Ukiah City Council
November 19, 2025

Fiber Optic Cable and Appurtenances
16125-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16125 (CONFORMED) PART 3 EXECUTION

3.01 EXAMINATION
A. Verify the condition of the conduit system before installation of the fiber optic cable or inner duct.

B. Pass a test mandrel through all fiber optic conduits prior to pulling fiber or installing inner duct.

1. Run the mandrel in both directions.

C. Examine all materials and equipment before installation and verify they are free from physical damage and defects.

3.02 PREPARATION
A. Equipment support and anchoring to structures:

1. Prepare anchor setting template(s) and use to position anchors during construction of supporting structures.

2. Install anchors of type and material indicated on approved anchoring designs.

3. Install anchors with embedment indicated on approved anchoring designs.

B. Before fiber splicing terminating or testing activities, verify sufficient workspace is available to perform the activity without interferences from other trades.

C. Pre-installation test:

1. Upon arrival at the site:
a. Inspect the cable and reel for damage.
b. Test all fibers with an optical time domain reflectometer (OTDR) for fiber integrity.
c. Verify that the fiber lengths are consistent with the cable manufacture. d. Verify that all traces yield no point discontinuities.

2. Complete test sequence and obtain approval from the Engineer of submitted test results before cable installation.

3.03 INSTALLATION
A. Install fiber optic patch cords in open network trays or in dedicated conduits no longer than 25 feet in length.

B. Install fiber optic cable in continuous lengths without intermediate splices, except where approved by the Engineer.

C. Cable installation:

1. Properly attach the fiber optic cable’s strength elements to a 600-pound breakaway swivel containing tension or shear pins using Kellums pulling grips that are a minimum of 18 inches long.

2. Certify that cable tensile limits do not exceed cable pull tension and bend limits using tension monitoring devices.

3. Leave an extra loop of fiber optic cable in each pull box.

Fiber Optic Cable and Appurtenances
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4. Conform with the cable manufacturer's specifications, practices, and the following requirements:
a. When power equipment is used to install fiber optic cables, use low speeds and do not exceed a rate of 30 meters per minute. b. Do not exceed the tensile and bending limitation for fiber optic cables under any circumstances.
c. Use large diameter wheels, pulling sheaves, and cable guides to maintain the specified bending radius.
d. Use commercial dynamometers or load cells to monitor pulling tension. e. A nonfreezing type of swivel inserted between the pulling line and cable pulling grip to prevent twisting under strain.
f. All cable to be installed using a breakaway swivel.

5. Apply to all conduits a lubricant at each conduit ingress and egress location during the pull operation:
a. Pour or pump lubricant into the end of the conduit at the feed location at a nominal application rate of 3 gallons per 1,000 feet of cable. b. If the conduit is open at intermediate locations, then apply the appropriate proportion of lubricant at each opening.
c. Continuously lubricate the cable as it is being pulled by pouring or pumping the lubricant into the conduit at the feed location and at each intermediate location.
d. Station workers at each intermediate location as required. e. Remove all excess lubricant that has collected.
f. Remove and clean the surrounding area after cable installation.

6. Install using a hydraulic capstan or winch equipped with a recording running line dynamometer graph which measures and records pulling tensions:
a. Use pulling equipment with slip-load capability to allow the winch to maintain a constant pulling force without taking up the winch line. b. Use pulling equipment equipped with a hydraulic bypass set so that a maximum tension of 600 pounds is not exceeded.
c. Use only equipment designed to prevent a preset pulling tension from being exceeded.
d. Fiber optic cable manufacturer to provide the pulling tension setpoint. e. If during the pulling operation excessive tension is detected, cease all operations and notify the Engineer.

7. Position the cable reel at the feed point in alignment with the raceway and in such a position that the cable can be passed from the top of the reel in a long, smooth bend into the raceway system:
a. The use of a cable feeder is required, unless the cable is hand-pulled.

8. Supply all bull wheels, blocks, split wheels, cable feeders, and necessary equipment required to provide a clean and safe operation:
a. The cable shall not be allowed to travel over any wheel or block that has a radius less than the minimum radius allowed by the cable manufacturer.

9. Minimize the use of snatch blocks and rollers to guide the cable into the conduit at the feed point:
a. Slack feed by hand the cable into the feed point and raceway without the use of rollers.

10. Tend the cable reel at all times and turn by hand to provide the required cable slack:
a. Under no circumstances shall the cable tension be allowed to turn the cable reel.

Fiber Optic Cable and Appurtenances
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16125 (CONFORMED)

11. Use a rim roller, with a wheel radius greater than the minimum cable bending radius placed at the manhole or vault opening to prevent the cable from dragging on the manhole rim or steps.

12. Perform a continuous thorough visual inspection for flaws, breaks, and abrasions in the cable sheath as the cable leaves the reel, and maintain a slow pulling speed to permit this inspection.

13. Damage to the sheath or finish of the cable is cause for rejecting the cable:
a. Replace any cable damaged in any way during installation.

14. If the cable becomes damaged during installation, stop operations and notify the Engineer immediately:
a. Engineer to determine whether to replace the entire reel of cable or to install a termination panel to eliminate the damaged section.

15. Document all pulls by a graph which is annotated with the following information:
a. Reel number.
b. Pull point ID.
c. Date and time.
d. Explanations for abnormalities in readings or interruptions. e. Sign-off by Contractor and Engineer.

16. Under no conditions shall the fiber optic cable be left exposed or unattended.

D. Provide inner duct in fiber optic conduits as indicated on the Drawings, cable schedule, and as specified in Section 16130 - Conduits:

1. Provide a pull rope in each unused inner duct.

E. After the cables are installed and spliced:

1. Rack the cables:
a. Loosely secure in racked position with wire ties.
b. Attach imprinted plastic-coated cloth identification/warning tags to each cable in at least 2 locations in each handhole/manhole.

F. Splices:

1. Provide field splices in a splice tray located in a waterproof splice enclosure:
a. Manufacturers: The following or equal:
1) Tyco/Raychem, FOSC style splice enclosure.

2. Loop the individual fibers a minimum of 1 full turn within the splice tray to avoid macro/micro bending.

3. After completion of cable terminations, neatly dress all cables.

4. Protect all splices with a thermal shrink sleeve.

5. Provide fusion type fiber optic cable splicing meeting the following requirements:
a. Joins multimode fibers.
b. Establishes a permanent fusion splice.
c. Waterproof.
d. Re-enterable, rearrangable, and reusable.
e. Splice loss less than 0.10 dB.
f. Protected by a splice enclosure.

6. Requirement for outdoor fiber splice enclosures:
a. Seal.
b. Bond.
c. Anchor.

Fiber Optic Cable and Appurtenances
16125-11 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16125 (CONFORMED) d. Protect fiber optic cable splices.
e. Stand-alone unit that does not require an outer enclosure. f. Provide for a maximum of 6 cable entries in a butt-end configuration. g. Used in aerial, underground, and direct buried applications.

7. Requirement for indoor fiber splice enclosures:
a. Anchor.
b. Protect fiber optic cable splices.
c. Stand-alone unit that does not require an outer enclosure. d. Suitable for the minimum number of splices at that location plus additional capacity for reconfigurations.

8. Re-splice any splice that has a loss greater than 0.10 dB.

9. Leave a minimum of 20 feet of fiber optic cable at each end of splice.

G. Terminations:

1. Terminate all fiber inside a patch panel:
a. Direct landing to a switch, router hub, or PLC will not be allowed.

2. Terminate outdoor cables using a breakout kit that seals the cable and provides physical protection for the fiber strands.

3. Terminate indoor cables using breakout kits with field installed terminators.

4. Labeling:
a. Permanently label all cable terminations. Use labels produced by a wire printer using pressure sensitive polyester labels.
b. Label patch panels as specified in Section 16075 - Identification for Electrical Systems.

3.04 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Source testing:

1. Before shipment and while on the shipping reel, test 100 percent of all fibers for attenuation:
a. Copies of the results shall be:
1) Maintained on file.
2) Attached to the cable reel in a waterproof pouch.
3) Submitted before the delivery of the cable to the job site to Engineer for approval.

2. Conduct the flex test in accordance with EIA FOTP-104 test condition I and III with a maximum sheave diameter of 20 times the cable OD.

3. Verify that the cable withstands 25 impact cycles with:
a. The average increase in attenuation for the fibers less than 0.20 dB at 1,550 nm.
b. No evidence of cracking or splitting.
c. Conduct the test in accordance with EIA FOTP-25.

4. Certify that the cable withstands a tensile load of 2,700 N (600 pounds):
a. Without exhibiting an average increase in attenuation of greater than

0.10 dB.
b. Test in accordance with EIA FOTP-33 using a maximum mandrel and sheave diameter of 560 millimeters.
c. Apply the load for 1 hour in Test Condition II.

Fiber Optic Cable and Appurtenances
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5. Certify that the cable withstands a simulated lightning strike:
a. Peak value of the current pulse greater than 105kA.
b. Use a test current with a damped oscillatory maximum time-to-peak value of 15 µs (which corresponds to a minimum frequency of 16.7 kHz) and a maximum frequency of 30 kHz.
c. The time to half-value of the waveform envelope 40 to 70 µs. d. Conduct the test in accordance with the EIA FOTP-181. e. In addition to the analysis criterion set forth in EIA FOTP-181, the integrity of the buffer tubes (or analogous loose tube, i.e., core tube) and strength members must be intact after removal of the cable specimens from the test box.

6. Furnish test reports and Manufacturer’s Certificate of Source Testing.

C. Installation Verification:

1. Furnish Manufacturer’s Certificate of Installation Verification.

D. Functional Testing:

1. Conduct post-installation tests of the fiber optic system as specified in Section 16950 - Field Electrical Acceptance Tests.

3.05 FIELD QUALITY CONTROL
A. Utilize personnel certified by the manufacturer with specific knowledge of the cable manufacturer's recommended installation procedures.

B. General:

1. All test results shall meet or exceed manufacturer specifications:
a. Test each fiber of each cable for breaks, abnormalities, and overall attenuation characteristics.

2. Pre-installation tests and post-installation tests to be witnessed and signed off by Engineer and Owner.

3. Perform OLTS test with equipment capable and calibrated to show anomalies of 0.1 dB as a minimum:
a. Test multimode fibers at 850 nm and 1,300 nm.

4. Perform OTDR tests on fiber cables less than 100 meters with the aid of a launch cable:
a. Adjust OTDR pulse width settings to a maximum setting of 1/1,000th of the cable length or 10 nanoseconds.

C. Manufacturer’s field service:

1. Provide the services of a certified manufacturer's engineering representative for the equipment specified in this Section at the jobsite for the frequency and minimum duration (travel time excluded) as specified below to perform the following services:
a. One 8-hour day for inspection, assistance during installation and alignment, and certification of proper installation:
1) Submit a certificate of installation.
b. One 8-hour-day for assistance and witnessing of system testing and any required troubleshooting.

3.06 ADJUSTING (NOT USED)

Fiber Optic Cable and Appurtenances
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3.07 CLEANING
A. Clean all fiber optic connectors after termination and before testing. After cleaning, cover all un-terminated connectors with a protective boot.

B. At the completion of construction, touch up the finish on all fiber patch panels and enclosures.

3.08 PROTECTION
A. Protect the fiber system from physical damage and the encroachment of dust, before, during, and after installation.

3.09 SCHEDULES (NOT USED)

END OF SECTION

Conduits
16130-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) SECTION 16130

CONDUITS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Metallic conduits.

2. Nonmetallic conduits.

3. Conduit bodies.

4. Conduit fittings and accessories.

5. Conduit installation.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. American National Standards Institute (ANSI):

1. C80.1 - Electrical Rigid Steel Conduit.

C. National Electrical Manufacturer’s Association (NEMA):

1. RN-1 - Polyvinyl Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit and Intermediate Steel Conduit.

2. TC2 - Electrical Polyvinyl Chloride (PVC) Conduit.

3. TC3 - Polyvinyl Chloride (PVC) Fittings for Use with Rigid PVC Conduit and Tubing.

D. Underwriters Laboratories (UL):

1. 1 - Standard for Flexible Metal Conduit.

2. 6 - Standard for Electrical Rigid Metal Conduit - Steel.

3. 360 - Standard for Liquidtight Flexible Steel Conduit.

4. 651 - Standard for Schedule 40, 80, Type EB and A Rigid PVC Conduit and Fittings.

5. 1203 –Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations.

6. 1660 - Standard for Liquidtight Flexible Nonmetallic Conduit.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions and abbreviations:

1. Conduit bodies: A separate portion of a conduit system that provides access through a removable cover to the interior of the system at a junction of 2 or more conduit sections. Includes, but not limited to, Shapes C, E, LB, T, X, etc.

2. Conduit fitting: An accessory that primarily serves a mechanical purpose.

Includes, but not limited to, bushings, locknuts, hubs, couplings, reducers, etc.

Conduits
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3. GRC: Galvanized rigid steel conduit.

4. PCS: Polyvinyl chloride (PVC) coated rigid steel conduit.

5. PVC: Polyvinyl chloride rigid nonmetallic conduit.

6. SLT: Sealtight-liquidtight flexible conduit.

7. NPT: National pipe thread.

1.04 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Furnish complete manufacturer’s catalog sheets for every type and size of conduit, fitting, conduit body, and accessories to be used on the Project.

2. Furnish complete manufacturer’s recommended special tools to be used for installation if required.

3. Certified test results for PVC-coated metallic conduit showing the adhesive bond is stronger than the tensile strength of the PVC.

C. Shop drawings:

1. Furnish conduit routing plans for conduits before the installation of any conduit.

2. Detail the intended routing of each conduit, conduit material and include supporting methods.

3. Number conduits in accordance with the Contract Documents. a. Provide conduit labels as specified in Section 16075 - Identification for Electrical Systems.

D. Certifications:

1. Furnish PVC-coated conduit manufacturer’s valid, unexpired certification for each installer.

E. Record Documents:

1. Incorporate all changes in conduit routing on electrical plan drawings.

2. Dimension underground and concealed conduits from building lines.

3. Furnish hard copy drawings.

1.05 QUALITY ASSURANCE
A. All conduits, conduit bodies, and fittings shall be UL listed and labeled.

B. Every installer of PVC-coated metallic conduit shall be certified by the manufacturer for installation of the conduit, and be able to present a valid, unexpired installer certification card prior to installation beginning.

1.06 DELIVERY, STORAGE, AND HANDLING
A. Do not expose non-metallic conduit to direct sunlight.

B. Do not store conduit in direct contact with the ground.

Conduits
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1.07 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.08 SEQUENCING
A. Before installing any conduit or locating any device box:

1. Examine the complete set of Drawings and Specifications, and all applicable shop drawings.

2. Verify all dimensions and space requirements and make any minor adjustments to the conduit system as required to avoid conflicts with the building structure, other equipment, or the work of other trades.

B. Duct bank construction and direct buried conduit installation have a prerequisite of fulfilling all aspects of Section 02280 - Subsurface Utility Engineering.

C. Before performing any trenching, the following prerequisites must be met for each underground conduit routing:

1. Review of existing civil record drawings for recorded underground utilities.

2. Existing underground utility horizontal and vertical location by at least 1 of the following methods:
a. Soft excavation.
b. Local utility location service, CALL BEFORE YOU DIG or equal.

3. Protection of any discovered existing underground utility shall remain intact until the nearby duct bank installation is complete.

1.09 SCHEDULING (NOT USED)

1.10 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.11 SYSTEM START-UP (NOT USED)

1.12 OWNER’S INSTRUCTIONS (NOT USED)

1.13 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Galvanized rigid steel conduit:

1. One of the following or equal:
a. Western Tube and Conduit.
b. Allied Tube and Conduit.
c. Wheatland Tube Co.

Conduits
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) B. PVC-coated rigid steel conduit:

1. One of the following or equal:
a. Robroy Ind.
b. Ocal, Inc.
c. Calbond.
d. Allied.
e. NEC, Inc. BlackGuard.

C. Sealtight-liquidtight flexible conduit:

1. One of the following or equal:
a. Southwire.
b. AFC Cable Systems.
c. Electri-Flex Co.
d. Anaconda.

D. Rigid nonmetallic PVC conduit:

1. One of the following or equal:
a. Carlon.
b. Cantex.
c. Triangle Conduit and Cable.

E. Conduit bodies:

1. One of the following or equal:
a. Crouse-Hinds.
b. Appleton.
c. O-Z/Gedney.
d. Ocal, Inc.
e. Robroy Ind.
f. Calbond.
g. Carlon.

F. Joint compound:

1. The following or equal:
a. Thomas & Betts.

G. Galvanized rigid steel conduit expansion fittings:

1. One of the following or equal:
a. Crouse-Hinds.
b. Appleton.
c. O-Z/Gedney.

H. PVC-coated rigid steel conduit expansion fittings:

1. One of the following or equal:
a. Ocal, Inc.
b. Robroy Ind.
c. NEC, Inc. BlackGuard.

Conduits
16130-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) I. Conduit sleeve:

1. One of the following or equal:
a. Crouse-Hinds.
b. Appleton.
c. O-Z/Gedney.

J. Conduit seals:

1. One of the following or equal:
a. Appleton.
b. Crouse-Hinds.
c. O-Z/Gedney.

K. Conduit hangers and supports:

1. As specified in Section 16070 - Hangers and Supports.

L. Conduit through wall and floor seals:

1. The following or equal:
a. O-Z/Gedney:
1) Type "WSK."
2) Type “CSM.”

2.02 SYSTEM DESCRIPTION
A. Provide conduits, conduit bodies, fittings, junction boxes, and all necessary components, whether or not indicated on the Drawings, as required, to install a complete electrical raceway system.

B. Provide location and protection of existing underground utilities, underground conduit trenching, conduit and backfill necessary for the complete installation of underground conduits.

2.03 EXISTING PRODUCTS (NOT USED)

2.04 MATERIALS (NOT USED)

2.05 MANUFACTURED UNITS (NOT USED)

2.06 EQUIPMENT (NOT USED)

2.07 COMPONENTS
A. GRC:

1. All threads: NPT standard conduit threads with a 3/4-inch taper per foot:
a. Running conduit threads are not acceptable.

2. Hot-dip galvanized inside and out:
a. Ensures complete coverage and heats the zinc and steel to a temperature that ensures the zinc alloys with the steel over the entire surface. b. Electro-galvanizing is not acceptable.

3. Manufactured in accordance with:
a. UL-6.
b. ANSI C80.1.

Conduits
16130-6 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) B. PCS:

1. The steel conduit, before PVC coating, shall be new, unused, hot-dip galvanized material, conforming to the requirements for Type GRC.

2. Coated conduit NEMA Standard RN-1:
a. The galvanized coating may not be disturbed or reduced in thickness during the cleaning and preparatory process.

3. Factory-bonded PVC jacket:
a. The exterior galvanized surfaces shall be coated with primer before PVC coating to ensure a bond between the zinc substrate and the PVC coating.
b. Nominal thickness of the exterior PVC coating shall be 0.040 inch except where part configuration or application of the piece dictates otherwise. c. PVC coating on conduits and associated fittings shall have no sags, blisters, lumps, or other surface defects and shall be free of holes and holidays.
d. The PVC adhesive bond on conduits and fittings shall be greater than the tensile strength of the PVC plastic coating:
1) Confirm bond with certified test results.

4. A urethane coating shall be uniformly and consistently applied to the interior of all conduits and fittings:
a. Nominal thickness of 0.002 inch.
b. Conduits having areas with thin or no coating are not acceptable. c. All threads shall be coated with urethane.

5. The PVC exterior and urethane interior coatings applied to the conduits shall afford sufficient flexibility to permit field bending without cracking or flaking at temperature above 30 degrees Fahrenheit (-1 degree Celsius).

6. PCS conduit bodies and fittings:
a. Malleable iron.
b. The conduit body, before PVC coating, shall be new, unused material and shall conform to appropriate UL standards.
c. The PVC coating on the outside of conduit bodies shall be 0.040-inch thick and have a series of ribs to protect the coating from tool damage during installation.
d. 0.002-inch interior urethane coating.
e. Utilize the PVC coating as an integral part of the gasket design. f. Stainless steel cover screw heads shall be encapsulated with plastic to ensure corrosion protection.
g. A PVC sleeve extending 1 conduit diameter or 2 inches, whichever is less, shall be formed at each female conduit opening.
1) The inside diameter of the sleeve shall be the same as the outside diameter of the conduit to be used.
2) The sleeve shall provide a vapor- and moisture resistant seal at every connection.
3) Fittings shall be Form 8 and supplied with plastic encapsulated stainless steel cover screws. Fittings shall be UL Type 4X. Fittings shall be from the same manufacturer as the conduit in order to maintain system continuity and warranty.

Conduits
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) C. SLT:

1. Temperature rated for use in the ambient temperature at the installed location but not less than the following:
a. General purpose:
1) Temperature range: -20 degrees Celsius to +80 degrees Celsius. b. Oil-resistant:
1) Temperature range: -20 degrees Celsius to +60 degrees Celsius.

2. Sunlight-resistant, weatherproof, and watertight.

3. Manufactured from single strip steel, hot-dip galvanized on all 4 sides before conduit fabrication.

4. Strip steel spiral wound resulting in an interior that is smooth and clean for easy wire pulling.

5. Overall PVC jacket.

6. With integral copper ground wire, built in the core, in conduit trade sizes 1/2 inch through 1-1/4 inch.

D. PVC:

1. Extruded from virgin PVC compound:
a. Schedule 40 unless otherwise specified.
b. Schedule 80 extra-heavy wall where specified.

2. Rated for 90 degrees Celsius conductors or cable.

3. Rated for use in direct sunlight.

E. Conduit bodies:

1. Material consistent with conduit type:
a. Malleable iron bodies and covers when used with Type GRC. b. PVC bodies and covers when used with Type PVC.
c. PVC-coated malleable iron bodies and covers when used with Type PCS.

2. Conduit bodies to conform to Form 8, Mark 9, or Mogul design:
a. Mogul design conforming to NEC requirements for bending space for large conductors for conduit trade sizes of 1 inch and larger with conductors No. 4 AWG and larger, or where required for wire-bending space.

3. Gasketed covers attached to bodies with stainless steel screws secured to threaded holes in conduit body.

2.08 ACCESSORIES
A. Connectors and fittings:

1. Manufactured with compatible materials to the corresponding conduit.

B. Insulated throat metallic bushings:

1. Construction:
a. Malleable iron or zinc-plated steel when used with steel conduit. b. Positive metallic conduit end stop.
c. Integrally molded non-combustible phenolic-insulated surfaces rated at 150 degrees Celsius.
d. Use fully insulated bushings on nonmetallic conduit system made of high-impact 150 degrees Celsius rated non-combustible thermosetting phenolic.

Conduits
16130-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) C. Insulated grounding bushings:

1. Construction:
a. Malleable iron or steel, zinc-plated, with a positive metallic end stop. b. Integrally molded non-combustible phenolic-insulated surfaces rated at 150 degrees Celsius.
c. Tin-plated copper grounding saddle for use with copper or aluminum conductors.

D. Electrical unions (Erickson Couplings):

1. Construction:
a. Malleable iron for use with steel conduit.
b. PVC-coated malleable iron for use with PCS conduit.
c. Concrete tight, 3-piece construction.
d. Rated for Class I Division 1 Group D in hazardous areas.

E. SLT fittings:

1. Construction:
a. Malleable iron.
b. Furnished with locknut and sealing ring.
c. Liquidtight, raintight, oiltight.
d. Insulated throat.
e. Furnish as straight, 45-degree elbows, and 90-degree elbows. f. Designed to prevent sleeving:
1) Verify complete bonding of the raceway jacket to the plastic gasket seal.
g. Equipped with grounding device to provide ground continuity irrespective of raceway core construction. Grounding device, if inserted into raceway and directly in contact with conductors, shall have rolled-over edges for sizes under 5 inches.
h. Where terminated into a threadless opening using a threaded hub fitting, a suitable moisture-resistant/oil-resistant synthetic rubber gasket shall be provided between the outside of the box or enclosure and the fitting shoulder. Gasket shall be adequately protected by and permanently bonded to a metallic retainer.

2. Corrosion-resistant and outdoor SLT fittings:
a. Construction:
1) PVC-coated liquidtight fittings with a bonded 0.040-inch-thick PVC coating on the metal connector to form a seal around the SLT conduit.
2) Insulated throat and an integral sealing ring.

F. Hubs for threaded attachment of steel conduit to sheet metal enclosures:

1. Construction:
a. Insulated throat.
b. PVC-coated when used in corrosive areas.
c. Bonding locknut.
d. Recessed neoprene O-ring to ensure watertight and dusttight connector. e. 1/2-inch through 1-1/4-inch steel zinc electroplated. f. 1-1/2-inch through 6-inch malleable iron zinc plated.

Conduits
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2. Usage:
a. All conduits in damp, wet, outdoor, and corrosive areas shall use threaded hubs for connections to sheet metal enclosures.

G. Sealing fittings:

1. Construction:
a. 40-percent wire fill capacity.
b. PVC-coated when used in corrosive areas.
c. PVC Coated Hazardous (Classified) Location fittings must be UL 1203 listed after the coating is applied and have a red metal tag attached to the fitting to signify compliance.
d. Malleable ductile iron with steel conduit.
e. Aluminum with aluminum conduit.
f. Type EYDX where drains are required.
g. Type EYSX where drains are not required.
h. UL 1203 listed for use in Class I, Division 1, Groups A, B, C, D; Class I, Division 2, Groups A, B, C, D; and Class II, Divisions 1 and 2, Groups E, F, and G.

2. Sealing compound:
a. Fiber filler and cement as recommended by the sealing fitting manufacturer.
b. Approved for the conditions and use.
1) Not affected by surrounding atmosphere or liquids.
c. Melting point shall be 200 degrees Fahrenheit minimum.

H. PVC fittings:

1. Materials:
a. All devices shall be made of PVC, using the same materials as used for Type PVC conduit.
b. All metal hardware shall be stainless steel.

I. Through wall and floor seals:

1. Materials:
a. Body: Casting of malleable or ductile iron with a hot-dip galvanized finish. a. Grommet: Neoprene.
b. Pressure rings: PVC-coated steel.
c. Disc material: PVC-coated steel.

J. Expansion/deflection couplings:

1. Use to compensate for movement in any directions between 2 conduit ends where they connect.

2. Shall allow movement of 3/4 inch from the normal in all directions.

3. Shall allow angular movement for a deflection of 30 degrees from normal in any direction.

4. Constructed to maintain electrical continuity of the conduit system.

5. Materials:
a. End couplings: Bronze or galvanized ductile iron.
b. Sleeve: Neoprene.
c. Bands: Stainless steel.
d. Bonding jumper: Tinned copper braid.

Conduits
16130-10 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) K. Expansion couplings:

1. Shall allow for expansion and contraction of conduit:
a. Permitting 8-inch movement, 4 inches in either direction.

2. Constructed to maintain electrical continuity of the conduit system.

3. Materials:
a. Head: Malleable or ductile iron.
b. Sleeve: Steel.
c. Insulating bushing: Phenolic.
d. Finish: Hot-dip galvanized.
e. PVC-coated steel when used with Type PCS.

L. Conduit markers:

1. As specified in Section 16075 - Identification for Electrical Systems.

2.09 MIXES (NOT USED)

2.10 FABRICATION (NOT USED)

2.11 FINISHES (NOT USED)

2.12 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. General:

1. Conduit routing:
a. The electrical drawings are diagrammatic in nature:
1) Install conduit runs as specified with schematic representation indicated on the Drawings and as specified.
2) Modify conduit runs to suit field conditions, as accepted by the Engineer:
a) Make changes in conduit locations that are consistent with the design intent but are dimensionally different, or routing to bypass obstructions.
b) Make changes in conduit routing due to the relocation of equipment.
c) Install conduits and equipment in such a manner as to avoid obstructions and to preserve headroom and keep openings and passageways clear.
3) Where the Drawings do not indicate the exact mounting and/or supporting method to be used, use materials and methods similar to the mounting details indicated on the Drawings.

Conduits
16130-11 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) 4) The electrical drawings do not indicate all required junction boxes and pull boxes:
a) Provide junction boxes and pull boxes to facilitate wire pulling as required:
(1) To meet cable manufacturer’s pulling tension requirements. (2) To limit total conduit bends between pull locations. b) Install junction boxes and pull boxes at locations acceptable to the Engineer.
b. The Contractor is responsible for any deviations in general location, conduit size, routing, or changes to the conduit schedule without the express written approval or direction by the Engineer:
1) The Engineer is the sole source in determining whether the change is constituted as a deviation:
2) Perform any changes resulting in additional conduits, or extra work from such deviations.
3) Incorporate any deviations on the Record Documents.

2. Use only tools recommended by the conduit manufacturer for assembling the conduit system.

3. Provide adequate clearances from high-temperature surfaces for all conduit runs. Provide minimum clearances as follows:
a. Clearance of 6 inches from surfaces 113 degrees Fahrenheit to 149 degrees Fahrenheit.
b. Clearance of 12 inches from surfaces greater than
149 degrees Fahrenheit.
c. Keep conduits at least 6 inches from the coverings on hot water and steam pipes, 18 inches from the coverings on flues and breechings, and 12 inches from fuel lines and gas lines.
d. Where it is necessary to route conduits close to high-temperature surfaces, provide a high-reflectance thermal barrier between the conduit and the surface.

4. Support conduit runs on water-bearing walls a minimum of 7/8-inch away from wall on an accepted preformed channel:
a. Do not run conduits within water-bearing walls unless otherwise indicated on the Drawings.

5. Do not install 1-inch or larger conduits in or through structural members unless approved by the Engineer.

6. Run conduits exposed to view parallel with or at right angles to structural members, walls, or lines of the building:
a. Install straight and true conduit runs with uniform and symmetrical elbows, offsets, and bends.
b. Make changes in direction with long radius bends or with conduit bodies.

7. Install conduits with total conduit bends between pull locations less than or equal to 270 degrees.

8. Route all exposed conduits to preserve headroom, access space and workspace, and to prevent tripping hazards and clearance problems:
a. Install conduit runs so that runs do not interfere with proper and safe operation of equipment and do not block or interfere with ingress or egress, including equipment-removal hatches.
b. Route conduits to avoid drains or other gravity lines. Where conflicts occur, relocate the conduit as required.

Conduits
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9. Conduits may be run in concrete members or slabs with permission of the Engineer or as indicated on the Drawings:
a. Refer to the typical details for conduit spacing and size requirements.

10. When installing conduits through existing slabs or walls, make provisions for locating any possible conflicting items where the conduit is to penetrate. Use tone signal or X-ray methods to make certain that no penetrations will be made into the existing conduits, piping, cables, post-tensioning cables, etc.

11. Plug conduits brought into pull boxes, manholes, handholes, and other openings until used to prevent entrance of moisture.

12. Install conduits through wall and floor seals where indicated on the Drawings.

13. For existing and new 2-inch and larger conduit runs, snake conduits with a conduit cleaner equipped with a cylindrical mandrel of a diameter not less than 85 percent of nominal diameter of the conduit:
a. Remove and replace conduits through which mandrel will not pass.

14. Provide all sleeves and openings required for the passage of electrical raceways or cables even when these openings or sleeves are not specifically indicated on the Drawings.

15. Install complete conduit systems before conductors are installed.

16. Provide metallic conduits terminating in transformer, switchgear, motor control center, or other equipment conduit windows with grounding bushings and ground with a minimum No. 6 AWG ground wire.

17. Underground conduits:
a. Install underground conduits, including conduit runs below slabs-on-grade in concrete-reinforced duct bank construction:
1) As specified in Section 16133 - Duct Banks.
b. Make underground conduit size transitions at handholes and manholes. c. Install spare conduits in underground duct banks towards top center of runs to allow for ease of installation of future cables as conduits enter underground manholes and handholes.
d. Seal around conduit penetrations of below grade walls with a mechanical seal.

18. Underground conduit trenching:
a. Perform trenching as specified in Section 02318 - Trenching. b. Trench must be uniformly graded with the bottom, rock free and covered with select material.
c. Damage occurring to existing ducts, conduits, cables, and other utilities during underground conduit installation shall be remediated to the satisfaction of the Owner.
d. Whenever possible, use the walls of the trench as forms for concrete encasement:
1) Forms are required where the soil is not self-supporting.

B. Equipment grounding conductors:

1. Provide a separate, green insulated, grounding conductor in each raceway independent of raceway material:
a. Multi-conductor power and control cables shall include an integral green insulated grounding conductor.
b. Provide a separate grounding conductor in each individual raceway for parallel feeders.

Conduits
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2. Conductors shall be the same type and insulation as the circuit conductors:
a. Use 600-volt insulation for the equipment grounding conductors for medium voltage systems.

3. Minimum size in accordance with the NEC.

C. Lighting and receptacle conduits:

1. Provide conduit runs for lighting and receptacle circuits, whether or not indicated on the Drawings:

2. Install conduits in accordance with the requirements of this Section unless otherwise indicated.

3. Minimum conduit size:
a. 3/4-inch for exposed conduits.
b. 1-inch for underground or in-slab conduits.

4. Provide conduit materials for the installed location as specified in Section 16050 - Common Work Results for Electrical.

D. Conduit usage:

1. Exposed conduits:
a. Rigid conduit:
1) Install the rigid conduit type for each location as specified in Section 16050 - Common Work Results for Electrical.
2) Minimum size: 3/4-inch.
b. Flexible conduit:
1) Use flexible conduit for final connections between rigid conduit and motors, vibrating equipment, instruments, control equipment, or where required for equipment servicing:
a) Use Type SLT with rigid metallic conduit.
2) Minimum size: 3/4-inch:
a) 1/2 when required for connection to instruments.
3) Maximum length:
a) Fixed equipment:

Conduit Trade Size Flexible Conduit Length (inch)
3/4 18
1 18
1-1/4 18
1-1/2 18
2 36
2-1/2 36
3 36
3-1/2 38
4 40
b) Removable instruments or hinged equipment:
(1) As required to allow complete removal or full movement without disconnecting or stressing the conduit.

Conduits
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2. Concrete-encased and embedded conduits:
a. Straight runs and bends less than 45 degrees:
1) Type PVC Schedule 40.
b. Bends with total deflection greater than 45 degrees:
1) PCS.
c. Entering and exiting duct bank, underground or embedded conduit runs a minimum 12 inches above and below grade, finished floor, or entering equipment:
1) PCS.
d. Minimum size:
1) 2-inch in duct banks.
2) 1-inch for in-slab conduits.
3) Provide conduit fittings to enlarge the conduit from the exposed size in the conduit schedule as required.

3. Direct-buried and sand-bedded duct bank conduits:
a. Type PCS.
b. Minimum size: 1-inch.

4. Below-slab conduits:
a. Type PCS.
b. Minimum size: 1-inch.

5. PVC-coated rigid metallic conduit:
a. Use specifically manufactured or machined threading dies to manufacturer’s specifications to accommodate the PVC jacket. b. Repair damage to PVC coatings with manufacturer supplied touchup compound or PVC Coating Repair Kit for PVC Coated Raceway Systems.

6. GRC:
a. Conduit shall be cut square and reamed before threading.

E. Conduit joints and bends:

1. General:
a. Where conduit is underground, under slabs on grade, exposed to the weather, or in NEMA Type 4 or NEMA Type 4X locations, make joints liquidtight.
b. Keep bends and offsets in conduit runs to an absolute minimum. c. All bends shall be symmetrical.
d. The following conduit systems shall use large-radius sweep elbows:
1) Underground conduits.
e. Provide large-radius factory-made bends for 1-1/4-inch trade size or larger.
f. Make field bends with a radius of not less than the requirements found in the NEC:
1) The minimum bending radius of the cable must be less than the radius of the conduit bend.
2) Make all field bends with power bending equipment or manual benders specifically intended for the purpose:
a) Make bends so that the conduit is not damaged and the internal diameter is not effectively reduced.
b) For the serving utilities, make bends to meet their requirements. g. Replace all deformed, flattened, or kinked conduit.

Conduits
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2. Threaded conduit:
a. Cut threads on rigid metallic conduit with a standard conduit-cutting die that provides a 3/4-inch per foot taper and to a length such that all bare metal exposed by the threading operation is completely covered by the couplings or fittings used. In addition, cut the lengths of the thread such that all joints become secure and wrench-tight just preceding the point where the conduit ends would butt together in couplings or where conduit ends would butt into the ends or shoulders of other fittings. b. Thoroughly ream conduit after threads have been cut to remove burrs. c. Use bushings or conduit fittings at conduit terminations. d. On exposed conduits, repair scratches and other defects with galvanizing repair stick, Enterprise Galvanizing “Galvabar™,” or CRC “Zinc It.” e. Coat conduit threads with an approved electrically conductive sealant and corrosion inhibitor that is not harmful to the conductor insulation:
1) Apply to the male threads and tighten joints securely. 2) Clean excess sealant from exposed threads after assembly. f. Securely tighten all threaded connections.
g. Any exposed threaded surfaces must be cleaned and coated with a galvanizing solution so that all exposed surfaces have a galvanized protective coating.

3. PVC:
a. Use approved solvent-weld cement specifically manufactured for the purpose. Spray-type cement is not allowed.
b. Apply heat for bends so that conduit does not distort or discolor. Use a spring mandrel as required to ensure full inside diameter at all bends:
1) Utilize a heater specifically for PVC conduit as recommended by the conduit manufacturer.

F. Conduit sealing and drainage:

1. Conduit drainage and sealing other than required for hazardous and classified areas:
a. Provide sealing and drainage in vertical drops of long (in excess of 20 feet), exterior, above-grade conduit runs at the points at which the conduit enters buildings, switchgear, control panels, lighting panelboards, and other similar enclosures.
b. Provide seal fittings with drains in vertical drops directly above grade for exterior and above-grade conduit runs that are extended below grade. c. Provide conduit seals with drains in areas of high humidity and rapidly changing temperatures:
1) Where portions of an interior raceway pass through walls, ceilings, or floors that separate adjacent areas having widely different temperatures.
d. Provide conduit seals similar to O-Z/Gedney (Type CSM) on all conduits between corrosive and non-corrosive areas.
e. Seal one end only of all underground conduits at highest point with O-Z/Gedney sealing (non-hazardous) filling, or equal.

2. Install seals with drains at any location along conduit runs where moisture may condense or accumulate. This requirement includes, but is not limited to, the following locations: control panels, junction boxes, pullboxes, or low points of the conduit.

Conduits
16130-16 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) G. Conduit supports:

1. General:
a. Provide appropriate hangers, supports, fasteners, and seismic restraints to suit applications:
1) As specified in Section 16070 - Hangers and Supports. 2) Provide support materials consistent with the type of conduit being installed as specified in Section 16050 - Common Work Results for Electrical.
b. Support conduit at the intervals required by the NEC. c. Perforated strap and plumbers’ tape are not acceptable for conduit supports.

2. Conduit on concrete or masonry:
a. Use 1-hole malleable iron straps with metallic or plastic expansion anchors and screws or support from preset inserts.
b. Use preset inserts in concrete when possible.
c. Use pipe spacers (clamp backs) in wet locations.

3. Suspended conduit:
a. Use malleable-iron factory-made split-hinged pipe rings with threaded suspension rods sized for the weight to be carried (minimum 3/8-inch diameter), Kindorf, or equal.
b. For grouped conduits, construct racks with threaded rods and tiered angle iron or preformed channel cross members. Clamp each conduit individually to a cross member. Where rods are more than 2-feet long, provide rigid sway bracing.

4. Supports at structural steel members:
a. Use beam clamps.
b. Drilling or welding may be used only as specified or with approval of the Engineer.

5. PVC-coated rigid metal systems:
a. Provide right-angle beam clamps and “U” bolts specially formed and sized to snugly fit the outside diameter of the coated conduit. Provide "U" bolts with PVC-encapsulated nuts that cover the exposed portions of the threads.
b. Securely fasten exposed conduits with Type 316 stainless steel clamps or straps.

H. Expansion or expansion/deflection fittings:

1. General:
a. Align expansion coupling with the conduit run to prevent binding. b. Follow manufacturer’s instructions to set the piston opening. c. Install expansion fittings across concrete expansion joints and at other locations where necessary to compensate for thermal or mechanical expansion and contraction.
d. Furnish fittings of the same material as the conduit system.

2. For metallic conduit, provide expansion or expansion/deflection couplings, as appropriate, where:
a. Install expansion fittings a minimum of every 200 feet in straight conduit runs.

Conduits
16130-17 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16130 (CONFORMED) I. Empty conduits:

1. Provide a pull tape in each empty conduit more than 10 feet in length.

2. Seal ends of all conduits with approved, manufactured conduit seals, caps, or plugs immediately after installation:
a. Keep ends sealed until immediately before pulling conductors.

J. Miscellaneous:

1. Seal roof penetrations for raceways and other items that penetrate the roof in accordance with roofing manufacturer’s instructions and as indicated on the Drawings.

2. Provide electrical unions at all points of union between ends of rigid conduit systems that cannot otherwise be coupled:
a. Running threads and threadless couplings are not allowed.

3. Replace any conduits installed that the Engineer determines do not meet the requirements of this Specification.

4. Provide conduit housekeeping curb around all embedded or below-grade conduits exiting or entering the slab, per the Typical Details.

3.04 ERECTION, INSTALLATION, APPLICATIONS, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Duct Banks
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16133 (CONFORMED) SECTION 16133

DUCT BANKS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Electrical underground duct banks.

2. Duct bank installation requirements.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTION
A. Provide location and protection of existing underground utilities, duct bank, trenching, forming, rebar, spacers, conduit, concrete, backfill, and compaction necessary for the complete installation of the duct banks.

B. Provide reinforced concrete duct banks for all conduits installed below grade, on the site, below structures, or in contact with the earth, unless otherwise indicated on the Drawings.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. PVC conduit spacers.

2. Detectable underground marking tape.

3. Pull line.

C. Shop drawings:

1. Submit site plan drawings of duct banks including underground profiles indicating all underground utilities.

2. Submit cross section of each duct bank with dimensions.

3. For duct bank routings crossing under building footers or foundations alternative to designed routings indicated on the Drawings:
a. Submit shop drawings detailing the new building footer crossing locations and plan drawings labeling all equipment to be installed on top of the new routing for approval by the project Structural Engineer.

Duct Banks
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1.06 QUALITY ASSURANCE (NOT USED)

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

B. Duct bank sections indicated on the Drawings are an initial arrangement and may need to be modified due to existing site conditions, existing underground utilities, and infrastructure.

1. Reorganize duct bank section with approval of Engineer.

1.09 SEQUENCING
A. Duct bank construction has a prerequisite of fulfilling all aspects of Section 02280 - Subsurface Utility Engineering.

B. Before performing any excavation, the following prerequisites must be met for each duct bank routing:

1. Review of existing civil record drawings for recorded underground utilities.

2. Existing underground utility horizontal and vertical location by minimum 2 of the following methods:
a. Ground-penetrating radar.
b. Soft excavation.
c. Local utility location service, CALL BEFORE YOU DIG or equal.

3. Protection of any discovered existing underground utility shall remain intact until the nearby duct bank installation is complete.

C. Make changes required to accommodate duct bank configuration and routing changes due to field conditions.

1. Where changes in a duct bank configuration extend to a manhole or handhole, coordinate manhole/handhole blockouts and size with the new configuration.

1.10 SCHEDULING
A. Schedule a coordination meeting to adjust duct bank configurations and routing for each duct bank section after trenching and exposure of any underground utilities within the vicinity of the duct bank route. The meeting shall determine the final configuration of the duct bank before installation.

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

Duct Banks
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1.13 OWNER'S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Conduit spacers:

1. One of the following or equal:
a. Carlon Snap-Loc.
b. Cantex.
c. Osburn Associates, Inc.

B. Detectable underground marking tape:

1. One of the following or equal:
a. Blackburn Manufacturing Co.
b. Pro-Line Safety Products.
c. Panduit.

C. Pull line:

1. One of the following or equal:
a. Arnco.
b. Greenlee.
c. Osburn Associates, Inc.

D. Duct seal:

1. The following or equal:
a. O-Z/Gedney type DUX.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS
A. Provide conduit as specified in Section 16130 - Conduits.

B. Provide reinforcing steel as specified in Section 03200 - Concrete Reinforcing:

1. Provide minimum Number 4 reinforcing steel.

2.04 MANUFACTURED UNITS
A. Conduit spacers:

1. Provide conduit spacers recommended by the conduit manufacturer or specified above.

2. Saddle type.

3. Non-metallic, non-corrosive, non-conductive.

4. Interlocking type:
a. Vertical interlocking.
b. Horizontal interlocking.

5. Suitable for concrete encasement.

Duct Banks
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6. Molded-in rebar holder.

7. Accommodates 2-inch through 6-inch conduit sizes.

8. Relieves the conduit from both horizontal and vertical stresses.

B. Pull line:

1. Minimum 1/4-inch wide, flat design.

2. Polyester.

3. Minimum pulling strength 1,200 pounds.

C. Detectable marking tape:

1. Provide a detectable tape, locatable by a cable or metal detector from above the undisturbed grade.

2. Aluminum core laminated between polyethylene film.

3. 6-inch-wide red tape imprinted with black lettering stating "CAUTION - BURIED ELECTRIC LINE BELOW" or equivalent.

D. Duct seal:

1. Non-hardening sealing compound.

2. Flexible, can be applied by hand.

3. UL Listed for use with installed conductors.

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES (NOT USED)

2.08 MIXES
A. Concrete mix requirements as specified in Section 03300 - Cast-in-Place Concrete.

B. Provide a red-oxide conduit encasement coloring agent as specified in Section 03300 - Cast-in-Place Concrete.

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Duct banks:

1. Install duct banks encased in concrete at least 24 inches below finish grade, unless otherwise indicated on the Drawings.

Duct Banks
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2. Damage minimization:
a. Conduit should not be left exposed in an open trench longer than is necessary.
b. Protect all underground duct banks against damage during pouring of concrete or backfilling.

3. All plastic conduit fittings to be joined should be exposed to the same temperature conditions for a reasonable length of time before assembly.

4. Provide No. 4/0 American Wire Gauge bare copper ground wire the entire length of duct bank and bond to the grounding system at each end of the duct bank and every 20 feet to steel reinforcing bar.

5. Install underground ducts to be self-draining:
a. Slope duct banks away from buildings to manholes, handholes, or pullboxes.
b. Slope duct banks uniformly from manholes, handholes, or pullboxes to manholes, handholes, or pullboxes or both ways from high points between manholes, handholes, or pullboxes.
c. Slope a minimum of 1/4 inch per 10 feet.

6. Where new duct banks join to existing manholes, handholes, or pullboxes, make the proper fittings and fabricate the concrete envelopes to ensure smooth durable transitions, as indicated on the Drawings.

7. Install pull line in spare conduits:
a. Provide adequate pull line at both ends of conduits to facilitate conductor pulling.
b. Cap above ground spare conduit risers at each end with screw-on conduit caps.

B. Trenching:

1. Perform trenching as specified in Section 02318 - Trenching.

2. Trench must be uniformly graded with the bottom, rock free and covered with select material.

3. Whenever possible, use the walls of the trench as forms for concrete encasement:
a. Forms are required where the soil is not self-supporting.

4. Damage occurring to existing ducts, conduits, cables, and other utilities during duct bank installation shall be remediated to the satisfaction of the Owner.

C. Duct spacing:

1. Separate conduits with manufactured plastic spacers using a minimum space between the outside surfaces of adjacent conduits of 2 inches, unless otherwise indicated on the Drawings:
a. Separate medium voltage ducts a minimum of 7.5 inches on center.

2. Install spacers to maintain uniform spacing of duct assembly a minimum of 4 inches above the bottom of the trench during concrete pour. Install spacers on 8-foot maximum intervals:
a. Due to some distortion of conduit from heat, and other means, it may be necessary to install extra spacers within the duct bank:
1) Install the intermediate set of spacers within normal required spacing to maintain the proper horizontal clearance:
a) Clearance is required to allow the proper amount of concrete to infiltrate vertically among the duct to ensure proper protection.

Duct Banks
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3. Spacers shall not be located at the center of a bend:
a. Locate spacer in the tangent, free of the coupling on fabricated bends. b. Locate spacers midway between the tangent and the center bend on trench formed sweeps.

D. Terminating:

1. Use bell ends in duct at entrances into cable vaults.

2. Make conduit entrances into cable vaults tangential to walls of cable vault.

3. Form trapezoidal transitions between duct bank and cable vaults as needed in order to ensure adequate cable bending radius for the duct bank-to-vault transition.

4. Install duct seal in all conduits including spare conduits, at both ends, entrance to manholes/handholes, and building/equipment stub-ups. Form by hand to conduit and around cables to develop moisture barrier.

5. New manhole or handhole applications, provide a single opening or "window" per duct bank, sized to accommodate the duct bank envelope.

E. Concrete:

1. Install concrete as specified in Section 03300 - Cast-in-Place Concrete.

2. Provide tie wires in accordance with Section 03200 - Concrete Reinforcing to prevent displacement of the conduits during pouring of concrete:
a. Tie wire shall not act as a substitute for spacers.

3. Install minimum 3-inch cover around conduit and rebar.

4. Consolidation of encasement concrete around duct banks shall be by hand puddling. Mechanical vibrators are acceptable for use outside of the rebar cage.

5. Conduit is subject to temperature rise. As concrete cures, allow the free end to expand by pouring the concrete from the center of the run or from one tie in point.

F. Marking tape:

1. Install a detectable marking tape 12 inches above the duct bank the entire length of the duct bank.

G. For conduit installations beneath building slabs:

1. Duct banks shall be continued under building slabs to the final destination of the conduits.
a. Construct separate duct banks as required.
b. Concrete for encasement under building slabs need not be colored red. c. For duct banks crossing under building foundation, install the top of the duct bank a minimum of 6 inches below the footer.
d. Where duct banks enter through building walls, foundation walls, stem walls, etc. make connections as indicated on the Drawings. e. Where duct banks terminate with conduit risers entering building walls, install an expansion/deflection fitting or a flat-wise elbow (elbow parallel to building wall) in order to accommodate differential movement between the conduits and structure.

H. Restore all surfaces to their original condition as specified in Section 02952 - Pavement Restoration and Rehabilitation, unless otherwise specified.

Duct Banks
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3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING (NOT USED)

3.10 CLEANING
A. Clean conduits of dirt and debris by use of an appropriately sized steel mandrel no less than 1/2 inch smaller than the inside diameter of the conduit.

3.11 PROTECTION
A. Provide shoring and pumping to protect the excavation and safety of workers.

B. Protect excavations with barricades as required by applicable safety regulations.

3.12 SCHEDULES (NOT USED)

END OF SECTION

Boxes
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BOXES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Device boxes.

2. Raceway system boxes.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. American Association of State Highway and Transportation Officials (AASHTO):

1. Standard Specifications for Highway Bridges.

C. ASTM International (ASTM):

1. A47 - Standard Specification for Ferritic Malleable Iron Castings.

2. D149 - Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies.

3. D495 - Standard Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation.

4. D570 - Standard Test Method for Water Absorption of Plastics.

5. D648 - Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position.

6. D790 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.

7. D792 - Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement.

D. Joint Industry Conference (JIC).

E. Underwriters Laboratories, Inc. (UL):

1. 94 - Standard for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. Arcing parts: Circuit breakers, motor controllers, switches, fuses, or any device intended to interrupt current during its operation.

2. Raceway system boxes: Boxes that are used for wire and cable pullboxes, conduit junction boxes, or terminal boxes.

Boxes
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1.04 SYSTEM DESCRIPTION
A. Provide outlet boxes for wiring devices, junction, and pullboxes for use in the raceway systems, etc.

B. Provide boxes as indicated on the Drawings or as needed to complete the raceway installation.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Manufacturer.

2. Materials.

3. Dimensions:
a. Height.
b. Width.
c. Depth.
d. Weight.
e. NEMA rating.

4. Conduit entry locations.

5. Catalog cutsheets.

6. Installation instructions.

C. Shop drawings:

1. Include identification and sizes of pullboxes.

1.06 QUALITY ASSURANCE
A. Regulatory requirements:

1. Outlet boxes shall comply with all applicable standards of:
a. JIC.
b. NEC.
c. NEMA.
d. UL.

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

Boxes
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1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. Pressed steel boxes and concrete boxes:
a. Steel City.
b. Appleton.
c. Crouse - Hinds.
d. Thomas & Betts.

2. Plastic and/or fiberglass boxes:
a. Hoffman.
b. Carlon.
c. Stahlin.

3. Cast device boxes:
a. Appleton.
b. Crouse - Hinds.
c. OZ/Gedney.

4. Formed steel enclosures:
a. Hoffman.
b. Thomas and Betts.
c. Stahlin.
d. Rittal.

5. Stainless steel enclosures:
a. Hoffman.
b. Stahlin.
c. Rittal.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS
A. Pressed steel boxes:

1. 1-piece galvanized pressed steel.

2. Knockout type boxes.

3. Minimum size 4-inch square by 2-1/8-inch deep.

B. Concrete boxes:

1. For outlets and pullboxes in concrete construction.

2. Pressed steel or cast construction, concrete tight.

3. Knockout sizes range from 1/2 inch to 1 inch.

Boxes
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4. Depth as needed.

5. Types:
a. Four-inch octagon.
b. Four-inch octagon ceiling boxes with hanging bars.
c. Gangable masonry boxes:
1) 3-1/2-inch deep, 3-3/4-inch high, length as required:
a) 2-1/2-inch deep boxes may be used where wall thickness precludes the use of the deeper boxes.
2) With partitions as needed.

C. Cast device boxes:

1. Construction:
a. With internal green ground screw.
b. Furnished with a suitable gasketed cover.
c. With integral cast mounting lugs when surface mounted. d. Conduit sizes range from 3/4 inch to 1 inch.
e. Tapered threaded hubs with integral bushing.

2. Aluminum (copper free) boxes:
a. High strength copper free 4/10 of 1 percent maximum alloy for use with aluminum rigid conduit.

3. Malleable iron boxes:
a. Conforming to ASTM A47 Grade 32510.

D. Fiberglass boxes:

1. NEMA Type 4X.

2. Constructed of molded fiberglass reinforced polyester.

3. Integral neoprene gasket on cover attached with an oil-resistant adhesive.

4. Enclosures to have internal pads for mounting optional panels and terminal kits.

5. Covers:
a. Screw cover enclosures:
1) Covers held in place with captive, stainless steel, or Monel® screws. 2) Covers attached to body with internal zinc-plated steel hinges. b. Quick release latches covers:
1) Corrosion resistant fiberglass hinges.
2) Spring loaded fiberglass latches with a Monel® or stainless steel bail attached with Monel® or stainless steel screws.
3) With a Type 316 stainless steel padlock hasp.

6. With external mounting feet.

7. Meeting the following minimum standards and tests:

Physical Property Value ASTM Method
Flexural strength 12,000 psi D790
Heat distortion 400° Fahrenheit D648
Water absorption (24 hrs) 0.5 percent D570
Tensile strength 5000 psi D651
Specific gravity 1.8 D792
Flammability 94V-0 UL94
Dielectric strength 4000 V.P.M. D149
Arc resistance 180 second D495

Boxes
16134-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16134 (CONFORMED) E. Formed steel enclosures:

1. Steel:
a. NEMA Type 12.
b. Fabricated from 14-gauge steel, minimum.
c. All seams continuously welded ground smooth.
d. Door:
1) Rolled lip around 3 sides.
2) Attached to enclosure by means of a continuous stainless steel hinge and pin.
e. Neoprene door gasket to provide a watertight, dusttight, oiltight seal:
1) Attached with an adhesive.
2) Retained by a retaining strip.
f. Fabricate all external removable hardware for clamping the door to the enclosure body from zinc-plated heavy gauge steel:
1) With a hasp and staple for padlocking.
g. Provide large enclosures with door and body stiffeners for extra rigidity. h. No holes or knockouts.
i. Finish:
1) ANSI-61 gray electrostatically applied polyester powder inside and out over cleaned and primed surfaces.
2) White electrostatically applied polyester powder mounting plate. j. Heavy gauge steel external mounting brackets when surface mounted.

2. Stainless steel:
a. NEMA Type 4X:
1) Boxes in locations subject to flooding or temporary submersion:
a) NEMA Type 6.
b. Fabricated from 14-gauge Type 316 stainless steel.
c. All seams continuously welded.
d. Door:
1) Rolled lip around 3 sides.
2) Attached to enclosure by means of a continuous stainless steel hinge and pin.
e. Neoprene door gasket to provide a watertight seal:
1) Attached with an adhesive.
2) Retained by a retaining strip.
f. Fabricate all external removable hardware for clamping the door to the enclosure body from heavy gauge stainless steel:
1) With a hasp and staple for padlocking.
g. Provide large enclosures with door and body stiffeners for extra rigidity. h. No holes or knockouts.
i. Finish:
1) Brushed.
j. Stainless steel external mounting brackets when surface mounted.

F. Cast iron junction boxes:

1. NEMA Type 4.

2. Recessed cover boxes.

3. Suitable for use outdoors where subject to rain, dripping, or splashing water.

4. Designed for flush mounting in walls or floors:
a. Can be surface mounted using mounting lugs.

Boxes
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5. Construction:
a. Cast iron box.
b. Covers:
1) Checkered plate covers suitable for foot traffic.
2) When used in areas subject to vehicular traffic, design to support an AASHTO Standard Specifications for Highway Bridges, H-20 vehicle loading.
c. Hot dip galvanized.
d. Neoprene gasket.
e. Stainless steel screw covers.

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES
A. Fasteners:

1. Electroplated or stainless steel in boxes with wiring devices.

2. Screws, nuts, bolts, and other threaded fasteners:
a. Stainless steel.

B. Provide breather and drain fittings where appropriate.

C. Internal panels:

1. Provide internal panels where required for mounting of terminal strips or other equipment.

2. With plated steel shoulder studs.

3. Steel with white polyester powder finish.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. General:

1. Provide materials and construction suitable for environmental conditions at the location of the box as specified in Section 16050 - Common Work Results for Electrical.

Boxes
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2. Provide outlet box materials to match the conduit system:
a. GRC - Cast ferrous boxes.
b. PCS - PVC coated cast ferrous boxes.
c. PVC - PVC boxes.

3. Solid type gang boxes:
a. For more than 2 wiring devices.
b. For barriered outlets.

4. Support all wall mounted NEMA Type 4 or NEMA Type 4X boxes to maintain a minimum of 7/8-inch free air space between the back of the enclosure and the wall:
a. Use machined spacers to maintain air space; built-up washers are not acceptable.
b. Use stainless steel or nylon materials for spacers.

5. Use cast malleable iron boxes when box must support other devices.

6. Boxes serving luminaires or wiring devices:
a. Use as pullboxes wherever possible.

7. Fit all cast boxes and pressed steel boxes for flush mounting in concrete with cast, malleable box covers and gaskets.

8. In terminal boxes, furnish terminals as indicated on the Drawings, with a minimum of 50 percent spare terminals:
a. Furnish wireways for discrete and analog/DC wiring.
b. Separate analog wiring from 120 V discrete or power wiring.

9. Size boxes in accordance with NEC requirements and to provide sufficient room for the future components and cables indicated on the Drawings.

10. For fire-rated construction, provide materials and installation for use in accordance with the listing requirements of the classified construction.

B. Outlet boxes:

1. Locate outlet boxes as indicated on the Drawings:
a. Adjust locations so as not to conflict with structural requirements or other trades.

2. Use deep threaded-hub stainless steel:
a. I
b. Where exposed to the weather.
c. In unheated areas.
d. Where subject to mechanical damage:
1) Defined as exposed boxes less than 10 feet above the floor. e. To act as a pullbox for conductors in a conduit system. f. Accommodate wiring devices.

3. Use deep threaded-hub plastic coated malleable iron boxes in corrosive and NEMA Type 4X area and when the exposed conduit system is PVC coated steel.

4. Outlet boxes may be used as junction boxes wherever possible.

C. Pullboxes and junction boxes:

1. Size pullboxes in accordance with NEC requirements and to provide sufficient room for any future conduits and cables as indicated on the Drawings.

2. Install pullboxes such that access to them is not restricted.

Boxes
16134-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16134 (CONFORMED) D. For boxes not indicated:

1. Provide types and mountings as required to suit the equipment and that will be consistent with the conduit system and environmental conditions as indicated in Section 16050 - Common Work Results for Electrical.

2. Outlet, switch, and junction boxes for flush-mounting in general purpose locations:
a. One-piece, galvanized, pressed steel.

3. Outlet, switch, and junction boxes where surface mounted in exposed locations:
a. Cast ferrous boxes with mounting lugs, zinc or cadmium plating finish.

4. Outlet, control station, and junction boxes for installation in corrosive locations:
a. Fiberglass reinforced polyester, stainless steel, or plastic-coated steel to match the conduit system.
b. Furnished with mounting lugs.

5. Fire rated construction: Use materials and methods to comply with the listing requirements for the classified construction.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 REINSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL
A. As specified in Section 16050 - Common Work Results for Electrical.

3.09 ADJUSTING (NOT USED)

3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Wiring Devices
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16140 (CONFORMED) SECTION 16140

WIRING DEVICES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Switches.

2. Receptacles.

3. Plates.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Federal Specifications (FS):

1. W-C 596 - Connector, Electrical, Power, General Specification for.

2. W-S 896/2 - Switches, Toggle (Toggle and Lock), Flush Mounted (General Specification).

C. National Electrical Manufacturers Association (NEMA):

1. WD1 - General Color Requirements for Wiring Devices.

2. ICS 5 - Industrial Control and Systems, Control Circuit and Pilot Devices.

3. OS1 - Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box Supports.

4. WD6 - Wiring Devices Dimensional Specifications.

D. Underwriters Laboratories, Inc. (UL):

1. 20 - General Use Snap Switches.

2. 498 - Standard for Attachment Plugs and Receptacles.

3. 514D - Cover Plates for Flush-Mounted Wiring Devices.

4. 943 - Ground-Fault Circuit-Interrupters.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. GFCI: Ground fault circuit interrupter.

1.04 SYSTEM DESCRIPTION
A. Switches, receptacles, and plates as indicated on the Drawings wired and operable to form a complete system.

Wiring Devices
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1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Catalog cutsheets.

C. Shop drawings:

1. Engraving schedule:
a. Furnish complete engraving schedule for engraved nameplates.

1.06 QUALITY ASSURANCE
A. Wiring devices shall be UL listed and labeled.

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER'S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Switches:

1. One of the following or equal:
a. Hubbell.
b. Leviton.
c. Cooper Wiring Devices.

B. Receptacles:

1. General purpose receptacles:
a. One of the following or equal:
1) Hubbell.
2) Leviton.
3) Cooper Wiring Devices.

Wiring Devices
16140-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16140 (CONFORMED) C. Plates:

1. General location:
a. One of the following or equal:
1) Legrand.
2) Cooper Wiring Devices.

2. Wet or corrosive areas:
a. One of the following or equal:
1) Hubbell.
2) Cooper Wiring Devices.
3) Thomas & Betts.
4) Pass and Seymour.

3. In-use covers:
a. One of the following or equal:
1) TayMac.
2) Cooper Wiring Devices.
3) Pass and Seymour.
4) Thomas & Betts.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS
A. Switches:

1. General:
a. 120-277 VAC.
b. 20 ampere.
c. Listed in accordance with UL 20.
d. Designed and constructed in accordance with FS W-S-896/2. e. Back and side wired unless otherwise indicated.
f. Integral grounding terminal.
g. Totally enclosed:
1) Color-coded body with color corresponding to ampere rating. h. Provide switches with the operator style and contact arrangement as indicated on the Drawings and as required for proper operation. i. Color:
1) Ivory in finished areas.
2) Brown in all other areas.

2. General purpose switches:
a. Toggle type.

B. Receptacles:

1. General purpose receptacles:
a. Single or duplex as indicated on the Drawings.
b. 125 VAC.
c. 20 ampere or as indicated on the Drawings.
d. NEMA Type 5-20R configuration for 20 ampere receptacles. e. Other NEMA configurations as indicated on the Drawings. f. Listed in accordance with UL 498.
g. Designed and constructed in accordance with FS W-C-596.

Wiring Devices
16140-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16140 (CONFORMED) h. Back and side wired.
i. 1-piece, rivet-less mounting strap.
j. Color:
1) Ivory in finished areas.
2) Brown in all other areas.
3) Orange when powered by a UPS.

2. Ground fault interrupter receptacles (GFCI):
a. 125 VAC.
b. 20 ampere.
c. Trip level 4-6 milliamperes.
d. Individual and feed through protection.
e. UL 943 and UL 498 listed.
f. NEMA Type 5-20R configuration.
g. For damp or wet locations:
1) Weather resistant, in accordance with UL 498.

C. Plates:

1. General location:
a. Type 302 or 304 stainless steel.
b. Brushed satin finish.
c. Minimum thickness: 0.032 inches.
d. Rectangular or square shape.
e. Engraving:
1) Engrave each switch plate with the following:
a) Area served.
b) Panelboard and Circuit.
2) Engrave each receptacle plate with the following:
a) Panelboard and Circuit.
3) Treat engraving to improve visibility.
4) Characters shall be block letter pantograph engraved with a minimum character height of 1/8-inch.
f. Coordinate the number of gangs, number, and type of openings with the specific location.

2. Outdoor and wet areas requiring NEMA Type 4 or NEMA Type 4X enclosures:
a. General:
1) UL listed for wet locations.
2) Gasketed.
3) Die cast metal:
a) Match material to box material.
b. Switches:
1) Lever operated:
a) Provide toggle switch.
c. Receptacles:
1) Weatherproof in-use cover:
a) Die cast metal construction with electrostatic powder coating for corrosion resistance.
b) Gasketed.
c) Lockable.
d) UL listed and in accordance with NEC.

Wiring Devices
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3. Corrosive areas:
a. Neoprene.
b. Gasketed.
c. Weatherproof.

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES (NOT USED)

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Mounting heights:

1. Process and production areas:
a. Switches and receptacles 48 inches from finished floor to top of plate.

2. Offices and finished areas:
a. Switches: 48 inches from finished floor to top of plate. b. Receptacles: 18 inches from finished floor to center of plate.

B. Switches:

1. Over 300 Volts:
a. Where switches used in systems of more than 300 volts between conductors, are to be ganged in outlet boxes, provide switches having no exposed live parts or use barriers between the individual switches.

C. Receptacles:

1. Provide GFCI receptacles as indicated on the Drawings. a. Provide weather resistant GFCI receptacles in all wet or damp areas. 1) As specified in Section 16050 - Common Work Results for Electrical.

2. Mount non-weatherproof receptacles vertically:
a. Ground slot down.

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3. Mount weatherproof receptacles horizontally:
a. Neutral slot up.

4. 3-phase receptacles shall be consistent with respect to phase connection at the receptacle terminals. Correct errors in phasing at the source and not the receptacle.

D. Ensure all plates make a firm seal with wall for recessed mounted devices:

1. Outside edges of plates parallel with building lines.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 REINSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Low Voltage Wire Connections
16150-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16150 (CONFORMED) SECTION 16150

LOW VOLTAGE WIRE CONNECTIONS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Wire connecting devices.

2. Terminations.

3. Splices.

4. Power Distribution Blocks

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. ASTM International (ASTM):

1. D3005 - Standard Specification for Low-Temperature Resistant Vinyl Chloride Plastic Pressure-Sensitive Electrical Insulating Tape.

C. CSA International (CSA):

1. C22.2 - No. 197-M1983 (R2208) - PVC Insulating Tape.

D. Underwriters Laboratories, Inc. (UL):

1. 510 - Standard for Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape.

2. 1953 - Outline of Investigation for Power Distribution Blocks.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTION
A. Provide a complete system of wiring connectors, terminators, fittings, etc. for a complete wiring system suitable for the cables and conductors used.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Catalog cutsheets.

2. Installation instructions.

1.06 QUALITY ASSURANCE
A. All materials shall be UL listed.

Low Voltage Wire Connections
16150-2 8660F10 July 12, 2023 - CONFORMED
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1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING
A. Conduct the initial fault current study as specified in Section 16305 - Electrical System Studies and submit results for Engineer’s review.

B. After successful review of the initial fault current study, submit complete equipment submittal.

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Manufacturers for each type of technology are specified with the equipment in this Section.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. Control connections:

1. Use insulated ring type wire terminators for connections to all screw terminals:
a. With chamfered/funneled terminal barrel entry.
b. Deep internal serrations.
c. Long barrel design to reduce electrical resistance and increased insulator-barrel surface area to ensure that the insulator remains in contact with the barrel.

Low Voltage Wire Connections
16150-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16150 (CONFORMED) d. Electroplated-tin copper conductor.
e. Manufacturers: The following or equal:
1) Thomas & Betts, Sta-Kon.

2. For process equipment connections work from manufacturer's drawings.

B. Joints, splices, taps, and connections:

1. 600-volt conductors:
a. Use solderless connectors.
b. Use only plated copper alloy connectors or lugs:
1) Aluminum connectors or lugs are not acceptable for copper conductors.
c. Under those specific conditions where aluminum conductors have been allowed or are specified then the connectors for aluminum conductors shall be specifically designed for that purpose.
d. For wire No. 10 AWG and smaller use compression splice caps, with insulating caps:
1) Manufacturers: The following or equal:
a) Buchanan, 2006S or 2011S, with 2007 or 2014 insulating caps. e. For wire No. 8 AWG and larger, use heavy duty copper compression connectors:
1) Manufacturers: One of the following or equal:
a) Burndy.
b) Thomas & Betts.
f. Heat shrink tubing:
1) Suitable for indoors, outdoors, overhead, direct burial or submerged applications.
2) Minimum shrink ratio: 4 to 1.
3) Continuous operating temperature: -55 degrees Celsius to 110 degrees Celsius.
4) Internally applied adhesive sealant.
5) Cross-linked polyolefin:
a) Manufacturers: One of the following or equal:
(1) 3M, ITCSN.
(2) Thomas & Betts, Shrink-Kon.

2. Instrumentation class cable splices:
a. Suitable for indoor, outdoors, weather exposed, direct buried, or submersed applications.
b. Utilizing an epoxy, polyurethane, and re-enterable compounds. c. For use with shielded or unshielded plastic- and rubber-jacketed, signal, control, and power cables rated up to 1 kilovolt.
d. Two-part mold body with tongue and groove seams and built in spacer webbing.
e. Manufacturers: The following or equal:
1) 3M, Scotchcast 72-N.

C. Insulating tape:

1. General purpose insulating tape:
a. Minimum 7 mil vinyl tape.
b. Suitable for application in an ambient of -18 degrees Celsius (0 degrees Fahrenheit).
c. Operating range up to 105 degrees Celsius (220 degrees Fahrenheit).

Low Voltage Wire Connections
16150-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16150 (CONFORMED) d. Flame retardant, hot- and cold- weather resistant, UV resistant. e. For use as a primary insulation for wire cable splices up to 600 VAC. f. Meeting and complying with:
1) ASTM D3005 Type I.
2) UL 510.
3) CSA C22.2.
g. Manufacturers: The following or equal:
1) 3M, Scotch Number Super 33+.

2. General-purpose color-coding tape:
a. Minimum 7 mil vinyl tape.
b. Suitable for application on PVC and polyethylene jacketed cables. c. For use indoors and outdoors in weather protected enclosures. d. Available with the following colors:
1) Red.
2) Yellow.
3) Blue.
4) Brown.
5) Gray.
6) White.
7) Green.
8) Orange.
9) Violet.
e. For use as phase identification, marking, insulating, and harnessing. f. Meeting and complying with:
1) UL 510.
2) CSA C22.2.
g. Manufacturers: The following or equal:
1) 3M, Scotch Number 35.

D. Power distribution blocks:

1. UL 1953 listed.

2. Interrupting ratings: Not less than the system maximum available fault current at the point of application.

3. Provide fuses or circuit breakers in enclosure as required to meet the fault current requirements.

4. Voltage rating: 600 VAC.

5. IP 20 finger safe enclosure.

6. Tin-plated aluminum or copper terminals suitable for copper conductors.

7. Manufacturers: One of the following or equal:
a. Eaton CHDB series.
b. Rockwell Automation 1492 PD series
c. Square D by Schneider Electric.

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES (NOT USED)

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

Low Voltage Wire Connections
16150-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16150 (CONFORMED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Load connections:

1. Connect loads to the circuits as indicated. Color-code all branch circuits as specified in Section 16123 - 600-Volt or Less Wires and Cables.

B. Zero to 600-volt systems:

1. Make all connections with the proper tool and die as specified by the device manufacturer.

2. Use only tooling and dies manufactured by the device manufacturer.

3. Insulate all connections and splices with Scotch 33+ tape and Scotchfill, or pre-molded plastic covers, or heat shrink tubing and caps.

4. Number all power and control wires before termination.

C. Motor connections (600 volts and below):

1. Terminate all leads and wires with compression type ring lugs.

2. Terminations on all motor leads, including leads that are connected together to accommodate the motor voltage, and the machine wires entering the motor terminal box from the power source, shall have ring type compression lugs.

3. Cover bolted connectors with a heat shrinkable, cross-linked polyolefin material formed as a single opening boot:
a. In damp and wet locations, use a complete kit containing mastic that shall seal out moisture and contamination.
b. Shrink cap with low heat as recommended by manufacturer.

4. Wire markers shall be readable after boot installation.

5. Manufacturers: The following or equal:
a. Raychem, MCK.

D. Power distribution terminal blocks:

1. Connect circuit breakers on line side of power distribution terminal blocks as required to meet short circuit requirements.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

Low Voltage Wire Connections
16150-6 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16150 (CONFORMED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Utility Coordination
16210-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED) SECTION 16210

UTILITY COORDINATION
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Coordination with the utility companies to provide service.

2. Contractor’s responsibilities for connecting to utilities and providing utility service to the facilities.

3. Descriptions of utility services required.

B. Utility contacts:

1. Electric utility:
a. Name: Scott Bozzoli.
b. Utility: City of Ukiah - Electric Utility.
c. Address: 1350 Hastings Rd, Ukiah CA 95482.
d. Phone number: 707-467-5775.
e. Fax number: N/A.
f. E-mail: [email protected].

1.02 REFERENCES
A. Underwriters' Laboratories, Inc. (UL).

1.03 DELEGATED DESIGN (NOT USED)

1.04 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Certification:

1. Submit certification that the intended installation has been coordinated with the utility companies.

2. Include a narrative description of the utility’s requirements and points of connection, names and telephone numbers for contacts at the utilities.

C. Additional Requirements:

1. Submit the following after utility coordination and before construction for engineering review:
a. 12 kV underground conduit routing.
b. MV vault location and dimensions.

1.05 QUALITY ASSURANCE
A. Materials and equipment used in performance of Electrical Work shall be listed or labeled by UL, or other equivalent recognized independent testing laboratory, for the class of service intended.

Utility Coordination
16210-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED)

1.06 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.07 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.08 ADMINISTRATIVE REQUIREMENTS
A. Scheduling:

1. General:
a. Before start of Site Work, make arrangements for temporary electrical service as required.

2. Electrical systems:
a. Before bidding, Contact the utilities to determine the Work and materials that will be required from the Contractor, and all fees and permits that will be required, so that all utility systems furnished by the Contractor will be included in the bid.
b. Coordinate Work with Engineer to minimize downtime of existing operating equipment and electrical distribution systems and to preclude unsafe operation:
1) Notify Owner 10 days before power interruptions.
2) Coordinate downtime with Owner and local electric utility. c. During the construction of the Project, the existing electrical service must remain fully functional in order to supply uninterrupted electrical power to the facility and its ancillary buildings and structures.

3. Before commencing Site Work, coordinate underground conduit installations with other Work to eliminate conflicts and avoid interferences with other underground systems.

1.09 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

PART 2 PRODUCTS

2.01 GENERAL (NOT USED)

2.02 DESIGN AND PERFORMANCE CRITERIA
A. Electrical service:

1. Provide all Work and materials and bear all costs for providing temporary construction power and the permanent electrical service, including but not limited to:
a. All Work and materials to complete the 12 kV system shown in drawings.

Utility Coordination
16210-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED) b. Contractor to cover cost of the following work to be performed by Ukiah Electric Utility (cost of work to be performed by Utility to be provided by City of Ukiah Electric Department):
1) Installation of 12 kV conductors upon completion of conduit installation by Contractor.
2) 12 kV switching procedures and loop configuration.
c. All permits and fees required by the electric utility.

B. General:

1. Coordinate and obtain inspections and final installation approval from the serving utilities and other authorities having jurisdiction.

2.03 MANUFACTURERS (NOT USED)

2.04 MATERIALS
A. Provide materials in accordance with the applicable requirements of the utilities and as specified in these Specifications.

2.05 MANUFACTURED UNITS (NOT USED)

2.06 EQUIPMENT
A. Provide equipment in accordance with the applicable requirements of the utilities and as specified in these Specifications.

PART 3 EXECUTION

3.01 INSTALLATION
A. Reference Ukiah Electric Utility typical detail drawings provided at the end of this specification section for work on 12 kV cables and conduits.

END OF SECTION

Utility Coordination
16210-Attachment A 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED)

ATTACHMENT A - COUED VAULT CONSTRUCTION DETAILS

PRIMARY VAULT 504-LA
16210 Attachment A-1 08660F10 July 12, 2023 - CONFORMED

PRIMARY VAULT 504-FULL TRAFFIC
16210 Attachment A-2 08660F10 July 12, 2023 - CONFORMED

Utility Coordination
16210-Attachment B 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED)

ATTACHMENT B - COUED EQUIPMENT GROUNDING DETAILS



VAULT AND PADMOUNT

EQUIPMENT GROUNDING
16210 Attachment B-1 8660F10 July 12, 2023 - CONFORMED



PADMOUNT EQUIPMENT GROUNDING
16210 Attachment B-2 8660F10 July 12, 2023 - CONFORMED

Utility Coordination
16210-Attachment C 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16210 (CONFORMED)

ATTACHMENT C - COUED TYPICAL TRENCH DETAIL

CODE PART NO. MATERIAL QTY INITIALS CODE PART NO. MATERIAL QTY INITIALS 6" 12" MIN 6"
4'-0" MINIMUM
4"typ.

P
Center conduit
in Trench

PRIMARY CONDUIT
Trench depth varies with conduit size
in Trench
Center conduit
6" 12" MIN 6"
See Notes 1 & 2
38" MINIMUM
Sand
Bedding
Backfill4"
min.

S

SECONDARY CONDUIT
Trench depth varies with conduit size
24" MIN
58" MINIMUM 48" MINIMUM
18" MIN
6" 6"
T SL
G
4"typ.
typ.
3"
S
Trench depth varies with conduit size
JOINT UTILITY TRENCH 4" typ.
typ.
4"
P
S
6"
Trench depth varies with conduit size
6"

PRIMARY AND SECONDARY CONDUITS
Min. 2" A.C. Pavement
See Note 1
LEGEND
S = Secondary Conduit
P = Primary conduit18"
30"
40"

MINIMUM CLEARANCES BETWEEN UTILITIES

UTILITY G T C S P
G NA 12" 12" 6" 12"
T 12" NA 1" 1" 12"
C 12" 1" NA 12" 12"
S 6" 12" 12" NA 3"
P 12" 12" 12" 3" NA 24" 40" 30" 18" 6"
Min. 2" A.C. Pavement
See Note 1
LEGEND
C = Cable TV
G = Gas
T = Telephone
S = Secondary Conduit
P = Primary Conduit
LEGEND
S = Secondary conduit 18"
Min. 2" A.C. Pavement
See Note 1 40"
LEGEND
P = Primary conduit18"
Min. 2" A.C. Pavement
See Note 1
30"
NOTES:

1. USE CLASS 2 BASE AS BACKFILL IN IMPROVED AREAS.

NATIVE BACKFILL MAY BE USED IN UNIMPROVED AREAS
OUTSIDE CITY RIGHT-OF-WAY.

2. MINIMUM SEPARATION FROM OTHER UTILITY CONDUITS:
12" WHEN PARALLEL, 6" WHEN CROSSING.

Bedding
Sand
Backfill
See Notes 1 & 2
Bedding
Sand
Backfill
See Notes 1 & 2
Sand
Bedding
Backfill
See Notes 1 & 2
C
SL 6" 12" 12" 1" 3" SL = Street Light Conduit
P
6"

TYPICAL TRENCH DETAILS
16210 Attachment C-1 8660F10 July 12, 2023 - CONFORMED

Low Voltage Motors up to 500 Horsepower
16222-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED) SECTION 16222
LOW VOLTAGE MOTORS UP TO 500 HORSEPOWER
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Low voltage motors up to 500 horsepower (hp).

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. American Bearing Manufacturers Association (ABMA):

1. 9 - Load Ratings and Fatigue Life for Ball Bearings.

2. 11 - Load Ratings and Fatigue Life for Roller Bearings.

C. American Petroleum Institute (API):

1. 670 - Machinery Protection Systems.

D. ASTM International (ASTM).

1. B117 - Standard Practice for Operating Salt Spray (Fog) Apparatus.

E. Institute of Electrical and Electronic Engineers (IEEE):

1. 43 - IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery.

2. 112 - IEEE Standard Test Procedure for Polyphase Induction Motors and Generators.

3. 303 - Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations.

4. 841 - IEEE Standard for Petroleum and Chemical
Industry-Premium-Efficiency, Severe Duty, Totally Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors - Up to and Including 370 kW (500 hp).

5. 1349 - Guide for Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations.

F. National Electrical Manufacturers' Association (NEMA):

1. MG-1 - Motors and Generators.

2. MG-2 - Safety Standard for Construction and Guide for Selection, Installation, and Use of Electric Motors and Generators.

G. Underwriters Laboratories Inc. (UL):

1. 674 - Electric Motors and Generators for Use in Division 1 Hazardous (Classified) Locations.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

Low Voltage Motors up to 500 Horsepower
16222-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

1.04 SYSTEM DESCRIPTION
A. Furnish and install electric motors and accessories as specified in this Section and the Sections specifying driven equipment to provide a complete and operable installation.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Submit completed motor data sheets for each motor supplied:

1. As specified in Attachment A - Motor Data Sheet.

2. Manufacturer’s or other data sheets are not acceptable.

C. Product data:

1. Descriptive bulletins.

2. Machine tag and loop number as indicated on the Drawings and in the specification section number of the driven machine.

3. Complete electrical data.

4. Manufacturer’s storage recommendations.

5. Torque, current, and power factor versus speed curves:
a. At 100 percent rated voltage for all full voltage started and VFD-driven motors.
b. For motors on reduced voltage start at 70, 80, 90, and 100 percent rated voltage.

6. Accessories data:
a. Power factor correction capacitors:
1) Size in KVAR, for all motors not connected to variable frequency drives.
b. Motor winding heaters:
1) Voltage.
2) Watts.
c. Winding temperature detectors:
1) Type.
2) Rating.
d. Moisture detectors.

7. Mechanical data:
a. Bearing design and bearing life calculations.
b. Resonant frequencies for all VFD-driven motors 50 hp or greater.

D. Shop drawings:

1. Motor weight.

2. Frame size.

3. Conduit box(es), size(s), and location(s).

4. Outline drawings with dimensions.

5. Installation details for the project seismic criteria.

E. Test reports:

1. Factory test reports with test reference standard identified.

Low Voltage Motors up to 500 Horsepower
16222-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED) F. Certification:

1. When motors are driven by variable speed drive systems, submit certification that selected motor:
a. Is capable of satisfactory performance under the intended load. b. Meets the requirements of the latest edition of NEMA MG-1 Part 31.

G. Calculations:

1. Where site conditions specified in Section 01850 - Design Criteria exceed manufacturer’s ratings, provide derating calculations for each motor.

1.06 QUALITY ASSURANCE (NOT USED)

1.07 DELIVERY, STORAGE, AND HANDLING
A. Store motors in accordance with the manufacturer’s recommendations.

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTION (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. US Motors.

2. General Electric.

3. Reliance.

4. Toshiba.

5. Baldor.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

Low Voltage Motors up to 500 Horsepower
16222-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

2.05 EQUIPMENT
A. 3-phase induction motors - general:

1. Voltage:
a. All motors 1/2 hp and larger shall be rated 460 V, 3-phase unless otherwise indicated on the Drawings.
b. Dual voltage motors rated 230/460 V, 3-phase are acceptable provided all leads are brought to the conduit box.

2. Motors driving identical machines shall be identical.

3. All motors greater than 1 hp and up to 500 hp shall meet the "NEMA Premium Efficiency" percent listed in NEMA MG-1.

4. Horsepower as indicated on the Drawings:
a. Horsepower ratings indicated on the Drawings are based on vendor’s estimates. Provide motors sized for the load of the actual equipment furnished without operating in the service factor.

5. Service factor:
a. 1.15 service factor on sine wave power.
b. 1.0 when driven by VFD.

6. Torque:
a. Provide motors that develop sufficient torque for acceleration to full speed at voltage 10 percent less than motor nameplate rating. b. When started using reduced voltage starters:
1) Provide motors that develop sufficient torque for acceleration to full speed.
c. NEMA Design B except where driven load characteristics require other than normal starting torque:
1) In no case shall starting torque or breakdown torque be less than the values specified in NEMA MG-1.

7. Enclosures:
a. As specified in the individual equipment Specifications or in this Section. b. Totally enclosed fan cooled:
1) Cast iron conduit box.
2) Tapped drain holes with Type 304 stainless steel plugs for frames 286 and smaller, and automatic breather and drain devices for frames 324 and larger.
c. Explosion-proof:
1) Tapped drain holes with corrosion resistant plugs for frames 286 and smaller and automatic breather and drain devices for frames 324 and larger.
d. Lifting devices: All motors weighing 265 pounds (120 kilograms) or more shall have suitable lifting devices for installation and removal.

8. Manufactured with cast iron frames in accordance with NEMA MG-1 or manufacturer’s standard material for the specified rating.

9. Nameplates:
a. Provide all motors with a permanent, stainless steel nameplate indelibly stamped or engraved with:
1) NEMA standard motor data.
a) Indicate compliance with NEMA MG-1 Part 31 for inverter duty motors.
2) AFBMA bearing numbers and lubrication instructions.

Low Voltage Motors up to 500 Horsepower
16222-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

10. Hardware:
a. Type 304 stainless steel.

11. Conduit boxes:
a. Cast iron or stamped steel.
b. Split from top to bottom.
c. Provide gaskets at the following interfaces:
1) Frames and conduit boxes.
2) Conduit boxes and box covers.
d. Rotatable through 360 degrees in 90-degree increments. 1) Where available based on the size of the conduit box. e. Exceeding the dimensions defined in NEMA MG-1.
f. Provide grounding lugs inside conduit boxes for motor frame grounding.

12. Motor bearings:
a. Antifriction.
b. Regreasable and initially filled with grease for horizontal motors and vertical motors per manufacturer’s standard design.
c. Bearings and lubrication suitable for ambient temperature and temperature rise.
d. Suitable for intended application and have ABMA L-10 rating life of 60,000 hours or more.
e. Fit bearings with easily accessible grease supply, flush, drain, and relief fittings using extension tubes where necessary.
f. Where specified in the equipment Specifications, provide split-sleeve type hydrodynamic radial bearings. Provide a bearing isolator to protect bearings from contaminants.

13. Insulation systems:
a. Motors installed in ambient temperatures between 40 degrees Celsius and 50 degrees Celsius:
1) Provide Class F insulation.
2) Design temperature rise consistent with Class B insulation. 3) Rated to operate at an ambient temperature of 50 degrees Celsius at the altitude where the motor will be installed.

14. Motor leads:
a. Insulated leads with non-wicking, non-hydroscopic material. Class F insulation.

15. Noise:
a. Maximum operating noise level in accordance with NEMA MG-1.

B. Vertical motors:

1. Enclosures:
a. Totally enclosed fan cooled (TEFC) for motors 200 hp and less installed outdoors.

2. Thrust bearings:
a. Selected for combined rotor and driven equipment loads. b. Coordinate with driven equipment supplier for maximum vertical thrust of driven equipment.

3. Anti-reverse ratchet.

C. Motors driven by variable frequency drives:

1. Compatible with the variable frequency drives specified.

2. Inverter duty rated and labeled.

Low Voltage Motors up to 500 Horsepower
16222-6 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

3. Meet the requirements of NEMA MG-1 Part 31.

4. Winding insulation meets the requirements of NEMA MG-1 Part 31.4.4.2.

5. Capable of running continuously at 1/10th of full speed, with no harmful effects or overheating.

6. Shaft grounding ring:
a. Provide a shaft grounding ring for each VFD-driven motor. b. Aluminum frame and internal components.
c. Conductive microfiber brushes.
d. Maintenance free design.
e. Aegis Bearing Protection ring as manufactured by Electro Static Technology or equal.

D. Motors installed in corrosive environments:

1. Nameplate indicating conformance to IEEE 841.

2. Stator double dipped in varnish and baked.

3. Stator and rotor coated with corrosion resistant epoxy.

4. Frame, brackets, fan guard and conduit box coated with minimum of 2 coats of epoxy paint.

5. Withstand salt spray tests in accordance with ASTM B117.

E. Single-phase motors:

1. Capacitor start type rated for operation at 115 volts, 60 hertz, unless otherwise specified or as indicated on the Drawings.

2. Totally enclosed fan cooled (TEFC) motors manufactured in accordance with NEMA MG 1.

3. Ball bearings: Sealed.

4. 1/2 hp or less fan motors:
a. Split-phase or shaded pole type when standard for the equipment. b. Open type when suitably protected from moisture, dripping water, and lint accumulation.

5. Wound rotor or commutator type single-phase motors only when their specific characteristics are necessary for application and their use is acceptable to the Engineer.

6. Integral overload protection.

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES
A. Motor winding heaters:

1. Provide all 3-phase motors with belted or cartridge space heaters mounted within the motor enclosure.

2. Space heater rating shall be 120 volts, single-phase, unless otherwise indicated on the Drawings.

3. Power leads for heaters wired into conduit box.

4. Installed within motor enclosure adjacent to core iron.

Low Voltage Motors up to 500 Horsepower
16222-7 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED) B. Winding temperature detectors:

1. Provide factory installed winding temperature detector with leads terminating in the conduit box:

2. Temperature switches with normally closed contacts as indicated on the Drawings.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install motors in accordance with manufacturer's instructions.

B. Install shaft grounding ring on VFD-driven motors in accordance with the manufacturer’s instructions.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING AND PROCESS START-UP
A. As specified in Section 01756 - Commissioning.

B. Factory testing:

1. Motors less than 250 hp:
a. Perform manufacturer’s standard production tests including but not limited to:
1) No load current.
2) High potential test.
3) Winding resistance.
b. Furnish copies of standard test reports on prototype or identical units.

3.08 FIELD QUALITY CONTROL
A. Before start-up, perform insulation resistance test on each motor furnished or installed on this project:

1. Windings energized to 1,000 volts DC for 1 minute.

Low Voltage Motors up to 500 Horsepower
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2. Resistance measured at the end of the test, recorded, and submitted to the Engineer for review.

3. Inform the Engineer of any unusual or unacceptable test results.

4. This test is in addition to the acceptance tests in Section 16950 - Field Electrical Acceptance Tests.

3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

END OF SECTION

Low Voltage Motors up to 500 Horsepower
16222-Attachment A 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

ATTACHMENT A - MOTOR DATA SHEET

Low Voltage Motors up to 500 Horsepower
16222-Attachment A-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16222 (CONFORMED)

MOTOR DATA SHEET

MOTOR/ EQUIPMENT TAG MOTOR NUMBER

SPECIFICATION NUMBER OF DRIVEN MACHINE

MOTOR NAMEPLATE DATA
MANUFACTURER MODEL/SERIES MODEL NO.

FRAME ENCLOSURE NEMA DESIGN

HP SERVICE FACTOR RPM

INSULATION CLASS VOLTS FULL LOAD AMPS

AMBIENT TEMP PHASE NO LOAD AMPS

DESIGN TEMP HERTZ LOCK ROTOR AMPS

INRUSH CODE LETTER
100% LOAD 75% LOAD 50% LOAD
GUARANTEED MINIMUM EFFICIENCIES:

GUARANTEED MINIMUM POWER FACTOR:

MAXIMUM SIZE OF POWER FACTOR CORRECTION CAPACITOR: KVAR

ACCESSORIES

MOTOR WINDING HEATER VOLTS WATTS

WINDING THERMAL PROTECTION

WINDING TEMP SWITCHES (YES/NO)
RTD:

TYPE QUANTITY PER PHASE # OF WIRES

NOMINAL RESISTANCE NOMINAL TEMP COEFFICIENT

RECOMMENDED
ALARM

DEGREES

CELSIUS

RECOMMENDED
TRIP

DEGREES

CELSIUS

SPECIAL APPLICATIONS
INVERTER DUTY* (YES/NO) PART WINDING (YES/NO) WYE - DELTA (YES/NO) 2 SPEED, 1 WINDING (YES/NO) 2 SPEED, 2 WINDING (YES/NO) AREA CLASSIFICATION:

CLASS DIVISION GROUP TEMP CODE
*Conforms to NEMA MG-1 Part 31.

Variable Frequency Drives 0.50 - 50 Horsepower
16262-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16262 (CONFORMED) SECTION 16262
VARIABLE FREQUENCY DRIVES 0.50 - 50 HORSEPOWER
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Variable frequency drives (VFD) 0.5 to 50 horsepower for control of NEMA Design B squirrel cage induction motors.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. International Organization for Standardization (ISO):

1. 9001 - Quality Management Systems - Requirements.

C. National Electrical Manufacturers Association (NEMA):

1. MGI, Part 31 – Motors with higher peak voltage capability.

D. Underwriters’ Laboratories (UL):

1. 508A - Standard for Safety for Industrial Control Panels.

2. 508C - Standard for Power Conversion Equipment.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. Point of common coupling: the point of common coupling for all harmonic calculation and field measurements for both voltage and current distortions is defined as the closest directly connected bus supplying power to the VFD.

1.04 SYSTEM DESCRIPTION
A. Design requirements:

1. Each VFD system consists of all components required to meet the performance, protection, safety, testing, and certification criteria of this Section.

2. The VFD system:
a. Is a fully integrated package.
b. Includes all material necessary to interconnect all VFD system elements, even if shipped separately.

3. Coordinate bearing protection methods with the supplier of the driven equipment.

Variable Frequency Drives 0.50 - 50 Horsepower
16262-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16262 (CONFORMED) B. Any modifications to a standard product necessary to meet this Section shall be made only by the VFD manufacturer:

1. Each VFD shall be completely factory pre-wired, assembled, and then tested as a complete system by the VFD manufacturer to ensure a properly coordinated, fully integrated drive system.

2. The VFD shall be capable of operating standard NEMA Design B motors. It is the responsibility of the VFD manufacturer to ensure that the drive will not damage motor insulation due to high carrier frequency, reflected wave, dv/dt or other drive electrical characteristics based upon the installed conditions:
a. Provide equipment necessary to mitigate potential damage to motor insulation.
b. Motors as specified in Section 16222 - Low Voltage Motors up to 500 Horsepower.

C. Performance:

1. Operating envelope:
a. Speed and torque requirements:
1) Provide a variable torque or constant torque VFD as required by the driven load.
2) The VFD shall be capable of producing a variable alternating voltage/frequency output to provide continuous operation over the 40 to 200 percent (25 to 120 hertz) speed range.
b. Current requirements:
1) Full rated current output on a continuous basis.
2) Variable torque VFD:
a) Minimum 110 percent current overload for 1 minute.
3) Constant torque VFD:
a) Minimum 150 percent current overload for 1 minute.

2. Minimum VFD system efficiency:
a. 96 percent when operating at the rated kW output.
a. VFD system efficiency shall be calculated as follows:
x 100
Power (Supply)
Power (Load) Efficiency (%) =
Power (Load) is the total power measured at the output terminals of the drive system, including VFD, output filters, or transformers. Power (Supply) is the total power measured at the input terminals of the VFD including input filters, line reactors, isolation transformers, harmonic distortion attenuation equipment and auxiliary equipment (e.g., controls, fans) for complete system operation.

3. Total power factor:
a. Minimum of 0.96 lagging across the entire speed range. b. At no speed shall the VFD have a leading power factor.

4. Frequency accuracy:
a. Minimum of within 0.01 percent.

5. Speed regulation:
a. Minimum of within 0.5 percent across the entire speed range.

Variable Frequency Drives 0.50 - 50 Horsepower
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1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures:

1. Custom prepared by the VFD manufacturer and specific for the equipment furnished.

B. Product data:

1. Manufacturer of the VFD.

2. Manufacturer of all components of the VFD.

3. Dimensions:
a. Height.
b. Width.
c. Depth.
d. Weight.

4. Nameplate schedule.

5. Bill of material.

6. Ratings:
a. Voltage.
b. Phase.
c. Input current.
d. Output current.
e. Interrupting rating.
f. Momentary current rating.

7. List of recommended spare parts.

8. Catalog cutsheets for major components.

9. Design data:
a. Efficiency and power factor values.
b. Certification that the drive is sized for the full nameplate motor horsepower and current of the driven load at the installed altitude and ambient temperature.
c. Certification that based upon VFD design, cable length to motor, and motor dielectric insulation level that the VFD will not damage motor insulation due to carrier frequency, reflected wave, dv/dt, or other VFD produced characteristics.
d. Certification that all electronic circuits and printed circuit boards are conformally coated.

10. For equipment installed in structures designated as seismic design category C, D, E, or F submit the following as specified in Section 01850 - Design Criteria:
a. Manufacturer’s statement of seismic qualification with substantiating test data.
b. Manufacturer’s special seismic certification with substantiating test data.

C. Shop drawings:

1. Complete plan and elevation drawings showing:
a. All dimensions.
b. Panel, sub-panel, and component layout indexed to the bill of material. c. Conduit connections.

2. Block diagram showing the basic control and protection systems specifying the protection, control, trip and alarm functions, the reference signals and commands and the auxiliary devices.

Variable Frequency Drives 0.50 - 50 Horsepower
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3. Complete schematic, wiring and interconnection diagrams showing connections to both internal and external devices:
a. Include terminal number and wire numbers.

4. Complete single-line and 3-line diagrams including, but not limited to, circuit breakers, motor circuit protectors, contactors, instrument transformers, meters, relays, timers, control devices, and other equipment comprising the complete system:
a. Clearly indicate device electrical ratings on the drawings.

D. Control descriptions and control logic program:

1. Provide control descriptions describing the full control functionality to be incorporated into the programming of the drive including the following:
a. Functionality in local and remote.
b. Software and hardware interlocks.
c. Control response upon loss and restoration of power.

2. Provide complete register list of all IO available to the Plant PCS.

3. Submit the completed control logic program for each and every device supplied.

4. Submit a list of all networking address tables.

5. Submit configuration settings in accordance with actual motor and field equipment being supplied.

E. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. For equipment installed in structures designated as seismic design category A or B:
a. Provide manufacturer’s installation instructions and anchoring details for connecting equipment to supports and structures.

3. For equipment installed in structures designated as seismic design category C, D, E, or F:
a. Provide project-specific installation instructions and anchoring details based on support conditions and requirements to resist seismic and wind loads as specified in Section 01850 - Design Criteria.
b. Submit anchoring drawings with supporting calculations. c. Drawings and calculations shall be stamped by a professional engineer registered in the state where the Project is being constructed.

F. Operation and maintenance manuals:

1. Spare parts list with supplier names and part numbers.

2. Startup and commissioning instructions and data.

3. Operating manuals:
a. Submit operating instructions and a maintenance manual presenting full details for care and maintenance of each model of VFD provided under this Contract.

4. Operating instructions:
a. Written descriptions detailing the operational functions of all controls on the front panel.

Variable Frequency Drives 0.50 - 50 Horsepower
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5. Maintenance manual:
a. Furnish maintenance manuals with instructions covering all details pertaining to care and maintenance of all equipment as well as identifying all parts.
b. Manuals shall include, but are not limited to the following:
1) Adjustment and test instructions covering the steps involved in the initial test, adjustment, and start-up procedures.
2) Detailed control instructions which outline the purpose and operation of every control device used in normal operation.
3) All schematic wiring and external diagrams:
a) Furnish drawings in a reduced 11-inch by 17-inch format that are fully legible at that size.

G. Test forms and reports.

1. Submit complete factory acceptance test procedures and all forms used during the test.

2. Submit complete control description checklist and IO checklist organized by VFD for use during the control logic portion of the witnessed factory acceptance testing as well as the witnessed field acceptance testing.

H. Manufacturer’s Certificate of Installation and Functionality Compliance.

I. Manufacturer’s field reports:

1. Report listing the setting of all VFD adjustable parameters and their values after start-up.

J. Record Documents:

1. Certified Record Documents of equipment with information listed above.

1.06 QUALITY ASSURANCE
A. Qualifications:

1. Any third-party certification, safety or protection requirements shall be applied to the VFD system as a whole. Certification or protection of system elements or individual components by themselves is not acceptable.

2. VFDs shall be UL 508C listed and labeled:
a. UL 508C for individual units.
b. UL 508A for VFD systems in control panels.

3. Variable frequency drives shall be manufactured by the VFD manufacturer at its own facility which shall have a quality assurance program that is certified in conformance with ISO 9001.

1.07 DELIVERY, STORAGE, AND HANDLING
A. Ship the VFDs and associated equipment to the job site on a dedicated air ride vehicle that will allow the Contractor to utilize onsite offloading equipment:

1. VFDs shall be delivered to the site preassembled and wired.

B. Furnish temporary equipment heaters within the VFD to prevent condensation from forming.

Variable Frequency Drives 0.50 - 50 Horsepower
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1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING
A. Conduct Programming and Data Exchange Coordination Meeting.

B. Conduct factory acceptance test and submit certified test results for Engineer’s review.

C. Ship equipment to project site after successful completion of factory acceptance test.

D. Assemble equipment in the field.

E. Conduct field acceptance test and submit results for Engineer’s review.

F. Submit Manufacturers Certificate of Installation and Functionality Compliance.

G. Conduct Owner’s training sessions.

H. Commissioning and process start-up as specified in Section 01756 - Commissioning.

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP
A. The VFD manufacturer shall be responsible for start-up of the VFDs in the presence of the equipment suppliers, Contractor, Engineer, and Owner.

1.13 OWNERS INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE
A. Spare parts:

1. The following spare parts shall be furnished:
a. 1 set of all power and control fuses for each VFD.
b. One complete main control key pad for each type and rated size of VFD. c. 1 spare fan for each VFD unit.
d. 2 sets of ventilation filters for each VFD unit (if applicable in VFD cabinet louvers).
e. 1 set of thyristors or power electronics for each type and rated size of VFD.
f. Any special dedicated tools for emergency service and troubleshooting. g. All hardware and software required for configuration, maintenance, troubleshooting, and inquiry of all drive parameters.

Variable Frequency Drives 0.50 - 50 Horsepower
16262-7 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16262 (CONFORMED) PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. ABB ACS-880.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. General:

1. Sinusoidal pulse width modulated (PWM) type drive.
a. 6-pulse insulated gate bipolar transistor (IGBT) power section. b. Microprocessor based controls.
c. Line reactors.
d. Load reactor or dv/dt filter as required by motor cable length.

B. Ratings:

1. Voltage:
a. Input voltage as indicated on the Drawings.

C. Operational features:

1. Protective features:
a. Provide the following minimum protective features:
1) Motor overload protection.
2) Instantaneous overcurrent.
3) Instantaneous overvoltage.
4) Undervoltage.
5) Power unit overtemperature.
6) Phase loss.
7) VFD output short circuit.

2. Control mode:
a. Operation in either a constant volts/hertz or sensorless vector mode:
1) The control mode selectable using the programming keypad.

3. Frequency control:
a. Minimum of 3 selectable skip frequencies with adjustable bandwidths. b. Programmable minimum frequency.
c. Programmable maximum frequency.

4. Acceleration/deceleration:
a. Separately adjustable acceleration and deceleration rates:
1) Each rate adjustable from 0.01 to 1,800 seconds.

5. Spinning load:
a. The VFD shall be capable of determining the speed and direction of a spinning load, “catch” the load and accelerate or decelerate it without damage to the load.

Variable Frequency Drives 0.50 - 50 Horsepower
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6. Programmable loss of signal:
a. Upon loss of speed reference the VFD shall be programmable to either:
1) Stop.
2) Maintain current speed.
3) Default to pre-selected speed.

7. Power interrupt ride-through:
a. The VFD shall be capable of continuous operation in the event of a power loss of 5 cycles or less.

8. Inputs/Outputs:
a. Manufacturer’s standard number the following:
1) Analog inputs:
a) Configurable as either 0 to 10 volts or 4 to 20 milliamperes. 2) Analog outputs:
a) Programmable 4 to 20 milliamperes isolated.
3) Discrete inputs:
a) Programmable.
4) Discrete outputs:
a) Programmable.
b) Form C relay contacts.
5) Potentiometer 3-wire input.
b. Provide additional inputs/outputs as required to meet the control functions indicated on the Drawings.

9. Communications:
a. Provide each VFD with a EtherNet I/P communications interface module.

10. Automatic control:
a. PID capability utilizing an internal or external setpoint:
1) Selectable setpoint source.

11. Diagnostics:
a. Store a minimum of 4 fault conditions in non-volatile memory on a first in-first out basis.
b. Operational parameters stored at the time of the fault:
1) Operating frequency.
2) Drive status.
3) Power mode.
c. Fault memory accessible via RS-232, RS-422, or RS-485.

12. Automatic restart:
a. User selectable automatic restart feature allowing the VFD to restart following a momentary power failure or other VFD fault:
1) Programmable for up to 9 restart attempts.
2) Adjustable time delay between restart attempts.

2.06 COMPONENTS
A. Enclosure:

1. NEMA Type 12 free-standing or floor mounted.

2. Provide cooling devices required to maintain the VFD within the manufacturer’s specified temperature limits for the Project conditions:
a. Provide cooling device failure alarm.

Variable Frequency Drives 0.50 - 50 Horsepower
16262-9 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16262 (CONFORMED) B. Power disconnect:

1. Flange-mounted thermal magnetic circuit breaker.

2. Lockable in the OFF position.

C. Input Reactor:

1. 3 percent input line reactor.

D. Output Device:

1. 3 percent output load reactor.

2. dV/dt filter:
a. Common mode reduction: 30 percent minimum.
b. Motor terminal peak voltage limit: 150 percent of dc bus voltage with a motor lead length up to 1,000 feet.
c. Carrier frequency range: up to 12 khz.
d. Efficiency: 98 percent minimum.
e. Class H insulation minimum.

E. Keypad:

1. Provide each VFD with a keypad for programming and control.

2. Keypad requirements:
a. Password security to protect drive parameters.
b. Mounted on the door of the VFD enclosure.
c. Back-lit LCD:
1) Minimum of 2 lines with a minimum of 16 characters per line. d. Programming and display features language: English.
e. Capable of displaying the following parameters:
1) Speed (percent).
2) Output current (amperes).
3) Output frequency (hertz).
4) Input voltage.
5) Output voltage.
6) Total 3-phase kilowatt.
7) Kilowatt-hour meter.
8) Elapsed run time meter.
9) Revolutions per minute.
10) Direct current bus voltage.

3. In addition to all keys required for programming, provide the following controls on the keypad:
a. Auto/manual selector.
b. Start pushbutton.
c. Stop pushbutton.
d. Jog pushbutton.
e. Speed increment.
f. Speed decrement.
g. Forward/reverse selector.
h. Run LED indicator.
i. Program LED indicator.
j. Fault LED indicator.

4. Provide the VFD with the hardwired controls as indicated on the Drawings.

Variable Frequency Drives 0.50 - 50 Horsepower
16262-10 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16262 (CONFORMED) F. Control power transformer:

1. Furnish a control power transformer mounted and wired inside the VFD enclosure.

2. With primary and secondary fusing.

3. Sized to power all VFD controls and options as well as any external devices indicated on the Drawings including the motor winding heater.

2.07 ACCESSORIES
A. Metal oxide varistors:

1. Provide protection for the VFD against:
a. Line transients: 5,000 volt peak minimum.
b. Line to ground transients: 7,000 peak minimum.

B. Conformal coating:

1. Provide conformal coating material applied to electronic circuitry and printed circuit boards to act as a protection against moisture, dust, temperature extremes, and chemicals such as H2S and chlorine.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES
A. Enclosure finish shall be manufacturer’s standard gray.

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details to meet the seismic and wind load requirements at the Project site.

B. General:

1. Furnish all cables, conduit, lugs, bolts, expansion anchors, sealants, and other accessories needed to complete the installation of the VFD (free-standing or within motor control center).

2. Assemble and install the VFD in the locations and with the layouts indicated on the Drawings.

3. Perform work in accordance with manufacturer’s instructions and shop drawings.

4. Furnish components and equipment as required to complete the installation.

Variable Frequency Drives 0.50 - 50 Horsepower
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5. Replace any hardware lost or damaged during the installation or handling to provide a complete installation.

6. Install free-standing enclosures on a raised concrete housekeeping pad:
a. Provide structural leveling channels in accordance with the manufacturer’s recommendations to provide proper alignment of the units. b. Weld and/or bolt the VFD frame to the leveling channels.

7. Provide openings in top or bottom of the VFD (free-standing or within motor control center) enclosure for conduit only, no additional openings will be allowed:
a. Improperly cut holes will require that the entire panel be replaced:
1) No hole closers or patches will be allowed.

8. Bundle circuits together and terminate in each unit:
a. Tie with nylon wire ties.
b. Label all wires at each end with wire numbers shown on the approved control drawings.
c. All connections to and from the VFD (free-standing or within motor control center) enclosure must be made via terminal blocks.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Source testing (Factory Acceptance Tests):

1. Owner and Engineer will witness the Factory Acceptance Test as specified in Section 16050 - Common Work Results for Electrical.

2. General:
a. Incoming inspection of components and raw materials based on strategic supplier base and experience.
b. All VFDs furnished under this Section shall be tested and inspected as specified below. Testing of VFDs based on sampling plans is not allowed. c. The testing procedures specified are the minimum acceptable requirements. The manufacturer may perform additional tests at its discretion.

3. Failure of any component during testing requires repair of the faulted component and complete retest.

4. Tests:
a. Perform manufacturer's standard factory acceptance tests.

C. Provide Manufacturer’s Certificate of Installation and Functionality Compliance as specified in Section 01756 - Commissioning.

D. Owner training:

1. As specified in Sections 01756 - Commissioning and 16050 - Common Work Results for Electrical.

Variable Frequency Drives 0.50 - 50 Horsepower
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3.08 FIELD QUALITY CONTROL
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Provide the services of a VFD manufacturer representative for startup assistance and training:

1. Inspection and field adjustment:
a. Supervise the following and submit written certification that the equipment and controls have been properly installed, aligned, adjusted, and readied for operation.

2. Startup field testing:
a. Provide technical direction for testing, checkout, and startup of the VFD equipment in the field.
b. Under no circumstances are any portions of the drive system to be energized without authorization from the manufacturer's representative.

3.09 ADJUSTING
A. Make all adjustments as necessary and recommended by the manufacturer, Engineer, or testing firm.

B. Provide the services of a VFD manufacturer factory technician to make all drive parameters and protective device settings:

1. Protective device settings provided by the VFD manufacturer in accordance with the manufacturer of the driven equipment requirements.

2. Provide documentation of VFD settings included but not limited to:
a. Minimum speed.
b. Maximum speed.
c. Skip speeds.
d. Current limit.
e. Acceleration time.
f. Deceleration time.

C. Programming:

1. Manufacturer/supplier may contract with the project Programmer for portions of the tasks below.

2. Provide all gateway communications between the drive to the Owner's control system as required.

3. Provide all control logic as indicated in the control descriptions.

4. Configure all network communications with applicable security settings, IP addresses and any other addressing tables required to provide a fully functioning system.

5. Coordinate all IP addresses with the Owner.

6. Coordinate data exchange approach for efficient communications to the Owner's control and maintenance systems. This effort will include a coordination meeting to discuss the data exchange approach including formatting and mapping.

7. Provide witnessed source testing to prove out all Overload control logic as well as interaction with Owner’s control and maintenance systems at the supplier's facility. ICSC/Programmer shall attend witnessed testing.

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3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

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REDUCED HARMONIC VARIABLE FREQUENCY DRIVES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Reduced harmonic 18 pulse or active front end, variable frequency drives (VFD), 60 to 500 hp for control of standard NEMA Design B squirrel cage induction motors.

1.02 REFERENCES
A. Definitions:

1. AFE: Active Front End.

2. ULH: Ultra-Low Harmonics

3. IGBT: Insulated Gate Bipolar Transistor.

4. VFD: Variable Frequency Drive.

B. Standards:

1. National Electrical Manufacturers Association (NEMA):
a. 250 - Enclosures for Electrical Equipment (1,000 V Maximum).

2. Underwriters’ Laboratories, Inc. (UL):
a. 508A - Standard for Safety for Industrial Control Panels.

1.03 DELEGATED DESIGN
A. As specified in Section 01357 - Delegated Design Procedures.

B. Anchoring and bracing.

1.04 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures:

1. Custom prepared by the VFD manufacturer and specific for the equipment furnished.

B. Product data:

1. Manufacturer of the VFD.

2. Manufacturer of all components of the VFD.

3. Dimensions:
a. Height.
b. Width.
c. Depth.

4. Weight.

5. Nameplate schedule.

6. Bill of material.

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7. Ratings:
a. Voltage.
b. Phase.
c. Input current.
d. Output current.
e. Interrupting rating.
f. Momentary current rating.

8. Catalog cutsheets for major components.

9. Surge protection data.

10. Design data:
a. Efficiency and power factor values.
b. Certification that the drive is sized for the full nameplate motor hp and current (at rated RPM) of the driven load at the installed altitude. c. Certification that based upon VFD design, cable length to motor, and motor dielectric insulation level that the VFD will not damage motor insulation due to carrier frequency, reflected wave, dv/dt, or other VFD produced characteristics.
d. Certification that all electronic circuits and printed circuit boards are conformably coated.
e. Certification that the VFD will operate with all power sources (including alternate utilities and on-site generation when applicable).

11. List of recommended spare parts.

12. For equipment installed in structures designated as seismic design category C, D, E, or F submit the following as specified in Section 01850 - Design Criteria:
a. Manufacturer’s statement of seismic qualification with substantiating test data.
b. Manufacturer’s special seismic certification with substantiating test data.

C. Shop drawings:

1. Complete plan and elevation drawings showing:
a. All dimensions.
b. Panel, sub-panel and component layout indexed to the bill of material. c. Conduit connections.
d. Required clearance around equipment.

2. Block diagram showing the basic control and protection systems identifying the protection, control, trip and alarm functions, the reference signals and commands and the auxiliary devices.

3. Complete schematic, wiring and interconnection diagrams showing connections to both internal and external devices:
a. Wiring diagrams shall include terminal number and wire numbers.

4. Complete 1-line and 3-line diagrams including, but not limited to, circuit breakers, motor circuit protectors, contactors, instrument transformers, meters, relays, timers, control devices, and other equipment comprising the complete system:
a. Device electrical ratings shall be clearly indicated on the Drawings.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16265 (CONFORMED) D. Delegated design submittals:

1. Anchoring and bracing: Provide project-specific calculations based on support conditions and requirements to resist loads specified in Section 01850 - Design Criteria:
a. To structures for equipment installed in structures designated as seismic design category C, D, E, or F.
b. For equipment installed outdoors.

E. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. Provide manufacturer’s installation instructions.

F. Commissioning submittals:

1. As specified in Section 01756 - Commissioning, including the following:
a. Manufacturer’s representative qualifications.
b. Certificates:
1) Requirements as specified in this Section.
c. Test Plans:
1) Test requirements as specified in this Section.
d. Test Reports.
e. Manufacturer’s representatives field notes and data. f. Owner training.

G. Certifications:

1. Certification letter from the VFD manufacturer stating that the VFD(s) are capable of operating with all new and existing sources (utility sources and on-site generation in possible operating configurations).

2. Certification letter from the VFD manufacturer stating that the VFD(s) are capable of operating with all new and existing VFDs in the existing and new distribution system.

H. Control descriptions and control logic program:

1. Provide control descriptions describing the full control functionality to be incorporated into the programming of the drive including the following:
a. Functionality in local and remote.
b. Software and hardware interlocks.
c. Control response upon loss and restoration of power.

2. Provide complete register list of all IO available to the Plant PCS.

3. Submit the completed control logic program for each and every device supplied.

4. Submit a list of all networking address tables.

5. Submit configuration settings in accordance with actual motor and field equipment being supplied.

I. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. Provide manufacturer’s installation instructions.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16265 (CONFORMED) J. Calculations:

1. Harmonic study:
a. A preliminary harmonic analysis shall be performed:
1) A power system short circuit ratio of 20 shall be used. 2) All VFDs shall be assumed to be operating at maximum speed and maximum load.
3) The short circuit current (ISC) utilized for the harmonic analysis calculations is defined as:
a) ISC = 20 * (Sum Total Full Load Amps of all VFDs).
b. A separate harmonic analysis shall be performed based on the standby generator system. Coordinate with the generator manufacturer and the VFD manufacturer so the actual characteristics for the generator supplied, or existing, for this Project are used in the harmonic analysis.

2. Detailed calculations or details of the actual physical testing performed on the VFD to prove the VFD is suitable for the seismic conditions at the Project Site.

K. Test forms and reports:

1. Submit complete field acceptance test procedures and all forms used during the test:
a. Testing performed by independent organization as specified in Section 16950 - Field Electrical Acceptance Tests.

2. Submit complete control description checklist and IO checklist organized by VFD for use during the control logic portion of the witnessed field acceptance testing.

L. Record documents:

1. Certified record documents of all equipment with information listed above.

M. Manufacturer’s field reports:

1. Certification letter from the VFD manufacturer that the VFD(s) has been inspected and installed in accordance with the manufacturer’s requirements.

2. Report listing the setting of all VFD adjustable parameters and their values after start-up.

3. Certification letter from the VFD manufacturer stating that the VFD(s) are programmed to avoid system resonances when connected to the standby generator and will not conflict with generator system voltage regulator.

N. Operation and maintenance manuals:

1. Spare parts list with supplier names and part numbers.

2. Start-up and commissioning instructions and data.

3. Complete bill of material indexed to the drawings, identifying the catalog or part numbers, manufacturer, and quantities of components of the VFD system.

4. Operating manuals:
a. Submit operating instructions and a maintenance manual presenting full details for care and maintenance of each model of VFD provided under this Contract.

5. Operating instructions:
a. The written descriptions shall detail the operational functions of all controls on the front panel including keypad functions and parameters.

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6. Maintenance manual:
a. Furnish maintenance manuals with instructions covering all details pertaining to care and maintenance of all equipment as well as identifying all parts.
b. Manuals shall include but are not limited to the following:
1) Adjustment and test instructions covering the steps involved in the initial test, adjustment and start-up procedures.
2) Detailed control instructions that outline the purpose and operation of every control device used in normal operation.
3) All schematic wiring and external diagrams:
a) Furnish drawings in a fully legible reduced 11-inch by 17-inch format.

1.05 QUALITY ASSURANCE
A. Qualifications:

1. Any third-party certification, safety or protection requirements shall be applied to the VFD system as a whole. Certification or protection of system elements or individual components by themselves is not acceptable.

2. VFDs shall be UL 508C listed and labeled.

3. VFD systems (packaged VFD panels) shall be UL 508A listed and labeled.

4. VFDs shall be manufactured by the VFD manufacturer at its own facility, which shall have a quality assurance program that is certified in accordance with ISO 9001.

1.06 DELIVERY, STORAGE, AND HANDLING
A. Ship VFDs to the job site on a dedicated air ride vehicle that will allow the Contractor to utilize on site off-loading equipment:

1. VFDs shall be delivered to the site pre-assembled and wired.

2. Ship each VFD with 2 tamperproof accelerometers that record the maximum shock and vibration experienced by the VFD during shipping and handling.

B. Furnish temporary equipment heaters within the VFD to prevent condensation from forming.

1.07 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.08 ADMINISTRATIVE REQUIREMENTS
A. Sequencing:

1. Conduct Programming and Data Exchange Coordination Meeting.

2. Assemble equipment in the field.

3. Conduct field acceptance tests including harmonic testing and submit results for Engineer’s review:
a. All utility power sources and on-site generation shall be installed and operable for field test.

4. Submit manufacturer’s certification that equipment has been properly installed and is fully functional for Engineer’s review.

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5. Conduct Owner’s training sessions.

6. Commissioning and process start-up as specified in Section 01756 - Commissioning.

1.09 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

B. Extended warranty:

1. Provide an additional 2 years manufacturer’s warranty from date of startup for all equipment provided under this Section.

1.10 SYSTEM START-UP
A. The VFD manufacturer shall be responsible for start-up of the VFDs in the presence of the equipment suppliers, Contractor, Engineer, and Owner.

1.11 MAINTENANCE
A. Maintenance service: Manufacturer shall describe the field service system available to support the proposed VFD system. As a minimum describe:

1. Type of technical support available (e.g., system engineering and technician).

2. Location of field service personnel.

3. Field service daily rates in dollars per hour and dollars per day.

4. Guaranteed response times to service requests.

B. Spare parts:

1. The following spare parts shall be furnished:
a. 1 complete VFD of each size furnished.
b. 1 set of all power and control fuses for each VFD.
c. 1 spare fan for each VFD unit.
d. 2 sets of ventilation filters for each VFD unit (if applicable in VFD cabinet louvers).
e. Any special dedicated tools for emergency service and troubleshooting. f. All hardware and software required for configuration, maintenance, troubleshooting and inquiry of all drive parameters.

PART 2 PRODUCTS

2.01 GENERAL (NOT USED)

2.02 DESIGN AND PERFORMANCE CRITERIA
A. Provide equipment and components that are fully rated for the site elevation and operating environment where the equipment will be installed as specified in Section 01850 - Design Criteria and as indicated on the Drawings.

B. Non-conditioned spaces:

1. For equipment located in non-conditioned spaces, provide additional temperature conditioning equipment to maintain the equipment temperature

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C. Outdoor installations:

1. Provide conditioning equipment incorporated into the equipment to maintain the enclosures within the equipment manufacturer’s specified operating ranges.

D. Design requirements:

1. Each VFD system shall consist of all components required to meet the performance, protection, safety, testing and certification criteria of this Section.

2. The VFD system:
a. Is a fully integrated package.
b. Includes all material necessary to interconnect VFD system elements, even if shipped separately.

3. Any modifications to a standard product necessary to meet this Section shall be made only by the VFD manufacturer.

4. Each VFD shall be completely factory pre-wired, assembled and then tested as a complete package by the VFD manufacturer to ensure a properly coordinated, fully integrated drive system.

5. The VFD shall be capable of operating standard NEMA Design B motors. It is the responsibility of the VFD manufacturer to ensure that the drive will not damage motor insulation due to high carrier frequency, reflected wave, dv/dt or other drive electrical characteristics:
a. The VFD manufacturer shall furnish equipment necessary to mitigate potential damage to motor insulation.
b. Coordinate bearing protection methods with the supplier of the driven equipment.
c. Motors as specified in Section 16222 - Low Voltage Motors up to 500 hp.

E. Performance:

1. Operating envelope:
a. Speed and torque requirements:
1) Provide a variable torque or constant torque VFD as required by the driven load.
2) The VFD shall be capable of producing a variable alternating voltage/frequency output to provide continuous operation over the 40 to 110 percent (25 to 66 hertz) speed range.
b. Current requirements:
1) Provide 100 percent of rated output current on a continuous basis. 2) Variable torque VFD:
a) Minimum 110 percent current overload for 1 minute.
3) Constant torque VFD:
a) Minimum 150 percent current overload for 1 minute.

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2. Harmonics:
a. The VFD shall meet the following distortion limits at 2 percent line voltage unbalance measured at the input terminals of the VFD:
1) Voltage harmonics: The maximum allowable total harmonic distortion, THD, for each VFD shall not exceed 5 percent. 2) Current harmonics: The maximum allowable total harmonic current distortion limit, TDD, for each VFD shall not exceed 5 percent as measured at the input terminals of the VFD system.

3. Efficiency:
a. VFD system minimum efficiency shall be 93 percent at rated kilowatt output of the VFD. VFD system efficiency shall be calculated as follows:

Efficiency (%) = Power (Load) X 100 Power (Supply)
b. Power:
1) Load power is the total 3-phase power measured at the output terminals of the drive system, including the output filter. 2) Supply power is the total power measured at the input terminals of the VFD including phase shifting transformer or active front end components and auxiliary equipment (e.g., controls, fans) for complete system operation.

4. Total power factor:
a. Minimum of 0.96 lagging across the entire speed range. b. Under no operating conditions shall the VFD have a leading power factor.

5. Frequency accuracy:
a. Minimum of within 0.01 percent.

6. Speed regulation:
a. Minimum of within 0.5 percent across the entire speed range.

7. Capable of working with all available power sources (utility and on-site generation) and with all new and existing VFDs.

2.03 MANUFACTURERS
A. One of the following or equal:

1. ABB ACS880-3x (ULH Drive)

2.04 MATERIALS (NOT USED)

2.05 MANUFACTURED UNITS (NOT USED)

2.06 EQUIPMENT
A. General:

1. Sinusoidal pulse width modulated, (PWM), voltage source type drive shall consist of the following:
a. Rectifier section.
b. Direct current link with capacitors.
c. Insulated gate bipolar transistor (IGBT), inverter section. d. Microprocessor based controls.
e. Output filter.

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2. Rectifier section:
a. Active front end rectifier (non-regenerative) – Ultra-low Harmonics:
1) IGBT based converter module:
a) Six IGBTs minimum.
2) Inductor/capacitor/inductor, LCL, harmonic filter:
a) Low pass filter.
b) Installed within same enclosure as VFD.

B. Ratings:

1. Voltage:
a. Input voltage: 480 Volts plus or minus 10 percent, 3-phase, 3-wire, 60 hertz.
b. Solidly grounded.

2. Short-circuit rating:
a. 65 kA RMS symmetrical.

C. Operational features:

1. Protective features:
a. Annunciated at the keypad and available via network connection. b. Include the following protective features:
1) Motor overload protection.
2) Instantaneous overcurrent.
3) Instantaneous overvoltage.
4) Undervoltage.
5) Power unit overtemperature.
6) Phase loss.
7) VFD output short circuit.
8) VFD output ground fault.
9) Blown fuse with blown fuse indication.
10) IGBT protection.
11) Cooling fan failure.
12) Component failure.
13) Motor overtemperature protection:
a) Winding and bearing temperature:
(1) From 100 ohm, platinum RTDS.
(2) Quantity as specified in Section 16222 - Low Voltage Motors up to 500 hp and the driven equipment specification or as indicated on the Drawings.

2. Control mode:
a. The VFD shall operate in either a constant volts/hertz or sensorless vector mode. Selectable using the programming keypad.

3. Frequency control:
a. Minimum of 3 selectable skip frequencies with adjustable bandwidths. b. Programmable minimum frequency.
c. Programmable maximum frequency.

4. Acceleration/Deceleration:
a. Separately adjustable acceleration and deceleration rates. b. Each rate shall be adjustable from 0.01 to 1,800 seconds.

5. Spinning load:
a. Capable of determining the speed and direction of a spinning load, “catch” the load and accelerate or decelerate it without damage to the load.

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6. Programmable loss of signal:
a. Upon loss of reference speed signal the VFD shall be programmable to either stop, maintain current speed, or default to preselected speed.

7. Power interrupt ride through:
a. Capable of continuous operation in the event of a power loss of 5 cycles or less.

8. Hardwired inputs and outputs:
a. Manufacturer’s standard number the following:
1) Analog inputs:
a) Configurable as either 0 to 10 volts or 4 to 20 milliamperes. 2) Analog outputs:
a) Programmable 4 to 20 milliamperes isolated.
3) Discrete inputs:
a) Programmable.
4) Discrete outputs:
a) Programmable.
b) Form C relay contacts.
5) Potentiometer 3-wire input.
b. Provide additional inputs and outputs as required to meet the control functions indicated on the Drawings.

9. Communications:
a. Provide each VFD with a EtherNet/IP communications interface module. b. The use of gateways is not acceptable.

10. Real-time clock:
a. Capable of providing time-stamped events.
b. Set locally or via a remote controller.
c. Programmable for day, month, year, local time zones in hours, minutes and seconds.

11. Diagnostics:
a. Minimum of 4 fault conditions in memory on a first in-first out basis. b. Time stamped.
c. Operating frequency, drive status and power mode shall also be stored at the time of the fault.
d. Fault memory shall be maintained in the event of a power outage. e. The fault memory shall be accessible via Ethernet/IP.

12. Automatic restart:
a. User selectable, automatic restart feature allowing the VFD to restart following a momentary power failure or other VFD fault:
1) Programmable for up to 9 automatic restart attempts with an adjustable time delay between restart attempts.

2.07 COMPONENTS
A. Enclosure:

1. NEMA Type 12.

2. Provide cooling devices required to maintain the VFD within the manufacturer’s specified temperature limits for the Project conditions:
a. Provide cooling device alarm.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16265 (CONFORMED) B. Power disconnect:

1. Flange mounted thermal magnetic circuit breaker:
a. Lockable in the OFF position.

C. Output filter:

1. 3 percent load reactor.

D. Keypad:

1. Furnished with a keypad for programming and control.

2. Password security to protect drive parameters.

3. Mounted on the door of the VFD.

4. Back-lit LCD with a minimum of 2 lines of a minimum of 16 characters each.

5. Programming and display features language: English.

6. Capable of displaying the following parameters:
a. Speed (percent).
b. Input current (amperes).
c. Output current (amperes).
d. Output frequency (hertz).
e. Input voltage.
f. Output voltage.
g. Total 3-phase kilowatt.
h. Kilowatt hour meter.
i. Elapsed run time meter.
j. Revolutions per minute.
k. Direct current bus voltage.

7. In addition to all keys required for programming, the keypad shall have the following:
a. Automatic/Manual selector.
b. Start pushbutton.
c. Stop pushbutton.
d. Jog pushbutton.
e. Speed increment.
f. Speed decrement.
g. Forward/Reverse selector.
h. RUN indicator.
i. PROGRAM indicator.
j. FAULT indicator.
k. DRIVE READY indicator.
l. Diagnostics.

8. Provide the VFD with the hardwired controls indicated on the Drawings.

E. Control power transformer:

1. Furnish a control power transformer mounted and wired inside the drive enclosure:
a. Primary and secondary fusing.

2. Size the transformer to supply power to all VFD controls and options as well as any external devices indicated on the Drawings including the motor winding heater.

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2.08 ACCESSORIES
A. Surge protection:

1. Metal oxide varistors:
a. Provide protection for the VFD against:
1) Line transients: 5,000-volt peak minimum.
2) Line to ground transients: 7,000-volt peak minimum.

B. Conformal coating:

1. Provide conformal coating material applied to electronic circuitry and printed circuit boards to act as protection against moisture, dust, temperature extremes, and chemicals such as H2S and chlorine.

C. Air filters:

1. Mounted on the outside of the VFD enclosure:
a. Replaceable without requiring that the VFD be turned off or the door opened.

2. Located on the front or top of the VFD enclosure:
a. Side or rear mounted air filters are not acceptable.

2.09 FABRICATION (NOT USED)

2.10 FINISHES
A. Enclosure finish shall be manufacturer’s standard gray.

PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION
A. Anchoring and bracing to structures:

1. Prepare equipment anchor setting template(s) and use to position anchors during construction of supporting structure(s).

2. Install anchors of type and material indicated on approved anchoring designs.

3. Install anchors with embedment indicated on approved anchoring designs.

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details.

B. General:

1. Furnish all cables, conduit, lugs, bolts, and other accessories needed to complete installation of the VFD (free-standing or within motor control center).

2. Assemble and install the VFD in the locations and with the layouts indicated on the Drawings.

3. Perform Work in accordance with the manufacturer’s instructions and shop drawings.

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4. Furnish components, and equipment as required to complete the installation.

5. Replace any hardware lost or damaged during the installation or handling to provide a complete installation.

6. Install free-standing enclosures on a raised concrete housekeeping pad:
a. Provide structural leveling channels in accordance with the manufacturer’s recommendations to provide proper alignment of the units. b. Weld and/or bolt the VFD frame to the leveling channels.

7. Provide openings in top or bottom of the VFD (free-standing or within motor control center) enclosure for conduit only, no additional openings will be allowed:
a. Improperly cut holes will require that the entire panel be replaced:
1) No hole closers or patches will be allowed.

8. Bundle circuits together and terminate in each unit:
a. Tie with nylon wire ties. As specified in Section 16123 - 600-Volt or Less Wires and Cables.
b. Label all wires at each end with wire numbers shown on the approved Control Drawings.
c. All connections to and from the VFD (free-standing or within motor control center) enclosure must be made via terminal blocks.

3.04 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Installation Verification:

1. Furnish Manufacturer’s Certificate of Installation Verification.

C. Functional Testing:

1. As specified in Section 16950 - Field Electrical Acceptance Tests.

D. Owner Training:

1. Perform Owner training as specified in Section 01756 - Commissioning.

2. Topics:
a. Operation topics limited to:
1) Auto/Manual Control of VFD’s.
b. Maintenance topics limited to:
1) Auto/Manual Control of VFD’s.
2) Troubleshooting VFD’s.

3. Number of sessions:
a. Operations: 1 Session – 1 Hour.
b. Maintenance: 1 Session – 2 Hours.

3.05 FIELD QUALITY CONTROL
A. As specified in Section 16050 - Common Work Results for Electrical.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16265 (CONFORMED) B. Provide the services of a VFD manufacturer representative for start-up assistance and training:

1. Inspection and field adjustment:
a. Supervise the equipment installation and confirm controls have been properly installed, aligned, adjusted, and readied for operation. b. Configure AFE drives for all new and existing sources (utility sources and on-site generation in possible operating configurations).

2. Start-up field testing:
a. Provide technical direction for testing, checkout, and startup of the VFD equipment in the field.
b. Under no circumstances are any portions of the drive system to be energized without authorization from the manufacturer's representative. c. Compliance with the following specified parameters shall be verified by the VFD manufacturer:
1) Motor terminal voltage:
a) Make field measurements at the motor connection box. b) Make measurements of the full speed range of the VFD. c) Make measurements with a recording type oscilloscope. 2) Harmonics:
a) Make field measurements at the input terminals of the VFD with and without the VFD in operation.
b) Harmonic testing shall include utility power as well as generator standby power.
c) Make measurements with a recording type harmonic analyzer displaying individual and total harmonic currents and voltages:
(1) Record currents and voltages for a minimum of 10 minutes. (2) Analyzers using snapshots are not acceptable.
d. All utility sources and on-site generation shall be operational for start-up field testing.

3.06 ADJUSTING
A. Make all adjustments as necessary and recommended by the manufacturer, Engineer, or testing firm.

B. Provide the services of a VFD manufacturer factory technician to make all drive parameter and protective device settings:

1. Protective device settings provided by the VFD manufacturer in accordance with the manufacturer of the driven equipment requirements.

2. Provide documentation of VFD settings included but not limited to:
a. Minimum speed.
b. Maximum speed.
c. Skip speeds.
d. Current limit.
e. Acceleration time.
f. Deceleration time.
g. Carrier frequency.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16265 (CONFORMED) C. Programming:

1. Manufacturer/supplier may contract with the project Programmer for portions of the tasks below.

2. Provide network communication card between the drive to the Owner's control system as required.

3. Provide all control logic as indicated in the control descriptions.

4. Configure all network communications with applicable security settings, IP addresses and any other addressing tables required to provide a fully functioning system.

5. Coordinate all IP addresses with the Owner.

6. Coordinate data exchange approach for efficient communications to the Owner's control and maintenance systems. This effort will include a coordination meeting to discuss the data exchange approach including formatting and mapping.

END OF SECTION

Dry-Type Transformers
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DRY-TYPE TRANSFORMERS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Enclosed dry-type transformers:
a. Rated 1 to 1,000 kilovolt-amperes, single and 3-phase. b. Primary voltage 600 volts and below.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Institute of Electrical and Electronics Engineers (IEEE):

1. 389 - IEEE Recommended Practice for Testing Electronics Transformers and Inductors.

2. C57.12.01 - IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin Encapsulated Windings.

3. C57.96 - IEEE Guide for Loading Dry-Type Distribution and Power Transformers.

C. Underwriters Laboratory (UL):

1. 1561 - Standard for Dry-Type General Purpose and Power Transformers.

D. U.S. Department of Energy (DOE):

1. 10 CFR Part 431 - Energy Efficiency Program for Certain Commercial and Industrial Equipment.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTIONS
A. Provide 3-phase or 1-phase, 60 hertz dry-type with voltage ratings, kilovolt-ampere capacities, and connections as indicated on the Drawings:

1. Transformers shall provide full capacity at the Project elevation and environmental conditions as specified in Section 01850 - Design Criteria after all derating factors have been applied.

2. Suitable for continuous operation at full rating with normal life expectancy in accordance with IEEE C57.96.

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1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Catalog cutsheets.

2. Nameplate data.

3. Dimensions:
a. Height.
b. Width.
c. Depth.

4. Inrush current.

5. Insulation system and temperature constraints.

6. Number and rating of taps.

7. Sound levels.

8. Connection diagrams:
a. Primary.
b. Secondary.

9. BIL rating.

10. Required clearances.

11. Percent impedance.

12. Efficiency.

13. Certification of full capacity capability at the Project elevation and ambient conditions.

14. For equipment installed in structures designated as seismic design category C, D, E, or F submit the following as specified in Section01610 - Design Criteria:
a. Manufacturer’s statement of seismic qualification with substantiating test data.
b. Manufacturer’s special seismic certification with substantiating test data.

C. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. For equipment installed in structures designated as seismic design category A or B:
a. Provide manufacturer’s installation instructions and anchoring details for connecting equipment to supports and structures.

3. For equipment installed in structures designated as seismic design category C, D, E, or F:
a. Provide project-specific installation instructions and anchoring details based on support conditions and requirements to resist seismic and wind loads as specified in Section 01850 - Design Criteria.
b. Submit anchoring drawings with supporting calculations. c. Drawings and calculations shall be stamped by a professional engineer registered in the state where the Project is being constructed.

1.06 QUALITY ASSURANCE (NOT USED)

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

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1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. GE by ABB.

2. Jefferson.

3. Schneider Electric.

4. Eaton.

5. ABB.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS
A. Cores:

1. Non-aging, grain-oriented silicon steel.

2. Magnetic flux densities below the saturation point.

B. Windings:

1. High-grade magnet wire.

2. Impregnated assembly with non-hydroscopic, thermo-setting varnish:
a. Cured to reduce hot-spots and seal out moisture.

3. Material electrical grade:
a. Copper.

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. General:

1. 10 kilovolts BIL for 600-volt class windings.

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2. Sound levels, in accordance with IEEE 389 test conditions, not to exceed:

Kilovolt-Amperes Range Audible Sound Level (db)
1-9 40
10-50 45
51-150 50
151-300 55
301-500 60
501-700 62
701-1000 64

3. Taps:
a. 15 kilovolt-amperes and less:
1) Two 5 percent full capacity primary taps below rated voltage. b. 25 kilovolt-amperes and larger:
1) Four 2.5 percent full capacity primary taps below rated voltage. 2) Two 2.5 percent full capacity primary taps above rated voltage. c. Operated by a tap changer handle or tap jumpers accessible through a panel.

4. Terminals:
a. UL listed for either copper or aluminum conductors.
b. Rated for 75 degrees Celsius.

5. Daily overload capacities, at rated voltage and without reduction in life, in accordance with IEEE C57.96.

B. Transformers less than 15 kilovolt-amperes:

1. Insulation class: 185 degrees Celsius.

2. Temperature rise: 115 degrees Celsius.

C. Energy efficient transformers 15 kilovolt-amperes and larger:

1. Insulation class: 220 degrees Celsius.

2. Temperature rise: 80 degrees Celsius, except as noted below:
a. 150-degree Celsius rise for dry-type transformers located in motor control centers.

3. Efficiency:
a. In accordance with DOE 10 CFR Part 431.

D. Enclosures:

1. Heavy gauge steel:
a. Outdoor: Moisture and water resistant with rodent screens over all openings and in a weather-protected enclosure, NEMA Type 3R. b. Indoor: NEMA Type 2.

2. Louvers to limit coil temperature rise to the value stated above, and case temperature rise to 50 degrees Celsius.

3. Built-in vibration dampeners to isolate the core and coils from the enclosure:
a. Neoprene vibration pads and sleeves.

2.06 COMPONENTS (NOT USED)

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2.07 ACCESSORIES
A. Nameplates:

1. Non-corrosive metal or UL listed non-metallic:
a. Stamped, engraved or printed with the following information:
1) Phases.
2) Frequency.
3) Kilovolt-ampere rating.
4) Voltage ratings.
5) Temperature rise.
6) Impedance.
7) Insulation class.
8) BIL rating.
9) Connection diagram.
10) Weight.
11) Manufacturer.
12) The identification “transformer”.
13) Classes of cooling.
14) Tap voltage(s).
15) Vector diagram.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES
A. Finish to consist of de-greasing, phosphate cleaning, and an electrodeposited manufacturer’s standard gray enamel rust-inhibiting paint.

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details to meet the seismic and wind load requirements at the Project site.

B. General:

1. Mounted as indicated on the Drawings.

2. Install where not in direct contact with building structure.

3. Install on single layer vibration pad under the entire mounting surface. a. Manufacturers: The following or equal:
1) Korfund.

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4. Make any necessary connections to the enclosure with liquidtight flexible conduit having neoprene gaskets and insulated ground bushings.

5. Ground the enclosure:
a. To an equipment ground conductor in the conduit.
b. To the facility grounding electrode system.

6. Floor mounted transformers:
a. Install transformers on a housekeeping pads.
b. Install transformers with adequate space from walls or other enclosures for proper ventilation in accordance with the manufacturer’s recommendations.

3.04 ERECTION, INSTALLATION, APPLICATIONS, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Factory tests:

1. Applied voltage test to each winding and from each winding to the core:
a. 600-volt class winding 4.5 kilovolt.

2. Induced voltage test at 2 times normal voltage and 400 hertz for 1,080 cycles.

3. Voltage ratio and polarity.

4. Sound level, performed in a test room with ambient sound level not exceeding 24 db.

5. Perform all tests in accordance with UL 1561.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING
A. Set the transformer taps as required to obtain nominal output voltage on the secondary terminals.

3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Surge Protective Devices
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16285 (CONFORMED) SECTION 16285

SURGE PROTECTIVE DEVICES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. High-energy surge protective devices.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Institute of Electrical and Electronics Engineers (IEEE):

1. C62.41.1 - Guide on the Surge Environment in Low-Voltage (1000 V and less) AC Power Circuits.

2. C62.41.2 - Recommended Practice on Characterization of Surges in Low-Voltage (1000 V and Less) AC Power Circuits.

3. C62.45 - Recommended Practice on Surge Testing for Equipment Connected to Low-Voltage (1000 V and Less) AC Power Circuits.

4. C62.62- Standard Test Specifications for Surge Protective Devices (SPDs) for Use on the Load Side of the Service Equipment in Low Voltage (1000 V and less) AC Power Circuits.

C. National Fire Protection Agency (NFPA):

1. 20 - Standard for the Installation of Stationary Pumps for Fire Protection.

2. 75 - Standard for the Fire Protection of Information Technology Equipment.

3. 780 - Standard for the Installation of Lightning Protection Systems.

D. Underwriters Laboratory (UL):

1. 1283 - Standard for Electromagnetic Interference Filters.

2. 1449 - Standard for Surge Protective Devices.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. SPD: Surge protective device.

2. SAD: Silicon avalanche diode.

3. MOV: Metal oxide varistor.

4. MCOV: Maximum continuous operating voltage.

5. In: Nominal discharge current.

6. VPR: Voltage protection rating.

7. SCCR: Short circuit current rating.

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1.04 SYSTEM DESCRIPTION
A. Surge protection as indicated on the Drawings.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Furnish complete product data confirming detailed compliance or exception statements to all provisions of this Section.

2. Manufacturer’s catalog cutsheets indicating:
a. Manufacturer and model numbers.
b. Ratings of each SPD including but not limited to:
1) Short circuit current rating.
2) Nominal discharge current.
3) Maximum continuous operating voltage.
4) Voltage protection rating.
5) System voltage.
6) System frequency.
7) Surge current capacity.

3. Submit independent test data from a nationally recognized testing laboratory verifying the following:
a. Overcurrent protection.
b. UL 1449.

C. Shop drawings:

1. Provide electrical and mechanical drawings by the manufacturer that detail:
a. Unit dimensions.
b. Weights.
c. Components.
d. Field connection locations.
e. Mounting provisions.
f. Connection details.
g. Wiring diagram.

D. Operation and maintenance manuals:

1. Provide the manufacturer’s manual with installation, start-up, spare parts lists, and operating instructions for the specified system.

1.06 QUALITY ASSURANCE
A. Provide SPD units that are designed, manufactured, tested and installed in compliance with the following codes and standards:

1. Institute of Electrical and Electronics Engineers (IEEE C62.41.1, C62.41.2, C62.45, C62.62).

2. Federal Information Processing Standards Publication 94 (FIBS PUB 94).

3. National Electrical Manufacturers Association (NEMA).

4. National Fire Protection Association (NFPA 20, 75 and 780).

5. National Electric Code (NFPA 70).

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6. Underwriters Laboratories (UL 1449 4th Edition and UL 1283).

7. International Electrotechnical Commission (IEC 801).

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING
A. Coordinate with and provide SPD equipment to the electrical equipment manufacturer before final assembly and factory testing.

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

B. Extended warranty:

1. Furnish a manufacturer’s full 5-year parts and labor warranty from date of shipment against any part failure when installed in compliance with manufacturer's written instructions, UL listing requirements, and any applicable national, state, or local electrical codes.

2. Warranty shall include:
a. Direct, factory trained employees must be available within 48 hours for assessment of the problem.
b. A 24-hour toll-free 800-number for warranty support.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER'S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. Southern Tier Technologies.

2. Eaton.

3. Schneider Electric.

4. GE by ABB.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

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2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. Provide Type 1 or Type 2 SPD units as required for the locations indicated on the Drawings.

B. Electrical requirements:

1. SPD ratings are to be consistent with the nominal system operating voltage, phase, and configuration as indicated on the Drawings.

2. MCOV:
a. For the SPD and all components in the suppression path (including all MOVs, SADs, and selenium cells): Greater than 115 percent of the nominal system operating voltage.

3. Operating frequency:
a. 47 to 63 hertz.

4. SCCR:
a. 65 kAIC minimum, but not less than the equipment it is connected to as indicated on the Drawings.
b. The SCCR shall be marked on the SPD in accordance with UL 1449 and the NEC.

5. Nominal discharge current In:
a. 20 kA.

6. Maximum VPR:

Modes 240/120 3W 208Y/120 480Y/277 480V
L-N, L-G, N-G 700 700 1,200 1,800
L-L 1,200 1,200 1,800 1,800

7. Peak surge current:
a. Service entrance locations:
1) 240 kA per phase minimum.
2) 120 kA per mode minimum.
b. Branch locations:
1) 120 kA per phase, minimum.
2) 60 kA per mode minimum.

C. Protection modes:

1. Provide SPD protection modes as follows:
a. Line to Neutral (L-N) where applicable.
b. Line to Ground (L-G).
c. Neutral to Ground (N-G), where applicable.

D. Environmental requirements:

1. Storage temperature:
a. -40 degrees to 122 degrees Fahrenheit.

2. Operating temperature:
a. 32 degrees to 140 Fahrenheit.

3. Relative humidity:
a. 5 percent to 95 percent.

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4. Audible noise:
a. Less than 45 dBa at 5 feet (1.5 m).

5. Operating altitude:
a. Zero to 12,000 feet above sea level.

E. Provide surge protective devices that are suitable for application in IEEE C62.41.1, C62.41.2 Category A, B and C3 environments, as tested to IEEE C62.45.

2.06 COMPONENTS
A. Enclosure:

1. Located in electrical equipment as indicated on the Drawings.

B. Internal connections:

1. Provide low impedance copper plates for intra-unit connections:
a. Attach surge modules using bolted connections to the plates for low impedance connections.

2. Size all connections, conductors, and terminals for the specified surge current capacity.

C. Surge diversion modules:

1. MOV:
a. Where multiple MOVs are used in parallel, utilize computer matched MOVs to within 1 volt variance and tested for manufacturer's defects.

D. Overcurrent protection:

1. Individually fuse all components, including suppression, filtering, and monitoring components:
a. Rated to allow maximum specified nominal discharge current capacity. b. Overcurrent protection that limits specified surge currents is not acceptable.

E. Connections:

1. Provide terminals to accommodate wire sizes up to No. 2 AWG.

2.07 ACCESSORIES
A. Unit status indicators:

1. Provide red and green solid-state indicators, with printed labels, on the front cover to redundantly indicate on-line unit status:
a. The absence of the green light and the presence of the red light indicate that surge protection is reduced and service is needed to restore full operation.
b. Indicates the status of protection on each mode or phase.

B. Dry contacts for remote monitoring:

1. Electrically isolated Form C dry contacts (1 A/125 VAC) for remote monitoring of system integrity, and indication of under voltage, phase and/or power loss.

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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16285 (CONFORMED) C. Provide an audible alarm which activates under any fault condition.

1. Provide an alarm On/Off switch to silence the alarm.

2. A visible LED will confirm whether alarm is On or Disabled.

3. Locate both switches and the audible alarm on the unit’s front cover.

2.08 MIXES (NOT USED)

2.09 MIXES (NOT USED)

2.10 FABRICATION (NOT USED)

2.11 FINISHES (NOT USED)

2.12 SOURCE QUALITY CONTROL
A. Permanently affix surge rating to the SPD.

B. Perform manufacturer’s standard factory test:

1. Perform testing in accordance with UL 1449.

PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Follow the manufacturer's recommended installation practices and comply with all applicable codes.

B. Special techniques:

1. Install SPDs internal to equipment with as short and straight conductors including ground conductor as practically possible:
a. Twist the input conductors together to reduce input conductor inductance.

2. Do not subject SPD to insulation resistance testing.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL
A. As specified in Section 16950 - Field Electrical Acceptance Tests.

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3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Electrical Power Monitoring
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16290 (CONFORMED) SECTION 16290

ELECTRICAL POWER MONITORING
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Power meters and accessories.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. American National Standard Institute (ANSI):

1. C12.20 - Electricity Meters - 0.2 and 0.5 Accuracy Classes.

C. Institute of Electrical and Electronics Engineers (IEEE):

1. C57.13.6 - Standard for High Accuracy Instrument Transformers.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. FS - Full Scale.

2. RDG - Of Reading.

3. SSM - Solid State Multifunction Power Meter.

4. THD - Total Harmonic Distortion.

1.04 SYSTEM DESCRIPTION (NOT USED)

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Power meter data including but not limited to:
a. Power requirements.
b. Communications protocols.
c. Input/outputs.
d. Dimensions.
e. Measurement functions.
f. Front panel controls.
g. Display characteristics.

2. Accessory data:
a. Test switch dimensions and wiring diagrams.

Electrical Power Monitoring
16290-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16290 (CONFORMED) C. Operation and maintenance manuals:

1. Descriptive and technical bulletins and sales aids edited to reflect only the equipment to be provided and covering each of the components in the system.

2. A maintenance section including all instruction leaflets and technical data necessary to setup, change setup and maintain the power meters.

3. Original licensed copies of all software and software manuals.

D. Configuration files and reports:

1. Settings including but not limited to:
a. Device tag name.
b. IP addresses.
c. Alarm settings.
d. Time synchronization settings.
e. Security settings.

2. Configuration files are to be provided in the selected manufacturer’s native format.

3. Configuration reports are to be submitted in .PDF format, listing each configured parameter setting and description of each parameter.

1.06 QUALITY ASSURANCE (NOT USED)

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER'S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. Allen-Bradley.

2. Eaton.

3. ABB.

4. Schneider Electric.

5. GE Multilin.

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2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS
A. Power meters:

1. Power meter type 2 (SSM2) device which shall include at a minimum:
a. Individual phase currents, plus or minus 0.3 percent FS. b. Phase-to-phase and phase-to-neutral voltages, plus or minus 3 percent FS.
c. Watts, VARs, VA, plus or minus 6 percent FS.
d. Watt-hours 0.6 percent FS; VAR-hours 0.6 percent FS; VA-hours

0.6 percent FS.
e. PF apparent 1 percent FS; PF displacement 1 percent FS. f. Frequency 0.17 percent FS.
g. THD:
1) Voltage - 31st harmonic.
2) Current - 31st harmonic.
h. Demand:
1) Ampere, plus or minus 0.3 percent FS.
2) Watt, VAR, VA, plus or minus 0.6 percent FS.
i. Minimum and maximum values:
1) Volts (L-L), volts (L-N), current (L), watts, VARs, VA. 2) PF (apparent and displacement).
3) Frequency.
4) THD-amps, THD-volts.
5) Demand:
a) Ampere, watt, VAR, VA.
j. Trend analysis:
1) 2 selectable parameters.
k. Other features:
1) 3 form C relays, rated 10 amps.
l. Synch-input kilowatt utility.
m. Graphic LCD with LED backlight:
1) Seven lines, 147 characters.
n. Ethernet connection:
1) Provide EtherNet/IP communication.

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2.07 ACCESSORIES
A. Current transformers:

1. Ring type current transformers:
a. Suitable for service within low or medium voltage equipment as indicated on the Drawings.
b. Designed to have a mechanical and thermal rating to withstand short-circuit current, stresses, and heating effects equal to the rating of the equipment of the application.

2. Current ratio: As indicated on the Drawings.

3. Rated in accordance with IEEE C57.13.6 with accuracy of the current transformers suitable for relay accuracy class and rated for 200 percent burden for the required connected devices.

4. Identify polarity with standard marking or symbols.

5. Capable of carrying rated primary current continuously without damage.

6. Install secondary wiring from current transformers in a suitable wiring trough, or conduit to proper short-circuiting type terminal blocks for connection to relays, instruments, and other devices.

B. Test switches:

1. Ten pole.
a. 3 potential poles, for phase voltage.
1) 600V rated.
b. Four 30A, non-shorting current poles, for neutral current and let-thru phase currents.
c. Three 30A, shorting current poles, for shorting phase currents.

2. Base to be made of electrical grade plastic.

3. Barriers between poles for pole isolation and separation.

4. Clear cover encapsulating the test switch to enable visual verification of each switch position.

5. Knife-blade type switches, accepting a horizontal gang interlocking bar.

6. Screw type terminals on each switch.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install power meters in the electrical equipment as indicated on the Drawings.

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3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING (NOT USED)

3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Electrical System Studies
16305-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) SECTION 16305

ELECTRICAL SYSTEM STUDIES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Short-circuit fault analysis study.

2. Protective device coordination study.

3. Arc-flash hazard study.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Institute of Electrical and Electronics Engineers (IEEE):

1. 1584 - IEEE Guide for Specification of Scope and Deliverable Requirements for an Arc-Flash Hazard Calculations Study in Accordance with IEEE Std 1584 (TM).

C. National Fire Protection Association (NFPA).

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTION
A. General study requirements:

1. Scope:
a. The short-circuit fault analysis, protective device coordination, and arc-flash hazard studies shall include all new and existing equipment in the power distribution system including, but not limited to:
1) Utility equipment.
2) All electrical equipment including:
a) Dry-type transformers.
b) Switchgears.
c) Switchboards.
d) MCCs.
e) 480-volt panelboards.
f) 240 and 208 volt panelboards.
3) Generators.
4) Motors.
5) Vendor control panels.
6) HVAC equipment.

Electrical System Studies
16305-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) b. Study scenarios:
1) The studies shall include all possible electrical system configurations, for example:
a) Operation on normal (utility) source.
b) Operation on generator source.
c) Parallel operation on normal and generator sources.
d) A side feeder breaker close, and B side feeder breaker open for gears with A and B feeder configuration (only for WWTP). e) A side feeder breaker open, and B side feeder breaker close for gears with A and B feeder configuration (only for WWTP). f) Obtain, for all equipment, the required data for preparation of the study including, but not limited to:
c. Transformer kilovolt-ampere (kVA) and impedances.
d. Generator impedances.
e. Generator decrement curves.
f. Bus withstand ratings.
g. Cable and bus data.
h. Protective device taps, time dials, instantaneous pickups, and time-delay settings.
i. As-built lengths for all new wire and cable installations covered by the studies.

2. Obtain the Electric Utility information on the minimum and maximum available fault current, minimum and maximum utility impedances, utility protective device settings including manufacturer and model number, interrupting ratings, X/R ratios, and model information one level above the point of connection:
a. Utility tolerances and voltage variations.

3. The individual performing the studies shall visit the site and collect all necessary field data in order to perform and complete comprehensive electrical system studies.

4. Obtain equipment layouts and configurations from the manufacturer’s final submittal requirements and project layout drawings as required.

5. Bus and conductor data:
a. Use impedances of the actual installed or specified conductors, unless otherwise indicated.
b. Use cable and bus impedances calculated at 25 degrees Celsius, unless otherwise indicated.
c. Use 600-volt cable reactance based on typical dimensions of actual installed or specified conductors, unless otherwise indicated. d. Use bus withstand values for all equipment having buses. e. Use medium-voltage cable reactance based on typical dimensions of shielded cables with 133-percent insulation levels, unless otherwise indicated.

6. Motors:
a. Each motor shall be individually modeled:
1) Grouping of motors for fault contribution current is not acceptable. b. Motors with variable frequency drives (VFDs) may be assumed to have no contribution to fault current, unless VFDs are equipped with Bypass Contactors.
1) If VFDs are equipped with bypass contactors, perform the fault current and arc flash study assuming all of bypass contactors are in the closed position.

Electrical System Studies
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7. Use the equipment, bus, and device designations as indicated on the Drawings for all studies.

8. Studies shall include, but not be limited to, all equipment and connections shown on Contract Drawing:
a. 03E01: WTP MODIFIED OVERALL ONE-LINE DIAGRAM.
b. 03E06: SWBD70281 AND SWBD70282 ONE-LINE DIAGRAM.

B. Short-circuit fault analysis study additional requirements:

1. The short-circuit fault analysis shall be performed and submitted in 2 phases:
a. Initial short-circuit fault analysis:
1) Based on the Contract Documents and Electric Utility information. 2) The initial short-circuit fault analysis study shall indicate the estimated available short-circuit current at the line side terminals of each piece of equipment covered by the scope of the study. a) Measure conductor lengths from the Drawings. Use of arbitrary short conductor lengths is not allowed.
3) Provide a list of assumptions used in the initial study. b. Final short-circuit fault analysis:
1) The final short-circuit fault analysis shall modify the initial analysis as follows:
a) Utilize the actual equipment provided on the project. b) Utilize conductor lengths based on installation.

2. Calculate 3-phase bolted fault, line-to-line fault, line-to-ground fault, double line-to-ground fault, short-circuit 1/2 cycle momentary symmetrical and asymmetrical RMS, 1-1/2 to 4 cycle interrupting symmetrical RMS, and 30-cycle steady-state short-circuit current values at each piece of equipment in the distribution system.

3. Evaluate bus bracing, short-circuit ratings, fuse interrupting capacity and circuit-breaker-adjusted interrupting capacities against the fault currents, and calculate X/R values:
a. Identify and document all devices and equipment as either inadequate or acceptable.

4. Calculate line-to-ground and double line-to-ground momentary short-circuit values at all buses having ground-fault devices.

5. Provide calculation methods, assumptions, one-line diagrams, and source impedance data, including utility X/R ratios, typical values, recommendations, and areas of concern.

C. Protective device coordination study additional requirements:

1. Furnish protective device settings for all functions indicated on the Drawings including, but not limited to:
a. Current.
b. Voltage:
1) Provide settings for all voltage relays based upon actual utility and generator tolerances and specifications.
c. Frequency:
1) Provide settings for all frequency relays based upon actual utility and generator tolerances and specifications.
d. Negative sequence.
e. Reverse power.

Electrical System Studies
16305-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) f. Machine protection functions:
1) Provide settings for all motor and generator protective relays based on the manufacturer’s recommended protection requirements.

2. Provide log-log form time-current curves (TCCs) graphically indicating the coordination proposed for the system:
a. Include with each TCC a complete title and one-line diagram with legend identifying the specific portion of the system covered by the particular TCC:
1) Typical TCCs for identical portions of the system, such as motor circuits, are acceptable as allowed by the Engineer.
b. Include a detailed description of each protective device identifying its type, function, manufacturer, and time-current characteristics:
1) These details can be included on the TCC.
c. Include a detailed description of each protective device tap, time dial, pickup, instantaneous, and time delay settings:
1) These details can be included on the TCC.

3. TCCs shall include all equipment in the power distribution system where required to demonstrate coordination. Include utility relay and fuse characteristics, medium-voltage equipment protective relay and fuse characteristics, low-voltage equipment circuit breaker trip device characteristics, transformer characteristics, motor and generator characteristics, and characteristics of other system load protective devices:
a. Include all devices down to the largest branch circuit and largest feeder circuit breaker in each motor control center, main breaker in branch panelboards, and fused disconnect switches.
b. Provide ground fault TCCs with all adjustable settings for ground fault protective devices.
c. Include manufacturing tolerances and damage bands in plotted fuse and circuit breaker characteristics.
d. On the TCCs, show transformer full load currents, transformer magnetizing inrush, ANSI transformer withstand parameters, and transformer damage curves.
e. Cable damage curves.
f. Terminate device characteristic curves at a point reflecting the maximum symmetrical or asymmetrical fault current to which the device is exposed based on the short-circuit fault analysis study.
g. Coordinate time interval medium-voltage relay characteristics with upstream and downstream devices to avoid nuisance tripping.

4. Site generation: When site generation (including cogeneration, standby, and emergency generators) is part of the electrical system, include phase and ground coordination of the generator protective devices:
a. Show the generator decrement curve and damage curve along with the operating characteristic of the protective devices.

5. Suggest modifications or additions to equipment rating or settings in a tabulated form.

D. Arc-flash hazard study additional requirements:

1. Include the calculated arc-flash boundary and incident energy (calories/square centimeter) at each piece of equipment in the distribution system:
a. Perform study with 15 percent arcing fault variation as defined by IEEE 1584.

Electrical System Studies
16305-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) b. Perform arc-flash calculations at minimum and maximum utility and generator fault contributions.
c. Perform arc-flash calculations for both the line side and load side of the switchgear, switchboard, motor control center, and panelboard main breakers.
d. Perform arc-flash calculations for all short-circuit scenarios with all motors on for 3 to 5 cycles and with all motors off.

2. Provide executive summary of the study results:
a. Provide summary based upon worst case results.

3. Provide a detailed written discussion and explanation of the tabulated outputs:
a. Include all scenarios.

4. Provide alternative device settings to allow the Owner to select the desired functionality of the system:
a. Minimize the arc-flash energy by selective trip and time settings for equipment maintenance purposes.
b. Identify the arc-flash energy based upon the criteria of maintaining coordination and selectivity of the protective devices.

E. Electrical system study meetings:

1. The individual conducting the short-circuit fault analysis, protective device coordination, and the arc-flash hazard studies shall meet with the Owner and Engineer 3 times.

2. The purpose of the 3 meetings is as follows:
a. Initial meeting:
1) Meet with the Owner and Engineer to discuss the scope of the studies.
a) Confirm assumptions to be used in the electrical system study with the Owner including but not limited to:
(1) Maximum protective device fault clearing time.
2) Discuss the Owner’s operational requirements for both normal operation and maintenance.
b. Preliminary results meeting:
1) This meeting will be held after the studies have been completed, reviewed, and accepted by the Engineer.
2) The purpose of this meeting is to inform the Owner of the results of the study and impacts on normal operation and maintenance including:
a) Protective device coordination problems and recommended solutions.
b) Explanation of the arc-flash hazard study results and its potential impact on operations.
c) Recommendations for reduction of arc-flash category levels including reduction of protective device settings or changes in operational practices.
c. Final meeting:
1) Discuss changes to the studies based on the previous meeting. 2) Discuss with the Owner how changes to the electrical system may change the arc-flash hazard category.
d. Deliver the final report after substantial completion.

Electrical System Studies
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3. The meetings will be at the Owner’s facility:
a. Provide a minimum of 3-weeks’ notice to the Owner and Engineer in advance of the projected meeting date.
b. Submit a draft of the meeting agenda when each meeting is requested.

4. Meeting materials:
a. Prepare and provide the following materials:
1) Meeting agenda. Include, at a minimum, the scope of the meeting, estimated time length for the meeting, and meeting goals. 2) 6 copies of the project one-line diagrams for the initial meeting. 3) 6 copies of the submitted studies.

F. Owner training:

1. Training shall include, but is not limited to:
a. Introduction and basics of NFPA 70E: At least 1 hour. b. Detailed review of the electrical system study for at least 2 hours. c. Questions and Answers period: 0.5 hours.

G. By virtue of the fact that this is a professional study, the Owner reserves the right to modify the requirements of the study to comply with its operational requirements.

The protective device coordination study and the arc-flash hazard study shall be modified based on the results of the meetings with the Owner.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Initial studies and reports:

1. Include the following in the initial short-circuit current report:
a. List of all devices included in the studies.
b. A description of all operating scenarios.
c. Form and format of arc-flash labels.

C. Final studies and reports:

1. Format and quantity:
a. Provide 6 bound copies of all final reports.
b. Provide 3 complete sets of electronic files on CD or DVD media, including the electrical system model(s), configuration files, custom libraries, and any other files used to perform the studies and produce the reports. Also provide an electronic version of the bound reports in PDF format. c. Provide the number of copies specified in Section 01330 - Submittal Procedures.

2. Include the sections below in the final report:
a. Copies of correspondence and data obtained from the electric utility company.
b. Letter certifying the inspection and verification of existing equipment. c. One-line diagrams:
1) The following information shall be included at a minimum:
a) Motor horsepower.
b) Transformer data:
(1) kVA.
(2) Configuration.

Electrical System Studies
16305-7 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) c) Cable data:
(1) Insulation.
(2) Size.
(3) Length.
2) One-line diagrams shall be fully legible at 11-inch by 17-inch size. d. Include in the short-circuit fault analysis study:
1) Descriptions, purpose, basis, assumptions, recommendations, and scope of the study.
2) Normal system connections and those that result in maximum fault conditions.
3) Tabulation of circuit breaker, fuse, and other protective device ratings compared to maximum calculated short-circuit duties.
4) Fault current calculations for the cases run including a definition of terms and guide for interpretation of computer software printouts. e. Protective device coordination study shall include:
1) Descriptions, purpose, basis, assumptions, recommendations, and scope of the study.
2) List all requirements used in the selection and setting criteria for any protective devices.
3) Manufacturer’s time-current curves for circuit breakers, fuses, motor circuit protectors, and other protective devices for all new equipment. 4) TCCs graphically indicating the coordination proposed for the system on log-log graphs:
a) All TCCs shall be in color.
5) Tabulation of relay, fuse, circuit breaker, and other protective devices in graphical form with a one-line diagram to display area coordination.
6) Where coordination could not be achieved, an explanation shall be included in the report to support the statement along with recommendations to improve coordination. Recommended
equipment modifications or settings shall be in a tabulated form. f. Include in the arc-flash hazard study:
1) Descriptions, purpose, basis, assumptions, recommendations, and scope of the study.
2) Normal system connections and those that result in maximum arc-flash conditions.
3) Arc-flash raw data, calculations, and assumptions.
4) Arc-flash label data:
a) Identifying the content of each label.
b) Identifying the location of each label.

D. Certification:

1. Submit written certification, sealed and signed by the professional engineer conducting the study, equipment supplier, and electrical subcontractor stating that the data used in the study is correct.

E. Submit the credentials of the individual(s) performing the study and the individual in responsible charge of the study.

F. The Engineer will review all studies and reports. After review, the Engineer will make recommendations and/or require changes to be made to the short-circuit fault

Electrical System Studies
16305-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) analysis, protective device coordination, or arc-flash hazard studies. These changes shall be provided as part of the scope of work.

G. Submit course outline for Owner’s training.

1.06 QUALITY ASSURANCE
A. Qualifications of the entity responsible for electrical system studies:

1. The studies shall be performed, stamped, and signed by a professional engineer registered in the state where the project is located.

2. A minimum of 5 years of experience in power system analysis is required for the individual in responsible charge of the studies.

3. The short-circuit fault analysis, protective device coordination, and arc-flash hazard studies shall be performed with the aid of a digital computer program:
a. Point-to-point calculations are not acceptable.

B. The study shall be performed by an independent firm

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT/SITE CONDITIONS (NOT USED)

1.09 SEQUENCING
A. Below is an outline of the typical work sequence. Proposed changes to the work sequence may be reviewed and approved by the Engineer.

1. Site visit to gather data on the existing facility systems for all studies:
a. Make multiple trips as required to obtain all data for the short-circuit fault analysis, protection device coordination, and arc flash hazard studies.

2. Initial electrical system study meeting.

3. Submit the initial short-circuit fault analysis study before submittal of any electrical equipment.
a. Only the initial short-circuit results will be reviewed.

4. Submit the preliminary short-circuit fault analysis, protective device coordination, and arc-flash hazard studies after the approval of all electrical equipment.

5. Second electrical system study meeting for preliminary results.

6. Update the model with all changes to the electrical system made during start-up and commissioning.

7. Final arc-flash meeting and final short-circuit fault analysis, protective device coordination, and arc-flash hazard studies.

8. Submit the final electrical system studies.

9. Label equipment with approved arc-flash labels.

10. Owner’s training.

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY (NOT USED)

1.12 SYSTEM START-UP (NOT USED)

Electrical System Studies
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1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Electrical system study software: One of the following or equal:

1. Operation Technology, Inc., ETAP.

2. SKM Systems Analysis, Powertools.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS
A. Arc-flash hazard labels:

1. Dimensions:
a. Minimum 5 inches by 3.5 inches.

2. Materials:
a. Polyester with polyvinyl polymer over-laminate.
b. Self-adhesive.
c. Resistant to:
1) UV.
2) Chemicals and common cleaning solvents.
3) Scuffing.
4) Wide temperature changes.

3. Contents:
a. Short-circuit bus identification.
b. Calculated incident energy (calories/square centimeter) range:
1) Based on worst-case study results.
c. Site specific personnel protective equipment level number. d. Arc-flash protection boundary.
e. Shock hazard boundary:
1) The Contractor may provide separate labels for indication of the shock hazard boundary.
f. Fed from:
1) Identify the tag number of the upstream equipment providing power.

4. Color scheme:
a. For locations above 40 calories/square centimeter:
1) White label with red “DANGER” strip across the top.
2) Black lettering.

Electrical System Studies
16305-10 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16305 (CONFORMED) b. For locations below 40 calories/square centimeter:
1) White label with orange “WARNING” strip across the top. 2) Black lettering.

2.07 ACCESSORIES (NOT USED)

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. After review and acceptance of the arc-flash hazard study by the Engineer, install all arc-flash hazard labels:

1. Install labels at all locations required by NFPA, ANSI, or IEEE standards.

2. At a minimum, install labels in the following locations:
a. The front of each main or incoming service compartment. b. The front of each low-voltage switchgear section.
c. The front of each accessible auxiliary or conductor compartment. d. Each accessible rear or side vertical section.
e. Each motor control center vertical section.
f. Each panelboard covered by the study.
g. Each control panel, individual starter or VFD, or other equipment covered by the scope of the study.

B. After review and acceptance of the draft arc-flash hazard study and protective device coordination study by the Engineer, adjust protective device settings per final study prior to equipment energization.

1. Devices that require power for configuration may be set during energization, but before any subfed loads are energized.

2. Ensure that settings for upstream equipment are set prior to energizing downstream devices.

3.04 ERECTION, INSTALLATION, APPLICATION, AND CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

Electrical System Studies
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3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL
A. The individual performing the arc-flash hazard study shall direct the installation of the arc-flash hazard labels:

1. Remove and replace any improperly applied labels.

2. Repair the equipment finish damaged by removal of any label.

3. Install labels level or plumb across the entire dimension of the label.

3.09 ADJUSTING (NOT USED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Disconnect Switches
16411-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16411 (CONFORMED) SECTION 16411

DISCONNECT SWITCHES
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Fusible and non-fusible disconnect switches.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. National Electric Manufacturer’s Association (NEMA):

1. KS 1-2001 - Enclosed and Miscellaneous Distribution Equipment Switches (600 Volts Maximum).

C. Underwriters Laboratories Inc. (UL):

1. 20 - General-Use Snap Switches.

2. 98 - Enclosed and Dead-Front Switches.

3. 508 - Standard for Industrial Control Equipment.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Specific definitions:

1. Safety switches and disconnect switches are to be considered synonymous.

1.04 SYSTEM DESCRIPTION
A. Provide heavy-duty type disconnect switches as indicated on the Drawings and specified in the Contract Documents.

B. Provide disconnect switches with the number of poles, voltage, current, short circuit, and horsepower ratings as required by the load and the power system.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Manufacturer.

2. Manufacturer's specifications and description.

3. Ratings:
a. Voltage.
b. Current.

Disconnect Switches
16411-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16411 (CONFORMED) c. Horsepower.
d. Short circuit rating.

4. Fused or non-fused.

5. NEMA enclosure type.

6. Dimensions:
a. Height.
b. Width.
c. Depth.

7. Weight.

8. Cross-referenced to the disconnect schedule indicated on the Drawings.

C. Shop drawings:

1. Manufacturer's installation instructions:
a. Indicate application conditions and limitations of use stipulated by product testing agency specified under Quality Assurance, Regulatory Requirements below.
b. Include instructions for storage, handling, protection, examination, preparation, installation, and operation of product.

2. For each switch, indicate nameplate inscription, including voltage, circuit, fuse size (if applicable), and equipment served.

D. Installation instructions:

1. Provide anchorage instructions and requirement based on the seismic requirements at the Project Site as specified in Section 01850 - Design Criteria and calculations:
a. Stamped by a professional engineer registered in the state where the Project is being constructed.

1.06 QUALITY ASSURANCE
A. Regulatory requirements:

1. NEMA Type KS1 - Enclosed and Miscellaneous Distribution Switches (600 V Maximum).

2. UL 98 - Enclosed and Dead-Front Switches.

B. Disconnect switches shall be UL listed and labeled.

1.07 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING
A. Conduct the initial fault current study as specified in Section 16305 - Electrical System Studies and submit results for Engineer’s review.

B. After successful review of the initial fault current study, submit complete equipment submittal.

Disconnect Switches
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1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER'S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. Schneider Electric.

2. Eaton.

3. GE by ABB.

4. Siemens.

5. Appleton.

6. Crouse-Hinds.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. Switch mechanism:

1. Quick-make, quick-break heavy-duty operating mechanisms:
a. Provisions for padlocking the switch in the Off position. b. A minimum of 90-degree handle travel position between Off and On positions:
1) Provide handle position indicators to identify the handle position. c. Full cover interlock to prevent opening of the switch door in the On position and to prevent closing the switch mechanism with the door open:
1) With an externally operated override.

B. Switch interior:

1. Switch blades visible when the switch is Off and the cover is open.

2. Lugs:
a. Front accessible.
b. Removable.
c. UL listed for 60/75-degree Celsius copper conductors.

3. Current carrying parts completely plated to resist corrosion.

Disconnect Switches
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4. Removable arc suppressors to facilitate easy access to line side lugs.

5. Furnish equipment ground kits for every switch.

C. Fused switches:

1. Furnish with fuses as indicated on the Drawings:
a. Provide fuses as specified in Section 16494 - Low Voltage Fuses.

2. UL approved for field conversion from standard Class H fuse spacing to Class J fuse spacing:
a. Ratings 100 amperes through 600 amperes at 240 volts. b. Ratings 30 amperes through 600 amperes at 600 volts. c. Provide spring reinforced and plated fuse clips.

D. Ratings:

1. UL horsepower rated for AC or DC with the rating not less than the load served.

2. Current:
a. 30 to 1,200 amperes.

3. Voltage:
a. 250 volts AC, DC.
b. 600 volts (30 A to 200 A, 600 volts DC).

4. Poles:
a. 2, 3, 4, and 6 poles.

5. UL listed short circuit ratings:

6. Where not indicated on the Drawings, provide switches with the NEMA ratings specified in Section 16050 - Common Work Results for Electrical for the installed location.

E. Size, fusing and number poles as indicated on the Drawings or as required:

1. Provide solid neutral where indicated on the Drawings.

2.06 COMPONENTS (NOT USED)

2.07 ACCESSORIES
A. Disconnect switches to have provisions for a field installable “B” type electrical interlock for position indication as indicated on the Drawings.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)

Disconnect Switches
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3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details to meet the seismic and wind load requirements at the Project site.

B. General:

1. Use Myers hubs or bolt-on hubs for all conduit penetrations on NEMA Type 12, Type 4, and Type 4X enclosures.

2. Provide all mounting brackets, stands, supports and hardware as required:
a. Match finish and materials for all brackets, stands, and hardware with the switch installed.
b. Provide adequate supporting pillar(s) for disconnect switches in accordance with the approved seismic calculations, and locate aboveground or above decks, where there is no structural wall or surface for box.

3. When possible, mount switches rigidly to exposed building structure or equipment structural members:
a. For NEMA Type 4 and Type 4X locations, maintain a minimum of 7/8 inch air space between the enclosure and supporting surface. b. When mounting on preformed channel, position channel vertically so that water may freely run behind the enclosure.

4. Provide a nameplate for each disconnect switch:
a. Provide per requirements specified in Section 16075 - Identification for Electrical Systems.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL
A. As specified in Section 16050 - Common Work Results for Electrical.

3.09 ADJUSTING (NOT USED)

3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

Disconnect Switches
16411-6 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16411 (CONFORMED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Low Voltage Molded Case Circuit Breakers
16412-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16412 (CONFORMED) SECTION 16412

LOW VOLTAGE MOLDED CASE CIRCUIT BREAKERS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Low voltage molded case circuit breakers.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Underwriter’s Laboratories (UL):

1. 489 - Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

B. In accordance with UL 489.

1.04 SYSTEM DESCRIPTION
A. Molded case thermal magnetic, solid-state, or motor circuit protector type circuit breakers as indicated on the Drawings and connected to form a completed system.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Catalog cutsheets.

2. Manufacturer’s time-current curves for all molded case circuit breakers furnished.

1.06 QUALITY ASSURANCE
A. Low voltage molded case circuit breakers shall be UL listed and labeled.

1.07 DELIVERY, STORAGE AND HANDLING (NOT USED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

Low Voltage Molded Case Circuit Breakers
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16412 (CONFORMED)

1.09 SEQUENCING (NOT USED)

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. One of the following or equal:

1. Eaton.

2. GE by ABB.

3. Schneider Electric.

4. ABB.

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS
A. General:

1. Conforming to UL 489.

2. Operating mechanism:
a. Quick-make, quick-break, non-welding silver alloy contacts. b. Common Trip, Open and Close for multi-pole breakers such that all poles open and close simultaneously.
c. Mechanically trip free from the handle.
d. Trip indicating handle - automatically assumes a position midway between the manual ON and OFF positions to clearly indicate the circuit breaker has tripped.
e. Lockable in the "OFF" position.

3. Arc extinction:
a. In arc chutes.

4. Voltage and current ratings:
a. Minimum ratings as indicated on the Drawings.
b. Minimum frame size 100A.

Low Voltage Molded Case Circuit Breakers
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16412 (CONFORMED)

5. Interrupting ratings:
a. Minimum ratings as indicated on the Drawings.
b. Modify as required to meet requirements of the short circuit fault analysis - as specified in Section 16305 - Electrical System Studies. c. Not less than the rating of the assembly (panelboard, switchboard, motor control center, etc.).

B. Motor circuit protectors:

1. Instantaneous only circuit breaker as part of a listed combination motor controller.

2. Each pole continuously adjustable in a linear scale with ‘LO’ and ‘HI’ settings factory calibrated.

2.05 EQUIPMENT (NOT USED)

2.06 COMPONENTS
A. Terminals:

1. Line and load terminals suitable for the conductor type, size, and number of conductors in accordance with UL 489.

B. Case:

1. Molded polyester glass reinforced.

2. Ratings clearly marked.

C. Trip units:

1. Provide thermal magnetic or solid-state trip units as indicated on the Drawings.

2. Thermal magnetic:
a. Instantaneous short circuit protection.
b. Inverse time delay overload.
c. Ambient or enclosure compensated by means of a bimetallic element.

3. Solid state:
a. With the following settings as indicated on the Drawings. 1) Adjustable long time current setting.
2) Adjustable long time delay.
3) Adjustable short time pickup.
4) Adjustable short time delay.
5) Adjustable instantaneous pickup.
6) Adjustable ground fault pickup as indicated on the Drawings. 7) Adjustable ground fault delay as indicated on the Drawings.

D. Provide ground fault trip devices as indicated on the Drawings.

E. Molded case circuit breakers for use in panelboards:

1. Bolt-on type:
a. Plug-in type breakers are not acceptable.

2. Ground fault trip devices as indicated on the Drawings.

Low Voltage Molded Case Circuit Breakers
16412-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16412 (CONFORMED)

2.07 ACCESSORIES
A. Lockable handle:

1. Provide assembly to lock operating handle in ‘OPEN’ position.

2. Where a molded case circuit breaker is located in a dedicated enclosure, provide a lockable handle. Reference the Electrical Specifications for additional locking requirements associated with other mounting installations.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL
A. Test breakers in accordance with:

1. UL 489.

2. Manufacturer’s standard testing procedures.

PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install breakers to correspond to the accepted shop drawings.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 RE-INSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

3.08 FIELD QUALITY CONTROL (NOT USED)

3.09 ADJUSTING
A. Adjust trip settings in accordance with Protective Device Coordination Study as accepted by the Engineer and in accordance with manufacturer’s recommendations.

B. Adjust motor circuit protectors in accordance with NEC and the manufacturer’s recommendation based on the nameplate values of the installed motor.

Low Voltage Molded Case Circuit Breakers
16412-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16412 (CONFORMED)

3.10 CLEANING (NOT USED)

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Motor Starters
16422-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) SECTION 16422

MOTOR STARTERS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Motor starters and contactors.

1.02 REFERENCES
A. Abbreviations:

1. FVNR: Full voltage non-reversing.

2. FVR: Full voltage reversing.

3. PWS: Part winding start.

4. RVAT: Reduced voltage auto transformer.

5. RVSS: Reduced voltage solid state.

6. TS1W: 2 speed 1 winding (consequent pole).

7. TS2W: 2 speed 2 winding.

B. Definitions:

1. Overload relay class: A classification of an overload relay time current characteristic by means of a number which designates the maximum time in seconds at which it will operate when carrying a current equal to 600 percent of its current rating.

C. Standards:

1. Institute of Electrical and Electronics Engineers (IEEE).

2. International Electrotechnical Commission (IEC):
a. 801-1 - Electromagnetic Compatibility for Industrial-Process Measurement and Control Equipment - Part 1: General Information.
b. 947-4 - Low-Voltage Switchgear and Control Gear.

3. National Electrical Manufacturer's Association (NEMA):
a. 250 - Enclosures for Electrical Equipment (1000 V Maximum). ICS 2-230 - Industrial Control and Systems: Controllers, Contactors, and Overload Relays Rated 600 V.

4. Underwriters Laboratories, Inc. (UL):
a. 508 - Standard for Industrial Control Equipment.
b. 508A - Standard for Industrial Control Panels.

1.03 DELEGATED DESIGN
A. As specified in Section 01357 - Delegated Design Procedures.

B. Anchoring and bracing.

Motor Starters
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pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED)

1.04 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures:

1. Submit motor starter data with equipment submittal.

B. Product data:

1. Manufacturer.

2. Catalog cutsheets.

3. Technical information.

4. Complete nameplate schedule.

5. Complete bill of material.

6. List of recommended spare parts.

7. Confirmation that the overload relay class for each starter meets the requirements of the equipment and motor supplier.

8. Electrical ratings:
a. Phase.
b. Wire.
c. Voltage.
d. Ampacity.
e. Horsepower.

9. Furnish circuit breaker submittals as specified in Section 16412 - Low Voltage Molded Case Circuit Breakers.

C. Shop drawings:

1. Elementary and schematic diagrams:
a. Provide 1 diagram for every starter and contactor.
b. Indicate wire numbers for all control wires on the diagrams:
1) Wire numbering as specified in Section 16075 - Identification for Electrical Systems.
c. Indicate interfaces with other equipment on the drawings.

D. Delegated design submittals:

1. Anchoring and bracing: Provide project-specific calculations based on support conditions and requirements to resist loads specified in Section 01850 - Design Criteria:
a. To structures for equipment installed in structures designated as seismic design category C, D, E, or F.
b. For equipment installed outdoors.
c. For wall mounted equipment weighing 125 pounds or more.

E. Commissioning submittals:

1. As specified in Section 01756 - Commissioning, including the following:
a. Manufacturer’s representative qualifications.
b. Certificates:
1) Requirements as specified in this Section.
c. Test Plans:
1) Test requirements as specified in this Section.
d. Test Reports.
e. Manufacturer’s representatives field notes and data. f. Owner training.

Motor Starters
16422-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) F. Operation and maintenance manuals:

1. Submit complete operating and maintenance instructions presenting full details for care and maintenance of equipment furnished or installed under this Section. Including but not limited to:
a. Electrical ratings:
1) Phase.
2) Wire.
3) Voltage.
4) Ampacity.
b. Complete bill of material.
c. Manufacturer’s operating and maintenance instructions starter and/or contactor component parts, including:
1) Protective devices (fuses, breakers, overload relays, heater elements, etc.).
2) Pilot devices.
d. Complete renewal parts list.
e. As-built drawings:
1) Furnish as-built drawings for each starter and contactor indicating final:
a) Wire numbers.
b) Interfaces with other equipment.
2) 11-inch by 17-inch format.

1.05 QUALITY ASSURANCE
A. Regulatory requirements:

1. All starters and components shall be UL listed and labeled:
a. UL 508 - Industrial Control Equipment.
b. UL 508A - Industrial Control Panels.

2. NEMA ICS 2 - Industrial Control and System Controllers; Contactors and Overload Relays Rated: 600 Volts.

3. Combination starters shall be UL listed and labeled.

1.06 DELIVERY, STORAGE, AND HANDLING (NOT USED)

1.07 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.08 ADMINISTRATIVE REQUIREMENTS (NOT USED)

1.09 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.10 MAINTENANCE
A. Spare parts:

1. Provide the following spare parts, suitably packaged and labeled with the corresponding equipment number:
a. 1 spare fuse of each size and type per starter.

Motor Starters
16422-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) PART 2 PRODUCTS

2.01 GENERAL
A. Starters for motor control centers, individual enclosed starters, or control panels.

2.02 DESIGN AND PERFORMANCE CRITERIA
A. Provide equipment and components that are fully rated for the site elevation and operating environment where the equipment will be installed as specified in Section 01850 - Design Criteria and as indicated on the Drawings.

2.03 MANUFACTURERS
A. One of the following or equal:

1. NEMA starters and contactors:
a. ABB.
b. Allen-Bradley.
c. Eaton.
d. Schneider Electric.

2. Manual motor starters:
a. ABB.
b. Cutler-Hammer.
c. Schneider Electric.

3. Reduced voltage solid state starters:
a. Eaton (Westinghouse Series 2100).

2.04 MATERIALS (NOT USED)

2.05 MANUFACTURED UNITS
A. General:

1. Provide combination type starters with motor circuit protector or thermal-magnetic circuit breaker and control power transformer with ratings as indicated on the Drawings.

2. NEMA size, design, and rated:
a. NEMA Size 1 minimum.

3. Coordinate motor circuit protector, thermal magnetic circuit breaker, or fusible disconnect, and overload trip ratings with nameplate horsepower and current ratings of the installed motor:
a. If motors provided are different in horsepower rating than those specified or indicated on the Drawings, provide starters coordinated to the actual motors furnished.

4. Provide starters NEMA Size 2 and larger with arc quenchers on load breaking contacts.

5. Mount extended overload reset buttons to be accessible for operation without opening starter enclosure door.

B. Full voltage starters:

1. Across-the-line full voltage magnetic starters.

2. Rated for 600 volts.

Motor Starters
16422-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED)

3. Electrical characteristics as indicated on the Drawings.

4. Provide positive, quick-make, quick-break mechanisms, pad lockable enclosure doors.

5. Furnish starter with bi-metallic overload relays.

6. Double-break silver alloy contacts.

7. Remote indicators:
a. Provide Form C dry contacts for remote indication of:
1) Internal fault error.
2) Undervoltage.
3) Overvoltage.
4) Phase reversal.
5) Phase loss.
6) Overload.
7) Frequency out of range.
8) Excessive starts per hour.
9) Drive electronics over temperature.
10) Stall.
11) Jam.
12) System failure.
13) Starter failure.
14) Run status.
15) Full speed.

C. Manual motor starters:

1. General:
a. Provide with number of poles as indicated on the Drawings or as required by the connected load.
b. Provide handles that clearly indicate the On and Off (with lockout), positions.
c. Switch shall have positive, quick-make, quick-break mechanisms.

2. Thermal overload switches:
a. Provide thermal overloads in manual motor starters where integral overloads are not furnished with the motor.
b. Size heater elements for approximately 115 percent of the nameplate full load current, for motors with a 1.15 service factor.
c. Thermal overload units in all phase legs.
d. Overload conditions interrupts all ungrounded conductors.

3. Enclosure:
a. Provide the NEMA enclosure type specified in Section 16050 - Common Work Results for Electrical for the starter location.

D. RVSS:

1. Manufactured and tested in accordance with the applicable requirements of IEEE, UL, and NEMA, including the following:
a. Dielectric withstand per UL 508.
b. Noise and RF immunity per NEMA ICS-2.

2. Furnish with a motor circuit protector or thermal magnetic circuit breaker as indicated on the Drawings.

3. Provide protection against internal faults and high SCR temperature during operation of the motor including starting, running (except when bypassed), and stopping modes.

Motor Starters
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4. Capable of continuously delivering full rated current of the motor plus the motor service factor in ambient temperatures from 0 degrees Celsius to 40 degrees Celsius at the installed altitude.

5. Provide a magnetically operated bypass contactor in parallel with the solid state starter:
a. The bypass contactor to energize when the motor has reached full speed:
1) The electronic overload protection circuits must be fully functional with the bypass contactor closed.

6. RVSS control module requirements:
a. Microcomputer based, and contains the required circuitry to drive the power semiconductors in the power section of the starter. b. Integrally mounted on the power section and requires no additional panel space or wiring.
c. Mounted for easy wiring, testing, service, and replacement. d. Provide 3-phase current sensing.
e. Quick disconnect plug-in connectors for current transformer inputs, line and load voltage inputs, and SCR gate firing output circuits. f. Operates on power supplied from a control power transformer. g. Phase insensitive or with phase rotation protection. h. Control modes:
1) Soft start with adjustable linear ramp time and a “kick start” or “boost” feature to provide a short time (typically 0.1 seconds) application of approximately full voltage.
2) Soft start with adjustable linear ramp time, with a current limit:
a) The current limit shall be adjustable over the range of 2 to 4 times normal full load current.
3) Reverse voltage ramp (line voltage to zero voltage):
a) Adjustable from 2 to 30 seconds to provide smooth stop. b) Automatic shutdown at end of voltage ramp.
i. Protective functions:
1) Single phase protection.
2) Under voltage protection.
3) Short circuit electronic trip overcurrent protection. Time not to exceed 3 cycles.
4) Inverse time running overcurrent protection.
5) Auxiliary trip circuitry.
6) Gate firing circuit lockout protection on trip.
7) Jam and stall detection.
8) Fault relay lockout protection.
9) 100 percent to 130 percent full load running current trip adjustment. 10) 100 percent to 450 percent of starting current limit adjustment. 11) Dwell time at current limit with ramp continuation after acceleration. 12) Individual light emitting diodes (LEDs) for trip and phase loss. 13) Minimum and maximum initial starting voltage adjustments. 14) Initial torque adjustment.

7. RVSS power section requirements:
a. 3 sets of back-to-back phase-controlled power semiconductors:
1) Minimum repetitive peak inverse voltage of 1,500 volts at 480 VAC. 2) Resistor/capacitor snubber networks to prevent false firing of the SCRs.

Motor Starters
16422-7 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) 3) Equipped with individual heat sink assemblies.
4) Provide high-speed fuses for protection of the SCR stacks against short circuit conditions.
b. Provide metal oxide varistors for surge protection on the line and load side power terminal connections:
1) Rated for a minimum of 120 joules.
c. Capable of supplying the following current levels:
1) 600 percent of full load current for a minimum of 10 seconds. 2) 450 percent of full load for a minimum of 30 seconds. d. Furnish ground lugs, one for incoming and one for outgoing ground connections.
e. Furnish pressure type terminals for top or bottom entry power terminations.

8. Remote indicators:
a. Provide Form C dry contacts for remote indication of:
1) Internal fault error.
2) Undervoltage.
3) Overvoltage.
4) Phase reversal.
5) Phase loss.
6) Overload.
7) Frequency out of range.
8) Excessive starts per hour.
9) Drive electronics over temperature.
10) Stall.
11) Jam.
12) System failure.
13) Starter failure.
14) Run status.
15) Full speed.

2.06 EQUIPMENT (NOT USED)

2.07 COMPONENTS
A. Molded case circuit breakers:

1. Circuit breaker type and ratings as indicated on the Drawings.

2. Provide as specified in Section 16412 - Low Voltage Molded Case Circuit Breakers.

B. Contactors:

1. NEMA size as indicated on the Drawings.

2. Electrically held:
a. For lighting loads designed to withstand the initial inrush currents of ballast and lamp loads.

3. Factory adjusted and chatter free.

4. Auxiliary contacts:
a. Contact ratings as per NEMA A 600 rating:
1) Auxiliary contacts rated 10 amps at 600 volts.

Motor Starters
16422-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) b. Provide all contacts indicated on the Drawings, and any additional contacts required for proper operation.
c. Provide at least 1 normally open and 1 normally closed spare auxiliary contact.

5. Constructed in accordance with the following standards:
a. UL 508.
b. IEC 947-4:
1) Type 1 coordination when protected by a circuit breaker. 2) Type 2 coordination when protected by a suitable UL listed fuse. c. IEC 801-1 parts 2 through 6.

C. Overloads:

1. Bi-metallic overload relay:
a. Class 20 protection.
b. Ambient compensated.
c. Interchangeable heater pack:
1) 1 heater per phase.
2) Coordinate with installed motor full load amps and service factor. d. Visible trip indicator.
e. Push-to-trip test.
f. Isolated normally open alarm contact.
g. Normally closed trip contacts.
h. Manual reset.

D. Control power transformer:

1. Furnish integral control power transformer capacity to power:
a. All motor controls: Motor and starter accessories indicated on the Drawings or specified.

2. Primary and secondary fusing as indicated on the Drawings:
a. Fusing sized by the manufacturer for the rating of the transformer furnished.

3. Control power transformer secondary voltage:
a. As indicated on the Drawings.

2.08 ACCESSORIES
A. Lugs and terminals:

1. For all external connections of No. 6 AWG and larger.

2. UL listed for either copper or aluminum conductors.

B. Surge protective devices:

1. Furnish surge protection devices across the coil of each starter, contactor, and relay.

C. Pilot devices:

1. Provide pilot lights, switches, elapsed time meters, and other devices as specified or as indicated on the Drawings.

2. As specified in Section 17710 - Control Systems: Panels, Enclosures, and Panel Components.

Motor Starters
16422-9 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) D. Nameplates and wire markers:

1. As specified in Section 16075 - Identification for Electrical Systems.

E. Conformal coating:

1. Provide conformal coating material applied to electronic circuitry and printed circuit boards to act as protection against moisture, dust, temperature extremes, and chemicals such as H2S and chlorine.

2.09 FABRICATION (NOT USED)

2.10 FINISHES (NOT USED)

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION
A. Anchoring and bracing to structures:

1. Prepare equipment anchor setting template(s) and use to position anchors during construction of supporting structure(s).

2. Install anchors of type and material indicated on approved anchoring designs.

3. Install anchors with embedment indicated on approved anchoring designs.

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details.

B. Starters in motor control centers:

1. Install as specified in Section 16444 - Low Voltage Motor Control Centers.

C. Starters in control panels:

1. Install as specified in Section 17710 - Control Systems: Panels, Enclosures, and Panel Components.

D. Manual motor starters:

1. Provide complete mounting brackets and hardware as necessary for complete support of manual motor starter at locations indicated on the Drawings.

2. Mount manual motor starter rigidly to exposed building or equipment structural members.

3.04 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Source Testing (NOT USED).

Motor Starters
16422-10 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16422 (CONFORMED) C. Owner Training:

1. Perform Owner training as specified in Section 01756 - Commissioning.

2. Topics:
a. Operation topics limited to:
1) Soft Starter Operation and Control
b. Maintenance topics limited to:
1) Soft Starter Operation and Control

3. Number of sessions:
a. Operations 1.
b. Maintenance 1.

3.05 FIELD QUALITY CONTROL

3.06 ADJUSTING
A. Make all adjustments as necessary and recommended by the manufacturer, Engineer, or testing firm.

B. Set all overloads and motor circuit protectors based on the nameplate values of the installed motor.

END OF SECTION

Group-Mounted Circuit Breaker Switchboards
16441-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED) SECTION 16441

GROUP-MOUNTED CIRCUIT BREAKER SWITCHBOARDS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Free standing, dead-front type metal-enclosed distribution, low voltage switchboards, utilizing group mounted circuit protective devices.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. National Electrical Manufacturers' Association (NEMA):

1. PB-2 - Dead-front Distribution Switchboards.

C. Underwriters' Laboratories, Inc. (UL):

1. 50 - Standard for Enclosures for Electrical Equipment.

2. 891 - Switchboards.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTION
A. Factory assembled, wired, and tested switchboards, with major components being products of a single manufacturer, including but not limited to, circuit breakers, bus and enclosure with accessories and features specified in this Section and indicated on the Drawings.

B. Description of sections:

1. Space for future devices:
a. Where indicated on the Drawings, space for future devices shall include:
1) All necessary bus.
2) Device supports.
3) Device mounting equipment.
4) Device connections to bus work.
5) Wire troughs or raceway space.
6) Unused device space shall be covered with blank code gauge steel covers or doors.

Group-Mounted Circuit Breaker Switchboards
16441-2 8660F10 July 12, 2023 - CONFORMED
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1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Manufacturer of switchboard.

2. Manufacturer of all component parts of switchboard.

3. Weight of switchboard.

4. Dimensions:
a. Height.
b. Length.
c. Width.

5. Nameplate schedule.

6. Bill of material.

7. Ratings:
a. Voltage.
b. Phase.
c. Current.
d. Interrupting rating (circuit breakers and fuses).
e. Momentary current rating.

8. List of recommended spare parts.

9. Name and telephone number of manufacturer’s authorized parts and repair provider.

10. Furnish circuit breaker submittals as specified in:
a. Section 16412 - Low Voltage Molded Case Circuit Breakers.

11. For equipment installed in structures designated as seismic design category C, D, E, or F submit the following as specified in Section 01850 - Design Criteria:
a. Manufacturer’s statement of seismic qualification with substantiating test data.
b. Manufacturer’s special seismic certification with substantiating test data.

C. Shop drawings:

1. Layout drawings:
a. Complete, detailed, and scaled switchboard layout:
1) Front panel.
2) Sub-panels.
3) Interior panels.
4) Top and bottom conduit windows.

D. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. For equipment installed in structures designated as seismic design category A or B:
a. Provide manufacturer’s installation instructions and anchoring details for connecting equipment to supports and structures.

3. For equipment installed in structures designated as seismic design category C, D, E, or F:
a. Provide project-specific installation instructions and anchoring details based on support conditions and requirements to resist seismic and wind loads as specified in Section 01850 - Design Criteria.

Group-Mounted Circuit Breaker Switchboards
16441-3 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED) b. Submit anchoring drawings with supporting calculations. c. Drawings and calculations shall be stamped by a professional engineer registered in the state where the Project is being constructed.

E. Operating and maintenance manuals:

1. Submit operating instructions and a maintenance manual for the switchboard(s) furnished and/or installed under this Contract.

2. Operating instructions:

3. Maintenance manual:
a. Furnish maintenance manuals with instructions covering all details pertaining to care and maintenance of all equipment as well as data identifying all parts.
b. Manuals to include but are not limited to the following:
1) Adjustment and test instructions covering the steps involved in the initial test, adjustment, and start-up procedures.

F. Test forms and reports:

1. Submit complete factory acceptance test procedures and all forms used during the test.

2. Manufacturer to furnish a certified report after the shop tests.

3. Manufacturer to furnish a certified report after the start-up:
a. Report must state that the installation is complete and satisfactory, or list items requiring additional work and a proposal for the corrective actions.

G. Certification letters:

1. Provide a letter from the switchboard manufacturer that lists every paragraph, subparagraph etc. of this Section and states compliance or non-compliance with said paragraph. If non-compliance is indicated, provide an explanation for the deviation and alternative method to address the non-compliance.

H. Calculations:

1. Detailed calculations or details of the actual physical testing performed on the switchboard to prove the switchboard is suitable for the seismic requirements at the Project Site.

1.06 QUALITY ASSURANCE
A. Sections and devices shall be UL listed and labeled.

B. The manufacturer of this equipment shall have produced similar electrical equipment for a minimum period of 5 years. When requested by the Engineer, an acceptable list of installations with similar equipment shall be provided demonstrating compliance with this requirement.

1.07 DELIVERY STORAGE AND HANDLING
A. Ship the switchboard to the job site on a dedicated air ride vehicle that will allow the Contractor to utilize onsite off-loading equipment:

B. Furnish temporary equipment heaters within the switchboard to prevent condensation from forming.

Group-Mounted Circuit Breaker Switchboards
16441-4 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED)

1.08 PROJECT OR SITE CONDITIONS
A. As specified in Section 01850 - Design Criteria.

1.09 SEQUENCING
A. Conduct the initial fault current study as specified in Section 16305 - Electrical System Studies and submit results for Engineer’s review.

B. After successful review of the initial fault current study, submit complete equipment submittal.

C. Conduct factory acceptance test and submit certified test results for Engineer’s review.

D. Ship equipment to Project Site after successful completion of factory acceptance test.

E. Assemble equipment in the field.

F. Conduct field acceptance test and submit results for Engineer’s review.

G. Submit manufacturer’s certification that equipment has been properly installed and is fully functional for Engineer’s review.

H. Conduct Owner’s training sessions.

I. Commissioning as specified in Section 01756 - Commissioning.

1.10 SCHEDULING (NOT USED)

1.11 WARRANTY
A. As specified in Section 01783 - Warranties and Bonds.

1.12 SYSTEM START-UP (NOT USED)

1.13 OWNER’S INSTRUCTIONS (NOT USED)

1.14 MAINTENANCE (NOT USED)
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. The following, no equal, to match owner standard:

1. GE by ABB.

B. Circuit breakers: Same manufacturer as the switchboard.

Group-Mounted Circuit Breaker Switchboards
16441-5 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED)

2.02 EXISTING PRODUCTS (NOT USED)

2.03 MATERIALS (NOT USED)

2.04 MANUFACTURED UNITS (NOT USED)

2.05 EQUIPMENT
A. Switchboard:

1. Furnish low voltage Class 2 switchboards as specified and indicated on the Drawings.

2. Provide complete and functional switchboards with required controls.

3. Furnish and install devices or accessories not described in this Section but necessary for the proper installation and operation of the equipment.

B. Voltage ratings:

1. Voltage level and configuration: As indicated on the Drawings.

2. Frequency: 60 hertz.

C. Bus:

1. General:
a. Tin-plated copper.
b. Bus cross-section in accordance with UL heat rise requirements. c. Current density of 1,000 amperes per square inch.
d. Mounted on supports of high-impact, non-tracking insulators. e. Phase A-B-C bus arrangement:
1) Top-to-bottom, left-to-right, front-to-back throughout the switchboard. f. Symmetrical short circuit current bracing of as indicated on the Drawings. g. Continuous current rating as indicated on the Drawings.

2. Horizontal bus:
a. Provisions for future connections to additional switchboard sections.

3. Ground bus:
a. Sized per UL 891.

D. Enclosure:

1. General:
a. Self-supporting structures bolted together to form the required line-up. b. All sections rear aligned.
c. Dead-front.
d. Conduit entry:
1) Open-bottom.
2) Removable top cover.

2. Frame:
a. Die-formed 12 gauge steel.

3. Covers:
a. Bolt-on.
b. Code gauge steel.
c. Removable front covers.
1) Held in place by captive screws.

4. Rating:
a. NEMA Type 1.

Group-Mounted Circuit Breaker Switchboards
16441-6 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED)

2.06 COMPONENTS
A. Circuit breakers:

1. General:
a. Molded case circuit breakers as specified in Section 16412 - Low Voltage Molded Case Circuit Breakers.

2. Main circuit breaker:
a. Frame, trip and short circuit ratings as indicated on the Drawings. b. 100 percent rated.

3. Feeder breakers:
a. Frame, trip and short circuit ratings as indicated on the Drawings.

B. Wiring:

1. Provide all necessary internal wiring, fuse blocks, and terminal blocks as required.

2. Number all wires at each end and indicate wire numbers on shop drawings.

3. Type SIS switchboard wire with at least 26 strands.

4. Minimum wire size:
a. No. 14 for control circuits.
b. No. 12 for potential and current transformer circuits.

5. Numbered and labeled in accordance with Section 16075 - Identification for Electrical Systems.

2.07 ACCESSORIES
A. Metering system:

1. Include metering as indicated on the Drawings.

2. Provide microprocessor based power meters as specified in Section 16290 - Electrical Power Monitoring.

B. Surge protective devices:

1. Provide surge protective devices as indicated on the Drawings and as specified in Section 16285 - Surge Protective Devices.

C. Nameplates:

1. Provide engraved plastic nameplates to identify:
a. Switchboard units.
b. Door mounted components.
c. Interior mounted devices.

2. As specified in Section 16075 - Identification for Electrical Systems.

3. Engraved with the circuit number and circuit name as indicated on the Drawings.

4. Manufacturers labels:
a. Each vertical section shall have a label identifying:
1) Serial number.
2) Shop order number.
3) Bus rating.
4) Vertical section reference number.
5) Date of manufacture.

Group-Mounted Circuit Breaker Switchboards
16441-7 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED) D. Warning signs:

1. Voltage:
a. Provide a minimum of 2 warning signs on the front of the switchboard lineup and 2 on the back.
b. Red laminated plastic engraved with white letters approximately 1/2 inch high.
c. Signs shall read:
1) "WARNING-HIGH VOLTAGE-KEEP OUT".

2. Arc flash:
a. Provide one warning sign for each switchboard compartment. b. Signs shall have read a minimum of:
1) “DANGER ELECTRIC ARC FLASH HAZARD.”
2) Signs shall meet the requirements of NFPA 70E and NEC Article 110.16.

E. Lugs:

1. For all external connections of No. 6 AWG or larger.

2. UL listed for copper or aluminum conductors.

3. Rated for 75-degree Celsius conductors.

4. Lugs shall be of the compression type in design requiring a hydraulic press and die for installation.

2.08 MIXES (NOT USED)

2.09 FABRICATION (NOT USED)

2.10 FINISHES
A. Chemically clean all steel surfaces before painting.

B. Exterior color manufacturer’s standard gray over phosphate-type rust inhibitor.

2.11 SOURCE QUALITY CONTROL (NOT USED)
PART 3 EXECUTION

3.01 EXAMINATION (NOT USED)

3.02 PREPARATION (NOT USED)

3.03 INSTALLATION
A. Install the equipment in accordance with the accepted installation instructions and anchorage details to meet the seismic and wind load requirements at the Project site.

Group-Mounted Circuit Breaker Switchboards
16441-8 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16441 (CONFORMED) B. General:

1. Furnish all cables, conduit, lugs, bolts, expansion anchors, sealants, and other accessories needed to complete the installation of the switchboard.

2. Assemble and install the switchboard in the location and layout indicated on the Drawings.

3. Perform work in accordance with manufacturer’s instructions and shop drawings.

4. Furnish components and equipment as required to complete the installation.

5. Replace any hardware lost or damaged during the installation or handling to provide a complete installation.

6. Install the switchboard on a raised concrete housekeeping pad:
a. Provide structural leveling channels in accordance with the manufacturer’s recommendations to provide proper alignment of the units. b. Weld and/or bolt the switchboard frame to be to the leveling channels.

3.04 ERECTION, INSTALLATION, APPLICATION, CONSTRUCTION (NOT USED)

3.05 REPAIR/RESTORATION (NOT USED)

3.06 REINSTALLATION (NOT USED)

3.07 COMMISSIONING
A. As specified in Section 01756 - Commissioning.

B. Factory tests:

1. Owner and Engineer will witness the factory acceptance test as specified in Section 16050 - Common Work Results for Electrical.

2. Completely assemble, wire, and test the switchboard:
a. Provide groups of wires leaving the shipping-assembled equipment with terminal blocks with suitable numbering strips.

3.08 FIELD QUALITY CONTROL
A. As specified in Section 16050 - Common Work Results for Electrical.

3.09 ADJUSTING
A. Make all adjustments as necessary and recommended by the manufacturer, Engineer, or testing firm.

3.10 CLEANING
A. As specified in Section 16050 - Common Work Results for Electrical.

3.11 PROTECTION (NOT USED)

3.12 SCHEDULES (NOT USED)

END OF SECTION

Panelboards
16445-1 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16445 (CONFORMED) SECTION 16445

PANELBOARDS
PART 1 GENERAL

1.01 SUMMARY
A. Section includes:

1. Panelboards serving feeder circuits and branch circuits.

1.02 REFERENCES
A. As specified in Section 16050 - Common Work Results for Electrical.

B. Underwriter's Laboratories, Inc. (UL):

1. 67 - Standard for Panelboards.

1.03 DEFINITIONS
A. As specified in Section 16050 - Common Work Results for Electrical.

1.04 SYSTEM DESCRIPTION
A. Circuit breaker panelboards as indicated in the panelboard schedules, one-lines, and where indicated on the Drawings:

1. Service voltage and configuration as indicated on the panel schedules.

1.05 SUBMITTALS
A. Furnish submittals as specified in Section 01330 - Submittal Procedures.

B. Product data:

1. Manufacturer of panelboard.

2. Bill of material.

3. Assembly ratings including:
a. Voltage.
b. Phase.
c. Continuous current.
d. Short circuit interrupting rating.

4. NEMA enclosure type.

5. Cable terminal sizes based upon actual feeder and sub-feeder conductors used.

6. Furnish circuit breaker submittals as specified in Section 16412 - Low Voltage Molded Case Circuit Breakers.

7. For equipment installed in structures designated as seismic design category C, D, E, or F submit the following as specified in Section 01850 - Design Criteria:
a. Manufacturer’s statement of seismic qualification with substantiating test data.
b. Manufacturer’s special seismic certification with substantiating test data.

Panelboards
16445-2 8660F10 July 12, 2023 - CONFORMED
pw://Carollo/Documents/Client/CA/Ukiah/8660F10/Specifications/New Scope/16445 (CONFORMED) C. Shop drawings:

1. Drawings to contain:
a. Overall panelboard dimensions, interior panel dimensions, and wiring gutter dimensions:
1) Height.
2) Length.
3) Width.
b. Weight.
c. Anchoring locations.
d. Breaker layout drawing with dimensions:
1) Location of the main, branches, solid neutral, and ground. e. Conduit entry/exit locations:
1) Identify all conduit entry/exit locations and restrictions. f. Individual panel schedules identifying breaker locations, ratings, and nameplate designations within the panelboard, for every panelboard.

D. Installation instructions:

1. Detail the complete installation of the equipment including rigging, moving, and setting into place.

2. For equipment installed in structures designated as seismic design category A or B:
a. Provide manufacturer’s installation instructions and anchoring details for connecting equipment to supports and structures.

3. For equipment installed in structures designated as seismic design category C, D, E, or F:
a. Provide project-specific installation instructions and anchoring details based on support conditions and requirements to resist seismic and wind loads as specified in Section 01850 - Design Criteria.
b. Submit anchoring drawings with supporting calculations. c. Drawings and calculations shall be stamped by a professional engineer registered in the state where the Project is being constructed.

E. Operations and maintenance manual:

1. Provide a complete manual for the operation and maintenance of the panelboard, circuit breakers, devices, and accessories:
a. Including but not limited to:
1) Instruction narratives and bulletins.
2) Renewal parts lists.
3) Time-current curves for all devices.

F. Calculations:

1. Detailed calculations or details of the actual physical testing performed on the panelboard to prove the panelboard is suitable for the seismic requirements at the Project Site.

1.06 QUALITY ASSURANCE
A. Panelboards shall be UL listed and labeled.

1. Where indicated as service entrance equipment, panelboards shall be UL labeled and listed “Suitable for Service Entrance.”