between the unheated (no preheat) lamp cathodes and ensure the lamps start without delay or flashing, eliminate lamp operating power required for cathode heating. Preheating the lamp cathodes shall not be performed by the ballast. The ballast shall control the lamp start “on-off” cycles to provide approximately 10,000 starts prior to lamp failure.

12. Program Start - Integrated Circuit (IC) program start ballast shall energize (preheat) the lamp cathode “heater” filament for a programmed time duration prior to transition phase to lamp arc ignition and immediately de-energize the cathode after arc is established and lamp is operational. The ballast shall precisely control the cathode temperature and duration to increase lamp start “on-off” cycles prior to lamp failure to approximately 35,000 starts. The ballast shall reduce the “black-end” lamp condition resulting from frequent lamp “on-off” cycles. The Program Start ballast shall provide automatic End of Life (EOL) lamp current shut-off when a lamp fails.

13. DALI ballast, 1-lamp, 2-lamp, 3-lamp, or 4-lamp, dimming and switching capacity.

Comply with DALI published control and communication protocol standards.

Universal input line voltage operation.

C. Solid-State Electronic Metal Halide Lamp Ballast

1. Solid-state electronic for low wattage "pulse-start" metal halide type lamp operation.

2. Lamp current crest factor (ratio of peak to RMS current) shall not exceed 1.5.

3. Operate lamps at a frequency of less than 200Hz to minimize acoustic resonance inside the lamp arc tube and minimize lamp flicker.

4. Ballast Factor (BF) shall be 1.0.

5. Automatic ballast thermal protection and automatic shutdown at End of lamp Life (EOL) protection.

6. Total Harmonic Distortion (THD) on the input line side shall not exceed 16%.

D. Dimming Ballasts and Lighting Control System Ballasts

1. General
a. The light fixture ballasts shall comply with the recommendations of the Lighting Control System Manufacturer, as to ballast type and Ballast 26 50 05 - 6 Lighting Fixtures
TP-973
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
Manufacturer sources. Provide documentation with Shop Drawings certifying compliance with the Requirements.
b. DALI ballasts shall comply with the recommendations of the DALI Lighting Control System Manufacturer. DALI ballast types and DALI Ballast Manufacturer sources shall comply with the recommendation with the Shop Drawings certifying compliance with these Requirements and Recommendations.

2. Fluorescent lamp dimming
a. One or multi-lamp rated dimming ballast shall be provided for fluorescent lamp dimming systems, as recommended by the Lighting Control System Manufacturer.

E. Emergency Lighting

1. Light fixtures shown connected to both normal power and external emergency power branch circuits, shall be furnished with separate lamp ballasts for the normal and emergency power circuits.

2. The ballast(s) for the lamps connected to the external emergency branch circuit shall be in a separate wireway isolated and barriered from the ballast(s) for the lamps connected to the normal power branch circuits. The fixture shall be factory labeled "emergency" and "normal" on the respective wireways and ballasts.

F. Tandem Ballast Connections

1. Ballasts in 1-lamp or 3-lamp fluorescent fixtures, when fixture is recessed mounted and within 8-feet of each other, or if surface on pendant mounted within 1-foot of each other, shall be furnished with a tandem wiring harness connected to inboard Ballasts of master fixture, to be field connected to inboard ballast of adjacent fixture. Night-light or emergency light fixtures shall be exempt from this Requirement.

2.2 LAMPS
A. General

1. Lamps shall be new, of wattage and type indicated. Each fixture or lighting outlet shall be supplied with the proper lamp(s).

2. Lamps shall comply with the characteristics as described in the lamp tables below, except where indicated otherwise on the Drawings.

3. Lamps shall comply with limits on mercury and classification as non-hazardous waste as follows:
a.
b.

Federal EPA – Toxicity Characteristics Leaching Procedures (TCLP).

State of California – Total Threshold Limit Concentration (TTLC).

4. Lamps shall be as manufactured by General Electric, Philips, Osram or Sylvania. 26 50 05 - 7 Lighting Fixtures
TP-974
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Incandescent Lamps

1. General-purpose incandescent "A" style lamps shall be inside frosted, medium base for 200 watts and smaller.

2. Reflector lamps shall be PAR-20, PAR-30 or PAR-38 as required, unless otherwise specified in fixture schedule.

3. Incandescent lamps in non-enclosed fixtures and fixtures without lens/ diffuser shall be rated for "open" fixture operation.

C. Fluorescent Lamps

1. Linear fluorescent shall be energy saving type and bi-pin operation. Rapid-start, Program Start or Instant Start as indicated in the Contract Documents.

2. Compact fluorescent lamps.

3. Average lamp life shall not be less than the following, based on 3 hours "on" operation and 20-minute "off" for each start cycle, when matched in combination with the specific lamp ballast and with the respective light fixture, unless noted otherwise:
a.
b.
c.

Linear fluorescent 20,000 hours.

CFL – 20,000-hours and as noted in the lamp tables.

HID – as noted in the lamp tables, based on 12-hours "on” operation for each start cycle.
d. Incandescent – as noted in the lamp tables.

D. High Intensity Discharge Lamps HID

1. Mercury vapor lamps shall be Deluxe White or Brite White Deluxe phosphor coated Bonus-Line.

2. Provide proper base up, base down, horizontal, operating configuration for the fixture and lamps being furnished.

3. HID lamps (indoor or outdoor locations).
a. HID lamps used outdoors or in damp/wet locations shall only be used in fully enclosed, lensed fixtures.

Open type fixtures with HID lamps used indoors shall only be ANSI- “TYPE0” protected lamps and protected lamp sockets or shall only be fully enclosed, lensed fixtures.

Enclosed/lensed fixtures with HID lamps, shall be rated for “ARC-TUBE Containment”
b.
c.

4. Lamps in non-enclosed light fixtures shall be equipped with automatic switching device to de-energize the lamp when the lamp outer glass envelope is broken.

5. High-pressure sodium lamps shall be clear unless noted otherwise on Drawings. 26 50 05 - 8 Lighting Fixtures
TP-975
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

6. Metal halide lamps shall be clear or coated as indicated on the Drawings.

7. Lamp socket and lamp “burning” position of operation rating (i.e., base-up, basedown, horizontal) shall comply with the actual lighting fixture installation location.

2.3 LIGHT FIXTURES (LUMINAIRES)
A. General

1. Lighting fixtures shall have all parts, ballasts, drivers, sockets, support attachments, trim flanges and fittings necessary to complete and properly install the fixture at the indicated installation locations. All fixtures shall be provided with lamps of size and type specified.

2. Ceiling and/or wall surface mounted lighting fixtures shall not have any exposed chase nipples or conduit knockouts visible to view within fixture housing. Lighting fixtures mounted in continuous rows shall have chase nipples or conduit knockouts between lighting fixture housing but shall not have visible chase nipples/conduit knockouts on the visible ends of the continuous row of lighting fixtures.

3. Where fixture color is indicated to be selected by the Architect and/or Owner’s Representative, provide two color chip samples for each color for review.

4. Recessed fixtures with attached junction box shall be provided with a junction box permanently attached to the plaster ring so that the junction box is accessible through the fixture opening when the fixture is removed. Connection between fixture and pull box shall be flexible metal conduit with not less than 16AWG "AF" or "CF" type fixture rated copper wires, high temperature wire insulation for not less than 600 volts AC. The flexible conduit shall be sufficient length, so that when the fixture is removed, the pullbox is readily accessible.

5. Recessed fixtures shall be Underwriters' Laboratory approved for recessed installation with plaster frame and attached pullbox. Lamp enclosure, reflectors and finish wiring shall not be installed until plastering is completed. Exposed finish trim shall not be installed until finish painting of the adjacent surface is completed.

6. The fixture shall bear Underwriters' Laboratory label of approval for the wattage and installation indicated.

7. Light fixtures installed outdoors, in damp or wet locations shall be UL labeled for said location as "damp-location" and "wet-location" for the respective installation location.

8. Fixtures in contact with thermal/building insulation shall be UL listed and rated for direct contact installation in thermal insulation systems.

9. Lamp auxiliary support brackets shall be heat-resistant, non-dielectric.

Alternatively, metal auxiliary lamp support brackets shall be electrically isolated from the fixture, to prevent glass decomposition.
26 50 05 - 9 Lighting Fixtures
TP-976
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

10. Lighting fixtures installed in masonry and/or concrete construction. The fixture housing shall be rated for "concrete-pour" installation location.

11. Provide a permanent label inside each light fixture stating the following relamping information. Not less than 0.125-inch-high black alphanumeric characters on white background.
"Replacement lamp(s) installed in this light fixture must comply with the following criteria:
*: CRI *:
*: CCT-K *:

Lamp Watts
Lamp Lumens
Only lamp rated * type lamp ballast shall be installed in this fixture. *Insert the value required for the specific lamp required by the Contract Documents for each light fixture.

B. Lens and Diffusers

1. Acrylic plastic or Plexiglas for the light fixture diffusers or fixture lenses shall be 100% virgin material.

2. Thickness of not less than 0.125-inch, as measured at the "THINIST" portion on the diffuser or lens. However, thickness shall be increased to sufficient construction and camber to prevent the lens and diffusers from having any noticeable sag over the entire normal life of the installation.

3. Diffusers shall be formed from cast sheet by a vacuum and/or pressure technique.

4. Lighting fixtures containing lamps with dichroic reflectors and light fixtures with non-dichroic lens/diffuser shall be rated for high temperature lamp operations resulting from lamp heat redirected (reflected) back into the fixture.

C. Fixture/Luminaire Internal Wiring

1. Provide wiring between fluorescent lamp holders and associated operating and starting equipment. Provide ballasts/transformers inside lighting fixture.

2. Where there are two or more fluorescent lamps in a single luminaire, and multiple level intensity control is indicted on Specifications or Drawings, multiple-lamp ballasts shall be used to the greatest extent possible and the following tandem wiring configurations shall apply:
a. If "inboard-outboard" wiring or multi-intensity light switching controls are specified for (odd-quantity) multi-lamp luminaires, then the two outboard lamps shall be connected to a single 2-lamp ballast within each luminaire.

The inboard lamps of two adjacent luminaires shall be tandem wired, that is, connected to a 2-lamp ballast within one of the luminaires.

A1-lamp ballast may be used if a luminaire with ballast is separated by more than 10-feet from any other same type of luminaire with a ballast or if the nearest luminaire is on another control circuit. Otherwise, a lamp in one b.
26 50 05 - 10 Lighting Fixtures
TP-977
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
luminaire shall be tandem wired, that is, connected to a multi-lamp ballast in another luminaire.

3. Wire insulation for ballast/lamps employing igniters, shall be rated and UL listed for the igniter pulse voltage.

4. Light fixture internal lamp sockets; installation of lamp sockets and ballasts; grounding of lamp sockets and ballasts; and wiring connections, shall all comply with the recommendations of Ballast Manufacturer and Lighting Control System Manufacturer.

D. Lamp Holders (Sockets) and Supports

1. Provide fluorescent luminaire lamp sockets that are white, constructed of high temperature heat-resistant plastic or ceramic/porcelain.

2. When electronic solid-state ballasts are provided, fluorescent lamp sockets for 4- feet-0-inches lamps shall be of the "knife edge" type. The lamp sockets providing the tightest electrical connection shall be furnished.

3. Lamp supports shall be used as recommended by Lamp Manufacturer.

4. Rigidly and securely attach lamp holder to the luminaire enclosure.

5. Provide lamp holders and sockets suitable for specified lamps and position the lamps in optically correct spacing and relationship to lenses, reflectors, filters, and baffles.

6. Lamp holder location shall provide properly located starting aid, as specified by the Lamp Manufacturer.

7. Lamp sockets in fixtures shall be compatible with the respective specified lamp(s), as recommended by the Lamp Manufacturer and shall provide specified lamp operational performance.

8. Provide horizontal position (±15-degree) lamp and lamp socket to automatically ensure lamp position, for lamps requiring horizontal only operation lamps, to ensure correct horizontal lamp install position.

9. Lamp sockets shall be rated for not less than actual volts of the igniter starting of the lamp.

2.4 SOLID STATE LIGHTING (SSL), LIGHT EMITTING DIODES (LED) LAMPS, POWER

SUPPLIES, AND LIGHT FIXTURES (ADDITIONAL REQUIREMENTS)
A. General

1. Solid State LED light source (lamps), related control equipment (driver-power supply), and luminaire (light fixture) optics for light output distribution.

2. Shall comply with the US-DOE Energy Star Program for SSL-LED. Submit documentation with Shop Drawings.
26 50 05 - 11 Lighting Fixtures
TP-978
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3. Shall comply with the latest revision IESNA LM-79 and LM-80. Submit documentation with Shop Drawings.

4. SSL chromaticity shall comply with latest revision NEMA and ANSI – C78.377.

Submit documentation with Shop Drawings.

5. Submit with Shop Drawings two samples of each light fixture type employing SSL, with prewired 120 volt, 60Hz AC “SO” cord and plug-in cap.

B. LED Lamps

1. Lamp lumen output and overall efficiency shall be based on the LED lamps installed in specified fixture and ambient operating temperature.

2. Lamp Color Rendition Index (CRI) shall equal or exceed CRI – 80, unless noted otherwise on Drawings.

Lamp color output shall be 4000-degree K (r100K), unless noted otherwise on Drawings.

3. 4. CRI and lamp color temperature shall be same for all light fixtures of the same fixture type.

C. LED Power Supply (driver)

1. Combination of power supply and SSL – lamp shall be tested and certified by respective Manufacturers for performance and proper operation.

2. Provide dimming type driver where indicated on Drawings. Driver and dimming equipment shall be tested and certified by respective Manufactures for performance and proper operation.

D. Self-contained LED Lamp and Driver, integral “Screw-Base” and/or “Pin-Connect”, replacement assembly for incandescent lamps.

1. Shall be dimmable. Dimmer and lamp shall be certified by respective Manufacturers for compatible correct operation with each other.

2. Optical system and operating temperature thermal performance shall be compatible with light fixture.

3. Comply with latest revisions of NEMA LSD-49 and SSL-6.

2.5 LIGHTING STANDARDS (SUPPORT POLES, POLE MOUNTED LIGHTING FIXTURES

AND LUMINAIRES)
A. General

1. Lighting poles, pole bases, pole arms, lighting fixtures (luminaires), supports with all lighting pole attachments and anchors shall be designed and constructed to withstand not less than 100 miles per hour steady horizontal wind loading and 26 50 05 - 12 Lighting Fixtures
TP-979
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
130 miles per hour horizontal wind gust loading, without any damage to the lighting standards.

2. Provide tamper-resistant "hand-hole" and cover on the pole, for access into wiring terminations inside the pole. Provide ground "lug" attachment for equipment bond conductor.

3. Provide factory applied weather protective base undercoat and final finish on all exposed and internal components. Color as indicated or as selected by Owner’s Representative.

B. Base Plate

1. Provide a base plate at the bottom of each pole to attach and secure the pole to the pole anchor bolts. The base plate shall be permanently attached to the bottom of the pole.

C. Anchors

1. Anchor bolts shall be threaded the entire bolt length, not less than four bolts for each pole equally spaced around the pole base. Provide a minimum of two threaded nuts for each anchor bolt. Install a nut on the top and bottom sides of each base plate anchor bolt location. Not less than four threads shall be exposed after pole is installed and leveled.

PART 3 - EXECUTION

3.1 LIGHT FIXTURE INSTALLATION
A. General

1. The Contractor shall verify actual ceiling and wall construction types as defined on the Architectural Drawings and furnish all lighting fixtures with the correct mounting devices, trim rings, brackets whether or not such variations are indicated by fixture catalog number. The Contractor shall verify depth of all recessed lighting fixtures with Architectural Drawings prior to ordering fixtures.

Any discrepancies that would cause recessed lighting fixtures not to fit into ceiling shall be reported to the Owner’s Representative prior to release of order to the Supplier of the fixtures.

2. On acoustical tile ceilings, fixture outlets shall be accurately located in the center, at the intersection of the four corners or at the center of the joints of two tiles.

3. The Contractor shall aim the exterior adjustable lighting fixtures after dark in the presence of, and at a time convenient to the Owner’s Representative.

4. Fixtures shall be ordered and furnished to operate correctly on the branch circuit voltage connected to the respective fixture as shown on the Site Plan and Floor Plan Electrical Drawings. The voltages shown on the fixture schedule are for generic fixture information only.
26 50 05 - 13 Lighting Fixtures
TP-980
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

5. Install and connect lighting fixtures to the circuits and control sequences indicated on the Drawings and to comply with respective Manufacturer's instructions/recommendations.

6. Lighting fixtures in building interstitial spaces, in mechanical plumbing and electrical spaces/rooms, are shown in their approximate locations. Do not install lighting outlets or light fixtures until the mechanical, plumbing and electrical equipment/pipes/ductwork are installed; then adjust and install lighting in revised clear (non-interfering) locations to provide best even-illumination. Coordinate the locations with all other trades prior to lighting
B. Lighting fixtures installed in ceiling support grids - suspended lay-in "T-bar" and concealed spline ceilings.

1. Provide two seismic clips at opposite ends of each recessed light fixture, the clip shall connect to the ceiling grid main runners and the light fixture. The light fixture with seismic clips and ceiling grid runner connections shall resist a horizontal seismic force equal to the total weight of the light fixture assembly.

2. Each light fixture weighing 40-pounds or less and where the respective ceiling grid system is "heavy duty" type, shall be suspended directly from the ceiling grid or shall be suspended independent of the ceiling grid support system as approved by the AHJ. Each light fixture weighing more than 40-pounds or where the ceiling grid system is not a "heavy duty" type shall be supported independent of the ceiling grid and independent of ceiling grid support system.

3. Each light fixture supported independent of the ceiling grid system shall be supported with a minimum of four taut independent support wires, one wire at each fixture corner.

4. Each light fixture supported directly from the ceiling grid or ceiling grid support system shall be additionally connected with a minimum of two independent slack safety support wires. One wire at each opposite diagonal fixture corner. Each 3- feet by 3-feet and larger light fixture shall be supported in the same manner, except provide a minimum of four independent slack safety wires, one at each fixture corner.

5. Light fixtures surface mounted to a suspended ceiling shall be installed with a 1½-inch steel – "C" channel which spans across and above a minimum of two parallel main ceiling grid "runners" and concealed above the ceiling. Each channel or angle member shall be provided with a minimum of two threaded studs for attaching to the fixture housing through the lay-in ceiling tile. Two steel "C" channel members shall be installed for each 4-feet (or smaller) fixture.

Install the channels within 6-inches of each end of the light fixture to span a minimum of two ceiling grid parallel main runners. Provide two seismic clips connecting the ceiling grid main runners to each steel – "C" channel. Provide a not less than two taut independent support wires connecting to each channel.

Bolt the light fixtures to the threaded studs on the channels or angles, to support the light fixture tight to the ceiling surface.
26 50 05 - 14 Lighting Fixtures
TP-981
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
C. Fixture Supports

1. The support wires for light fixture support shall be 12-gauge steel (minimum).

The wires including their building and light fixture attachments shall provide support capacity of not less than four times the weight of the light fixture assembly. Provide additional light fixture support wires and building anchors to meet these Requirements, as part of the Contract. The support wires shall be anchored to the building structural elements above the ceiling.

2. Pendant mounting fixtures shall be supplied with swivel hangers. Fixtures shall swing in any direction a minimum of 45 degrees of gravity, position. Fixtures shall have special stem lengths to give the mounting height indicated on the Drawings. Stem to be single continuous piece without coupling, and to be finished the same color as the canopy and the fixture, unless otherwise noted.

The Contractor shall check all lock nuts and set screws to rigidly secure the swivel socket to the stem, and the stem to the outlet box.

Fixtures shall be plumb and vertical. Where obstructions occur restricting 45- degrees free-swing of fixtures, the fixtures shall be "guy" wired to prevent fixtures from striking obstructions. The Owner’s Representative shall approve method of guying. Swinging fixtures shall have an additional safety hanger cable attached to the structure and the fixture at each support, with the capacity of supporting four times the vertical weight of the light fixture assembly.

3. Suspended fixtures weighing in excess of 40-pounds shall be supported independently of the fixture outlet box. Provide "aircraft" (minimum 12 gauge) steel hanger cable for suspended fixtures route cable concealed or in pendant where possible. Each cable attachments shall support four times the weight of the fixture assembly. Securely attach the cable to the building structure.

4. Surface mounted fixtures installed on drywall or plaster ceilings and weighing less than 40-pounds may be supported from outlet box. Provide structural supports above drywall or plaster ceilings for installation of fixtures weighing more than 40-pounds and secure fixture to structural supports. The use of toggle bolts is prohibited.

C. Recessed Lighting Fixtures - Fire Rated Building Surfaces

1. Lighting fixtures recessed in ceiling or wall which has a fire resistive rating of 1- hour or more shall be enclosed in a fully enclosed backbox (except over fixture lens/diffuser). The material used to fabricate the "enclosed backbox" shall have a fire rating equal to that of the respective ceiling or wall.

2. The space from the fixture to the box enclosure shall be a minimum of 3-inches.

3. The backbox shall be concealed behind the fire rated ceiling and wall finish surface. The light fixture shall be provided with lamp ballast rated for (normal light output) operation in a "high" ambient temperature. 26 50 05 - 15 Lighting Fixtures
TP-982
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3.2 LAMPS
A. Fluorescent and HID lamps controlled by dimming equipment shall be operated (aged) for 100-continuous hours without interruption, at 100% full lumen output prior to occupancy of the building by the Owner.

B. Lamps shall be the type and Manufacturer as recommended by the Dimming System Manufacturer.

C. Install all lamps in each light fixture.

D. Lamp and light fixture use during construction:

1. All lamps in lighting fixtures that have been operated (ON) for a total of more than 300-hours prior to final completion of the Contract Notice of Completion shall be relamped by the Contractor. Remove the existing lamps with more than 300- hours of illuminated operation and provide new lamps of the type required by the Contract Documents, install lamps in respective light fixtures, typical for the following lamp types:
a.
b.
c.
d.
e.

Linear fluorescent.

Compact fluorescent (CFL).

H.I.D.

Incandescent.

LED

3.3 LENS AND DIFFUSERS
Lens, diffusers, internal reflectors shall be completely cleaned of all dust, dirt and fingerprints after the installation of the light fixtures and lamps, and after all trades have completed work and prior to occupancy of the facility by the Owner.

3.4 BALLASTS
A. Ballasts remote from the lighting fixture, mounted as shown on the Drawings and designed for remote operation. Additional wiring and conduit shall be provided whether shown on the Drawing or not, between lighting fixture and remote Ballasts with required quantity of "THHN" wire installed in conduit to operate said fixture(s).

B. Provide proper type and quantity of conductors with conduit system for proper operation of dimming system, whether or not shown on Drawings.

C. Contractor shall tandem wire 1-lamp or 3-lamp fluorescent fixtures when fixture is recessed mounted and within 8-feet of each other or if surface or pendant mounted within 1-foot of each other. To accomplish tandem wiring, a tandem wiring harness shall be installed between inboard master ballast and inboard slave lamp located in adjacent fixture. Night-light or emergency light fixtures shall not apply.

3.5 FLUORESCENT LIGHT FIXTURE TANDEM WIRING CONNECTIONS A. The Contractor shall provide tandem wiring whether or not shown on the Drawing for fluorescent lighting fixtures conforming to all of the following criteria:
26 50 05 - 16 Lighting Fixtures
TP-983
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

1. Light fixture contains fluorescent lamp ballast.

2. Odd number of lamps in light fixture (i.e., one lamp, three lamps, five lamps, etc.).

3. Light fixtures are recess mounted within 10-feet of each other; light fixtures are surface mounted or suspended/pendent mounted within 1-foot of each other.

4. Light fixtures are located in the same room.

B. Provide the tandem wiring connections between respective light fixtures as follows:

1. The tandem wiring harness shall be the product of the respective Lighting Fixture Manufacturer.

2. The tandem connection shall provide pre-assembled wiring harness connecting two fluorescent lamps in adjacent lighting fixtures with a master lamp ballast, remote adjacent fixture slave lamp.

3. The wiring harness shall contain the wiring in flexible steel conduit or enclosed metal raceway/jacket for installation in an air plenum.

C. Delete Tandem Wiring Requirement and provide Individual and Multi-Lamp Ballasts in each respective light fixtures under one or more of the following conditions.

1. Lighting fixtures are shown as night-light or emergency light type fixtures do not require tandem wiring.

2. Fluorescent Dimming Ballasts do not require tandem wiring.

3.6 COMMISSIONING LIGHTING FIXTURES (ADDITIONAL REQUIREMENTS) A. General

1. Verify correct lighting control configurations and operation in each room.

2. Simulate normal source power failure by "opening" (turn off) building main service disconnect and verify connections and operation of each emergency lighting fixture.

3. Confirm "EXIT" sign directional arrows are visible in each "EXIT" sign.

4. Verify light fixture support-hangers, ceiling grid clips and seismic restraints comply with the Contract Documents.

5. Remove protective shipping/installation shields on fixtures. Verify fixtures and lamps are clean and free of construction debris. Clean light fixtures found to be contaminated or dirty.

6. Setup, program, and function test lighting control systems to perform each of the indicated control functions, area/room zones and sequences. 26 50 05 - 17 Lighting Fixtures
TP-984
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

7. Provide “aiming”, directional adjustment of light fixtures, both indoor and outdoor.

Aiming shall comply with Manufacturer’s aiming diagrams, and as directed by Owner’s Representative.

B. Sample spot-checks in each room the following lighting fixture information:

1. Lamp type and performance data.

2. Ballast type and performance data.

3. Combined lamp/ballast certification of performance and compatibility by respective Manufacturer.

4. Verify instructional signage is placed inside each lighting fixture in compliance with Contract Documents.

END OF SECTION 26 50 05
010423/535050
26 50 05 - 18 Lighting Fixtures
TP-985
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 28 46 20

FIRE ALARM
PART 1 – GENERAL

1.1 SCOPE
A. Work Included: All design, labor, materials, appliances, tools, equipment necessary for and incidental to performing all operations in connection with furnishing, delivery, and installation of the work of this Section, complete, as shown on the Drawings and/or specified herein. Work includes, but is not necessarily limited to the following:

1. Examine all other Specifications Sections and Drawings for related work required to be included as work under Division 26.

2. General Provisions and Requirements for electrical work.

1.2 SUBMITTALS (ADDITIONAL REQUIREMENTS)
A. Submit State Fire Marshal and UL Listing numbers for each piece of equipment and component.

B. Submit Block Wiring Diagrams Showing Major System Components, alarm and signaling stations, battery load calculations, and circuit voltage drop calculations with interconnecting circuit conductors and conduits. Riser type diagram shall be provided if the building has more than one floor level with information shown on riser diagram on each respective floor.

C. Submit Redrawn Building Floor Plan for each building area, same scale as the Contract Drawing. Drawings shall be on reproducible sepias. Plans shall show walls, doors, room names and numbers, windows, fire and smoke barriers, and all fire alarm system equipment locations. Show interconnecting conduit, conduit sizes, wire size and quantity between all components.

D. Submit Manufacturers Standard Catalog Data for Fire Alarm Components. The submittal shall be arranged in the order of the Specification and shall list the Specification paragraph number, the name, the proposed model and Manufacturer for each item as well as a reference indicating the specific piece of data which can be easily located in the brochure. The Manufacturer's data sheets shall be marked to indicate the specific item being proposed in cases where the sheet covers several types or sizes of item. The data sheet shall completely describe the proposed item.

Where modification to the equipment is necessary to meet the Operational Requirements of the Contract Documents, the brochure shall include complete Mechanical and Electrical Shop Drawings detailing the modification. The brochure shall include a listing of the outlet rough in needed for every device and equipment item. The applicable symbol, which illustrates that rough-in item on the Job Plans, shall be drawn on the proposal, opposite the description of the rough in to facilitate locating the data by Field Personnel. Submit elevation and dimensional information.

E. Submit Battery Sizing Calculations.
28 46 20 - 1 Fire Alarm
TP-986
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
F. Submit Voltage Drop Calculations on Worst Case Signal and Control Circuits.

G. After Review of Submittal by Architect, the Contractor shall submit to the local authorities for approval.

1.3 APPLICABLE STANDARDS
A. The fire alarm system devices shown on the Drawings do not include all the devices/ components/raceways/connections, etc., of a completely designed and engineered fire alarm system. The fire alarm system has not been submitted for review and approval by the AHJ as a complete system. The devices (if any) shown on the Drawings are to show additional devices that may exceed the Minimum Requirements of the AHJ and to define locations of selected specific significant components.

However, the Drawings do not represent all the components and work required for a complete and operable fire alarm system.

B. The Contractor shall provide design engineering services and shall provide all material and labor for a complete and operable fire alarm system. The Contractor shall submit the fully designed and engineered fire alarm system to the AHJ for review and approval as a Deferred Approval fire alarm system. All the costs for Design Engineering, AHJ review approval, material and labor for a complete and operable fire alarm system shall be included in the Contractor’s Contract.

C. The Requirements of Building Permits and Requirements of the AHJ to Proceed shall become a part of the Contract Documents. The Fire Alarm Building Permits and AHJ Approval to proceed shall be obtained by the Contractor.

D. Prior to Commencement of Work and After Completion of Work, the Contractor shall provide Written Notification to the AHJ.

1.4 APPLICABLE STANDARDS
A. The Equipment shall be listed, labeled, and approved for the application shown in Contract Documents, as fire alarm equipment complying with Requirements of

1. NFPA 72, National Fire Alarm Code.

2. NFPA, 90A. Installation of air conditioning and ventilating systems.

3. UL and the California State Fire Marshal.

4. Local Codes and authorities having jurisdiction.

5. N.E.C. Article 760.

B. Written certification by the Fire Alarm Equipment Manufacturer shall be submitted to the Architect, stating that the system and its component parts are listed and approved by the State Fire Marshal and the installation has been tested, is operational and conforms to the Requirements as set forth in Part 3, Article 24, Title 19, California Administrative Code.
28 46 20 - 2 Fire Alarm
TP-987
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

1.5 EQUIPMENT QUALIFICATIONS
A. The Equipment shall be as manufactured Simplex Time Recorder Co., Notifier, Honeywell, Pyrotronics, or Gamewell.

B. The Supplier of the Equipment shall be the Factory Authorized Distributor and Service Facility for the brand of equipment provided.

PART 2 – PRODUCTS

2.1 GENERAL SYSTEM OPERATION
A. System shall be microprocessor-based, addressable, and power-limited with Class A or Class B supervised circuits.

1. The microprocessor shall execute all supervisory and control programming to detect, report the failure or disconnection of any system module or peripheral device and initiate programmed control sequences. An isolated supervision "watchdog" circuit shall monitor the micro-processor and, upon failure, shall activate the system trouble circuits.

2. The automatic fire detection and alarm system shall consist of main control panel, evacuation alarms, remote annunciator, automatic detection devices, and manual stations, installed and wired in accordance with the Drawings and shall function as specified herein.

3. The system shall be programmable in the field, by a non-computer-trained person. All programmed information shall be stored in non-volatile memory.

4. The system shall operate both addressable and non-addressable ionization, thermal and photoelectric detecting devices, manual stations, water-flow switches, and external control modules.

5. The control panel shall provide power, annunciation, supervision and control for the fire detection and alarm system. The system shall be designed such that alarm indications override trouble and control conditions.

6. External circuit supervision shall not require additional wires other than the pair used for detection or alarm (only two wires shall be used from the control panel to each loop of initiating devices and two wires for the audible devices). These two wires shall provide both supervision and alarm signals. There shall be no loss of supervision for Class "B" wired addressable devices. Class "A" supervision may be provided by adding an additional pair of wires.

B. Alarm Conditions

1. Actuation of any manual or automatic alarm-initiating device, connected to the system shall cause the following automatic functions.
a. All alarm evacuation signaling units shall activate continuously. 28 46 20 - 3 Fire Alarm
TP-988
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. The respective zone alarm lamp or annunciator alphanumeric readout on the central control panel, and remote annunciator panel, shall be activated. c. Activate the central alarm system.

2. Actuation of HVAC air duct smoke detectors shall cause the designated fans and motors with HVAC air duct smoke detectors to stop, in the air distribution system of the building.

3. Actuation of automatic self-contained fire/smoke doors/hatches or of smoke detectors on either side of smoke/fire doors/hatches shall energize the release mechanism on the smoke door causing all fire/smoke doors to close.

4. Actuation of any fire sprinkler flow switch shall energize the release mechanism on all fire/smoke doors causing them to close and stop operation of all air distribution system equipment monitored or controlled by the fire alarm system.

5. Activate HVAC fire/smoke air dampers electrical release, causing all the fire/ smoke air dampers to close.

6. Perform any additional functions as specified herein, shown on the Drawings or required by the Fire Marshal.

C. Trouble Condition

1. A break or short in a manual or automatic fire initiating wiring circuit shall activate the respective zone trouble lamp or annunciator readout on the fire alarm control panel and sound a trouble signal at the control panel.

2. A break or short in the evacuation alarm signaling wiring circuit shall activate the trouble lamp or annunciator readout in the control panel and sound a trouble signal at the control panel.

3. 120-volt AC normal power shall be monitored with indication by a "power on" lamp. Upon normal power outage, the system shall activate a power trouble condition lamp or annunciator readout and indicate a trouble condition.

4. The control panel shall monitor the standby batteries, upon a low battery condition, activate the low battery lamp or annunciator readout, and indicate a trouble condition.

5. System ground detection shall be provided for the entire system. Upon ground detection, activate the ground detection lamp or annunciator readout and indicate a trouble condition.

6. Actuation of any fire sprinkler shut-off valve tamper switch shall activate a separate zone trouble lamp or annunciator readout for each valve. The trouble zone shall be completely independent of the fire sprinkler flow switch zone, and completely independent of any other fire alarm zone.

D. Control Panels Employing Alphanumeric Readouts shall display the required data, along with a prompt to review the list chronologically. The end of the list shall be indicated.
28 46 20 - 4 Fire Alarm
TP-989
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
E. Equipment shall be weatherproof gasketed where installed in locations exterior to the building, or where indicated on the Drawings. Weatherproof equipment shall be tamper-resistant.

F. The Control Panel shall provide power, annunciation, supervise and control for the fire detection system. The system shall be designed such that alarm indications override trouble and control conditions.

2.2 FIRE ALARM CONTROL PANEL
A. General

1. The fire alarm control panel shall be software programmable, micro-processor controlled, solid state, electronic integrated system. The panel shall be the product of one Manufacturer. The control panel shall provide power, annunciation, supervision and control for the detection and alarm system. The detection system shall remain 100% operational, responding to an alarm condition while in the routine maintenance mode.

2. Addressable detection and control devices shall be individually identified by the system, and any quantity of addressable detection devices shall be in alarm and any quantity of addressable control units shall be operable at any time up to the total number connected to the system.

3. The microprocessor shall access the system program, which is stored in nonvolatile programmable memory, for all Control-By-Event (CBE) functions. The system program shall not be lost upon failure of both primary and secondary power. Volatile memory shall not be acceptable.

4. A means shall be provided for acknowledging each abnormal condition. Each activation of the appropriate acknowledges button shall sequentially acknowledge every point in the system. After all the points have been acknowledged, the LEDs shall glow steady, and the panel audible signal will be silenced. The total number of alarms, supervisory, and trouble conditions shall be displayed along with a prompt to review each list chronologically. The end of the list shall be so indicated.

5. An alphanumeric annunciator readout shall indicate on the control panel the activation by type, loop, and address of the specific device, sub-loop or alarm/ monitor/control point via an alphanumeric display. An audible alert shall sound at the control panel and an alarm light shall flash.

6. If the microprocessor fails, the system shall execute a default-signaling program.

This program shall enable the control panel to sound the audible signals and summon the Fire Department. In addition, a red LED shall light to indicate the communication loop wherein the alarm originated. Inability of the system to sound signals or summon the fire department during microprocessor failure shall not be acceptable.
28 46 20 - 5 Fire Alarm
TP-990
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

7. Protected access to the system controls shall be provided to allow the user/ operator access to the following system functions:
a.
b.
c.
d.

Status of all addressable points.

Status of all events logged.

Set/change the real-time clock and date.

Perform an operational manual test of the system from the control panel, including actuation of any initiating device and trouble circuit without alarming the remote central station. The panel shall automatically return to normal mode in the event the panel remains unattended in the service mode.

Retrieve from event logs the last 300 alarms, or control points and 300 trouble conditions.
e.

8. Individual input (monitor) and output (control) device addressability shall all be performed on the same pair of wires. Wiring shall be Class "A" or "B". When Class "B" wiring is used, no special wiring sequence shall be required on addressable device circuits. An unlimited number of wiring branches shall be permitted with no loss of supervision.

B. Cabinet

1. A metal tamper resistant cabinet shall contain the control panel components.

Panel shall be surface or flush mounting as indicated on the Drawings. Provide a full height tamper resistant hinged locking cabinet door. The door shall have transparent, high impact windows to allow visual observation of all indicators and switches without opening the panel door.

2. "In-out" circuit conductors shall terminate on numbered screw-type terminals.

3. All groups of circuits or common equipment shall be clearly marked and shall be expandable by inserting interchangeable units.

C. Provide a Floor Plan of the Facility Framed Under Acrylic and Mounted Adjacent to the Fire Alarm Annunciator. The floor plan shall be to scale and shall have room numbers clearly displayed on all rooms corresponding to the annunciator for the purpose of easily identifying the fire zones.

D. The Control Panel shall provide positive protection against the fire alarm system inadvertently being left in a non-operating status. The alarm system shall automatically restore and resound alarms and trouble signals, if subsequent alarm initiating or trouble signals are received under any of the following conditions:

1. After the alarm or trouble silence switch have been activated.

2. Prior to resetting system after previous alarm or trouble conditions.

E. The system indicating, and operational control devices shall be mounted on the control panel face behind the panel door and shall provide the following minimum functions:

1. Individual visual indicating pilot lights annunciator or alpha numeric readout to monitor the following alarm system conditions:
28 46 20 - 6 Fire Alarm
TP-991
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
a.
b.
c.
d.
e.
f.
g.
h.
i.

Input power.

System common alarm.

System common trouble.

Alarm or trouble signal silenced.

Ground fault.

Battery conditions.

Each individual alarm, control or initiating zone-activation.

Each individual alarm, control or evacuation zone-trouble.

Report, by specific device number, any device removed from an addressable initiating circuit, all other devices shall continue to function.

2. Manual control switches to allow the following system controls:
a.
b.
c.
d.
e.
f.

Alarm silence.

Trouble silence.

Test all indicating pilot lights and readouts.

System reset, including remote devices connected to the alarm panel.

Alarm test to initiate an alarm condition from the control panel.

Central alarm disconnects for system testing without activating central alarm system.

Changing the status of configured circuits (arming or disarming and changing status of relays). If any change in status degrades system operation as configured, a trouble condition shall be reported and remain until system operation again meets configured status.

Perform multiple operations at the same time. These operations shall include but not be limited to timed functions and multiple configured sequences.
g.
h.

3. Individual indicating meters for the following information. a.
b.

Battery ammeter.

Battery voltmeter.

F. Alarm Initiating Zone Modules.

1. Shall supervise and accept remote alarm actuating device-input signals. An alphanumeric readout shall indicate separate zone alarm and trouble indicators for each zone.

2. Zones shall be compatible and designed to operate with the connected initiating devices either addressable or non-addressable type.

3. A spare double throw set of software programmable auxiliary alarm relay contacts shall be provided for control of remote devices for each zone. Contacts shall be rated 120 volt, 60Hz, 3 Ampere.

4. The quantity of alarm initiating zones shall be provided as shown on the Drawings, but in no case shall the zoning be less than the following:
28 46 20 - 7 Fire Alarm
TP-992
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
a. Addressable manually activated alarm-initiating stations by individual station location (i.e., pullstation #100 Room 100 1st floor; pullstation #300, corridor #300, 3rd floor north; etc.).

Non-addressable manually activated alarm initiating stations by floor and building area (i.e., pullstation #100 Room 100 1st floor; pullstation #300, corridor #300, 3rd floor north; etc.).

Addressable and non-addressable automatic alarm initiating devices (ceiling or wall mounted heat, flame and smoke detectors) by individual device location. Except rooms with multiple automatic smoke alarm initiating devices shall be zoned by room location (i.e., smoke detectors Corridor #121 1st floor south; flame detectors shop 404 4th floor etc.).

Elevator lobby automatic alarm initiating devices by floor level and individual elevator lobby area.

Air duct smoke detectors by individual location.

Smoke or heat activated fire doors/hatches by individual location.

Fire sprinkler water flow switch by individual location.

Fire sprinkler water shut off valve tamper switch by individual location.

Activation of the tamper switch shall sound an independent trouble signal only. Activation of the tamper switch shall not cause a general fire alarm evacuation to be activated.

Smoke detectors for activation and control of fire/smoke air dampers by individual building room/space location.
b.
c.
d.
e.
f.
g.
h.
i.

G. Evacuation Alarm Signal Control.

1. Shall supervise and activate remote evacuation alarm devices.

2. Evacuation alarm shall be compatible and designed to properly operate with the connected audio and visual evacuation alarm devices, with no signal degradation. The alarm shall have spare capacity to allow the future addition of an additional 20% evacuation alarm devices, on any circuit.

3. The evacuation alarm shall provide group evacuation signal control of all evacuation zones.

4. The alarm modules shall be field resettable to provide either continuous or coded audio evacuation alarm signals. The Coded alarm signal shall provide an intermittent "on-off" pulsed sound activation of audible evacuation alarm devices.

5. An evacuation alarm circuit trouble indicating readout shall be provided for each evacuation zone.

H. Automatic Ground Detection shall detect either positive or negative voltages when earth connections of 50,000 OHMS or less occur and activate the ground trouble signal.

1. A ground fault code shall provide indication of either a positive or negative ground fault and shall operate the general trouble devices as specified herein but shall not cause an alarm to be sounded.
28 46 20 - 8 Fire Alarm
TP-993
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. A short circuit error message shall be a standard feature of the fire alarm control panel. Each communication loop shall be monitored for short circuits and shall have a distinctive error message for visual indication of circuits and operating trouble devices as specified herein but shall not cause an alarm to be sounded.

I. Power Supply

1. The power supply shall be adequately sized to properly operate the equipment, including remotely connected, spare and future indicated equipment with all alarm devices in alarm condition. Provide 20% spare power supply capacity for future expansion. Provide transfer modules and multiple power supplies as required for proper operation.

2. Input voltage 120/240-volt or 120/208-volt 60Hz AC.

3. Lightning protection, surge transient voltage and RF noise filtering protection on the input and output phases of the power supply shall be provided.

4. Supervised voltage types (i.e., 120V, 60Hz AC, 24-volt AC, 24-volt D.C., etc.) required by special connected equipment shall be supplied, including but not limited to:
a.
b.
c.
d.
e.
f.

Alarm initiating devices.

Door or hatch hold-open or closing devices.

Automatic fire/smoke doors and dampers.

Evacuation alarm devices.

Control and annunciator panels.

Fire and smoke dampers.

5. A solid-state power transfer circuit shall provide (UPS) Uninterruptible Power supply between internal standby power and line power automatically and instantaneously if normal power fails or falls 15% of normal ("brown out" and overvoltage conditions).

6. Individual circuit fuses shall be provided for smoke detector power, main power supply signal circuits, battery standby power, and auxiliary output.

J. Battery Back-Up Operation

1. Internal batteries and battery power supplies shall be provided to allow 60 hours continuous automatic normal operation of the entire control panel and fire alarm system after the failure of the incoming utility power. Sufficient battery capacity shall remain at the end of 60-hour period to provide 10-minutes of continuous operation of all connected evacuation alarm devices.

2. Batteries shall be sealed lead-acid. Batteries shall be earthquakes restrained.

3. The battery charger shall be automatic, dual rate with capacity to recharge completely discharged batteries in 18 hours. Charger shall be temperature compensated.
28 46 20 - 9 Fire Alarm
TP-994
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

4. The battery backup system shall not be required to provide capacity to maintain the normal operation of the following devices during a failure of the incoming utility power. The automatic smoke detectors associated with these devices shall maintain operation during power failures:
a.
b.

Automatic fire/smoke air dampers “hold open” and close devices.

Automatic fire/smoke doors and hatches “hold open” and close devices.

K. Lightning and Surge Protection Device shall be a standard feature of the fire alarm control panel and shall be incorporated in the power supply circuit, common control circuits, signal circuits, and telephone line circuit.

L. Central Station

1. Circuitry shall be provided in the control panel to permit transmission of trouble and alarm signals over leased or privately owned telephone cables to a remotereceiving panel. A reverse polarity and a “master box” circuit shall be provided in the control panel. There shall be a supervised disconnect switch to allow testing of the fire alarm system without transmitting an alarm signal to the central station.

M. The Alphanumeric Annunciator shall List upon Request:

1. Alarms with time, date and location.

2. Troubles with time, date and location.

3. Status of output functions, "on" or "off".

4. Sensitivity of addressable smoke detectors.

5. Detection device number, type and location.

6. Status of remote relays, "on" or "off".

7. Acknowledgment time and date.

8. Signal silence time and date.

9. Reset time and date.

N. The System shall also provide the Following:

1. Counting the number of addressable detectors within a "zone".

2. Which are in alarm.

3. Counting "zones" which are in alarm.

4. Counting the number of addressable detectors, which are in alarm.

5. Alarm on the system.
28 46 20 - 10 Fire Alarm
TP-995
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

6. Differentiating among types of addressable detectors such as smoke detectors, manual stations, water-flow switches, thermal detectors, flame detectors etc.

7. Assigning priorities to types of detectors, zones or groups of detectors.

8. Cross-zoning.

O. Control Functions:

1. Control functions shall be assigned on the basis of multi relational system initiation patterns of detection devices including full logic element equations using as "anding" zones, counting zones, counting devices, "anding" groups, conditional "if", "then", "or" programming and "anding" types of detection devices.

2. Control functions shall be assigned on the basis of, cycle, delay, count, time of day, day of week, day of month and with a holiday schedule of up to 30-holidays per year. Each addressable detection device shall report its condition to the system control unit not less than every 4-seconds in a manner such that failure of the connections to the internal electronics of the device will result in a trouble signal which identifies the specific device involved.

3. The system shall be field programmable for the response of control points to monitored devices.

4. The operating software program shall provide programmable control for the Event-Initiated-Programs (E.I.P.) which shall allow automatic operation of system control points in the event of an alarm condition. To program these E.I.P.'s, the system shall use a specifically designed user friendly programming language, which shall not require a knowledge of computer programming to learn and understand.

5. The operating software shall support the following additional capabilities:
a.
b.
c.

Three levels of designated and unique Priority Alarms for each point.

Designated "Sense Mode" for status interpretation for each point.

Designated Print/No Print/Vectoring Mode for each point.

6. The input statement defines the conditions required to activate the associated output statement. The input statement shall consist of single or multiple monitor point status, subroutine status, time comparison and the utilization of AND, OR, NOT, COUNT, and DELAY logic functions.

7. The output statement defines the action to be taken by the control panel. The output statement shall consist of activation/deactivation of single or multiple control functions, subroutines, and remote Annunciator status LED's. Output statements shall also include the "Alert" messages.

8. The software shall provide an "alert" message, unique to each point in the system, which will provide specific instructions for the operator on duty. These messages shall be up to five lines with up to 70 characters in each line. Each system monitor point shall have five specific alert messages when in alarm.

Control points shall also be assigned alert messages.
28 46 20 - 11 Fire Alarm
TP-996
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

9. The hardware and software shall have the capacity to accept up to 64 independent programs. Each program shall have "Edit" or "No Edit" capability.

Each program shall be written in an equation format comparable to ladder-logic equations. The Equations shall consist of an input and an output statement.

10. Provide initial programming services for coding, loading and debugging the initial Owner specified programs, as part of the Contract.

11. Programming Command Definition
a. Timing command shall provide time delay and time control functions based on internal clock/calendar by time of day; day of week; day of month; month in year.

Count command shall provide a specific number of events to occur before a control action is initiated.

Pulse command shall provide on control for a specific period of time.

Cycle command shall provide on-off control for preset periods of time.

Print command shall provide printing of specified information after an event occurs.
b.
c.
d.
e.

2.3 MANUALLY ACTIVATED ALARM INITIATING DEVICES
A. General

1. An electronic, digital multiplex, addressable module shall be incorporated into each device. The module shall communicate the status and trouble condition of each device with a unique address code. The module shall communicate with and be supervised and monitored by the fire alarm control panel.

2. Devices shall be suitable for use on a Class "A" 4-wire (Class "B", 2-wire) supervised alarm-initiating circuit.

3. Numbered screw type terminals shall be provided for "in-out" connections of the alarm circuit wiring.

4. The face of the station shall have lettering indicating "fire" and operational instructions. Stations shall be tamper-resistant, semi-flush mounting.

5. Auxiliary spare switch contact shall be provided for control of remote devices rated 120 volts, 60Hz, AC, 3-amp minimum.

6. Stations shall provide visual indication the station has been activated. A key (and/or special tool) shall be required to gain access into the station to reset the station after being activated.

7. Stations shall be "break-glass" or "non-break- glass" type as required by local Fire Marshal or indicated on the Drawings.

8. Stations installed outdoors shall be weather resistant construction, double action to activate the pull station.
28 46 20 - 12 Fire Alarm
TP-997
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

9. RF noise and transient voltage filtering shall be provided in the device electronics.

B. Pull Stations

1. Pull stations shall be non-coded single action, requiring a single manual "pulling" action to initiate the fire alarm.

2.4 AUTOMATIC ALARM INITIATING DEVICES
A. General

1. An electronic digital, multiplex, addressable module shall be incorporated into each device. The module shall communicate the status and trouble condition of each device with a unique address code. The module shall communicate with and be supervised and monitored by the fire alarm control panel.

2. Devices shall be suitable for use on a Class "A", 4-wire (Class "B", 2-wire) supervised alarm-initiating circuit. Where initiating devices are shown connected to an existing system, devices shall operate on 2-wire or 4-wire circuits plus, 2- wire power circuit, or on multiplex circuit as required by the existing equipment.

3. Numbered screw type terminals shall be provided for "in-out" connectors of the alarm circuit wiring.

4. Auxiliary double throw spare relay contact shall be provided for activation of remote rated devices 120V, 60Hz, AC, 1-amp minimum.

5. RF noise and transient voltage filtering shall be provided in the initiating device electronics.

6. Initiating devices shall be reset from the fire alarm control panel and shall not require local individual resetting.

B. Smoke Detector

1. Detectors shall comply with UL Standard 268, 167 and 168, and shall use solid state electronic circuits throughout.

2. The smoke detector shall operate on a total of two circuit wires. Alarm signaling and detector power shall use the same conductors. Detector sensitivity shall be factory set at 1.5%.

3. A fine mesh insect screen shall be provided on all detector openings.

4. The detector shall lock-in on alarm and shall provide a visual alarm/ trouble indicator light. An electromechanical test feature shall provide functional testing of the unit without smoke.
28 46 20 - 13 Fire Alarm
TP-998
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

5. The detector shall also incorporate a fixed temperature heat detector rated at 135 degrees F. The heat detector shall operate the alarm circuit and alarm/trouble light.
a. Photo electric type smoke detectors shall employ a Light Emitting Diode (LED) as the detector light source, activated by the presence of combustion smoke products. Failure of the LED shall activate the alarm/trouble light on the detector.

Ionization type smoke detector shall employ the triple chamber (dual chamber) ionization principle, activated by the presence of combustion products. The ionization chamber shall be RF shielded.
b.

6. Air duct smoke detector photo electric or ionization type for installation on a mechanical air duct. Two air tubes shall extend into the air duct. The sampling tube shall extend across the entire width of the air duct. The second tube shall allow air to escape back into the duct. Omit fixed temperature heat detector in air duct smoke detectors.

7. Area protection smoke detector, photoelectric or ionization type, self-contained inside a protective housing/cover. Separate fixed mounting base with wiring terminations and removable “plug-in” twist locking type smoke detector head.

C. Fire Detector - Heat

1. Heat detectors shall be dual action electro-thermostatic combination rate of temperature rise and fixed temperature operation. An indicator shall be visible when detector has activated.

2. The rate of rise element shall be self-restoring, after activation.

3. The fixed temperature unit shall be set at 136 degrees F (190 degrees F for high temperature areas, i.e., areas over 110 degrees F ambient.)

4. Provide a wire guard cover for the detector.

D. Fire Sprinkler Water Flow Detector

1. Vane-type water flow detectors shall be provided on the sprinkler system piping as shown on the Drawings. Detectors shall be designed for mounting on either vertical or horizontal piping but shall not be mounted in a fitting or within 12 inches of any fitting that changes the direction of water flow.

2. The detectors shall have a sensitivity setting to signal any flow of water that equals or exceeds the discharge from one sprinkler head.

3. Detector switch mechanisms shall incorporate an instantly recycling pneumatic retard element with an adjustable range of 0 to 70 seconds. Switches shall have a minimum rated capacity of 7-amp, 125-volt AC, 0.25-amp 24-volt D.C. A D.P.D.T. switch shall be actuated by a polyethylene vane extending into the waterway of the piping.
28 46 20 - 14 Fire Alarm
TP-999
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

4. Detectors shall be of weatherproof, dust tight construction and shall provide a ¾- inch conduit entrance. Detector shall be finished in red baked enamel.

5. Flow switch shall be sized to match the fire sprinkler riser pipe diameter.

E. Fire Sprinkler Valve Tamper Switch

1. Tamper switch shall monitor the position of the fire sprinkler shut-off valve.

Operation of the valve shall activate the switch and activate a trouble alarm. The valve trouble alarm shall be a separate zone from the respective water flow alarm.

2.5 EVACUATION ALARM DEVICES
A. General

1. Evacuation alarm devices shall activate automatically from the control panel.

Devices shall operate on a Class "A", 4-wire (Class "B", 2-wire) supervised alarm evacuation circuit. Series wired alarm devices shall not be used.

2. Numbered screw type terminals shall be provided for "in-out" connections of the alarm circuit wiring.

3. Devices shall be installed in a box, 3½-inch deep maximum, flush mounting unless indicated otherwise on the Drawings. Size as required for the audible alarm indicating device and wiring connections. Provide a trim ring and metal grill cover assembly. Cover assembly shall be a minimum of 1/16-inch minimum thick flat stainless steel or aluminum. Finish color as selected by Architect. The word "fire" shall appear on the grill minimum ½-inch letters. The grill shall be screw attached to the box.

4. The visual alarm-indicating device shall be an integral part of the audible alarm box assembly.

5. Each audible evacuation device shall incorporate an integral visual alarm indicator.

6. Alarm initiating devices, audible evacuation device and visual evacuation devices shall be connected to separate circuit conductors. Do not connect these devices to the same circuit conductors. The separate audible evacuation circuits shall provide coded or non-coded audible signaling independent of the visual evacuation alarms.

B. Audible Alarms

1. Vibrating Horns
a. Vibrating type horns shall be used where audible devices are shown on the Drawings for the following areas: Building egress pathways, exterior of buildings, stairs, corridors, lobbies, reception areas, shops, exercise areas, areas exceeding 300 square feet, and all other areas not specifically listed or identified.
28 46 20 - 15 Fire Alarm
TP-1000
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
b. Horn shall be heavy-duty electromagnetic vibrating type. Horns shall have field adjustable sound output level control.

Horn shall provide a minimum sound level of 95dB at 10 feet, when installed in the field operating conditions shown on the Drawings. c.

2. Mini-Horns
a. Shall be used in rooms smaller than 300 square feet. Mini-horns shall not be used as a substitute where vibrating horns are required.

Mini-horn shall be electric-piezo electronic.

Mini-horn shall provide a minimum sound level of 87dB at 10-feet, when installed in the field operating conditions shown on the Drawings. b.
c.

C. Visual Alarm Indicator

1. Lamp/Strobe internally illuminated projecting lens assembly, with flasher system.

Unit shall flash on and off to provide visual indicating of fire alarm.

2. The word "FIRE" shall appear on the lens or lens plate. The lens shall project beyond the face of the cover assembly.

3. Flash rate, 1-3 flashes per second, with approximately 0.001 second flash duration. Flash rate independent of audible device coded signal output.

4. Light source, Xenon high intensity flash strobe tube white/clear color.

5. 75-candelas minimum, 120-candelas maximum flash intensity, along the direct line perpendicular axis viewing angles. Average flash intensity shall not be less than 15-candelas from any viewing angle, to comply with 2017 NFPA 72 and UBC 1994.

6. Visual devices located in multipurpose room shall be provided with 10-gauge wire guard.

D. Door Magnetic Hold-Open and Release-Close

1. Combination electromagnet and separate “pivot” type magnet armature latch.

The mechanism shall “hold-open” and “release-close” the door from the open position to the closed position when electric power is interrupted to the “holdopen” electromagnet. Door opening operation shall be unobstructed by the holdopen mechanism.

2. The “pivot” shall provide not less than 120-degree adjustment range hinged flat plate to align to the door leaf position when the door is open. Integral “pivot” mounting plate with threaded stainless steel through-bolt attachment to the door leaf. The pivot “armature” shall make “full face” contact with the magnet when the door is open and provide shock absorbing nylon “pivot” bearing. The length of the pivot assembly shall be selected to allow the respective door to be held in a 90-degree or greater open position.

3. The electromagnet shall create magnetic force when energized to retain the armature with a hold-open force of not less than 25-pounds, (111N) and suitable 28 46 20 - 16 Fire Alarm
TP-1001
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
for continuous energized operation. Operating voltage shall match the respective electrical circuit connection. The electromagnet shall mount on and attach to surface or flush outlet box, “single-gang”, wall mounted or floor mounted.

2.6 REMOTE FIRE ALARM ANNUNCIATOR
A. General

1. The annunciator panel shall be powered and operated from the fire alarm control panel. "In-out" circuit conductors shall terminate on numbered screw-type terminals.

2. A metal tamper resistant weatherproof cabinet shall contain the annunciator components. The panel shall be surface or flush mounting as indicated on the Drawings. Provide a full height tamper resistant, hinged locking cabinet door.

Door shall have transparent high impact windows to allow visual observation of all indicators and switches.

3. An electronic digital, multiplex, addressable module shall be incorporated into the annunciator. The module shall communicate the status and trouble condition of each device with a unique address code. The module shall communicate with and be supervised and monitored by the fire alarm control panel.

B. Each Alarm Initiating Zone (including spares) shall be individually annunciated in the annunciator panel by a back lighted, translucent identification plate. The translucent plate size shall be 1-inch high by 2-inches wide. The plate shall be engraved (black letters on white) with the respective ZONE number and name to match the control panel (i.e., ZONE 1 - 1st floor pull station; ZONE 7 – 2nd floor - AHI - duct detector; ZONE 9 – 3rd floor east - smoke detector; ZONE 11 - fire sprinkler water flow; etc.).

Minimum letter size 12-point characters. Provide space for a minimum of four future zone plates.

C. A Common Fire Trouble Alarm shall be annunciated in the annunciator panel from the fire alarm control panel. The trouble annunciator shall match the alarm zone annunciator. Plate shall be marked "fire alarm system trouble". 18-point letter size.

D. A Separate Trouble/Supervisory Alarm shall be annunciated in the annunciator panel from the fire alarm control panel for each fire sprinkler water valve tamper switch.

The trouble annunciator shall match the alarm zone annunciator. Plates shall be marked "sprinkler tamper switch trouble- (location". "Location" shall be the shut off valve location being monitored.

E. Annunciator Lamp Circuits shall be automatically supervised. Provide lamp test switch in the annunciator panel.

F. An Audible Alarm/Trouble Buzzer with Silence Switch and Automatic Resound for Subsequent Alarm/Trouble Signals shall be provided. The annunciator panel shall be automatically reset when the control panel is reset.

G. Provide a Sign on each Remote Fire Alarm Annunciator. The sign shall describe the location of the fire alarm control panel(s) connected to the respective annunciator 28 46 20 - 17 Fire Alarm
TP-1002
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
(i.e., Fire Alarm Control Panel (FACP) located in Art Building, 2nd floor, Room #226, etc.). Minimum size sign letters not less than ⅜-inch high, engraved plastic nameplate.

2.7 REMOTE EQUIPMENT MONITORING AND CONTROL (REMC)
A. An Electronic Digital Multiplex Addressable Module shall be provided at each device or equipment indicated to be controlled by the multiplex system. Multiple addressable control ports shall be provided in each module quantity as required for each point controlled or monitored. The module shall communicate the monitor status, control action and trouble condition of each device with a unique address code. The module shall communicate with and be supervised and monitored by the fire alarm control panel.

B. Where Multiple Points are Monitored or Controlled, Provide Digital, Multiplex, Multipoints, Monitor, Control Panel (REMC). The panel cabinet shall be self-contained NEMA 1 indoor area, NEMA 3R for outdoor areas, construction and hinged locking door. Provide tamper switch detection zone on the cabinet door; provide 60-hour battery UPS backup and power supply, the same as required for the fire alarm control panel. Panel shall be expandable using plug-in circuit monitor/ control printed circuit cards. Provide barriered numbered terminal strips.

C. Each Control Point shall provide a Class-A or Class-B supervised "dry" relay contact single pole double throw-maintained contact rated 10-amp, 120 volt, 60Hz AC.

D. Each Monitor Point shall provide not less than one of the following supervised methods of monitoring a remote device or equipment action or status.

1. Remote "dry" contact operation normal open, normally closed or momentary contact operation.

PART 3 - EXECUTION

3.1 IDENTIFICATION (ADDITIONAL REQUIREMENTS)
A. The Inside Cover of Alarm Initiating Devices shall be marked with the zone initiating number corresponding to the zone number in the control panel. Marking shall be with a felt-tip pen.

B. The Door(s) into the Room or Closet containing the Fire Alarm Control Panel shall be provided with a sign stating, "FIRE ALARM CONTROL PANEL INSIDE". Minimum 1- inch high "block" letters, white letters on a red background. Fasten sign to door with a minimum of four screws.

3.2 TESTING
A. The Entire Fire Alarm System shall be tested after the installation is complete.

1. Individually activate each manual initiating station and verify correct alarm operation and control panel response.
28 46 20 - 18 Fire Alarm
TP-1003
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. Individually test each automatic initiating device and verify correct alarm operation, control panel response and remote equipment operation.

3. Provide pressure differential testing for each air duct smoke detector.

B. Test the Battery Back-up System by disconnecting the incoming normal power and allowing this alarm system to operate 60 hours on battery power. Sound the alarm system for 5-minutes at the end of 60 hours on battery power.

C. Perform all Electrical and Mechanical Tests Required by the Equipment Manufacturer's Certification Form. Measure and adjust each automatic detection detectors to the maximum stable sensitivity setting. Detector tests shall be performed with the detector at its operational location and under normal operational environmental conditions in the area. Bench settings are not acceptable. An operational checkout test and report shall be performed. Submit six copies of test report results. The tests and report shall include, but not be limited to:

1. A complete list of equipment installed and wired.

2. Indication that all equipment is properly installed and functions and conforms to these Specifications.

3. Test of individual zones as applicable.

4. Serial numbers, a location by zone and model number for each installed detector.

5. Voltage (sensitivity) settings for each ionization and photoelectric detector as measured in place with the HVAC system operating.

6. Response times on thermostats and flame detectors (if used).

7. Technician's name, certificate number and date.

8. The completed manual and automatic monitoring and control system shall be tested to ensure that it is operating properly. This test will consist of exposing the installed units to a standard fire test.

9. Acceptance of the system shall also require a demonstration of the stability of the system. This shall be adequately demonstrated if the system operates for a 90- day test period without any unwarranted alarms. Should an unwarranted alarm(s) occur, the Contractor shall readjust or replace the equipment and detector(s) and begin another 90-day test period. As required by the Architect, the Contractor shall recheck the detectors using the fire test after each readjustment or replacement of detectors. This test shall not start until the Owner has obtained beneficial use of the building under tests.

3.3 WIRING (ADDITIONAL REQUIREMENTS)
A. Review the Total System Point-to-Point-Wiring Layout to assure that the correct number and type of wires and conduit sizes are installed. 28 46 20 - 19 Fire Alarm
TP-1004
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Final Connections, Testing, Adjusting and Calibration shall be made under the direct Supervision of a Factory-Trained Technician of the System Supplier.

C. All Wiring shall be in Conduit.

D. All Wiring in Cabinets shall be neatly formed, laced and made up on bolt and nut terminal blocks. Tag all spare conductors. All conductors shall terminate on terminal strips with spade lugs, of adequate size for all incoming and outgoing conductors.

The strips shall be labeled as to their use and wiring diagram shall be placed on the cabinet door showing connections of all related equipment to these strips.

E. Wiring Requirements for shielding certain conductors from others or routing in separate raceways shall be as recommended by the Manufacturer's documentation.

The quantity of raceways and circuit conductors shown on the Drawings is schematic.

Provide all conduit, raceways and conductors per Manufacturers recommendations and include all material and labor costs in the Contract price.

F. The conductors used for digital, multiplex communication between the fire alarm control panel and external remote initiation devices, control points and annunciators, shall be twisted insulated pairs, each pair 100% metallic shielded, 4-pair multiconductor jacketed cable, with a separate 100% metallic shield enclosing all conductors under the jacket, #16 AWG copper conductors minimum with a separate internal ground/drain conductor, UL listed for fire alarm system use, isolation rated for 600 volts AC, 60Hz. One spare multiplex conductor cable shall be provided in all main and branch device/equipment connections for future system use. "Tees" and taps at any junction box location in the communication lines, shall be permitted by the system to additional devices without affecting proper system operation.

G. WIRE SIZE: Wire shall be sized to ensure installed circuit voltage drop does not exceed Manufacturer's recommendations, but in no case less than the following.

1. Wiring Requirements for shielding certain conductors from others or routing in separate raceways shall be as recommended by the Manufacturer's documentation. The quantity of raceways and circuit conductors shown on the Drawings is schematic. Provide all conduit, raceways and conductors per Manufacturer's recommendations and include all material and labor costs in the Contract price. The minimum insulated conductor size for fire alarm non-digital multiplex initiating circuits and control circuits shall be not less than #14 AWG (600-volt THHN/THWN) copper.

2. Conductors for evacuation alarm device circuits shall be insulated (600-volt THHN/THWN) copper conductors, quantity as recommended by Fire Alarm Manufacturer. Not more than a total of ten evacuation alarm devices shall be installed on any single circuit "run" extending from the fire alarm control panel, including "T" and "branch-tap" connections. The limit of ten devices shall count each horn or strobe as separate alarm devices (i.e., six-horns plus four strobes = ten alarm devices; five combination horn/strobe units’ equals’ ten alarm devices).

Conductors smaller than #12 AWG shall not be used for evacuation alarm device circuits:
28 46 20 - 20 Fire Alarm
TP-1005
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
Total Circuit Conductor Length
(Including "T" and "Branch" Connections)
Up to 300 feet and all device terminations
301 thru 600 feet.
601 thru 900 feet.

Between Buildings and Over 900 feet.

Minimum Wire Size
#12 AWG
#10 AWG
#8 AWG
#6 AWG
H. Air Duct Smoke Detector and Motor Controller Connections:

1. Provide a Remote Equipment Monitoring and Control REMC module for each air duct smoke detector location. Install the REMC at the respective motor control (magnetic motor starter) unit.

2. Provide connection for automatic airflow "shut-down" interlock, upon detection of smoke, by the respective air duct smoke detector from the REMC to the motor controller.

3. Provide software programming of the REMC from the fire alarm control panel to shut down all airflow control modules upon any fire alarm detection condition in the building when required by the Fire Marshal.

4. Provide ½-inchC. - 2#12 (AWG) CU-THHN/THWN from the REMC to respective motor control unit.

5. Provide connection of the REMC to the fire alarm multiplex control system with ¾-inch minimum conduit and multiplex conductors.

I. Automatic Fire/Smoke Doors/Hatches

1. Provide a remote equipment monitoring and control module REMC located at each automatic fire/smoke door and hatch containing internal or external automatic closures and/or hold open devices for fire and/or smoke.

2. Provide connection from the REMC to the respective door or hatch fire/ smoke detection system. The REMC shall monitor and report the door/ hatch automatic detection of smoke/fire. The REMC shall provide activation of the door/hatch automatic closure mechanism upon any fire alarm detection condition in the building, with software programming from the fire alarm control panel.

3. Provide ¾-inch conduit 6#14 from the REMC to the respective door/hatch system controls and hold open devices.

4. Provide connection of the REMC to the fire alarm multiplex control system with ¾-inch minimum conduit and multiplex conductors.

5. Provide ¾-inch conduit with 2#10 homerun to the fire alarm control panel from each door/hatch location, for 24-volt D.C. or 120-volt 60Hz AC control power for the door hold open/closing system.
28 46 20 - 21 Fire Alarm
TP-1006
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
J. Fire/Smoke Air Dampers

1. Provide a remote equipment monitoring and control module REMC located at each building space/room protected by fire/smoke air dampers.

2. Provide connection from the REMC to each fire/smoke air damper for the respective building space/room. The REMC shall provide activation of the respective dampers closure mechanism, with software programming from the fire alarm control panel.

3. Provide ½-inch conduit 3#14 from the REMC to each respective fire/smoke air damper.

4. Provide connection of the REMC to the fire alarm multiplex control system with ¾-inch minimum conduit and multiplex conductors.

5. Provide ¾-inch conduit with 2#10 to the fire alarm control panel from the REMC for 24-volt D.C. or 120-volt AC control power for fire/smoke air damper operators.

K. Provide Smoke Detection per NFPA 72 throughout all 1-hour corridors to operate a control module and relay in localized electrical room. From relay provide 120 VAC to each combination smoke/fire dampers; do not exceed 16-dampers per circuit.

3.4 OUTLET BOXES (ADDITIONAL REQUIREMENTS)
Device outlet boxes shall be flush mounted unless indicated otherwise on the Drawings.

Provide extension rings to finish flush with finish surface. Where the Drawings indicate surface mounted devices, outlet boxes shall be cast metal with threaded hubs. Where the conduit entrances are not exposed for surface mounted devices, provide flush outlet box behind the device box and omit the conduit hubs on the device box. Size device boxes and outlet boxes per Manufacturers recommendation and as required by Code for wire fills.

3.5 SPECIAL INSTALLATION REQUIREMENTS
A. General:

1. Whether or not shown on the Fire Alarm Drawings, the following systems shall be provided as part of the Contract. Provide fire alarm devices and connection of the systems to the fire alarm control panel including all material, labor and cost in the Contract.

2. Refer to Mechanical, Plumbing and Architectural Drawings for the location and quantity of these systems.

B. Air Duct Detectors:

1. Provide air duct smoke detectors in each supply air duct and return air duct with an air flow of 2000 CFM or greater. Coordinate with Mechanical Contractor.

Sampling tube shall extend across entire duct width.
28 46 20 - 22 Fire Alarm
TP-1007
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

2. The air duct smoke detectors shall be provided on both the return and discharge sides of the air ducts of each unit.

3. Air duct smoke detectors shall be physically accessible for testing and maintenance after installation.

4. Install the air duct smoke detectors to provide the separation distance, recommended by the Manufacturer, from obstructions in the air ducts causing non-uniform air flow patterns, including but not limited to the following:
a.
b.
c.

Elbows/bends in the air duct.

Fan/blower air source.

Air discharge or air intake louvers.

5. Provide additional airflow control “vanes” inside air ducts and air duct length extensions, where airflow turbulence causes operation problems with the respective air duct smoke detectors. Coordinate installation with Mechanical Contractor.

6. Prior to installation of smoke detectors in “air ducts”, perform airflow velocity and airflow turbulence test measurements. The tests shall be conducted at each proposed smoke detector installation location in the respective air duct, with normal operational airflow velocities present in the air ducts.

7. The smoke detector type and installation location in the respective air duct shall comply with the Manufacturer’s recommendations to insure proper smoke detector operation. Adjust the smoke detector locations and provide smoke detectors with air velocity and air turbulence sensitivities compatible with respective air duct.

8. Air duct detectors malfunctioning or failing to function as a result of incorrect application or improper installation shall be removed. Provide proper air duct smoke detector locations and provide smoke detectors with airflow velocity and air turbulence sensitivities compatible with respective air duct.

C. Fire Sprinkler Water Flow and Shut-off Valve Tamper Switches:

1. Provide fire sprinkler water flow switches installed on each main fire sprinkler rise pipe, coordinate with the Fire Sprinkler Contractor.

2. Provide fire sprinkler water valve tamper switches installed on each main fire sprinkler shut-off valve, coordinate with the Fire Sprinkler Contractor.

D. Fire/Smoke Rated Door/Hatch Closures and Hold Opens:

1. Provide connection to the fire alarm control panel, of each fire/smoke rated door/hatch and damper with self-contained fire/smoke detection, hold open or closure devices.

2. Provide automatic smoke detectors installed within 3-feet of each side of a fire/ smoke rated door/hatch and damper. Provide magnetic release hold open devices for each door/hatch. Provide connection to the fire alarm control panel. 28 46 20 - 23 Fire Alarm
TP-1008
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
E. Area Protection Automatic Smoke Detectors

1. Area protection smoke detectors shall be ceiling mounted unless noted otherwise on the Drawings.

2. Provide smoke detector quantities to ensure a minimum of one automatic smoke detector for each 600 square feet of area, (and fraction thereof) for each building space where smoke detectors are required.

3. Provide smoke detector quantities to ensure the centerline to centerline spacing of installed smoke detectors does not exceed 20 feet in the protected area.

4. Locate area protection smoke detectors a minimum of 48 inches horizontal distance from any air transfer grill, air intake grill and air discharge grill.

F. Fire/Smoke Air Dampers

1. Each room with HV/AC air supply and/or air return passing through one or more fire/smoke air dampers shall be provided with automatic smoke detector protection. The smoke detectors shall close the respective room Fire/Smoke dampers when smoke is detected by the room automatic smoke detector and activate the fire alarm control panel.

2. Provide automatic air duct smoke detectors or area protection automatic smoke detectors, for fire/smoke air dampers, based on the Requirements of Condition #1 or Condition #2 as follows:
a. Condition #1 - Where all the following criteria are true for the respective room, provide air duct smoke detectors in each HVAC air duct connecting to the room:
1) All the fire/smoke dampers for the room are located in HVAC air ducts for the respective room.

All the air ducts exceed a cross sectional area of 64 square inches.

The minimum air flow rate, during HVAC operation, in all the air ducts exceeds the Requirements of the Air Duct Smoke Detector Manufacturer’s recommendations.

The separation distance between the fire/smoke damper in each air duct and any air discharge louver, any elbow/ bend in the air duct and any fan/blower, is greater than the minimum Installation Distance Requirements of the Air Duct Smoke Detector Manufacturer’s recommendations. 2)
3)
4)
b. Condition #2 - Where any of the criteria in Condition #1 are not true, provide area protection automatic smoke detectors in the respective room.

3. Provide power and control connections to the fire/smoke dampers, and respective fire/smoke damper smoke detectors. Connect all components to the fire alarm control panel.

4. Connection of fire/smoke air dampers shall comply with the Damper Manufacturer’s recommendations, to insure proper damper and fire alarm system operation.
28 46 20 - 24 Fire Alarm
TP-1009
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
END OF SECTION 28 46 20
010423/535050
28 46 20 - 25 Fire Alarm
TP-1010
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
SECTION 32 93 44

PALM TREE PLANTING
PART 1 - GENERAL

1.1 General Conditions:

The requirements of the "General Conditions of this Contract" and the "General Provisions," shall apply to all work of this Section with the same force and effect as though repeated in full herein.

1.2 Scope of Work:

All labor, materials, equipment, and services necessary for and incidental to performing all operations of the work for this section, complete as shown on the Contract Drawings or specified herein. Work includes, but is not necessarily limited to, the following:

A. Palm Tree Planting
B. Clean Up

1.3 Quality Assurance
A. Obtain source of palms for inspection and approval by “Certified Arborist / Palm Specialist.” Contractor to submit qualifications of proposed Certified Arborist to Owner for review and approval. Contractor shall submit hourly rates of Certified Arborist, with all hours of his involvement as specified herein to be paid by Contractor. Certified Arborist shall be involved in all stages of palm tree acquisition, removal, transport, storage, planting, and maintenance. If any discrepancies occur between the Certified Arborist and the plans and specifications, it shall be brought to the immediate attention of the Owner Inspector and resolved in an acceptable manner prior to the commencement of further work. Pre-approved and recommended “Certified Arborist”/”Palm Specialist”: Mr. Gregston D. Young, GDY Consulting; ASCA Registered Consulting Arborist #731 and ISA Board Certified Master Arborist WE-9732B, Tel: 760-250-1229 or [email protected], or approved equal.

B. Submit documentation and permits (if required) that the source of palm trees is approved. Obtain palms from an approved source.

1.4 Product Delivery, and Storage:

A. Delivery

1. Protect plant material during delivery to prevent damage to root ball and fronds.

2. The Contractor shall notify the Owner Inspector seven days prior to delivery of all plant materials and shall submit an itemized list of the plants in each delivery.

Palm Tree Planting 32 93 44-1
TP-1011
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Storage

1. Store plant material in shade and protect from weather.

2. Maintain and protect plant material not to be planted within four hours.

1.5 Job Conditions:

Perform actual planting only when weather and soil conditions are suitable according to locally accepted practices.

1.6 Scheduling Work:

A. Notify the Engineer a minimum of seven (7) days in advance of balling, prepping and transporting.

B. Palm trees shall be planted at their new locations within 36 hours of removal from original ground.

PART 2 - PRODUCTS

2.1 General:

A. Palms shall be inspected by the “Certified Arborist / Palm Specialist”. Inspection shall include but not be limited to overall health and vigor, frond tying, etc. Any palms rendered unsuitable for planting because of this inspection shall not be used. Re-inspection of suitable palms will be at the Contractor’s expense.

B. All palms must be tagged, inspected, and approved by the “Certified Arborist / Palm Specialist” for planting prior to shipment and installation. All palms shall be matching in form. All palm trunks shall be straight and true.

C. All palms shall be obtained by W.D. Young & Sons Palm Nurseries, contact:

Charlie Smith, 760-347-7906.

PART 3 - EXECUTION

3.1 Defronding and Tying:

A. In preparing palm trees for relocation, all dead fronds shall be removed and the entire trunk “Classic” or “Diamond cut” clean to the height of green fronds. Care shall be taken to prevent injury to the trunk of the tree. Green fronds below “10:30-1:30 o’clock” position shall be neatly cut off leaving a 2 inch stub and all fruit and stalks. Only a drain spade shall be used to trim fronds or trunks. Tools must be sanitized with 50% bleach solution between palms. NO chainsaws shall be used in any of the prepping.

B. All remaining fronds above “10:30-1:30 o’clock” position (approximately 35 fronds) shall be lifted up and tied together around the crown in an upright position. Due caution shall be taken not to bind or injure the crown. two-ply sisal twine shall be used in tying up the fronds; wire will not be permitted. After tying, Palm Tree Planting 32 93 44-2
TP-1012
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
the tips of the fronds shall be hedged off above the crown approximately 1/4 of the frond length. Defronding and tying work shall be completed within 30 minutes of digging the rootball and carefully laying the palm down. Submit documentation that palms have been reviewed by the “Certified Arborist / Palm Specialist”. and that they are disease free.

3.2 Digging the Rootball:

A. When digging out the rootball, no excavation shall be done closer than 16 inches to the trunk at ground level (rootball should be minimum 48-inches wide by 48- inches wide and the excavation shall extend to a minimum depth of 4 feet. The bottom of the rootball shall be cut off square and perpendicular to the trunk just prior to planting on job site. Under no condition shall the Contractor cut down the size of the rootball in width or depth, without permission from Arborist B. The Contractor shall not freefall, drag, roll, or abuse the tree or put a strain on the crown at any time. A Soft High Tensile Endless Polyester Lifting Sling with a lifting rating double of the heaviest palm,shall be used around the trunk of the tree while lifting and relocating so as not to scar or skin the trunk in any way. .

At no time will trees be balled out and laid on the ground with rootball left exposed to direct sunlight and air. The rootball shall be shaded at all times.

C Palms shall not be stockpiled for replanting.

3.3 Planting of Palms:

A. Excavation for planting shall include the stripping and staking of all acceptable topsoil encountered within the areas to be excavated for the tree holes.

B. Excess soil generated from the planting holes and not used as backfill or in establishing the final grades shall be removed from the site.

C. Protect all areas from excessive compaction when trucking plants or other material to the planting site.

D. Center palm in pit or trench; align with adjacent palm plantings as indicated on plans. All palms shall be matched specimens (height, size, trunk diameter, character, etc. and shall be installed at matched planted heights).

E. Set palm plumb and hold rigidly in position until washed concrete sand has filled all voids, water jetting with 3/4-inch by five-foot-long sticker pipe on garden hose, removing all air pockets, then tamping sand firmly around rootball, before releasing palm..

F. All excavated holes shall have vertical sides with roughened surfaces and shall be of a size that is twice the diameter and 24 inch minimum. Palm shall be planted at the same depth as was originally grown. The top of the root initiation zone shall be even with the soil surface. Provide bracing as required per the recommendations of the certified arborist.

Palm Tree Planting 32 93 44-3
TP-1013
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
G. Palm back fill mix shall be as recommended by the certified arborist and agronomic soil report. The following mix may be used for bidding purposes only. Palms shall be backfilled with 100% washed concrete sand. Contractor shall submit sand sample with sieve analysis for review and approval prior to planting.

H. Palm root growth stimulant shall be as recommended by the certified arborist and agronomic soil report. The following root growth stimulant may be used for bidding purposes only. Root-growth stimulant shall be applied when the backfilling is between 1/2 to 2/3 height up the rootball. Application rate shall be per manufacturer’s specifications. Contractor shall submit root growth stimulant product information for Owner review and approval prior to application.

I. Palm planting shall be in accordance with planting detail on construction documents.

J. Palm locations shall be identified from survey of digitized information provided by Architect, upon request of the contractor. Planting shall be done prior to pedestrian hardscape installation. Contractor shall coordinate as necessary with civil engineering plans to set palms at appropriate vertical height. Location of indicated palm trunk centers as indicated on planting plans and details shall be accurately surveyed and staked on-site prior to planting. Actual palm trunk locations, when planted, shall be as surveyed to allow for installation of adjacent pedestrian hardscape as indicated on plans and details.

3.4 Palm Tree Balling, prepping, and Transporting/Transplanting A. General

1. The Work done hereunder consists of balling, prepping, trees and transporting/transporting said trees as described on the Plans.

2. The Certified Arborist shall be involved in all stages of the balling, prepping and transporting.

3. Erect barricades or signs as necessary to prohibit work, heavy vehicles, storage of materials, trenching, or any other activity detrimental to trees from occurring under tree driplines. Notify Engineer of any intention to work within tree driplines and gain approval prior to Work.

4. Obtain the services of a certified arborist (certified by the International Society of Arboriculture) for the duration of the balling, prepping and transporting of the trees. Prior to transplanting preparation, all palms are to be inspected by the Certified Arborist to evaluate the palms health and vigor, and shall provide written certification of findings and recommendations.

B. Submittals

1. Prior to beginning Work, photograph entire profile of all trees from at least two sides.

2. Palm Tree Planting
Submit one set of 4 inch x 6 inch color prints to Owner. 32 93 44-4
TP-1014
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
C. Quality Assurance

1. Contractor shall have or shall hire a subcontractor who has a California State Contractor’s C-27 License and a minimum of three years’ prior experience in balling, prepping and transporting similar sizes and types of trees. A certified arborist provided by the Contractor shall be present on the site to supervise all tree balling, prepping and transplanting.

2. Examine condition of trees to be balled, prepped. Immediately notify the Engineer of any unsatisfactory conditions detrimental to successful relocation. Beginning balling, prepping and transporting of tree means acceptance of conditions by Contractor.

3. Comply with all Federal, State, and local codes, ordinances, safety orders, and regulations of all authorities having jurisdiction over this Work.

D. Materials

1. Horticultural Materials:
a. Fungicide: “Subdue, Maxx + Cleary’s 3336 (2 ounces of Subdue and ½ lb. of Cleary’s per 100 gallons of water)” or approved equal.

When the palm trees are planted, 7-10 gallons of fungicide ‘subdue Maxx + Cleary’s 3336’, shall be applied to the roots of each palm tree in accordance with the printed instructions of the fungicide manufacturer. A copy of said printed instructions shall be furnished to the Engineer before applying any fungicide. Fungicide to be used shall be submitted to the Engineer for approval not less than 2 week days prior to its intended use. Fungicide not approved by the Engineer shall not be used.
b. Fertilizer and Amendments: As specified by certified arborist.

E. Guarantee
Should any tree fail during the balling, prepping and transporting, supply the Engineer with replacement plant material of similar or approved equal quality and size. Engineer is sole judge of need for replacement.

3.5 Cleanup:

Following planting work, all remaining excavation shall be backfilled and compacted in accordance with the requirements of the Owner Inspector. Burying of debris in holes will not be permitted. All excess soil and debris from the relocation work shall be disposed off the site by the Contractor. This site shall be left neat and clean to the satisfaction of the Owner.

Palm Tree Planting 32 93 44-5
TP-1015
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023

3.6 Maintenance:

A. Be responsible for maintenance and guarantee of all installed new palms to the satisfaction of the Owner.

1. Maintenance will include spraying to control or prevent disease and weekly water management to include soil probing and observation of soil moisture sensing devices and palm tree pruning.

2. Pruning shall be accomplished with extension ladders or boom trunk.

Climbing spikes shall not be used.

3. Pruning shall be done with reciprocal saws (chain saws will not be allowed).

4. Saw blades will be sterilized between each tree with 50 percent household bleach and 50 percent water for five minutes.

5. Pruning will be done to maintain a neat appearance as approved by the Owner.

6. Proposed pruning schedule is to be submitted to the Owner for approval.

B. 90 days after install, cut and fully remove sisal twine around fronds.

3.7 Inspection:

1. Inspection by Certified Arborist, certified by the International Society of Arboriculture. All palms are to be inspected for disease prior to their preparation for removal from the nursery. Contractor shall contact, schedule, and pay for inspection. The inspection will take place from ground level with field glasses. If disease is suspected, provide manlift for closer inspection of palm crown. Provide the manlift or other equipment as required, at no additional cost to the Owner.

2. All palms will be observed by the Certified Arborist for height, girth, and overall form in meeting design intent. Said observation and approval does not constitute a review of the palm’s health, vigor, and required health-free state, for which the Contractor is solely responsible.

3. Inspection and approval of new tree locations prior to digging pits.

4. Inspection of prepping and tying prior to loading of trees.

5. Inspection of palm planting operations in place.

6. Inspection for final acceptance and release from maintenance following completion of the maintenance period.

Palm Tree Planting 32 93 44-6
TP-1016
City of Gardena
GARDENA COMMUNITY AQUATICS & SENIOR CENTER 10/12/2023
B. Inspection/Observation schedule.

Contact Owner and Certified Arborist a minimum
advance of scheduled inspections/observations.
of 48 hours (2 working days) in
Inspection
Observation
Contact:

Certified Arborist/Palm Specialist
Owner
Engineer

1. Inspection of palm trees
at source.

X X

2. Inspection of defronding,
prepping, and tying,
as palms are dug in field. X

3. Observation of palm tree
locations prior to digging
planting pits. X X

4. Observation of typical palm
planting. X X

5. Pre-maintenance observation. X X

6. *Inspection of palms at 12
months past 90 day maintenance X

7. *Inspection of palms at 20 months
past 90 day maintenance. X
*NOTE: items 6 and 7 to be paid by Owner.

3.8 Guarantee
A. Newly planted palm trees shall be guaranteed against any and all poor, inadequate, or inferior plant materials, and workmanship for two years following planting and acceptance by Owner. Transplanted palm trees shall be guaranteed for one year, under the same conditions above, following planting and acceptance by the Owner.

B. During the guarantee period, any material found dead or not in satisfactory growth condition shall be removed from the site. These tree and disturbed improvements shall be replaced at no expense to the Owner, with the same variety and size as originally designated. Palms and all disturbed areas shall be guaranteed for one year from time of planting and replanting to the satisfaction of the Owner.

Palm Tree Planting 32 93 44-7
TP-1017

APPENDIX A

GEOTECHNICAL INVESTIGATION REPORT

GEOTECHNICAL INVESTIGATION

PROPOSED COMMUNITY AQUATIC AND

SENIOR CENTER
1654 West 160th Street
Gardena, California
For
RJM Design Group
22885 Savi Ranch Parkway  Suite E  Yorba Linda  California  92887 voice: (714) 685-1115  fax: (714) 685-1118  www.socalgeo.com November 18, 2021
RJM Design Group
31591 Camino Capistrano
San Juan Capistrano, California 92675
Attention: Mr. Eric Chastain, LLA
Principal, Landscape Architect

Project No.: 21G242-1
Subject: Geotechnical Investigation
Proposed Community Aquatic and Senior Center
1654 West 160th Street
Gardena, California
Mr. Chastain:

In accordance with your request, we have conducted a geotechnical investigation at the subject site. We are pleased to present this report summarizing the conclusions and recommendations developed from our investigation.

We sincerely appreciate the opportunity to be of service on this project. We look forward to providing additional consulting services during the course of the project. If we may be of further assistance in any manner, please contact our office.

Respectfully Submitted,
SOUTHERN CALIFORNIA GEOTECHNICAL, INC.

Pablo Montes Jr.

Staff Engineer
Gregory K. Mitchell, GE 2364
Principal Engineer
Distribution: (1) Addressee
Proposed Community Aquatic and Senior Center – Gardena, CA Project No. 21G242-1

TABLE OF CONTENTS

1.0 EXECUTIVE SUMMARY 1

2.0 SCOPE OF SERVICES 3

3.0 SITE AND PROJECT DESCRIPTION 4

3.1 Site Conditions 4

3.2 Proposed Development 4

4.0 SUBSURFACE EXPLORATION 5

4.1 Scope of Exploration/Sampling Methods 5

4.2 Geotechnical Conditions 5

5.0 LABORATORY TESTING 7

6.0 CONCLUSIONS AND RECOMMENDATIONS 9

6.1 Seismic Design Considerations 9

6.2 Geotechnical Design Considerations 11

6.3 Site Grading Recommendations 13

6.4 Construction Considerations 17

6.5 Foundation Design and Construction 19

6.6 Floor Slab Design and Construction 21

6.7 Exterior Flatwork Design and Construction 22

6.8 Retaining Wall Design and Construction 22

6.9 Pool Design and Construction 25

6.10 Pavement Design Parameters 26

7.0 GENERAL COMMENTS 28

APPENDICES
A Plate 1: Site Location Map
Plate 2: Boring Location Plan
B Boring Logs
C Laboratory Test Results
D Grading Guide Specifications
E Seismic Design Parameters
Proposed Community Aquatic and Senior Center – Gardena, CA Project No. 21G242-1