Hermosa Beach City Council
July 9, 2024

HVAC INSULATION 23 0700 - 15
b. On duct sides with dimensions larger than 18 inches, place pins 16 inches o.c. each way, and 3 inches maximum from insulation joints. Install additional pins to hold insulation tightly against surface at cross bracing.
c. Pins may be omitted from top surface of horizontal, rectangular ducts and plenums. d. Do not over-compress insulation during installation. e. Impale insulation over pins and attach speed washers. f. Cut excess portion of pins extending beyond speed washers or bend parallel with insulation surface. Cover exposed pins and washers with tape matching insulation facing.

4. For ducts and plenums with surface temperatures below ambient, install a continuous unbroken vapor barrier. Create a facing lap for longitudinal seams and end joints with insulation by removing 2 inches from 1 edge and 1 end of insulation segment. Secure laps to adjacent insulation section.

Install vapor barrier consisting of factory- or field- applied jacket, adhesive, vapor- barrier mastic, and sealant at joints, seams, and protrusions.
a. Repair punctures, tears, and penetrations with tape or mastic to maintain vapor- barrier seal. b. Install vapor stops for ductwork and plenums operating below 50 deg F at 18-foot intervals.

Vapor stops shall consist of vapor-barrier mastic applied in a Z-shaped pattern over insulation face, along butt end of insulation, and over the surface. Cover insulation face and surface to be insulated a width equal to 2 times the insulation thickness but not less than 3 inches.

5. Overlap unfaced blankets a minimum of 2 inches on longitudinal seams and end joints. At end joints, secure with steel bands spaced a maximum of 18 inches o.c.

6. For Blanket Insulation Install insulation on rectangular duct elbows and transitions with a full insulation section for each surface. Install insulation on round and flat-oval duct elbows with individually mitered gores cut to fit the elbow.

7. For Board Insulation, install insulation on rectangular duct elbows and transitions with a full insulation section for each surface. Groove and score insulation to fit as closely as possible to outside and inside radius of elbows. Install insulation on round and flat-oval duct elbows with individually mitered gores cut to fit the elbow.

8. Insulate duct stiffeners, hangers, and flanges that protrude beyond insulation surface with 6-inchwide strips of same material used to insulate duct. Secure on alternating sides of stiffener, hanger, and flange with pins spaced 6 inches o.c.

3.7 FIELD-APPLIED JACKET INSTALLATION
A. Where FSK jackets are indicated, install as follows:

1. Draw jacket material smooth and tight.

2. Install lap or jointstrips with same material as jacket.

3. Secure jacket to insulation with manufacturer's recommended adhesive.

4. Install jacket with 1-1/2-inch laps at longitudinal seams and 3-inch- wide joint strips at end joints.

5. Seal openings, punctures, and breaks in vapor-retarder jackets and exposed insulation with vaporbarrier mastic.

B. Where PVC jackets are indicated, install with 1-inch overlap at longitudinal seams and end joints; for horizontal applications, install with longitudinal seams along top and bottom of tanks and vessels. Seal with manufacturer's recommended adhesive.

HVAC INSULATION 23 0700 - 16

1. Apply two continuous beads of adhesive to seams and joints, one bead under lap and the finish bead along seam and joint edge.

C. Where metal jackets are indicated, install with 2-inch overlap at longitudinal seams and end joints. Overlap longitudinal seams arranged to shed water. Seal end joints with weatherproof sealant recommended by insulation manufacturer. Secure jacket with stainless-steel bands 12 inches o.c. and at end joints.

3.8 FINISHES
A. Duct, Equipment, and Pipe Insulation with ASJ or Other Paintable Jacket Material: Paint jacket with paint system identified below and as specified in Division 09 Painting Sections.

1. Flat Acrylic Finish: Two finish coats over a primer that is compatible with jacket material and finish coat paint. Add fungicidal agent to render fabric mildew proof. a. Finish Coat Material: Interior, flat, latex-emulsion size.

B. Flexible Elastomeric Thermal Insulation: After adhesive has fully cured, apply two coats of insulation manufacturer's recommended protective coating.

C. Color: Final color as selected by Architect. Vary first and second coats to allow visual inspection of the completed Work.

D. Do not field paint aluminum or stainless-steel jackets.

3.9 FIELD QUALITY CONTROL
A. Perform tests and inspections.

B. Tests and Inspections:

1. Inspect ductwork, randomly selected by Architect, by removing field-applied jacket and insulation in layers in reverse order of their installation. Extent of inspection shall be limited to three location(s) for each duct system defined in the "Duct Insulation Schedule, General" Article.

2. Inspect field-insulated equipment, randomly selected by Architect, by removing field- applied jacket and insulation in layers in reverse order of their installation. Extent of inspection shall be limited to three location(s) for each type of equipment defined in the "Equipment Insulation Schedule" Article. For large equipment, remove only a portion adequate to determine compliance.

3. Inspect pipe, fittings, strainers, and valves, randomly selected by Architect, by removing fieldapplied jacket and insulation in layers in reverse order of their installation. Extent of inspection shall be limited to three locations of straight pipe, three locations of threaded fittings, three locations of welded fittings, two locations of threaded strainers, two locations of welded strainers, three locations ofthreaded valves, and three Insert number locations of flanged valvesfor each pipe service defined in the "Piping Insulation Schedule, General" Article.

C. All insulation applications will be considered defective Work if sample inspection reveals noncompliance with requirements.

HVAC INSULATION 23 0700 - 17

3.10 DUCT INSULATION SCHEDULE, GENERAL
A. Plenums and Ducts Requiring Insulation:

1. Indoor, concealed and exposed supply and outdoor air.

2. Indoor, concealed and exposed return located in non-conditioned non-plenum space.

3. Indoor, exhaust between isolation damper and penetration of building exterior.

4. Outdoor, exposed supply and return.

B. Items Not Insulated:

1. Metal ducts with duct liner of sufficient thickness to comply with energy code and ASHRAE/IESNA 90.1.

2. Factory-insulated flexible ducts.

3. Factory-insulated plenums and casings.

4. Flexible connectors.

5. Vibration-control devices.

6. Factory-insulated access panels and doors.

3.11 INDOOR DUCT AND PLENUM INSULATION SCHEDULE
A. Concealed, Supply-Air Duct and Plenum Insulation: Mineral-fiber blanket, 1-1/2 inches thick and 0.75- lb/cu. ft. nominal density.

B. Exposed (in finished spaces), Supply-Air Duct and Plenum Insulation: Mineral-fiber blanket, 1- 1/2 inches thick and 0.75-lb/cu. ft. nominal density.

C. Concealed, Return-Air Duct and Plenum Insulation: XXXX.

D. Concealed, Outdoor Air Duct and Plenum Insulation: Mineral-fiber blanket, 1-1/2 inches thick and 0.75- lb/cu. ft. nominal density.

E. Exposed in Unconditioned Spaces or Mechanical Rooms, Supply-Air, Return-Air, and Outdoor Air Duct and Plenum Insulation: Mineral-fiber board, 1 inches thick and 3-lb/cu. ft. nominal density.

F. Concealed or Exposed Exhaust and Relief Between Isolation Damper and Penetration of Building Exterior, and Within 20' of the Building Exterior: Mineral-fiber blanket, 2 inches thick and 0.75-lb/cu. ft. nominal density.

G. Kitchen Hood exhaust ductsshall be insulated with minimum 2-hour rated grease duct wrap.

3.12 ABOVEGROUND, OUTDOOR DUCT AND PLENUM INSULATION SCHEDULE A. Insulation materials and thicknesses are identified below. If more than one material is listed for a duct system, selection from materials listed is Contractor's option.

B. Exposed, Supply-Air and Return-Air Duct and Plenum Insulation: Mineral-fiber board, 3 inches thick and 6-lb/cu. ft. nominal density.

HVAC INSULATION 23 0700 - 18

3.13 EQUIPMENT INSULATION SCHEDULE
A. Insulation materials and thicknesses are identified below. If more than one material is listed for a type of equipment, selection from materials listed is Contractor's option.

B. Insulate indoor and outdoor equipment in paragraphs below that is not factory insulated.

C. Circuit Setters: Insulate with pre-formed insulation sectionsspecifically designed for the specific circuit setters, and adjacent piping insulation and jacketing shall butt to same, and be sealed.

D. Heat-Exchangers Insulation: Removable insulation covers.

E. Heating-Hot-Water Pump Insulation: Mineral-Fiber Board/Pipe and Tank: 2 inches thick and 3- lb/cu. ft. nominal density.

F. Chilled-water air-separator insulation shall be one of the following:

1. Flexible Elastomeric: 1 inch thick.

2. Mineral-Fiber Pipe and Tank: 1 inch thick.

G. Re-heat Coils: VAV and FPVAV reheat coil sections shall have field installed insulation, coving the exposed coil u-bends on both sides of the coil section, coil headers, and the entire reheat section.

H. See 3.19 through 3.22 below also.

END OF SECTION 23 0700

REFRIGERANT PIPING 23 2300 - 1
SECTION 23 2300 – REFRIGERANT PIPING
PART 1 - GENERAL

1.1 SUMMARY
A. This Section includes refrigerant piping used for air-conditioning applications.

1.2 SUBMITTALS
A. Product Data: For each type of valve and refrigerant piping specialty indicated. Include pressure drop based on manufacturer's test data.

B. Shop Drawings: Show layout of refrigerant piping and specialties, including pipe, tube, and fitting sizes, flow capacities, valve arrangements and locations, slopes of horizontal runs, oil traps, double risers, wall and floor penetrations, and equipment connection details. Show interface and spatial relationships between piping and equipment.

1. Refrigerant piping indicated on Drawings is schematic only. Size piping and design actual piping layout, including oil traps, double risers, specialties, and pipe and tube sizes to accommodate, as a minimum, equipment provided, elevation difference between compressor and evaporator, and length of piping to ensure proper operation and compliance with warranties of connected equipment.

C. Field quality-control test reports.

D. Operation and maintenance data.

1.3 QUALITY ASSURANCE
A. Comply with ASHRAE 15 (latest edition), "Safety Code for Refrigeration Systems." B. Comply with ASME B31.5 (latest edition), "Refrigeration Piping & Heat Transfer Components." C. UL 207 Refrigerant Containing Components and Accessories.

1.4 PRODUCT STORAGE AND HANDLING
A. Store piping in a clean and protected area with end caps in place to ensure that piping interior and exterior are clean when installed.

1.5 INSTALLATION
A. Provide filter/dryer assemblies, moisture indicators, thermal expansion valve and solenoid valves for each refrigeration circuit.

REFRIGERANT PIPING 23 2300 - 2
B. Pressure test refrigerant piping system at 300 psi for high side and 150 psi for low side. Maintain pressure for a minimum of 24 hours.

C. Leak test piping and joints with an electronic or halide leak detector.

D. Evacuate entire system with an approved high vacuum pump system to 500 microns.

PART 2 - PRODUCTS

2.1 COPPER TUBE AND FITTINGS
A. Copper Tube: ASTM B 280, Type ACR.

B. Wrought-Copper Fittings: ASME B16.22.

C. Wrought-Copper Unions: ASME B16.22.

D. Brazing Filler Metals: AWS A5.8.

2.2 VALVES AND SPECIALTIES
A. To be per Manufacturer’s instructions including but not limited to the following:

1. Moisture/Liquid Indicators:

2. Replaceable-Core Filter Dryers: Comply with ARI 730.

3. Permanent Filter Dryers: Comply with ARI 730.

4. Liquid Accumulators: Comply with ARI 495.

PART 3 - EXECUTION

3.1 PIPING APPLICATIONS
A. Suction Lines, Hot Gas and Liquid Lines All Sizes to be Copper, Type ACR, annealed-temper tubing and wrought-copper fittings with brazed joints.

B. Safety-Relief-Valve Discharge Piping: Copper, Type ACR, drawn-temper tubing and wrought- copper fittings with brazed joints.

3.2 VALVE AND SPECIALTY APPLICATIONS
A. Install all valves and specialties per manufacturer’s instructions.

3.3 PIPING INSTALLATION
A. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems; indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Shop Drawings.

REFRIGERANT PIPING 23 2300 - 3
B. Install refrigerant piping according to ASHRAE 15.

C. Install piping in concealed locations unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilingsto allow sufficientspace for ceiling panel removal.

F. Install piping adjacent to machinesto allow service and maintenance.

G. Install piping free of sags and bends.

H. Install fittings for changes in direction and branch connections.

I. Select system components with pressure rating equal to or greater than system operating pressure.

J. Refer to Division 23 Sections "Instrumentation and Control for HVAC" and "Sequence of Operations for HVAC Controls" for solenoid valve controllers, control wiring, and sequence of operation.

K. Install piping as short and direct as possible, with a minimum number of joints, elbows, and fittings.

L. Arrange piping to allow inspection and service of refrigeration equipment. Install valves and specialties in accessible locations to allow for service and inspection. Install access doors or panels as specified in Division 08 Section "Access Doors and Frames" if valves or equipment requiring maintenance is concealed behind finished surfaces.

M. Install refrigerant piping in rigid or flexible conduit in locations where exposed to mechanical injury.

N. Slope refrigerant piping as follows:

1. Install horizontal hot-gas discharge piping with a uniform slope downward away from compressor.

2. Install horizontal suction lines with a uniform slope downward to compressor.

3. Install traps and double risersto entrain oil in vertical runs.

4. Liquid lines may be installed level.

O. When brazing, remove solenoid-valve coils and sight glasses; also remove valve stems, seats, and packing, and accessible internal parts of refrigerant specialties. Do not apply heat near expansion-valve bulb.

P. Install piping with adequate clearance between pipe and adjacent walls and hangers or between pipes for insulation installation. Insulate suction lines with 1.5" of flexible elastomeric insulation, and weather-proof same outdoors with two coats of insulation manufacturer's weather-proofing coating. Refer to Section 230719 for further general requirements pertaining to pipe insulation.

REFRIGERANT PIPING 23 2300 - 4
Q. Identify refrigerant piping and valves according to Division 23 Section "Identification for HVAC Piping and Equipment."
R. Install sleeves for piping penetrations of walls, ceilings, and floors. Comply with requirements for sleeves specified in applicable Division 23 Section. Install sleeve seals for piping penetrations of concrete walls and slabs. Comply with requirements for sleeve seals specified in applicable Division 23 Section. Install escutcheons for piping penetrations of walls, ceilings, and floors. Comply with requirements for escutcheons specified in applicable Division 23 Section.

3.4 PIPE JOINT CONSTRUCTION
A. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," Chapter "Pipe and Tube."

3.5 HANGERS AND SUPPORTS
A. Hanger, support, and anchor products are specified in Division 23 Section "Hangers and Supports for HVAC Piping and Equipment."
B. Install the following pipe attachments:

1. Adjustable steel clevis hangersfor individual horizontal runslessthan 20 feet long.

2. Roller hangers and spring hangersfor individual horizontal runs 20 feet or longer.

3. Pipe Roller: MSS SP-58, Type 44 for multiple horizontal piping 20 feet or longer, supported on a trapeze.

4. Spring hangers to support vertical runs.

5. Copper-clad hangers and supportsfor hangers and supportsin direct contact with copper pipe.

C. Install hangersfor copper tubing with the following maximum spacing and minimum rod sizes:

1. NPS 1/2: Maximum span, 60 inches; minimum rod size, 1/4 inch.

2. NPS 5/8: Maximum span, 60 inches; minimum rod size, 1/4 inch.

3. NPS 1: Maximum span, 72 inches; minimum rod size, 1/4 inch.

4. NPS 1-1/4: Maximum span, 96 inches; minimum rod size, 3/8 inch.

5. NPS 1-1/2: Maximum span, 96 inches; minimum rod size, 3/8 inch.

6. NPS 2: Maximum span, 96 inches; minimum rod size, 3/8 inch.

D. Support multi-floor vertical runs at least at each floor.

3.6 FIELD QUALITY CONTROL
A. Perform tests and inspections and prepare test reports.

B. Piping shall be evacuated, tested, adjusted, and charged in strict accordance with the equipment manufacturer'sinstructions.

END OF SECTION 23 2300

PIPE CLEANING, FLUSHING AND CHEMICAL TREATMENT 23 2500 - 1 SECTION 23 2500 - PIPE CLEANING, FLUSHING AND CHEMICAL TREATMENT PART 1 - GENERAL

1.1 SECTION INCLUDES
A. Cleaning of piping systems

1.2 REGULATORY REQUIREMENTS
A. Conform to applicable EPA code for addition of non-potable chemicals to building mechanical systems and for discharge to public sewage systems.

PART 2 - PRODUCTS

2.1 MATERIALS
A. All materials proposed must be compatible with existing treatmentsystems and chemicals.

B. System Cleaner:

1. Liquid alkaline compound with emulsifying agents and detergents to remove grease and petroleum products.

2.2 EQUIPMENT
A. Water Meter: Displacement type cold water meter with sealed, tamper proof magnetic drive, impulse contact register, single pole, double throw dry contact switch.

PART 3 - EXECUTION

3.1 PREPARATION
A. Systems shall be operational, filled, started and vented prior to cleaning. Use water meter to record capacity in each system.

B. Place terminal control valves in OPEN position during cleaning.

3.2 CLEANING SEQUENCE
A. Add cleaner to closed systems at concentration as recommended by manufacturer.

PIPE CLEANING, FLUSHING AND CHEMICAL TREATMENT 23 2500 - 2 B. Hot Water Heating Systems: Apply heat while circulating, slowly raising temperature to 160°F and maintain for 12 hours minimum. Remove heat and circulate to 100°F or less; drain systems as quickly as possible and refill with clean water. Circulate for 6 hours at design temperatures, then drain. Refill with clean water and repeat until system cleaner is removed.

C. Chilled Water Systems: Circulate for 48 hours, then drain systems as quickly as possible. Refill with clean water, circulate for 24 hours, then drain. Refill with clean water and repeat until system cleaner is removed.

D. Steam Systems: Apply heat, slowly raising boiler temperature to 160°F and maintain for 12 hours minimum. Cool, then drain as quickly as possible. Refill with clean water, drain, refill and check for sludge. Repeat until system is free of sludge. Apply heat to produce steam for piping system and maintain for 8 hours minimum. Bypass traps and waste condensate.

E. Use neutralizer agents on recommendation of system cleaner supplier and approval of Owner.

F. Flush open systems with clean water for one hour minimum. Drain completely and refill.

G. Remove, clean and replace strainer screens.

H. Inspect, remove sludge and flush low points with clean water after cleaning process is completed. Include disassembly of components as required.

END OF SECTION 23 2500

DUCTWORK 23 3114 - 1
SECTION 23 3114 - DUCTWORK
PART 1 - GENERAL

1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Specification Book Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY
A. Section Includes:

1. Single-wall rectangular ducts and fittings.

2. Double-wall rectangular ducts and fittings.

3. Single-wall round and flat-oval ducts and fittings.

4. Double-wall round and flat-oval ducts and fittings.

5. Laboratory exhaust ductwork.

6. Sheet metal materials.

7. Duct cleaning and contamination protection.

8. Sealants and gaskets.

9. Hangers and supports.

B. Related Sections:

1. Section 23 0529 "Mechanical Supporting Devices."

2. Section 23 0550 "Vibration Isolation."

3. Section 23 0553 "Mechanical Systems Identification."

4. Section 23 0594 "Testing, Adjusting, and Balancing (TAB)."

5. Section 23 0700 "Mechanical System Insulation."

6. Section 23 3314 "Ductwork Specialties" for dampers, sound-control devices, duct- mounting access doors and panels, turning vanes, flange connectors, flexible connectors, duct accessory hardware, louvers, and flexible ducts.

1.3 PERFORMANCE REQUIREMENTS
A. Delegated Duct Design: Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" and performance requirements and design criteria indicated in the "Duct Schedule" Article and on the drawings.

B. Structural Performance: Duct hangers and supports shall withstand the effects of gravity loads and stresses within limits and under conditions described in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."
C. Airstream Surfaces: Surfaces in contact with the airstream shall comply with requirements in ASHRAE

62.1.

DUCTWORK 23 3114 - 2
D. SMACNA's 3rd Edition, 2005, "HVAC Duct Construction Standards - Metal and Flexible," as referenced herein.

1.4 ACTIONSUBMITTALS/INFORMATION
A. Product Data: For each type of the following products:

1. Factory fabricated ductwork and fittings.

2. Factory fabricated hangers and supports.

3. Transverse joint components.

4. Sealants and gaskets.

B. Delegated-Design Information (for Contractor Use and University Reference, Not For Engineer Approval) :

1. Sheet metal thicknesses.

2. Joint and seam construction and sealing.

3. Reinforcement details and spacing.

4. Materials, fabrication, assembly, and spacing of hangers and supports.

5. Design Calculations: Calculations, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation for selecting hangers and supports.

1.5 INFORMATIONAL SUBMITTALS (For Use Amongst the Contractors and For Owner Reference, Not For Engineer Approval)
A. Coordination Drawings: Plans, drawn to scale, on which the following items are shown and coordinated with each other, using input from installers of the items involved:

1. Duct installation in congested spaces, indicating coordination with general construction, building components, and other building services. Indicate proposed changes to duct layout.

2. Fabrication, assembly, and installation, including plans, elevations, sections, components, and attachments to other work.

3. Factory and shop fabricated ducts and fittings.

4. Duct layout indicating sizes, configuration, liner material, and static-pressure classes.

5. Elevation of tops or bottoms of ducts.

6. Dimensions of main duct runsfrom building grid lines.

7. Fittings.

8. Reinforcement and spacing.

9. Seam and joint construction.

10. Penetrations through fire-rated and other partitions.

11. Equipment installation based on equipment being used on Project.

12. Locations for duct accessories, including dampers, turning vanes, and access doors and panels.

13. Hangers and supports, including methods for duct and building attachment and vibration isolation.

14. Suspended ceiling components.

15. Structural membersto which duct will be attached.

16. Size and location of initial access modulesfor acoustical tile.

17. Penetrations of smoke barriers and fire-rated construction.

18. Items penetrating finished ceiling including the following:

DUCTWORK 23 3114 - 3
a. Lighting fixtures.
b. Air outlets and inlets.
c. Speakers.
d. Sprinklers.
e. Access panels.
f. Perimeter moldings.

B. Welding certificates.

C. Field quality-control reports.

1.6 QUALITY ASSURANCE
A. Welding Qualifications: Qualify procedures and personnel according to the following:

1. AWS D1.1/D1.1M, "Structural Welding Code - Steel," for hangers and supports.

2. AWS D1.2/D1.2M, "Structural Welding Code - Aluminum," for aluminum supports.

3. AWS D9.1M/D9.1, "Sheet Metal Welding Code," for duct joint and seam welding.

B. ASHRAE Compliance: Applicable requirements in ASHRAE 62.1, Section 5 - "Systems and Equipment" and Section 7 - "Construction and System Start-up." C. ASHRAE/IESNA Compliance: Applicable requirements in ASHRAE/IESNA 90.1, Section 6.4.4 - "HVAC System Construction and Insulation."

1.7 SPECIAL WARRANTIES
A. Five (5) years, see Division 01.

PART 2 - PRODUCTS

2.1 FIBROUS GLASS (DUCTBOARD) DUCTS
A. Not allowed.

2.2 LINED DUCTWORK
A. Not allowed.

2.3 ELBOWS, TRANSITIONS, OFFSETS, BRANCH CONNECTIONS, LATERALS, AND OTHER

DUCT CONSTRUCTION REQUIREMENTS
A. Fabricate and install all duct fittings, branches, inlets, outlets, transitions, take-offs, laterals, offsets, and elbows to minimize air turbulence and resistance and to ensure proper airflows.

B. Extractors and splitter dampers not allowed.

C. Elbows, Transitions, Offsets, Branch Connections, and Other Duct Construction: Select types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and

DUCTWORK 23 3114 - 4
Flexible," Chapters 3 and 4, for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." But:

1. Mitered elbows with turning vanes not permitted, use radius elbows.

2. Radius elbows shall have minimum centerline radius to width or diameter ratio of 1.5. If

1.5 ratio elbows do not fit, use 1.0 radius elbows. Where 1.0 radius elbows do not fit, use square throat elbows with turning vanes.

3. Pleated or adjustable elbows not allowed.

4. No straight taps, branch or lateral take-offs, or connections, all to be expanded or conical, and taken off at an angle < 90° if possible.

5. No bullhead teesfor either diverging or converging flow.

6. For transitions, where the shape of the duct changes, ensure the angle of the side of the transition piece does not exceed 15° from the straight run of duct connected thereto. Where equipment is installed in the ductwork, ensure the angle of the side of the transition piece from the straight run of duct connected thereto does not exceed 15° on the upstream side of the equipment and 22.5° on the downstream side of the equipment.

7. Special duct branch requirements: Where a duct branch handles over 25% of the air transported by the duct main, use a complete 90° increasing elbow, with an inside radius of 0.75 times the duct branch width. Ensure the size of the trailing end of the increasing elbow within the duct main is in the same ratio to the main duct size as the ratio of the relative air quantities being handled. Where a duct branch is to handle 25% or less of the air handled by the duct main, provide a branch connection with an inside radius of 0.75 times the branch duct width, a minimum arc length of 45°, and an outside radius of 1.75 times the duct branch width. Place arc tangent to the duct main.

8. Saddle taps are not allowed on new or existing ducts.

9. See more information and requirements in PART 3 herein.

2.4 SINGLE-WALL RECTANGULAR DUCTS AND FITTINGS
A. General Fabrication Requirements: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" based on indicated static-pressure class unless otherwise indicated. But, duct wall thickness to be minimum 22 gage except where any welding other than longitudinal seams is performed, then the minimum thickness shall be 18 gage, and, no crimp joints allowed.

B. Transverse Joints: Select joint types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-1, "Rectangular Duct/Transverse Joints," for staticpressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible." But, transverse (girth) joints T-4, 9, 17 through 20, and 23 not permitted.

C. Longitudinal Seams: Select seam types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-2, "Rectangular Duct/Longitudinal Seams," for static-pressure class, applicable sealing requirements, materials involved, duct- support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible." But, button punch snaplock seams are not permitted.

2.5 DOUBLE-WALL RECTANGULAR DUCTS AND FITTINGS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

DUCTWORK 23 3114 - 5

1. McGill AirFlow LLC.

2. SEMCO.

B. General Fabrication Requirements: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" based on indicated static-pressure class unless otherwise indicated. Duct wall thickness to be minimum 22 gage except where any welding other than longitudinal seams is performed, then the minimum thickness shall be 18 gage.

C. Contractor Fabricated Ductwork: Ductwork of this section (2.5) may be fabricated by the contractor if it can be demonstrated that it meets or exceeds the performance of the manufacturer's products listed directly above.

D. Rectangular Ducts: Fabricate ducts with indicated dimensions for the inner duct. But, duct wall thicknesses to be minimum 22 gage except where any welding other than longitudinal seams is performed, then the minimum thickness shall be 18 gage.

E. Outer Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" based on indicated static-pressure class unless otherwise indicated.

F. Transverse Joints: Select joint types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-1, "Rectangular Duct/Transverse Joints," for staticpressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible." But, transverse (girth) joints T-4, 9, 17 through 20, and 23 not permitted.

G. Longitudinal Seams: Select seam types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-2, "Rectangular Duct/Longitudinal Seams," for static-pressure class, applicable sealing requirements, materials involved, duct- support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible." But, button punch snaplock seams are not permitted.

H. Interstitial Insulation: Fibrous-glass liner complying with ASTM C 1071, NFPA 90A, or NFPA 90B; and with NAIMA AH124, "Fibrous Glass Duct Liner Standard."

1. Maximum Thermal Conductivity: 0.27 Btu x in./h x sq. ft. x deg F (0.039 W/m x K) at 75 deg F mean temperature.

2. Install spacers that position the inner duct at uniform distance from outer duct without compressing insulation.

3. Coat insulation with antimicrobial coating.

4. Cover insulation with polyester film complying with UL 181, Class 1.

5. Insulation Thickness: See PART 3.

I. Inner Duct: Minimum 0.028-inch thick solid sheet galvanized steel.

J. Formed-on Transverse Joints (Flanges): Select joint types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-1, "Rectangular Duct/Traverse Joints," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." But, transverse (girth) joints T-4, 9, 17 through 20, and 23 not permitted.

DUCTWORK 23 3114 - 6

2.6 SINGLE-WALL ROUND AND FLAT-OVAL DUCTS AND FITTINGS
A. General Fabrication Requirements: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Chapter 3, "Round, Oval, and Flexible Duct," based on indicated static-pressure class unless otherwise indicated but, only spiral seam or fully welded longitudinal seam duct is to be used. And, longitudinal seam ductwork not to be used if exposed.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. McGill AirFlow LLC.
b. SEMCO Incorporated.
c. Spiral Manufacturing Co., Inc.

B. Contractor Fabricated Ductwork: Ductwork of this section (2.6) may be fabricated by the contractor if it can be demonstrated that it meets or exceeds the performance of the manufacturer's products listed directly above.

C. Flat-Oval Ducts: Indicated dimensions are the duct width (major dimension) and diameter of the round sides connecting the flat portions of the duct (minor dimension). SMACNA Type 1 reinforcement (Figure 3-6 of SMACNA's Duct Construction Standards) is not allowed.

D. Transverse Joints: Select joint types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-1, "Round Duct Transverse Joints," for staticpressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." But, no crimp joints allowed.

1. Transverse Joints in Ducts Larger Than 60 Inches in Diameter: Flanged.

E. Longitudinal Seams: Select seam types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-2, "Round Duct Longitudinal Seams," for staticpressure class, applicable sealing requirements, materials involved, duct- support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." But, snaplock seams not allowed.

1. Fabricate round ducts larger than 90 inches in diameter with butt-welded longitudinal seams.

2. Fabricate flat-oval ducts larger than 72 inches in width (major dimension) with buttwelded longitudinal seams.

2.7 DOUBLE-WALL ROUND AND FLAT-OVAL DUCTS AND FITTINGS
A. General Fabrication Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Chapter 3, "Round, Oval, and Flexible Duct," based on indicated static-pressure class unless otherwise indicated but, only spiral seam or fully welded longitudinal seam duct is to be used.

And, longitudinal seam ductwork not to be used if exposed.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

DUCTWORK 23 3114 - 7
a. McGill AirFlow LLC.
b. SEMCO Incorporated.
c. Spiral Manufacturing Co., Inc.

B. Contractor Fabricated Ductwork: Ductwork of this section (2.7) may be fabricated by the contractor if it can be demonstrated that it meets or exceeds the performance of the manufacturer's products listed directly above.

C. Flat-Oval Ducts: Indicated dimensions are the duct width (major dimension) and diameter of the round sides connecting the flat portions of the duct (minor dimension) of the inner duct. SMACNA Type 1 reinforcement (Figure 3-6 of SMACNA's Duct Construction Standards) is not allowed.

D. Outer Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Chapter 3, "Round, Oval, and Flexible Duct," based on static-pressure class unless otherwise indicated.

E. Transverse Joints: Select joint types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-1, "Round Duct Transverse Joints," for staticpressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." And, no crimp joints allowed.

1. Transverse Joints in Ducts Larger Than 60 Inches in Diameter: Flanged.

F. Longitudinal Seams: Select seam types and fabricate according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-2, "Round Duct Longitudinal Seams," for staticpressure class, applicable sealing requirements, materials involved, duct- support intervals, and other provisions in SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible." But, no snaplock seams allowed.

1. Fabricate round ducts larger than 90 inches in diameter with butt-welded longitudinal seams.

2. Fabricate flat-oval ducts larger than 72 inches in width (major dimension) with buttwelded longitudinal seams.

G. Inner Duct: Minimum 0.028-inch thick solid sheet steel. Factory fabricated, insulated round duct to be McGill Airflow, Acoustic K-27, or approved equal by SEMCO or Spiral Manufacturing Co., Inc.

H. Interstitial Insulation: Fibrous-glass liner complying with ASTM C 1071, NFPA 90A, or NFPA 90B; and with NAIMA AH124, "Fibrous Glass Duct Liner Standard."

1. Maximum Thermal Conductivity: 0.27 Btu x in./h x sq. ft. x deg F (0.039 W/m x K) at 75 deg F mean temperature.

2. Install spacers that position the inner duct at uniform distance from outer duct without compressing insulation.

3. Thicknessfor ducts inside the building minimum 1.5", 3" thickness for ducts outside.

2.8 LABORATORY EXHAUST DUCTWORK
A. Ductwork and shall be all welded Type 316 stainless steel, minimum 18 gage.

DUCTWORK 23 3114 - 8

2.9 SHEET METAL MATERIALS
A. General Material Requirements: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Duct wall thickness to be minimum 22 gage except where any welding other than longitudinal seams is performed, then the minimum thickness shall be 18 gage.

B. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

C. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Galvanized Coating Designation: G90 (Z275).

2. Finishesfor Surfaces Exposed to View: Mill phosphatized.

D. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304 or 316 (Type 316 only for Lab exhaust), as indicated in the "Duct Schedule" Article; cold rolled, annealed, sheet. Exposed surface finish shall be No. 2B, No. 2D, No. 3, or No. 4 as indicated in the "Duct Schedule" Article.

E. Aluminum Sheets: Comply with ASTM B 209 (ASTM B 209M) Alloy 3003, H14 temper; with mill finish for concealed ducts, and standard, one-side bright finish for duct surfaces exposed to view.

F. Reinforcement Shapes and Plates for Galvanized Ducts: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

1. Where black and galvanized-steel shapes and plates are used to reinforce aluminum or stainless steel ducts, isolate the different metals with butyl rubber, neoprene, or EPDM gasketmaterials.

G. Tie Rods: Galvanized steel, 1/4-inch minimum diameter for lengths 36 inches or less; 3/8-inch minimum diameter for lengths longer than 36 inches.

2.10 SEALANT AND GASKETS
A. General Sealant and Gasket Requirements: Surface-burning characteristics for sealants and gaskets shall be a maximum flame-spread index of 25 and a maximum smoke-developed index of 50 when tested according to UL 723; certified by an NRTL.

B. Water-Based Joint and Seam Sealant:

1. Application Method: Brush on.

2. Solids Content: Minimum 65 percent.

3. Shore A Hardness: Minimum 20.

4. Water resistant.

5. Mold and mildew resistant.

6. VOC: Maximum 75 g/L (less water).

7. Maximum Static-Pressure Class: 10-inch wg (2500 Pa), positive and negative.

8. Service: Indoor or outdoor.

9. Substrate: Compatible with galvanized sheetsteel (both PVC coated and bare), stainless steel, or aluminum sheets.

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C. Solvent-Based Joint and Seam Sealant:

1. Application Method: Brush on.

2. Base: Synthetic rubber resin.

3. Solvent: Toluene and heptane.

4. Solids Content: Minimum 60 percent.

5. Shore A Hardness: Minimum 60.

6. Water resistant.

7. Mold and mildew resistant.

8. For indoor applications, sealant shall have a VOC content of 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

9. VOC: Maximum 395 g/L.

10. Maximum Static-Pressure Class: 10-inch wg (2500 Pa), positive or negative.

11. Service: Indoor or outdoor.

12. Substrate: Compatible with galvanized sheetsteel (both PVC coated and bare), stainless steel, or aluminum sheets.

D. Flanged Joint (SMACNA Joints T-24, T-25, and proprietary slip-on flanges) Sealant: Comply with ASTM C 920.

1. General: Single-component, acid-curing, silicone, elastomeric.

2. Type: S.

3. Grade: NS.

4. Class: 25.

5. Use: O.

6. For indoor applications, sealant shall have a VOC content of 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

E. Flange Gaskets: Butyl rubber, neoprene, or EPDM polymer with polyisobutylene plasticizer.

F. Pressure Sensitive Tapesfor Primary Sealing of Ducts: Not allowed.

G. Duct Sealer Manufacturers/Products: United Airseal - United Duct Seal, Mon-Eco Industries 44/48, or Foster 32.

H. Lab Exhaust Duct/System Sealant: For any non-welded joints or connections, sealants shall be custom selected for the duty, including proper chemical resistance against whatever is to be transported in the duct system.

2.11 HANGERS AND SUPPORTS
A. Shall be in accordance with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" except non-engineered wire hangers are not permitted. Engineered cable support systems may be used if they meet SMACNA, Ductmate or approved equal.

B. Hanger Rodsfor Noncorrosive Environments: Cadmium-plated steel rods and nuts.

C. Hanger Rods for Corrosive Environments: Electrogalvanized, all-thread rods or galvanized rods with threads painted with zinc-chromate primer after installation.

D. Strap and Rod Sizes: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Table 5-1 (Table 5-1M), "Rectangular Duct Hangers Minimum Size," and Table 5-2, "Minimum Hanger Sizes for Round Duct."

DUCTWORK 23 3114 - 10
E. Steel Cables for Galvanized-Steel Ducts: Galvanized steel complying with ASTM A 603.

F. Steel Cablesfor Stainless-Steel Ducts: Stainless steel complying with ASTM A 492.

G. Steel Cable End Connections: Cadmium-plated steel assemblies with brackets, swivel, and bolts designed for duct hanger service; with an automatic-locking and clamping device.

H. Duct Attachments: Sheet metal screws, blind rivets, or self-tapping metal screws; compatible with duct materials.

I. Trapeze and Riser Supports:

1. Supportsfor Galvanized-Steel Ducts: Galvanized-steelshapes and plates.

2. Supports for Stainless-Steel Ducts: Stainless-steel shapes and plates.

3. Supportsfor Aluminum Ducts: Aluminum or galvanized steel coated with zinc chromate.

PART 3 - EXECUTION

3.1 DUCT INSTALLATION
A. Drawing plans, schematics, and diagrams indicate general location and arrangement of duct system.

Indicated duct locations, configurations, and arrangements were used to size ducts and calculate friction loss for air-handling equipment sizing and for other design considerations. Install duct systems as indicated unless deviations to layout are approved on Shop Drawings and Coordination Drawings.

B. Install ducts according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" unless otherwise indicated.

C. Install round ducts in maximum practical lengths.

D. Install ducts with fewest possible joints.

E. Install factory or shop fabricated fittings for changes in direction, size, and shape and for branch connections.

F. Unless otherwise indicated, install ducts vertically and horizontally, and parallel and perpendicular to building lines.

G. Install ducts close to walls, overhead construction, columns, and other structural and permanent enclosure elements of building.

H. Install ducts with a clearance of 1 inch, plus allowance for insulation thickness.

I. Route ducts to avoid passing through transformer vaults and electrical equipment rooms and enclosures.

J. Where ducts pass through non-fire-rated interior partitions and exterior walls and are exposed to view, cover the opening between the partition and duct or duct insulation with sheet metal flanges of same metal thickness as the duct. Overlap openings on four sides by at least 1-1/2 inches.

DUCTWORK 23 3114 - 11
K. Where ducts pass through fire and/or smoke and/or fire/smoke rated surfaces, install appropriate safety dampers. Comply with requirements in Section 23 3314 "Duct Specialties" for safety dampers.

L. Protect duct interiors from moisture, construction debris and dust, and other foreign materials. Comply with SMACNA's "IAQ Guidelines for Occupied Buildings Under Construction," Appendix G, "Duct Cleanliness for New Construction Guidelines."

3.2 INSTALLATION OF EXPOSED DUCTWORK
A. Protect ducts exposed in finished spaces from being dented, scratched, or damaged.

B. Trim duct sealants flush with metal. Create a smooth and uniform exposed bead. Do not use two-part tape sealing system.

C. Grind welds to provide smooth surface free of burrs, sharp edges, and weld splatter. When welding stainless steel with a No. 3 or 4 finish, grind the welds flush, polish the exposed welds, and treat the welds to remove discoloration caused by welding.

D. Maintain consistency, symmetry, and uniformity in the arrangement and fabrication of fittings, hangers and supports, duct accessories, and air outlets.

E. Repair or replace damaged sections and finished work that does not comply with these requirements.

3.3 ADDITIONAL INSTALLATION REQUIREMENTS FOR COMMERCIAL KITCHEN HOOD

EXHAUST DUCT
A. Install commercial kitchen hood exhaust ducts without dips and traps that may hold grease, and sloped a minimum of 2 percent to drain grease back to the hood.

B. Install fire-rated access panel assemblies at each change in direction and at maximum intervals of 10 feet in horizontal ducts, and at every floor for vertical ducts, or as indicated on Drawings.

C. Install access openings at each change in direction and at intervals defined by NFPA 96; locate on sides of duct a minimum of 1-1/2 inches from bottom; and fit with grease-tight fire rated covers of same material as duct.

D. Do not penetrate fire-rated assemblies except as allowed by applicable building codes and authorities having jurisdiction.

3.4 DUCT SEALING AND CONTAMINATION PROTECTION
A. Contamination Protection: Ductwork shall be sealed at the point of fabrication/manufacture, and remain sealed until installed. Ductwork must be sealed at all times, even if being worked on. Seals can be removed only during immediate installation and must be restored immediately upon non-work activity. Ductwork being worked on shall be sealed at the end of each work day.

B. Seal ducts for duct static-pressure, seal classes, and leakage classes specified in "Duct Schedule" Article according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible."

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C. Seal all ducts to Seal Class A according to SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible."

3.5 HANGER AND SUPPORT INSTALLATION
A. Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Chapter 5, "Hangers and Supports."
B. Building Attachments: Concrete inserts, powder-actuated fasteners, or structural-steel fasteners appropriate for construction materials to which hangers are being attached.

1. Where practical, install concrete inserts before placing concrete.

2. Install powder-actuated concrete fasteners after concrete is placed and completely cured.

3. Use powder-actuated concrete fasteners for standard-weight aggregate concretes or for slabs more than 4 inches thick.

4. Do not use powder-actuated concrete fastenersfor lightweight-aggregate concretes or for slabs less than 4 inches thick.

5. Do not use powder-actuated concrete fasteners for seismic restraints.

C. Hanger Spacing: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Table 5-1 (Table 5-1M), "Rectangular Duct Hangers Minimum Size," and Table 5- 2, "Minimum Hanger Sizes for Round Duct," for maximum hanger spacing; install hangers and supports within 24 inches of each elbow and within 48 inches of each branch intersection.

D. Hangers Exposed to View: Threaded rod and angle or channelsupports.

E. Support vertical ducts with steel angles or channel secured to the sides of the duct with welds, bolts, sheet metal screws, or blind rivets; support at each floor and at a maximum intervals of 16 feet.

F. Install upper attachments to structures. Select and size upper attachments with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

3.6 CONNECTIONS
A. Make connections to equipment with flexible connectors complying with Section 23 3314 "Duct Specialties."
B. Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible" for branch, outlet and inlet, and terminal unit connections, and see drawings/details.

3.7 PAINTING
A. Prime and paint interior of metal ducts that are visible through registers and grilles and that do not have duct liner. Apply one coat of flat, black, latex paint over a compatible galvanized-steel primer.

3.8 FIELD QUALITY CONTROL
A. Perform tests and inspections.

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B. Leakage Tests:

1. Leakage tests shall be conducted in accordance with 1985, 1st Edition, of SMACNA's "HVAC Air Duct Leakage Test Manual," Sections 3 and 5. Positive pressure ductwork to be tested under positive pressure. Negative pressure ductwork to be tested under positive and negative pressure.

Submit a test report for each test.

2. Test the following systems:
a. Supply Ducts with a Pressure Class of 3-Inch wg (750 Pa) or Higher: Test representative duct sections, selected by Engineer from sections installed, totaling no less than 50 percent of total installed duct area for each designated pressure class. b. All Lab exhaust ductwork.

3. Leakage teststo be witnessed by the University.

4. Disassemble, reassemble, and seal segments of systems to accommodate leakage testing and for compliance with test requirements.

5. Test for leaks before applying external insulation and before ducts are concealed.

6. Conduct tests atstatic pressures equal to maximum design pressure of system or section being tested.

If static-pressure classes are not indicated, test system at maximum system design pressure.

Do not pressurize systems above maximum design operating pressure.

7. Give seven days' advance notice for testing.

8. Leakage shall not exceed the valuesin the following Table 23-3114-3:

Table 23-3114-3 – Allowable Leakage Rates, cfm/100 ft2 Surface Area Location Test Pressure
in. wg
Rectangular
Ductwork
Round Ductwork Flat Oval
Ductwork
Low Pressure
Ductworka
2 9.4 4.7 4.7
All Other
Ductworkb
4 14.8 7.4 7.4
a. Supply Ductwork: Ductwork downstream of VAV/CAV Terminals, Return Ductwork:

Ductwork upstream of VAV/CAV Terminals.
b.Supply, Return, and Exhaust Ductwork
C. Duct System Cleanliness Tests:

1. Visually inspect ductsystem to ensure that no visible contaminants are present.

2. Test sections of metal duct system, chosen randomly by Owner, for cleanliness according to "Vacuum Test" in NADCA ACR, "Assessment, Cleaning and Restoration of HVAC Systems." a. Acceptable Cleanliness Level: Net weight of debris collected on the filter media shall not exceed 0.75 mg/100 sq. cm.

D. Ductsystem will be considered defective if it does not passtests and inspections.

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E. Prepare test and inspection reports.

3.9 DUCT CLEANING
A. Clean new duct system(s) before testing, adjusting, and balancing.

B. Clean existing ducts 10' each direction which become open due to equipment or duct removal, and clean before testing, adjusting, and balancing.

C. Use service openingsfor entry and inspection.

1. Create new openings and install access panels appropriate for duct static-pressure class if required for cleaning access. Provide insulated panels for insulated or lined duct. Patch insulation and liner as recommended by duct liner manufacturer. Comply with Section 23 3314 "Duct Specialties" for access panels and doors.

2. Disconnect and reconnect flexible ducts as needed for cleaning and inspection.

3. Remove and reinstall ceiling to gain access during the cleaning process.

D. Particulate Collection and Odor Control:

1. When venting vacuuming system inside the building, use HEPA filtration with 99.97 percent collection efficiency for 0.3-micron-size (or larger) particles.

2. When venting vacuuming system to outdoors, use filter to collect debris removed from HVAC system, and locate exhaust downwind and away from air intakes and other points of entry into building.

E. Clean the following components by removing surface contaminants and deposits:

1. Air outlets and inlets (registers, grilles, and diffusers).

2. Supply, return, and exhaust fans including fan housings, plenums, scrolls, blades or vanes, shafts, baffles, dampers, and drive assemblies.

3. Air-handling unit internal surfaces and components including mixing box, coil section, condensate drain pans, humidifiers, filters and filter sections, and condensate collectors and drains.

4. Coils and related components.

5. Return-air ducts, dampers, actuators, and turning vanes except in ceiling plenums and mechanical equipment rooms.

6. Supply-air ducts, dampers, actuators, and turning vanes.

F. Mechanical Cleaning Methodology:

1. Clean metal duct systems using mechanical cleaning methods that extract contaminants from within duct systems and remove contaminants from building.

2. Use vacuum-collection devices that are operated continuously during cleaning. Connect vacuum device to downstream end of duct sections so areas being cleaned are under negative pressure.

3. Use mechanical agitation to dislodge debris adhered to interior duct surfaces without damaging integrity of metal ducts, duct liner, or duct accessories.

4. Clean fibrous-glass duct liner with HEPA vacuuming equipment; do not permit duct liner to get wet. Replace fibrous-glass duct liner that is damaged, deteriorated, or delaminated or that has friable material, mold, or fungus growth.

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5. Clean coils and coil drain pans according to NADCA 1992. Keep drain pan operational. Rinse coils with clean water to remove latent residues and cleaning materials; comb and straighten fins.

6. Provide drainage and cleanup for wash-down procedures.

7. Antimicrobial Agents and Coatings: Apply EPA-registered antimicrobial agents if fungus is present. Apply antimicrobial agents according to manufacturer's written instructions after removal of surface deposits and debris.

3.10 START UP
A. Air Balance: Comply with project TAB requirements.

3.11 DUCT SCHEDULE AND OTHER REQUIREMENTS
A. Fabricate ducts with galvanized sheet steel unless called for as another material on drawings, or if Lab exhaust, dishwasher exhaust, and any other high humidity applications or areas, ducting to be stainless steel, sloped, and drained.

B. For outdoor ducts exposed to wind forces, anchor and brace as required.

C. Flat-oval ductsshall not be used for exhaust.

D. Fabricate underground ducts with galvanized sheet steel except as otherwise indicated and as follows:

1. Underground Ducts: Concrete-encased, [galvanized sheet steel] [PVC-coated, galvanized sheet steel with thicker coating on duct exterior] [stainless steel].

2. <Insertrequirements>.

E. Supply Ducts:

1. Ducts Connected to Fan Coil Units, Furnaces, Heat Pumps, and Terminal Units:
a. Pressure Class: Positive 2-inch wg (500 Pa).
b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 12.
d. SMACNA Leakage Class for Round and Flat Oval: 12.

2. Ducts Connected to Constant-Volume Air-Handling Units <Insert equipment>:
a. Pressure Class: Positive 3-inch wg (750 Pa) <Insert value>. b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

3. Ducts Connected to Variable-Air-Volume Air-Handling Units <Insert equipment>:
a. Pressure Class: Positive 4-inch wg (1000 Pa) <Insert value>. b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 3.
d. SMACNA Leakage Class for Round and Flat Oval: 3.

4. Ducts Connected to Equipment Not Listed Above:

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a. Pressure Class: Positive 2-inch wg (500 Pa) <Insert value>. b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

F. Return Ducts:

1. Ducts Connected to Fan Coil Units, Furnaces, Heat Pumps, and Terminal Units <Insert equipment>:
a. Pressure Class: Positive or negative 2-inch wg (500 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 12.
d. SMACNA Leakage Class for Round and Flat Oval: 12.

2. Ducts Connected to Air-Handling Units <Insert equipment>:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

3. Ducts Connected to Equipment Not Listed Above:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

G. Exhaust Ducts:

1. Ducts Connected to Fans Exhausting (ASHRAE 62.1, Class 1 and 2) Air:
a. Pressure Class: Negative 3-inch wg (750 Pa).
b. Minimum SMACNA Seal Class: A if negative pressure, and A if positive pressure. c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

2. Ducts Connected to Air-Handling Units <Insert equipment>:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A if negative pressure, and A if positive pressure. c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

3. Ducts Connected to Commercial Kitchen Hoods: Comply with NFPA 96. a. Exposed to View: Type 304, stainless-steel sheet, No. 4 finish. b. Concealed: Carbon-steel sheet.
c. Welded seams and joints.
d. Pressure Class: Positive or negative 3-inch wg (750 Pa). e. Minimum SMACNA Seal Class: Welded seams, joints, and penetrations. f. SMACNA Leakage Class: 3.

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4. Ducts Connected to Dishwasher Hoods:
a. Type 304, stainless-steel sheet.
b. Exposed to View: No. 4 finish.
c. Concealed: No. 2D finish.
d. Welded seams and flanged joints with watertight EPDM gaskets. e. Pressure Class: Positive or negative 3-inch wg (750 Pa). f. Minimum SMACNA Seal Class: Welded seams, joints, and penetrations. g. SMACNA Leakage Class: 3.

5. Ducts Connected to Fans Exhausting Laboratory and Process (ASHRAE 62.1, Class 3 and 4) Air:
a. Type 316, stainless-steel sheet.
1) Exposed to View: No. 4.
2) Concealed: No. 2B finish.
b. Pressure Class: Positive or negative 4-inch wg (1000 Pa). c. Minimum SMACNA Seal Class: A, Welded seams, joints, and penetrations. d. SMACNA Leakage Class: 3.

6. Ducts Connected to Equipment Not Listed Above:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A if negative pressure, and A if positive pressure. c. SMACNA Leakage Class for Rectangular: 3.
d. SMACNA Leakage Class for Round and Flat Oval: 3.

H. Outdoor-Air (Not Filtered, Heated, or Cooled) Ducts:

1. Ducts Connected to Fan Coil Units, Furnaces, Heat Pumps, and Terminal Units <Insert equipment>:
a. Pressure Class: Positive or negative 2-inch wg (500 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 3.

2. Ducts Connected to Air-Handling Units <Insert equipment>:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 3.

3. Ducts Connected to Equipment Not Listed Above:
a. Pressure Class: Positive or negative 3-inch wg (750 Pa). b. Minimum SMACNA Seal Class: A.
c. SMACNA Leakage Class for Rectangular: 6.
d. SMACNA Leakage Class for Round and Flat Oval: 6.

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I. IntermediateReinforcement:

1. Galvanized-Steel Ducts: Galvanized steel.

2. PVC-Coated Ducts:
a. Exposed to Airstream: Match duct material.
b. Not Exposed to Airstream: Match duct material.

3. Stainless-Steel Ducts:
a. Exposed to Airstream: Match duct material.
b. Not Exposed to Airstream: Match duct material.

4. Aluminum Ducts: Aluminum.

J. Double-Wall Duct Interstitial Insulation:

1. Supply Air Ducts: 2 inches(51 mm) thick.

2. Return Air Ducts: 2 inches(51 mm) thick.

3. Exhaust Air Ducts: 2 inches (51 mm) thick.

K. Elbow Configurations To Be Use, Unless More Stringent Requirements Are Required Per PART 2 of This Section:

1. Rectangular Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-2, "Rectangular Elbows."
a. Velocity 1000 fpm (5 m/s) or Lower:
1) Radius Type RE 1 with minimum 1.5 radius-to-diameter ratio. 2) Mitered Type RE 4 without vanes.
b. Velocity 1000 to 1500 fpm (5 to 7.6 m/s):
1) Radius Type RE 1 with minimum 1.5 radius-to-diameter ratio. 2) Radius Type RE 3 with minimum 1.5 radius-to-diameter ratio and two vanes. 3) Mitered Type RE 2 with vanes complying with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-3, "Vanes and Vane Runners," and Figure 4-4, "Vane Support in Elbows."
c. Velocity 1500 fpm (7.6 m/s) or Higher:
1) Radius Type RE 1 with minimum 1.5 radius-to-diameter ratio. 2) Radius Type RE 3 with minimum 1.5 radius-to-diameter ratio and two vanes. 3) Mitered Type RE 2 with vanes complying with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-3, "Vanes and Vane Runners," and Figure 4-4, "Vane Support in Elbows."

2. Rectangular Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-2, "Rectangular Elbows."
a. Radius Type RE 1 with minimum 1.5 radius-to-diameter ratio. b. Radius Type RE 3 with minimum 1.5 radius-to-diameter ratio and two vanes.

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c. Mitered Type RE 2 with vanes complying with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-3, "Vanes and Vane Runners," and Figure 4-4, "Vane Support in Elbows."

3. Round Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-4, "Round Duct Elbows."
a. Minimum Radius-to-Diameter Ratio and Elbow Segments: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Table 3-1, "Mitered Elbows." Elbows with less than 90-degree change of direction have proportionately fewer segments. 1) Velocity 1000 fpm (5 m/s) or Lower: 1.5 radius-to-diameter ratio and three segments for 90-degree elbow.
2) Velocity 1000 to 1500 fpm (5 to 7.6 m/s): 1.5 radius-to-diameter ratio and four segments for 90-degree elbow.
3) Velocity 1500 fpm (7.6 m/s) or Higher: 1.5 radius-to-diameter ratio and five segments for 90-degree elbow.
4) Radius-to Diameter Ratio: 1.5.
b. Round Elbows, 12 Inches(305 mm) and Smaller in Diameter: Stamped. c. Round Elbows, 14 Inches (356 mm) and Larger in Diameter: Welded.

L. Branch Configurations To Be Use, Unless More Stringent Requirements Are Required Per PART 2 of This Section:

1. Rectangular Duct: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 4-6, "Branch Connection."
a. Rectangular Main to Rectangular Branch: 45-degree entry. b. Rectangular Main to Round Branch: 45-degree entry and transition.

2. Round and Flat Oval: Comply with SMACNA's 2005 "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-5, "90 Degree Tees and Laterals," and Figure 3-6, "Conical Tees." a. Velocity 1000 fpm (5 m/s) or Lower: 90-degree tap, conical. b. Velocity 1000 to 1500 fpm (5 to 7.6 m/s): Conical tap. c. Velocity 1500 fpm (7.6 m/s) or Higher: 45-degree lateral.

END OF SECTION 23 3113

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SECTION 23 3314 - DUCTWORK SPECIALTIES
PART 1 - GENERAL

1.1 SUMMARY
A. Section Includes:

1. Backdraft and pressure relief dampers.

2. Manual volume dampers.

3. Fire dampers.

4. Smoke dampers.

5. Combination fire/smoke dampers.

6. Flange connectors.

7. Turning vanes.

8. Duct-mounted access doors and panels.

9. Flexible connectors.

10. Flexible ducts.

11. Duct accessory hardware.

12. Louvers.

13. Duct Sound Attenuators.

1.2 SUBMITTALS
A. Product and Technical Data: For each type of product indicated, including (but not limited to) installation requirements, dimensions, color charts and water penetration data for louvers, wiring diagrams, dynamic insertion loss and self-noise data for attenuators, and air pressure drop information.

B. [LEED Submittals:

1. Product Data for Prerequisite EQ 1: Documentation indicating that units comply with ASHRAE 62.1-2007, Section 5 - "Systems and Equipment."

2. Any data that can be used for recycled content and regional materials credits.] C. Operation and maintenance data.

D. Northwestern University Maintenance Requirement Forms, see Division 01.

1.3 QUALITY ASSURANCE
A. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilating Systems," and with NFPA 90B, "Installation of Warm Air Heating and Air Conditioning Systems." B. Comply with AMCA 500-D testing for damper rating, and with AMCA 500-L for louver performance.

C. For louver finishes, comply with applicable SSPC and AAMA requirements.

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D. For duct sound attenuators, they shall be tested in accordance with ASTM E-477-99 silencer test standard in a certified test facility which is NVLAP accredited for the testing.

1.4 SPECIAL WARRANTIES
A. Five (5) years, see Division 01.

PART 2 - PRODUCTS

2.1 MATERIALS
A. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

B. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Exposed-Surface Finish: Mill phosphatized.

C. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304 except for Lab exhaust, which shall be Type 316.

D. Aluminum Sheets: Comply with ASTM B 209, Alloy 3003, Temper H14; with mill finish for concealed ducts and standard, 1-side bright finish for exposed ducts.

E. Extruded Aluminum: Comply with ASTM B 221, Alloy 6063, Temper T6, except for louvers, which are to be Temper T5.

F. Reinforcement Shapes and Plates: Galvanized-steel reinforcement where installed on galvanized sheet metal ducts; compatible materials for aluminum and stainless-steel ducts.

G. Tie Rods: Galvanized steel, 1/4-inch minimum diameter for lengths 36 inches or less; 3/8-inch minimum diameter for lengths longer than 36 inches.

2.2 DAMPERS – BACKDRAFT, VOLUME, FIRE, SMOKE, FIRE/SMOKE A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Air Balance.

2. Cesco.

3. Greenheck Fan Corporation.

4. Nailor Industries Inc.

5. Prefco (Basis of Design)

6. Ruskin Company.

2.3 BACKDRAFT AND PRESSURE RELIEF DAMPERS
A. Description: Gravity balanced.

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B. Maximum Air Velocity: 3000 fpm.

C. Maximum System Pressure: 2-inch wg.

D. Frame: 0.052-inch- thick, galvanized sheetsteel, with welded corners.

E. Blades: Multiple single-piece blades, maximum 6-inch width with sealed edges.

F. Blade Action: Parallel.

G. Return Spring: Adjustable tension.

H. Bearings: Provide end bearings on all dampers. On multiple blade dampers bearing shall be oilimpregnated nylon or sintered bronze.

I. Accessories:

1. Adjustment device to permit setting for varying differential static pressure.

2. Counterweights and spring-assist kits for vertical airflow installations.

3. Electric actuators.

4. Chain pulls.

5. Screen Material: Galvanized steel.

6. Screen Type: Bird.

7. 90-degree stops.

2.4 MANUAL VOLUME DAMPERS

1. Show dampers on Drawings.

2. Damper and blade material to match ductwork material

3. Standard leakage rating.

4. Suitable for horizontal or vertical applications.

5. Frames:
a. Hat-shaped, galvanized-steel channels, 0.064-inch minimum thickness. b. Mitered and welded corners.
c. Flanges for attaching to walls and flangeless frames for installing in ducts.

6. Blades:
a. Rectangular dampers shall be single blade type in ducts up to 11" high and shall be opposed blade type in ducts 12" high and above.
b. Round dampers shall be single blade type.
c. Stiffen damper blades for stability.

7. Provide end bearings on all dampers. On multiple blade dampers bearing shall be oilimpregnated nylon or sintered bronze.

8. Provide locking indicating quadrant regulators on all dampers. Where rod lengths exceed 30- inches, provide a regulator at both ends.

9. On insulated ducts mount quadrant regulators on stand-off mounting brackets, bases, or adapters.

10. Jackshaft:
a. Size: 1-inch diameter.

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b. Material: Galvanized-steel pipe rotating within pipe-bearing assembly mounted on supports at each mullion and at each end of multiple-damper assemblies. c. Length and Number of Mountings: As required to connect linkage of each damper in multiple-damper assembly.

11. Damper Hardware:
a. Zinc-plated, die-cast core with dial and handle made of 3/32-inch- thick zinc-plated steel, and a 3/4-inch hexagon locking nut.
b. Include center hole to suit damper operating-rod size. c. Include elevated platform for insulated duct mounting.

2.5 FIRE DAMPERS
A. Fire dampers shall be dynamic, multiple airfoil blade type (not curtain type) with integral wall sleeve, constructed in accordance with UL Standard 555.

B. Closing rating in ducts up to 8-inch wg static pressure class and minimum 4000-fpm velocity.

C. Dampers shall be for horizontal or vertical mounting and shall be of sizes shown on the drawings.

D. Dampers shall have 1-1/2 or 3 hour rating as shown on drawings, replaceable 212 degree F fusible link, and access panels (with UL 181 rated viewports), for installation on both sides of damper.

2.6 SMOKE DAMPERS
A. General Requirements: Label according to UL 555S by an NRTL.

B. Smoke Detector: Integral, factory wired for single-point connection.

C. Frame: Multiple blade type (not curtain type); fabricated with roll-formed, 0.034-inch- thick galvanized steel; with mitered and interlocking corners.

D. Blades: Airfoil, multiple.

E. Leakage: Class III, and, all seals to be metal-to-metal.

F. Rated pressure and velocity to exceed design airflow conditions, and dampers to be rated for 4,000 fpm and 8" pressure minimum.

G. Mounting Sleeve: Factory-installed, 0.052-inch- thick, galvanized sheet steel; length to suit wall or floor application with factory-furnished silicone calking.

H. Damper Motors: [Modulating] [or] [two-position] action, electric.

I. Comply with NEMA designation, temperature rating, service factor, enclosure type, and efficiency requirements for motors specified in Division 23 Section "Motors."

1. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load will not require motor to operate in service factor range above 1.0.

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2. Controllers, Electrical Devices, and Wiring: Comply with requirements for electrical devices and connections specified in [Division 25 Section "Integrated Automation."] [Division 26 Sections.]

3. Permanent-Split-Capacitor or Shaded-Pole Motors: With oil-immersed and sealed gear trains.

4. Spring-Return Motors: Equip with an integral spiral-spring mechanism where indicated. Enclose entire spring mechanism in a removable housing designed for service or adjustments. Size for running torque rating of 150 in. x lbf and breakaway torque rating of 150 in. x lbf.

5. Outdoor Motors and Motors in Outdoor-Air Intakes: Equip with O-ring gaskets designed to make motors weatherproof. Equip motors with internal heaters to permit normal operation at minus 40 deg F.

6. Nonspring-Return Motors: For dampers larger than 25 sq. ft., size motor for running torque rating of 150 in. x lbf and breakaway torque rating of 300 in. x lbf.

7. Electrical Connection: 115 V,single phase, 60 Hz.

J. Dampers shall be supplied/installed with access panels (with UL 181 rated viewports), for installation on both sides of damper.

K. Accessories:

1. Auxiliary switches for [signaling] [fan control] [or] [position indication].

2. [Momentary test switch] [Test and reset switches], [damper] [remote] mounted.

2.7 COMBINATION FIRE/SMOKE DAMPERS
A. Type: Dynamic; rated and labeled according to UL 555 and UL 555S by an NRTL, multiple blade, not curtain type. Basis of Design Prefco Model 5010.

B. Closing rating in ducts up to 4-inch wg (1-kPa) static pressure class and minimum 4000-fpm velocity.

C. Fire Rating: 3 hours.

D. Frame: Hat-shaped, 0.094-inch- (2.4-mm-) thick, galvanized sheet steel, with welded or mechanically attached corners and mounting flange.

E. Heat-Responsive Device: Reusable electric "McCabe™" link, with an external manual reset lever (see drawing details). The releasing device shall be 24Vdc in compliance with UL 873. The resettable link shall be 280°F, and UL 33 listed.

F. Smoke Detector: Furnished by electrical.

G. Blades: Roll-formed, horizontal, interlocking, minimum 0.034-inch- thick, galvanized sheet steel.

H. Leakage: Class I
I. Rated pressure and velocity to exceed design airflow conditions.

J. Mounting Sleeve: Factory-installed, minimum 0.05-inch- (1.3-mm-) thick, galvanized sheet steel; length to suit wall or floor application with factory-furnished silicone calking.

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K. Master control panel for use in dynamic smoke-managementsystems.

L. Damper Motors: two-position action.

M. Comply with NEMA designation, temperature rating, service factor, enclosure type, and efficiency requirements for motors specified in Section 23 0513 "Common Motor Requirements for HVAC Equipment."

1. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load will not require motor to operate in service factor range above 1.0.

2. Controllers, Electrical Devices, and Wiring: Comply with requirements for electrical devices and connections specified in Division 25.

3. Permanent-Split-Capacitor or Shaded-Pole Motors: With oil-immersed and sealed gear trains.

4. Spring-Return Motors: Equip with an integral spiral-spring mechanism where indicated. Enclose entire spring mechanism in a removable housing designed for service or adjustments. Size for running torque rating of 150 in. x lbf (17 N x m) and breakaway torque rating of 150 in. x lbf (17 N x m).

5. Outdoor Motors and Motors in Outdoor-Air Intakes: Equip with O-ring gaskets designed to make motors weatherproof. Equip motors with internal heaters to permit normal operation at minus 40 deg F (minus 40 deg C).

6. Non-spring-Return Motors: For dampers larger than 25 sq. ft. (2.3 sq. m), size motor for running torque rating of 150 in. x lbf (17 N x m) and breakaway torque rating of 300 in. x lbf (34 N x m).

7. Electrical Connection: 24 or 115 V as called for by control systems specifications, sequences, or on drawings, and as required, single phase, 60 Hz, and as coordinated with electrical contractor.

N. Accessories:

1. Auxiliary switches for signaling or position indication.

2. Test and reset switches, remote mounted.

3. Access panels(with UL 181 rated viewports), for installation on both sides of damper.

4. Other asrequired.

2.8 FLANGECONNECTORS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Ductmate Industries, Inc.

2. Nexus PDQ; Division of Shilco HoldingsInc.

3. Ward Industries, Inc.; a division of Hart & Cooley, Inc.

B. Description: Factory-fabricated, slide-on transverse flange connectors, gaskets, and components.

C. Material: Galvanized steel.

D. Gage and Shape: Match connecting ductwork.

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2.9 TURNING VANES
A. General Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible"; Figures 2-3, "Vanes and Vane Runners," and 2-4, "Vane Support in Elbows." B. Vane Construction: Single wall for ducts up to 48 inches wide and double wall for larger dimensions.

2.10 DUCT-MOUNTED ACCESS DOORS
A. Duct-Mounted Access Doors: Fabricate access panels according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible"; Figures 2-10, "Duct Access Doors and Panels," and 2-11, "Access Panels - Round Duct."

1. Door:
a. Double wall, rectangular, and 24" x 24" or as close to 24" x 24" as possible. b. Galvanized sheet metal with insulation fill and thickness as indicated for duct pressure class.
c. Hinges and Latches: 1-by-1-inch butt or piano hinge and cam latches. d. Fabricate doors airtight and suitable for duct pressure class.

2. Frame: Galvanized sheetsteel, with bend-over tabs and foam gaskets.

3. Number of Hinges and Locks:
a. Access Doors Less Than 12 Inches Square: No hinges and two sash locks. b. Access Doors up to 18 Inches Square: Two hinges and two sash locks. c. Access Doors up to 24 by 48 Inches: Three hinges and two compression latches

2.11 DUCT ACCESS PANEL ASSEMBLIES
A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Ductmate Industries, Inc.

2. Flame Gard, Inc.

3. 3M.

B. Labeled according to UL 1978 by an NRTL.

C. Panel and Frame: Minimum thickness 0.0428-inch stainlesssteel.

D. Fasteners: Stainlesssteel. Panel fastenersshall not penetrate duct wall.

E. Gasket: Comply with NFPA 96; grease-tight, high-temperature ceramic fiber, rated for minimum 2000 deg F.

F. Minimum Pressure Rating: 10-inch wg, positive or negative.

2.12 FLEXIBLECONNECTORS
A. Manufacturer: Ventfabrics, Model Ventglas.

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B. Materials: Flame-retardant or non-combustible fabrics.

C. Coatings and Adhesives: Comply with UL 181, Class 1.

D. Materialshall be crimped into a metal edging strip and shall be approximately 3 inches wide.

E. Indoor System, Flexible Connector Fabric: Minimum 0.024 " thick glass fabric double coated with neoprene.

1. Minimum Weight: 30 oz./sq. yd..

2. Tensile Strength: Minimum 480 lbf/inch in the warp and 360 lbf/inch in the filling.

3. Service Temperature: Minus 40 to plus 200 deg F.

F. Outdoor System, Flexible Connector Fabric: Minimum 0.024" thick glass fabric double coated with weatherproof, synthetic rubber resistant to UV rays and ozone.

1. Minimum Weight: 30 oz./sq. yd..

2. Minimum Tensile Strength: 500 lbf/inch in the warp and 440 lbf/inch in the filling.

3. Service Temperature: Minus 50 to plus 250 deg F.

2.13 FLEXIBLE DUCTS
A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Casco.

2. Flexmaster U.S.A., Inc., Type 6.

3. Thermaflex, Model M-KE.

B. Non-insulated, Flexible Duct: UL 181, Class 1, 2-ply vinyl film supported by helically wound, spring-steel wire.

1. Pressure Rating: 10-inch wg positive and 1.0-inch wg negative.

2. Maximum Air Velocity: 4000 fpm.

3. Temperature Range: Minus 10 to plus 160 deg F.

C. Insulated, Flexible Duct: UL 181, Class 1, black polymer film supported by helically wound, springsteel wire; fibrous-glass insulation; fire resistive vapor-barrier film.

1. Pressure Rating: 4-inch wg positive and 0.5-inch wg negative.

2. Maximum Air Velocity: 4000 fpm.

3. Temperature Range: Minus 20 to plus 175 deg F.

4. Insulation R-Value: Comply with ASHRAE/IESNA 90.1-2007.

D. Insulated, Flexible Duct: UL 181, Class 1, multiple layers of aluminum laminate supported by helically wound, spring-steel wire; fibrous-glass insulation; fire resistive vapor-barrier film.

1. Pressure Rating: 10-inch wg positive and 1.0-inch wg negative.

2. Maximum Air Velocity: 4000 fpm.

3. Temperature Range: Minus 20 to plus 210 deg F.

4. Insulation R-value: Comply with ASHRAE/IESNA 90.1-2007.

E. Flexible Duct Securement:

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1. Clamps: Stainless-steel band with hex screw to tighten band with a worm-gear action or Nylon strap in sizes 3 through 18 inches, to suit duct size.

2.14 DUCT ACCESSORY HARDWARE
A. Instrument Test Holes: Cast iron or cast aluminum to suit duct material, including screw cap and gasket.

Size to allow insertion of pitot tube and other testing instruments and of length to suit duct-insulation thickness.

B. Adhesives: High strength, quick setting, neoprene based, waterproof, and resistant to gasoline and grease.

2.15 LOUVERS
A. Horizontal, Drainable-Blade Louvers:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Air Balance Inc.; a division of MESTEK, Inc.
b. Airolite Company, LLC (The), Basis of Design, Model K6856. c. Cesco Products; a divsion of MESTEK, Inc.
d. Greenheck Fan Corporation.
e. Ruskin Company.

2. Louver Depth, Blade Angle, and Free Area: 6 inch depth, blades at 45° angle, and minimum free area of 49.4%.

3. Frame and Blade Materials of Construction and Nominal Thickness: Not less than 0.081 inch, and constructed of ASTM B221 aluminum extrusions, Alloy 6063-T5.

4. Fabrication: Welded.

5. Frame Type: XXXXXXXXX

6. Sill Type: Extended.

7. Mullion Type: Exposed.

8. Sleeve: Minimum 16 gage galvanized steel, by contractor.

9. Size and performance data: See schedules/drawings.

10. Finish: 2-coat, oven cured Kynar 500, 2.0 mils dry film coating thickness per AAMA 2605.

11. Louver Performance Ratings:
a. Free Area: Not less than 7.9 sq. ft. for 48-inch wide by 48-inch high louver. b. Point of Beginning Water Penetration: Not less than 1065 fpm. c. Air Performance: Not more than 0.072-inch wg static pressure drop at 700-fpm freearea intake velocity. d. Air Performance: Not more than 0.17-inch wg static pressure drop at 1000-fpm freearea exhaust velocity.

12. Wind Loads: Determine loads based on a uniform pressure of XX lbf/sq. ft. based upon project structural wind values and other data, acting inward or outward.

13. AMCA Seal: Mark units with AMCA Certified Ratings Seal.

14. Screens: 1/2" aluminum birdscreen finished same as louver, located XXXXX.

15. Insulated Blank-off Panels: XXXXXXXXXXXXX.

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2.16 DUCT SOUND ATTENUATORS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Aerocoustic.

2. Aerosonics.

3. Commercial Acoustics, Metalform Corp.

4. Industrial Acoustics.

5. McGill AirFlow LLC.

6. Pottorff/Dynasonics.

7. Ruskin Sound..

8. Semco.

9. Vibro-Acoustics.

B. GeneralRequirements:

1. Factory fabricated.

2. Fire-Performance Characteristics: Adhesives, sealants, packing materials, and accessory materials shall have flame-spread index not exceeding 25 and smoke- developed index not exceeding 50 when tested according to ASTM E 84.

3. Airstream Surfaces: Surfaces in contact with the airstream shall comply with requirements in ASHRAE 62.1.

C. Shape:

1. Rectangular straight with splitters or baffles.

2. Round straight with center bodies or pods.

3. Rectangular elbow with splitters or baffles.

4. Round elbow with center bodies or pods.

5. Rectangular transitional with splitters or baffles.

D. Rectangular Silencer Outer Casing: ASTM A 653/A 653M, G90 (Z275) galvanized sheet steel minimum 22 ga.

E. Round Silencer Outer Casing: ASTM A 653/A 653M, G90 (Z275) galvanized sheet steel.

1. Sheet Metal Thickness for Units up to 24 Inches (600 mm) in Diameter: 0.034 inch (0.85 mm) thick.

2. Sheet Metal Thickness for Units 26 through 40 Inches (660 through 1000 mm) in Diameter: 0.040 inch (1.02 mm) thick.

3. Sheet Metal Thickness for Units 42 through 52 Inches (1060 through 1300 mm) in Diameter: 0.05 inch (1.3 mm) thick.

4. Sheet Metal Thickness for Units 54 through 60 Inches (1370 through 1500 mm) in Diameter: 0.064 inch (1.62 mm) thick.

F. Inner Casing and Baffles: ASTM A 653/A 653M, [G90 (Z275)] [G60 (Z180)] galvanized sheet metal,

0.034 inch (0.85 mm) thick, and with 1/8-inch- (3-mm-) diameter perforations.

G. Special Construction:

1. Suitable for outdoor use.

2. High transmission lossto achieve STC XX

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H. Connection Sizes: Match connecting ductwork unless otherwise indicated.

I. Principal Sound-Absorbing Mechanism:

1. [Select type from 1 and 2]
a. Reactive type (No Media) Controlled impedance membranes and broadly tuned resonators without absorptive media.
b. Dissipative Film-lined type with fill material for Hospital use. 1) Fill Material: Inert and vermin-proof fibrous material 2) Erosion Barrier: Polymer bag enclosing fill, and heat sealed before assembly.
3) Lining : Mylar film
J. Fabricate silencers to form rigid units that will not pulsate, vibrate, rattle, or otherwise react to system pressure variations. Do not use mechanical fasteners for unit assemblies.

1. Joints:slip or flanged connections.

2. Suspended Units: Factory-installed suspension hooks or lugs attached to frame in quantities and spaced to prevent deflection or distortion.

3. Reinforcement: Cross or trapeze anglesfor rigid suspension.

K. Accessories:

1. Factory-installed end caps to prevent contamination during shipping.

L. Source Quality Control: Test according to ASTM E 477.

1. Testing to be witnessed by [Architect].

2. Record acoustic ratings, including dynamic insertion loss and generated-noise power levels with an airflow of at least 2000-fpm (10-m/s) face velocity.

3. Leak Test: Test units for airtightness at 200 percent of associated fan static pressure or 6-inch wg (1500-Pa) static pressure, whichever is greater.

M. Performance and Characteristics: See schedules.

PART 3 - EXECUTION

3.1 INSTALLATION
A. Install duct accessories according to applicable details in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for metal ducts, and according to manufacturer's instructions/recommendations..

B. Install duct accessories of materials suited to duct materials; use galvanized-steel accessories in galvanizedsteel ducts, stainless-steel accessories in stainless-steel ducts, and aluminum accessoriesin aluminum ducts.

C. Install backdraft dampers at inlet of exhaust fans or exhaust ducts as close as possible to exhaust fan unless otherwise indicated.

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D. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger ducts. Where dampers are installed in ducts having duct liner, install dampers with hat channels of same depth as liner, and terminate liner with nosing at hat channel.

1. Installsteel volume dampersin steel ducts.

2. Install aluminum volume dampers in aluminum ducts.

E. Set dampersto fully open position before testing, adjusting, and balancing.

F. All dampers to be accessible and labeled, and are to have at least 24" around them for servicing, adding up to and including valves, actuators, and other devices that need service or need to be accessed to provide service.

G. Install test holes at fan inlets and outlets and elsewhere as indicated.

H. Install fire [and smoke] dampers according to UL Listing.

I. Install combination fire/smoke dampers according to UL Listing.

J. Install duct access doors on sides of ducts to allow for inspecting, adjusting, and maintaining accessories and equipment at the following locations:

1. On both sides of duct coils and VAV box reheat coils.

2. Upstream from duct filters.

3. At outdoor-air intakes and mixed-air plenums.

4. At drain pans and seals.

5. Upstream from manual volume dampers, modulating dampers, backdraft dampers, humidifiers, and equipment.

6. Adjacent to and close enough (and on both sides of) to fire, smoke, and combination fire/smoke dampers, to reset or reinstall fusible links. Access doors for access to fire or smoke dampers having fusible links shall be pressure relief access doors; and shall be outward operation for access doors installed upstream from dampers and inward operation for access doors installed downstream from dampers.

7. Maximum 20-foot spacing.

8. Upstream from turning vanes.

9. Maximum 10-feet from every 90° elbow.

10. Control devices requiring inspection.

11. Up and down stream of airflow measuring stations.

12. Elsewhere as indicated.

K. Install access doors with swing against duct static pressure.

L. Access Door Sizes:

1. Hand Access: 24" x 24", or 24" by the duct height/width.

2. Head and Hand Access: 18 by 16 inches.

3. Head and Shoulders Access: 21 by 16 inches.

4. Body Access: 25 by 16 inches.

5. Body plus Ladder Access: 25 by 17 inches.

6. Where fusible links are located, there must be a 24" access panel installed.

M. Label access doors according to Division 23 Section "Identification for HVAC Piping and Equipment" to indicate the purpose of access door.

CIB 689- Clark Building Renovations
DUCTWORK SPECIALTIES 23 3314 - 13
N. Install flexible connectors to connect ducts to equipment.

O. For fans developing static pressures of 5-inch wg and more, cover flexible connectors with loaded vinyl sheet held in place with metal straps.

P. Connect terminal units to supply ducts directly or with maximum 12-inch lengths of flexible duct. Do not use flexible ducts to change directions.

Q. Flexible duct elbows at diffusers are not allowed, elbows at diffusers must be sheet metal, see drawing detail(s).

R. Connect flexible ducts to metal ducts with draw bands.

S. Locate and place louverslevel, plumb, and at indicated alignment with adjacent work.

T. For louvers, use concealed anchorages where possible. Provide brass or lead washers fitted to screws where required to protect metal surfaces and to make a weather-tight connection. Form closely fitted joints with exposed connections accurately located and secured. Provide perimeter reveals and openings of uniform width for sealants and joint fillers, as indicated. Protect unpainted galvanized and nonferrous-metal surfaces that are in contact with concrete, masonry, or dissimilar metals from corrosion and galvanic action by applying a heavy coating of bituminous paint or by separating surfaces with waterproof gaskets or nonmetallic flashing. Install concealed gaskets, flashings, joint fillers, and insulation as louver installation progresses, where weather-tight louver joints are required. Comply with Section 07 9200 "Joint Sealants" for sealants applied during louver installation.

3.2 FIELD QUALITY CONTROL
A. Tests and Inspections:

1. Operate dampers to verify full range of movement.

2. Inspect locations of access doors/panels and verify that purpose of access doors/panels can be performed.

3. Operate fire, smoke, and combination fire/smoke dampers to verify full range of movement and verify that proper heat-response device is installed.

4. Inspect turning vanesfor proper and secure installation.

END OF SECTION 23 3314

CIB 689- Clark Building Renovations
SECTION 23 3400
UNITARY EXHAUST AND SUPPLY FANS AND VENTILATORS PART 1

GENERAL

1.1 DESCRIPTION
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B. Refer to specification section 23 0000 - HVAC General, all of which applies to work described in this section as if written in full herein. Special attention should be given to Section 2.02 ELECTRICAL WORK for specifics on motor and drive requirements.

C. Furnish and install all unitary exhaust and supply fans and ventilators of the size, type, capacity and characteristics as shown on the equipment schedules and herein described.

D. Base fan-performance ratings on actual projectsite altitude.

E. Acceptable manufacturers include only those whose products have been in satisfactory use in similar service for not less than five (5) years.

F. Electrical Standards: Provide electrical motors and products which have been listed and labeled by Underwriters Laboratories Inc. and comply with NEMA Standards.

G. Certification, Fan Performance: Fans shall be certified to bear the AMCA label for air and sound performance.

PART 2 PRODUCTS

2.1 CENTRIFUGAL AND AXIAL FANS AND VENTILATORS
A. All units shall be rigidly constructed of materials suitable for the intended service and shall be installed with all accessories listed on the Drawings.

B. All roof mounted units shall be installed on factory supplied 14-inch high (minimum) insulated roof curbs of the proper type, size and construction for proper mounting. Curbs shall account for all roof slopes and pitches so that the unit is installed level. Units shall be anchored to curbs by a minimum of two lag screws of adequate size on each side. Curbs shall be constructed of galvanized steel, except when the project is located within 5 miles of a sea coast they shall be of aluminum construction.

C. Outdoor fans shall be completely weatherproof for outdoor installation and shall contain internal vibration isolation to assure smooth and quiet performance.

D. Fan wheels and blades shall be constructed of aluminum and shall be statically and dynamically balanced at the factory.

2.2 CEILING-CENTRIFUGAL AND CABINET FANS
A. Units shall be direct-drive type with back-draft damper, acoustically insulated cabinets and speed controller.

PART 3 EXECUTION

3.1 GENERAL
A. All units shall be installed in accordance with manufacturer’s recommendations and as shown on the Drawings.

B. Ceiling-centrifugal and cabinet fans shall be supported from structural members and shall not rest on the ceiling, on lights or on structural members.

C. Units shall be interlocked and controlled as indicated on the Drawings.

D. Ceiling-mounted units shall be installed with ceiling grilles flush with the ceiling.

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 1
E. Curb-mounted fans shall be secured to the roof curb with lag screws in each hole in the fan curb cap.

F. Electrical connection to the fan motor shall be made through the roof opening inside the roof curb.

G. Replace fan and motor pulleys as required to achieve design airflow.

END OF SECTION 23 3400

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 2
SECTION 23 3600 - AIR TERMINAL DEVICES
PART 1 - GENERAL

1.1 SUMMARY
A. Section Includes:

1. Fan-powered air terminal units/devices.

2. Shut off air terminal units/devices.

3. Dual duct terminal units/devices.

1.2 SUBMITTALS
A. Product Data: For each type of product indicated.

C. Shop Drawings: For air terminal units. Include plans, elevations, sections, details, and attachments to other work.

D. Field quality-control reports.

E. Operation and maintenance data.

F. Northwestern University Maintenance Requirement Forms, see Division 01.

1.3 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. ASHRAE Compliance: Applicable requirements in ASHRAE 62.1-2007, Section 5 - "Systems and Equipment" and Section 7 - "Construction and System Start-Up."

1.4 SPECIAL WARRANTIES
A. Five (5) years, see Division 01.

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 3
PART 2 - PRODUCTS

2.1 MANUFACTURERS
A. Subject to compliance with requirements, provide products by one of the following (see schedules for Basis of Design):

1. Nailor

2. Price

3. Titus

4. Tuttle and Bailey

2.2 TERMINAL UNIT WALL CONSTRUCTION FOR CRITICAL AREAS/AIR AND NON-CRITICAL

AREAS/AIR
A. For critical areas/air, all units to be double wall. For high humidity areas/air (which are also considered critical, units to be stainless steel (and this requirement for stainless steel for critical areas/air overrides any conflicting material requirements that may exist below). For non-critical areas/air, units can be double wall or single wall fiber free lined.

2.3 SERIES FAN-POWERED AIR TERMINAL UNITS
A. Configuration: Volume-damper assembly and fan in series arrangement inside unit casing with control components inside a protective metal shroud for installation above a ceiling and in areas without a ceiling.

B. Casing: minimum 22 gauge steel, single wall or double wall for non-critical areas/air, double wall for critical areas/air.

1. Casing Lining:
a. Adhesive attached, 3/4" foil faced fibrous-glass insulation complying with ASTM C 1071, with a reinforced foil facing on the airstream side, and having a maximum flame/smoke index of 25/50, for both insulation and adhesive, when tested according to ASTM E 84. b. Elastomeric Closed Cell Foam Insulation is an acceptable alternate. Insulation must meet 25/50 flame/smoke index, and comply with antimicrobial performance of no observed growth per ASTM G-21

2. Air Inlets: Round stub connections or S-slip and drive connectionsfor duct attachment.

3. Air Outlet: S-slip and drive connections.

4. Access: Removable top and bottom panels for access to parts requiring service, adjustment, or maintenance; with airtight gasket and quarter-turn latches.

5. Fan: Forward-curved centrifugal.

6. Airstream Surfaces: Surfaces in contact with the airstream shall comply with requirements in ASHRAE 62.1-2007.

C. Volume Damper: Minimum 22 gauge steel with shaft rotating in self-lubricating bearings. Shaft shall be clearly marked on the end to indicate damper position.

1. Mechanical stop to prevent overstroking of damper.

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 4

2. The air valve leakage shall not exceed 1% of maximum inlet rated airflow at 3” W.G. inlet pressure.

D. Velocity Sensors: Single axis sensor shall not be acceptable for duct diameters 6" or larger. Multiple pressure sensing points shall be utilized. The total pressure inputs shall be averaged using a pressure chamber located at the center of the sensor. Sensor shall have an error of plus or minus 5% or better.

E. Motor:

1. Comply with NEMA designation, temperature rating, service factor, enclosure type, and efficiency requirements for motors specified in Division 23 Section "Common Motor Requirements for HVAC Equipment."

2. Type: Electronically commutated motor.

3. Fan-Motor Assembly Isolation: Rubber isolators.

4. Efficiency: Premium efficient.

5. Motor Speed: Variable, SCR controlled.

6. Electrical Characteristics: as scheduled on drawings.

F. Filters: Terminals shall include a 1" thick disposable MERV 7 polyester filter (spun fiberglass is not acceptable). Filter shall be secured with quick release clips, allowing removal without horizontal sliding.

H. Control Panel Enclosure: Electrical components mounted in control box with removable cover and mounted on side of unit. Incorporate single-point electrical connection to power source.

1. Control Transformer: Factory mounted for control voltage on electric and electronic control units with terminal strip in control box for field wiring of thermostat and power source.

2. Wiring Terminations: Fan and controls to terminal strip. Terminal lugs to match quantities, sizes, and materials of branch-circuit conductors. Enclose terminal lugs in terminal box that is sized according to NFPA 70.

3. Disconnect Switch: Factory-mounted, fuse type.

I. Direct Digital Controls : Single phase unitary controller and actuator as specified in Division 25.

J. All boxes shall have a maximum NC (Rad.) as scheduled on drawings. If required provide attenuation to meet the NC level as scheduled.

2.4 HANGERS AND SUPPORTS
A. Hanger Rodsfor Noncorrosive Environments: Steel rods and nuts.

B. Steel Cables: Galvanized steel complying with ASTM A 603.

C. Steel Cable End Connections: Steel assemblies with brackets, swivel, and bolts designed for duct hanger service; with an automatic-locking and clamping device.

D. Air Terminal Unit Attachments: Sheet metal screws, blind rivets, or self-tapping metal screws; compatible with duct materials.

E. Trapeze and Riser Supports: Steel shapes and plates for units with steel casings; aluminum for units with aluminum casings.

2.5 SOURCE QUALITY CONTROL

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 5
A. Factory Tests: Test assembled air terminal units according to ARI 880.

1. Label each air terminal unit with plan number, nominal airflow, maximum and minimum factory-set airflows, and ARI certification seal.

PART 3 - EXECUTION

3.1 INSTALLATION
A. Install air terminal units according to NFPA 90A, "Standard for the Installation of Air Conditioning and Ventilating Systems."
B. Install air terminal units level and plumb. Maintain sufficient clearance for normal service and maintenance.

C. If boxes have coils, install duct access doors downstream of same per Section 23 3314.

D. Install boxes per the installation details on mech. drawing.

3.2 HANGER AND SUPPORT INSTALLATION
A. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Chapter 4, "Hangers and Supports."
B. Building Attachments: Concrete inserts, or structural-steel fasteners appropriate for construction materials to which hangers are being attached.

1. Where practical, install concrete inserts before placing concrete.

2. Install powder-actuated concrete fasteners after concrete is placed and completely cured.

3. Use powder-actuated concrete fasteners for standard-weight aggregate concretes and for slabs more than 4 inches (100 mm) thick.

4. Do not use powder-actuated concrete fasteners for lightweight-aggregate concretes and for slabs less than 4 inches (100 mm) thick.

C. Hangers Exposed to View: Threaded rod and angle or channelsupports.

D. Install upper attachments to structures. Select and size upper attachments with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

3.3 CONNECTIONS
A. Install piping adjacent to air terminal unit to allow service and maintenance.

B. Connect ductsto air terminal units according to Division 23 Section "Ductwork." C. Make connections to inlets of air terminal units with flexible connectors complying with requirements in Division 23 Section "Ductwork Specialties."

CIB 689- Clark Building Renovations
AIR TERMINAL UNITS 23 3600 - 6

3.4 IDENTIFICATION
A. Label each air terminal unit with plan number, nominal airflow, and maximum and minimum factoryset airflows. Comply with requirements in Division 23 Section "Mechanical Systems Identification" for equipment labels and warning signs and labels.

3.5 FIELD QUALITY CONTROL
A. Perform Tests and Inspections:

1. After installing air terminal units and after electrical circuitry has been energized, test for compliance with requirements.

2. Leak Test: After installation, fill water coils and test for leaks. Repair leaks and retest until no leaks exist.

3. Operational Test: After electrical circuitry has been energized, start units to confirm proper motor rotation and unit operation.

4. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

B. Air terminal unit will be considered defective if it does not pass tests and inspections.

C. Prepare test and inspection reports.

3.6 STARTUP SERVICE
A. Engage a factory-authorized service representative to perform startup service.

1. Complete installation and startup checks according to manufacturer's written instructions.

2. Verify that inlet duct connections are as recommended by air terminal unit manufacturer to achieve proper performance.

3. Verify that controls and control enclosure are accessible.

4. Verify that control connections are complete.

5. Verify that nameplate and identification tag are visible.

6. Verify that controlsrespond to inputs as specified.

3.7 DEMONSTRATION
A. Train Owner's maintenance personnel to adjust, operate, and maintain air terminal units.

END OF SECTION 23 3600

CIB 689- Clark Building Renovations
FILTERS 23 4114 - 1
SECTION 23 4114 - FILTERS
PART 1 - GENERAL

1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY
A. Section Includes:

1. Pleated panel filters.

2. Non-supported bag filters.

3. Front- and rear-access filter frames.

4. Electronic air cleaners.

5. Side-service housings.

6. Filter gages.

1.3 ACTION SUBMITTALS
A. Product Data: For each type of product indicated. Include dimensions; operating characteristics; required clearances and access; rated flow capacity, including initial and final pressure drop at rated airflow; efficiency and test method; fire classification; furnished specialties; and accessories for each model indicated.

C. Shop Drawings: For air filters. Include plans, elevations, sections, details, and attachments to other work.

1. Show filter rack assembly, dimensions, materials, and methods of assembly of components.

2. Include setting drawings, templates, and requirements for installing anchor bolts and anchorages.

3. Include diagram for power, signal, and control wiring if applicable.

CIB 689- Clark Building Renovations
FILTERS 23 4114 - 2

1.4 INFORMATIONAL SUBMITTALS
A. Field quality-control reports.

1.5 CLOSEOUT SUBMITTALS
A. Operation and Maintenance Data: For each type of filter and rack to include in emergency, operation, and maintenance manuals.

B. Northwestern University Maintenance Requirement Forms, see Division 01.

1.6 MAINTENANCE MATERIAL SUBMITTALS
A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Provide three complete set(s) of pre-filters for each pre-filter bank, one set for use during construction, one set for building turnover to University, and one spare set.

2. Provide two complete set(s) of after and final filters for each after and final filter bank, one set for building turnover to University, and one spare set.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS
A. ASHRAE Compliance:

1. Comply with applicable requirements in ASHRAE 62.1, Section 4 - "Outdoor Air Quality"; Section 5 - "Systems and Equipment"; and Section 7 - "Construction and Startup."

2. Comply with ASHRAE 52.2 for MERV for methods of testing and rating air-filter units.

B. Comply with NFPA 90A and NFPA 90B.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

2.2 PLEATED PANEL FILTERS
A. Description: Factory-fabricated, self-supported, extended-surface, pleated, panel-type, disposable air filters with holding frames, MERV 7, 4" thick.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. AAF International.
b. Camfil Farr.
c. FlandersCorporation.

B. Filter Unit Class: UL 900, Class 1 or Class 2.

CIB 689- Clark Building Renovations
FILTERS 23 4114 - 3
C. Media: Interlaced glass or synthetic fibers coated with nonflammable adhesive.

1. Adhesive: As recommended by air-filter manufacturer and with a VOC content of 80 g/L or less.

2. Media shall be coated with an antimicrobial agent.

3. Separatorsshall be bonded to the media to maintain pleat configuration.

4. Welded-wire grid shall be on downstream side to maintain pleat.

5. Media shall be bonded to frame to prevent air bypass.

6. Support members on upstream and downstream sides to maintain pleat spacing.

D. Filter-Media Frame: Cardboard frame with perforated metal retainer sealed or bonded to the media.

E. Mounting Frames: Welded galvanized steel, with gaskets and fasteners; suitable for bolting together into built-up filter banks.

F. See schedule on drawing for performance information.

2.3 NON-SUPPORTED BAG FILTERS
A. Description: Factory-fabricated, dry, extended-surface, non-supported filters with header frames, MERV 13 or 14 asrequired for particular application on the project.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. AAF International.
b. Camfil Farr.
c. FlandersCorporation.

B. Filter Unit Class: UL 900, Class 1 or Class 2.

C. Media: [Glass-fiber] [Synthetic] material constructed so individual pockets are maintained in tapered form under rated-airflow conditions by flexible internal supports.

1. Media shall be coated with an antimicrobial agent.

D. Filter-Media Frame: [Galvanized steel] [Hard polyurethane foam].

E. Mounting Frames: Welded galvanized steel, with gaskets and fasteners; suitable for bolting together into built-up filter banks.

F. See schedule on drawing for performance information.

2.4 FRONT AND REAR ACCESS FILTER FRAMES
A. Framing System: Galvanized-steel (minimum 16 gage) framing members with access for either upstream (front) or downstream (rear) filter servicing, cut to size and pre-punched for assembly into modules.

Vertically support filters to prevent deflection of horizontal members without interfering with either filter installation or operation.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

CIB 689- Clark Building Renovations
FILTERS 23 4114 - 4
a. AAF International.
b. Camfil Farr.
c. FlandersCorporation.

B. Pre-filters: Incorporate a separate track with spring clips, removable from front [or back].

C. Access Doors: Hinged, with continuous gaskets on perimeter and positive-locking cam or lever type devices, and arranged so filter cartridges can be loaded from either side and access door.

D. Sealing: Factory-installed, positive-sealing device for each row of filters, to ensure seal between gasketed filter elements and to prevent bypass of unfiltered air.

2.5 ELECTRONIC AIR CLEANERS
A. Description: Factory-fabricated electronic air cleaner operating by electrostatic precipitation principles.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Dynamic Air Quality Solutions.
b. Trion, Inc.
c. FlandersCorporation.

B. Collection Cells: Aluminum, independently supported and nested.

1. Ionizing Section: Alternately spaced grounded struts and charged ionizing wires.

2. Collecting Section: Alternately grounded and charged plates, with insulators located out of airstream.

C. Power Pack: Self-contained, prewired rectifying unit to convert 24-V ac, single-phase, 60-Hz power to approximately 9,500-V dc; include overload protection, on-off switch, pilot light showing operating status, and access door interlock.

D. Safety Accessories: Manual-reset safety switches and warning lights for filter plenum access doors, signal lights and safety switching upstream and downstream from unit within duct, and enameled high- voltage warning signs.

E. Controls: Programmable logic controller in remotely mounted NEMA 250, Type 12 enclosure; with integral time clock and manual override.

1. Contacts for enable-disable control by building automation system.

F. Finish of Interior Surfaces: Surfaces in contact with the airstream shall comply with requirements in ASHRAE 62.1.

2.6 SIDE-SERVICE HOUSINGS
A. Description: Factory-assembled, side-service housings, constructed of [galvanized steel] [aluminum], with flanges to connect to duct or casing system.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

FILTERS 23 4114 - 5
a. AAF International.
b. Camfil Farr.
c. FlandersCorporation.

B. Pre-filters: Integral tracks to accommodate project depth disposable filters.

C. Access Doors: Hinged, with continuous gaskets on perimeter and positive-locking cam or lever type devices, and arranged so filter cartridges can be loaded from either side and access door.

D. Sealing: Incorporate positive-sealing gasket material on channels to seal top and bottom of filter cartridge frames and to prevent bypass of unfiltered air.

2.7 FILTER GAGES
A. Diaphragm-type gage with dial and pointer in metal case, vent valves, black figures on white background, and front recalibration adjustment.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Dwyer Instruments, Inc.

2. Diameter: 4-1/2 inches(115 mm).

3. Scale Range for Filter Media Having a Recommended Final Resistance of 0.5-Inch wg (125 Pa) or Less: 0- to 0.5-inch wg (0 to 125 Pa).

4. Scale Range for Filter Media Having a Recommended Final Resistance of 0.5- to 1.0- Inch wg (125 to 250 Pa) or Less: 0- to 1.0-inch wg (0 to 250 Pa).

5. Scale Range for Filter Media Having a Recommended Final Resistance of 1.0- to 2.0- Inch wg (250 to 500 Pa) or Less: 0- to 2.0-inch wg (0 to 500 Pa).

6. Scale Range for Filter Media Having a Recommended Final Resistance of 2.0- to 3.0- Inch wg (500 to 750 Pa) or Less: 0- to 3.0-inch wg (0 to 750 Pa).

7. Scale Range for Filter Media Having a Recommended Final Resistance of 3.0- to 4.0- Inch wg (750 to 1000 Pa) or Less: 0- to 4.0-inch wg (0 to 1000 Pa).

B. Accessories: Static-pressure tips, tubing, gage connections, and mounting bracket.

PART 3 - EXECUTION

1.1 INSTALLATION
A. Equipment Mounting:

1. Install filter assemblies on cast-in-place concrete equipment base(s). Comply with requirements for equipment bases and foundations specified in [Section 033000 "Cast-in-Place Concrete."] [Section 033053 "Miscellaneous Cast-in-Place Concrete."]

2. Comply with requirements for vibration isolation devices specified in Section 23 0550 "Vibration Isolation."
B. Position each filter unit with clearance for normalservice and maintenance. Anchor filter holding frames to substrate.

FILTERS 23 4114 - 6
C. Install filtersin position to prevent passage of unfiltered air.

D. Install filter gage for each filter bank.

E. Do not operate fan system until filters (temporary or permanent) are in place. Replace temporary filters used during construction and testing with new, clean filters.

F. Install filter-gage, static-pressure taps upstream and downstream from filters. Install filter gages on filter banks with separate static-pressure taps upstream and downstream from filters. Mount filter gages on outside of filter housing or filter plenum in an accessible position. Adjust and level inclined gages.

G. Coordinate filter installations with duct and air-handling-unit installations.

1.2 FIELD QUALITY CONTROL
A. Testing Agency: Engage a qualified testing agency to perform tests and inspections.

B. Manufacturer's Field Service: Engage a factory-authorized service representative to test and inspect components, assemblies, and equipment installations, including connections.

C. Perform the following tests and inspections:

1. Test for leakage of unfiltered air while system is operating.

D. Air filter will be considered defective if it does not pass tests and inspections.

E. Prepare test and inspection reports.

1.3 CLEANING
A. After completing system installation and testing, adjusting, and balancing of air-handling and airdistribution systems, clean filter housings and install new filter media.

END OF SECTION 23 4114

CIP 689 - Clark Building Renovations
SPLIT SYSTEM HEAT PUMPS 238128 -1
SECTION 23 8128

SPLIT SYSTEM HEAT PUMPS
PART 1 GENERAL

1.1 DESCRIPTION
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B. All work specified herein shall be accomplished in accordance with the applicable requirements of Section 23 0000 - HVAC General.

C. Furnish and install a direct expansion air-to-air heat pump unit of the size and capacity shown on the equipment schedule. The unit shall be completely factory assembled and tested, and shall include compressor, indoor and outdoor coils, stand-by electric strip heating coils, fan motors as required, pre-wired controls, interconnecting refrigerant tubing, wiring, and circuit breakers. Condensing unitshall be factory matched with evaporator coils and air handling unit; units shall be rated in accordance with AHRI and UL Listed.

D. Equipment schedules and specifications are intended to establish a minimum level of quality and workmanship for the project. When other than the basis of design equipment is proposed, the Contractor shall be responsible for all costs associated with engineering and construction modifications necessary in his or any other trade that may be required to satisfy the Contract Documents.

E. Refer to the drawings for basis of design manufacturer and acceptable alternates.

PART 2 PRODUCTS

2.1 GENERAL
A. Each unitshall be complete and factory packaged consisting of compressor, condenser coil, stand-by electric heating coil, condenser fans and motors, refrigeration and temperature controls, Unit shall be ARI and UL Listed.

2.2 AIR HANDLER
A. The cabinet shall be complete and constructed of minimum 20-gauge galvanized steel zinc coated and shall be painted with a baked-on powder coating finish. Interior surface of the cabinet shall be lined with a flexible acoustical and thermal insulation and shall be fire proof.

Thickness of insulation shall be 1-1/2". Access to fan motor, filters, coils, controls and power supply shall be through the front panel of the unit.

B. The nonferrous direct expansion cooling coil shall be factory mounted and charged with refrigerant. Provide reversing valve, expansion valve, solenoid valve and complete refrigeration circuit. Provide insulated drain pan with exterior primary and secondary drain connection.

C. The air handling unit shall accept a 1" thick high velocity air filter, mounted internally and located upstream of the cooling coil.

D. The blower section shall have an adjustable V-belt or direct drive fan motor with a forwardcurved centrifugal type blower mounted on vibration isolators. The fan motor shall have thermal overloads and be permanently lubricated. Direct drive fan motors shall have at least three (3) speeds.

E. An electric resistance heatershallsupplement the heat pump operation.

F. The unit shall be supplied with a single point power connection.

CIP 689 - Clark Building Renovations
SPLIT SYSTEM HEAT PUMPS 238128 -2

2.3 OUTDOOR UNIT
A. The cabinet shall be constructed of galvanized steel with a baked-on enamel finish. Provide with removable access panel at one side of unit to access the compressor, coil, controls, and power supply. Drain holes shall be provided at the base of the unit. Provide fan and coil guards.

B. The compressor shall be the hermetic scroll or reciprocating type, furnished with complete refrigeration circuit(s) including nonferrous condenser coil, receiver, charging valve, refrigerant holding charge, external service valves, compressor anti-cycle protection, internal temperature and current-sensing overloads, crankcase heater, filter drier, evaporator freeze stat, liquid line solenoid valve, and vibration isolation. Controls shall include over and under voltage protection, high pressure cutout with auto-reset, motor starters and contactors. Compressor shall have a five year warranty.

C. The fan motorshall be permanently lubricated with built-in thermal overload protection.

D. Install unit level as indicated on the Drawings.

E. The unit shall be supplied with a single point power connection.

2.4 CONTROLS
A. Unless noted otherwise, provide a seven-day programmable thermostat with manual changeover.

B. The thermostat shall prevent the auxiliary electric heat from being energized whenever the heating load can be met by the heat pump.

PART 3 EXECUTION

3.1 GENERAL
A. Units shall be installed as shown on the Drawings and in strict accordance with manufacturer’s recommendations.

B. Unitsshall be installed level.

C. Unitsshall be installed to allow adequate service to all components.

END OF SECTION

CIP 689 - Clark Building Renovations
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 1 PART 1 GENERAL
SECTION 260526

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

1.01 SECTION INCLUDES
A. Grounding and bonding requirements.

B. Conductors for grounding and bonding.

C. Connectors for grounding and bonding.

D. Ground bars.

E. Ground rod electrodes.

1.02 RELATED REQUIREMENTS
A. Section 260519 - Low-Voltage Electrical Power Conductors and Cables: Additional requirements for conductors for grounding and bonding, including conductor color coding.

B. Section 260553 - Identification for Electrical Systems: Identification products and requirements.

C. Section 265600 - Exterior Lighting: Additional grounding and bonding requirements for polemounted luminaires.

1.03 REFERENCE STANDARDS
A. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

B. NEMA GR 1 - Ground Rod Electrodes and Ground Rod Electrode Couplings 2017.

C. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

D. UL 467 - Grounding and Bonding Equipment Current Edition, Including All Revisions.

1.04 ADMINISTRATIVE REQUIREMENTS
A. Coordination:

1. Verify exact locations of underground metal water service pipe entrances to building.

2. Coordinate the work with other trades to provide steel reinforcement complying with specified requirements for concrete-encased electrode.

3. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

B. Sequencing:

1. Do not install ground rod electrodes until final backfill and compaction is complete.

1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements for submittals procedures.

1.06 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

PART 2 PRODUCTS

2.01 GROUNDING AND BONDING REQUIREMENTS
A. Do not use products for applications other than as permitted by NFPA 70 and product listing.

B. Unless specifically indicated to be excluded, provide all required components, conductors, connectors, conduit, boxes, fittings, supports, accessories, etc. as necessary for a complete grounding and bonding system.

C. Where conductor size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

2.02 GROUNDING AND BONDING COMPONENTS
A. General Requirements:

1. Provide products listed, classified, and labeled as suitable for the purpose intended.

CIP 689 - Clark Building Renovations
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 2

2. Provide products listed and labeled as complying with UL 467 where applicable.

B. Conductors for Grounding and Bonding, in Addition to Requirements of Section 260526:

1. Use insulated copper conductors unless otherwise indicated. a. Exceptions:
1) Use bare copper conductors where installed underground in direct contact with earth. 2) Use bare copper conductors where directly encased in concrete (not in raceway).

C. Connectors for Grounding and Bonding:

1. Description: Connectors appropriate for the application and suitable for the conductors and items to be connected; listed and labeled as complying with UL 467.

2. Unless otherwise indicated, use exothermic welded connections for underground, concealed and other inaccessible connections.

3. Unless otherwise indicated, use mechanical connectors, compression connectors, or exothermic welded connections for accessible connections. a. Exceptions:
1) Use exothermic welded connections for connections to metal building frame.

4. Manufacturers - Mechanical and Compression Connectors:
a. Advanced Lightning Technology (ALT); [ ]: www.altfab.com/#sle. b. Burndy LLC; [ ]: www.burndy.com/#sle.
c. Harger Lightning & Grounding; [ ]: www.harger.com/#sle. d. Thomas & Betts Corporation; [ ]: www.tnb.com/#sle.
e. Substitutions: See Section 016000 - Product Requirements.

5. Manufacturers - Exothermic Welded Connections:
a. Burndy LLC; [ ]: www.burndy.com/#sle.
b. Cadweld, a brand of Erico International Corporation; [ ]
: www.erico.com/#sle.
c. thermOweld, subsidiary of Continental Industries; division of BurndyLLC; [ ]:
www.thermoweld.com/#sle.
d. Substitutions: See Section 016000 - Product Requirements.

D. Ground Bars:

1. Description: Copper rectangular ground bars with mounting brackets and insulators.

2. Size: As indicated.

3. Holes for Connections: As indicated or as required for connections to be made.

4. Manufacturers:
a. Advanced Lightning Technology (ALT); [ ]: www.altfab.com/#sle. b. Erico International Corporation; [ ]: www.erico.com/#sle. c. Harger Lightning & Grounding; [ ]: www.harger.com/#sle. d. thermOweld, subsidiary of Continental Industries; division of BurndyLLC; [ ]:
www.thermoweld.com/#sle.
e. Substitutions: See Section 016000 - Product Requirements.

E. Ground Rod Electrodes:

1. Comply with NEMA GR 1.

2. Material: Copper-bonded (copper-clad) steel.

3. Size: 3/4 inch (19 mm) diameter by 10 feet (3.0 m) length, unless otherwise indicated.

4. Manufacturers:
a. Advanced Lightning Technology (ALT); [ ]: www.altfab.com/#sle. b. Erico International Corporation; [ ]: www.erico.com/#sle. c. Galvan Industries, Inc; [ ]: www.galvanelectrical.com/#sle. d. Harger Lightning & Grounding; [ ]: www.harger.com/#sle. e. Substitutions: See Section 016000 - Product Requirements.

CIP 689 - Clark Building Renovations
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 3 PART 3 EXECUTION

3.01 EXAMINATION
A. Verify that work likely to damage grounding and bonding system components has been completed.

B. Verify that field measurements are as indicated.

C. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Ground Rod Electrodes: Unless otherwise indicated, install ground rod electrodes vertically. Where encountered rock prohibits vertical installation, install at 45 degree angle or bury horizontally in trench at least 30 inches (750 mm) deep in accordance with NFPA 70 or provide ground plates.

D. Make grounding and bonding connections using specified connectors.

1. Remove appropriate amount of conductor insulation for making connections without cutting, nicking or damaging conductors. Do not remove conductor strands to facilitate insertion into connector.

2. Remove nonconductive paint, enamel, or similar coating at threads, contact points, and contact surfaces.

3. Exothermic Welds: Make connections using molds and weld material suitable forthe items to be connected in accordance with manufacturer's recommendations.

4. Mechanical Connectors: Secure connections according to manufacturer's recommended torque settings.

5. Compression Connectors: Secure connections using manufacturer's recommended tools and dies.

E. Identify grounding and bonding system components in accordance with Section 260553.

END OF SECTION

CIP 689 - Clark Building Renovations
HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 260526 - 1
PART 1 GENERAL
SECTION 260529

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

1.01 REFERENCE STANDARDS
A. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products 2017.

B. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware 2016a.

C. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel 2019.

D. MFMA-4 - Metal Framing Standards Publication 2004.

E. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

PART 2 PRODUCTS

2.01 SUPPORT AND ATTACHMENT COMPONENTS
A. General Requirements:

1. Provide all required hangers, supports, anchors, fasteners, fittings, accessories, and hardware as necessary for the complete installation of electrical work.

2. Provide products listed, classified, and labeled as suitable for the purpose intended, where applicable.

3. Where support and attachment component types and sizes are not indicated, select in accordance with manufacturer's application criteria as required for the load to be supported with a minimum safety factor of [ ]. Include consideration for vibration, equipment operation, and shock loads where applicable.

4. Do not use products for applications other than as permitted by NFPA 70 and product listing.

5. Steel Components: Use corrosion resistant materials suitable for the environment where installed. a. Zinc-Plated Steel: Electroplated in accordance with ASTM B633. b. Galvanized Steel: Hot-dip galvanized after fabrication in accordance with ASTM A123/A123M or ASTM A153/A153M.

B. Conduit and Cable Supports: Straps, clamps, etc. suitable for the conduit or cable to be supported.

1. Conduit Straps: One-hole or two-hole type; steel or malleable iron.

2. Conduit Clamps: Bolted type unless otherwise indicated.

C. Outlet Box Supports: Hangers, brackets, etc. suitable for the boxes to be supported.

D. Metal Channel (Strut) Framing Systems: Factory-fabricated continuous-slot metal channel (strut) and associated fittings, accessories, and hardware required for field-assembly of supports.

1. Comply with MFMA-4.

E. Hanger Rods: Threaded zinc-plated steel unless otherwise indicated.

F. Anchors and Fasteners:

1. Unless otherwise indicated and where not otherwise restricted, use the anchor and fastener types indicated for the specified applications.

END OF SECTION

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -1
PART 1 GENERAL

1.01 SECTION INCLUDES
SECTION 260533.13 CONDUIT

FOR ELECTRICAL SYSTEMS
A. Galvanized steel rigid metal conduit (RMC).

B. Intermediate metal conduit (IMC).

C. Flexible metal conduit (FMC).

D. Liquidtight flexible metal conduit (LFMC).

E. Electrical metallic tubing (EMT).

F. Electrical nonmetallic tubing (ENT).

G. Liquidtight flexible nonmetallic conduit (LFNC).

H. Conduit fittings.

1.02 RELATED REQUIREMENTS
A. Section 078400 - Firestopping.

B. Section 260519 - Low-Voltage Electrical Power Conductors and Cables: Metal clad cable (Type MC), armored cable (Type AC), and manufactured wiring systems, including uses permitted.

C. Section 260526 - Grounding and Bonding for Electrical Systems.

1. Includes additional requirements for fittings for grounding and bonding.

D. Section 260529 - Hangers and Supports for Electrical Systems.

E. Section 260533.16 - Boxes for Electrical Systems.

F. Section 260533.23 - Surface Raceways for ElectricalSystems.

G. Section 260539 - Underfloor Raceways for ElectricalSystems.

H. Section 260548 - Vibration and Seismic Controls for Electrical Systems.

I. Section 260553 - Identification for Electrical Systems: Identification products and requirements.

J. Section 262100 - Low-Voltage Electrical Service Entrance: Additional requirements for electrical service conduits.

K. Section 312316 - Excavation.

L. Section 312316.13 - Trenching: Excavating, bedding, and backfilling.

M. Section 312323 - Fill: Bedding and backfilling.

N. Section 337119 - Electrical Underground Ducts, Ductbanks, and Manholes.

1.03 REFERENCE STANDARDS
A. ANSI C80.1 - American National Standard for Electrical Rigid Steel Conduit (ERSC) 2020.

B. ANSI C80.3 - American National Standard for Electrical Metallic Tubing -- Steel (EMT-S) 2020.

C. ANSI C80.6 - American National Standard for Electrical Intermediate Metal Conduit 2018.

D. NECA 1 - Standard for Good Workmanship in Electrical Construction2015.

E. NECA 101 - Standard for Installing Steel Conduits (Rigid, IMC, EMT)2013.

F. NECA 111 - Standard for Installing Nonmetallic Raceways (RNC, ENT, LFNC) 2017.

G. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, ElectricalMetallic Tubing, and Cable 2014.

H. NEMA TC 3 - Polyvinyl Chloride (PVC) Fittings for Use with Rigid PVC Conduit andTubing 2021.

I. NEMA TC 13 - Electrical Nonmetallic Tubing (ENT) 2014 (Reaffirmed 2019).

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -2
J. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

K. UL 1 - Flexible Metal Conduit Current Edition, Including AllRevisions.

L. UL 6 - Electrical Rigid Metal Conduit-Steel Current Edition, Including All Revisions.

M. UL 360 - Liquid-Tight Flexible Metal Conduit Current Edition, Including All Revisions.

N. UL 514B - Conduit, Tubing, and Cable Fittings Current Edition, Including All Revisions.

O. UL 651 - Schedule 40, 80, Type EB and A Rigid PVC Conduit and Fittings CurrentEdition, Including All Revisions.

P. UL 797 - Electrical Metallic Tubing-Steel Current Edition, Including All Revisions.

Q. UL 1242 - Electrical Intermediate Metal Conduit-Steel Current Edition, Including AllRevisions.

R. UL 1653 - Electrical Nonmetallic Tubing Current Edition, Including All Revisions.

S. UL 1660 - Liquid-Tight Flexible Nonmetallic Conduit Current Edition, Including All Revisions.

1.04 SUBMITTALS
A. See Section 013000 - Administrative Requirements for submittals procedures.

1.05 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

PART 2 PRODUCTS

2.01 CONDUIT APPLICATIONS
A. Do not use conduit and associated fittings for applications other than as permitted by NFPA 70 and product listing.

B. Unless otherwise indicated and where not otherwise restricted, use the conduit types indicated for the specified applications. Where more than one listed application applies, comply with the most restrictive requirements. Where conduit type for a particular application is not specified, use galvanized steel rigid metal conduit.

2.02 CONDUIT REQUIREMENTS
A. Provide all conduit, fittings, supports, and accessories required for a complete raceway system.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Where conduit size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

2.03 GALVANIZED STEEL RIGID METAL CONDUIT (RMC)
A. Manufacturers:

1. Allied Tube & Conduit, a division of Atkore International: www.alliedeg.com/#sle.

2. Nucor Tubular Products: www.nucortubular.com/#sle.

3. Western Tube, a division of Zekelman Industries: www.westerntube.com/#sle.

4. Wheatland Tube, a division of Zekelman Industries: www.wheatland.com/#sle.

5. Substitutions: See Section 016000 - Product Requirements.

B. Description: NFPA 70, Type RMC galvanized steel rigid metal conduit complying with ANSI C80.1 and listed and labeled as complying with UL 6.

C. Fittings:

1. Manufacturers:
a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.
b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle. c. Thomas & Betts Corporation: www.tnb.com/#sle.
d. Substitutions: See Section 016000 - Product Requirements.

2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -3

4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.04 INTERMEDIATE METAL CONDUIT (IMC)
A. Manufacturers:

1. Allied Tube & Conduit, a division of Atkore International: www.alliedeg.com/#sle.

2. Nucor Tubular Products: www.nucortubular.com/#sle.

3. Western Tube, a division of Zekelman Industries: www.westerntube.com/#sle.

4. Wheatland Tube, a division of Zekelman Industries: www.wheatland.com/#sle.

5. Substitutions: See Section 016000 - Product Requirements.

B. Description: NFPA 70, Type IMC galvanized steel intermediate metal conduit complying with ANSI C80.6 and listed and labeled as complying with UL 1242.

C. Fittings:

1. Manufacturers:
a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.
b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle. c. Thomas & Betts Corporation: www.tnb.com/#sle.
d. Substitutions: See Section 016000 - Product Requirements.

2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.05 FLEXIBLE METAL CONDUIT (FMC)
A. Manufacturers:

1. AFC Cable Systems, Inc; [ ]: www.afcweb.com/#sle.

2. Electri-Flex Company; [ ]: www.electriflex.com/#sle.

3. International Metal Hose; [ ]: www.metalhose.com/#sle.

4. Substitutions: See Section 016000 - Product Requirements.

B. Description: NFPA 70, Type FMC standard wall steel flexible metal conduit listed and labeled as complying with UL 1, and listed for use in classified firestop systems to be used.

C. Fittings:

1. Manufacturers:
a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.
b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle. c. Thomas & Betts Corporation: www.tnb.com/#sle.
d. Substitutions: See Section 016000 - Product Requirements.

2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

2.06 LIQUIDTIGHT FLEXIBLE METAL CONDUIT (LFMC)
A. Manufacturers:

1. AFC Cable Systems, Inc; [ ]: www.afcweb.com/#sle.

2. Electri-Flex Company; [ ]: www.electriflex.com/#sle.

3. International Metal Hose; [ ]: www.metalhose.com/#sle.

B. Description: NFPA 70, Type LFMC polyvinyl chloride (PVC) jacketed steel flexible metal conduit listed and labeled as complying with UL 360.

C. Fittings:

1. Manufacturers:
a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.
b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle. c. Thomas & Betts Corporation: www.tnb.com/#sle.

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -4
d. Substitutions: See Section 016000 - Product Requirements.

2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

2.07 ELECTRICAL METALLIC TUBING (EMT)
A. Manufacturers:

1. Allied Tube & Conduit, a division of Atkore International: www.alliedeg.com/#sle.

2. Nucor Tubular Products: www.nucortubular/#sle.

3. Western Tube, a division of Zekelman Industries: www.westerntube.com/#sle.

4. Wheatland Tube, a division of Zekelman Industries: www.wheatland.com/#sle.

5. Substitutions: See Section 016000 - Product Requirements.

B. Description: NFPA 70, Type EMT steel electrical metallic tubing complying with ANSI C80.3 and listed and labeled as complying with UL 797.

C. Fittings:

1. Manufacturers:
a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.
b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle. c. Thomas & Betts Corporation: www.tnb.com/#sle.
d. Substitutions: See Section 016000 - Product Requirements.

2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

4. Connectors and Couplings: Use compression (gland) or set-screw type. a. Do not use indenter type connectors and couplings.

2.08 ELECTRICAL NONMETALLIC TUBING (ENT)
A. Description: NFPA 70, Type ENT electrical nonmetallic tubing complying with NEMA TC 13 and listed and labeled as complying with UL 1653.

B. Fittings:

1. Manufacturer: Same as manufacturer of ENT to be connected.

2. Use solvent-welded type fittings.

3. Solvent-Welded Fittings: Rigid PVC fittings complying with NEMA TC 3 and listed and labeled as complying with UL 651; suitable for use with ENT.

2.09 LIQUIDTIGHT FLEXIBLE NONMETALLIC CONDUIT (LFNC)
A. Manufacturers:

1. AFC Cable Systems, Inc: www.afcweb.com/#sle.

2. Electri-Flex Company: www.electriflex.com/#sle.

3. International Metal Hose: www.metalhose.com/#sle.

4. Substitutions: See Section 016000 - Product Requirements.

B. Description: NFPA 70, Type LFNC liquidtight flexible nonmetallic conduit listed and labeled as complying with UL 1660.

C. Fittings:

1. Manufacturer: Same as manufacturer of conduit to be connected.

2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B; suitable for the type of conduit to be connected.

PART 3 EXECUTION

3.01 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Install galvanized steel rigid metal conduit (RMC) in accordance with NECA 101.

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -5
D. Install intermediate metal conduit (IMC) in accordance with NECA 101.

E. Install electrical nonmetallic tubing (ENT) in accordance with NECA 111.

F. Install liquidtight flexible nonmetallic conduit (LFNC) in accordance with NECA 111.

G. Conduit Routing:

1. Unless dimensioned, conduit routing indicated is diagrammatic.

H. Conduit Support:

1. Secure and support conduits in accordance with NFPA 70 and Section 260529 using suitable supports and methods approved by the authority having jurisdiction.

2. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

I. Connections and Terminations:

1. Use approved zinc-rich paint or conduit joint compound on field-cut threads of galvanized steel conduits prior to making connections.

2. Where two threaded conduits must be joined and neither can be rotated, use three-piece couplings or split couplings. Do not use running threads.

3. Use suitable adapters where required to transition from one type of conduit to another.

4. Provide drip loops for liquidtight flexible conduit connections to prevent drainage of liquid into connectors.

5. Terminate threaded conduits in boxes and enclosures using threaded hubs or double lock nuts for dry locations and raintight hubs for wet locations.

6. Provide insulating bushings or insulated throats at all conduit terminations to protect conductors.

7. Secure joints and connections to provide maximum mechanical strength and electrical continuity.

J. Penetrations:

1. Do not penetrate or otherwise notch or cut structural members, including footings and grade beams, without approval of Structural Engineer.

2. Make penetrations perpendicular to surfaces unless otherwise indicated.

3. Provide sleeves for penetrations as indicated or as required to facilitate installation. Set sleeves flush with exposed surfaces unless otherwise indicated or required.

4. Conceal bends for conduit risers emerging above ground.

5. Seal interior of conduits entering the building from underground at first accessible point to prevent entry of moisture and gases.

6. Where conduits penetrate waterproof membrane, seal as required to maintain integrity of membrane.

7. Make penetrations for roof-mounted equipment within associated equipment openings and curbs where possible to minimize roofing system penetrations. Where penetrations are necessary, seal as indicated or as required to preserve integrity of roofing system and maintain roof warranty. Include proposed locations of penetrations and methods for sealing with submittals.

8. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified in Section 078400.

K. Conduit Movement Provisions: Where conduits are subject to movement, provide expansion and expansion/deflection fittings to prevent damage to enclosed conductors or connected equipment. This includes, but is not limited to:

1. Where conduits cross structural joints intended for expansion, contraction, or deflection.

2. Where conduits are subject to earth movement by settlement or frost.

L. Condensation Prevention: Where conduits cross barriers between areas of potential substantial temperature differential, provide sealing fitting or approved sealing compound at an accessible point near the penetration to prevent condensation. This includes, but is not limited to:

1. Where conduits pass from outdoors into conditioned interior spaces.

2. Where conduits pass from unconditioned interior spaces into conditioned interior spaces.

CIP 689 - Clark Building Renovations
CONDUITE FOR ELECTRICAL SYSTEMS 260533.13 -6
M. Provide grounding and bonding in accordance with Section 260526.

3.02 CLEANING
A. Clean interior of conduits to remove moisture and foreign matter.

3.03 PROTECTION
A. Immediately after installation of conduit, use suitable manufactured plugs to provide protection from entry of moisture and foreign material and do not remove until ready for installation of conductors.

END OF SECTION

CIP 689 - Clark Building Renovations
BOXES FOR ELECTRICAL SYSTEMS 260533.16 -1
PART 1 GENERAL

1.01 SECTION INCLUDES
SECTION 260533.16

BOXES FOR ELECTRICAL SYSTEMS
A. Outlet and device boxes up to 100 cubic inches (1,650 cu cm), including those used asjunction and pull boxes.

B. Cabinets and enclosures, including junction and pull boxes larger than 100 cubic inches (1,650 cu cm).

1.02 RELATED REQUIREMENTS
A. Section 033000 - Cast-in-Place Concrete.

B. Section 078400 - Firestopping.

C. Section 083100 - Access Doors and Panels: Panels for maintaining access to concealed boxes.

D. Section 260526 - Grounding and Bonding for Electrical Systems.

E. Section 260529 - Hangers and Supports for Electrical Systems.

F. Section 260533.13 - Conduit for Electrical Systems:

1. Conduit bodies and other fittings.

2. Additional requirements for locating boxes to limit conduit length and/or number of bends between pulling points.

G. Section 260539 - Underfloor Raceways for Electrical Systems: Junction boxes for underfloor duct systems.

H. Section 260548 - Vibration and Seismic Controls for Electrical Systems.

I. Section 262726 - Wiring Devices:

1. Wall plates.

2. Floor box service fittings.

3. Poke-through assemblies.

1.03 REFERENCE STANDARDS
A. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

B. NECA 130 - Standard for Installing and Maintaining Wiring Devices 2016.

C. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, ElectricalMetallic Tubing, and Cable 2014.

D. NEMA OS 1 - Sheet-Steel Outlet Boxes, Device Boxes, Covers, and Box Supports2013 (Reaffirmed 2020).

E. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2020.

F. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

G. UL 50 - Enclosures for Electrical Equipment, Non-Environmental ConsiderationsCurrent Edition, Including All Revisions.

H. UL 50E - Enclosures for Electrical Equipment, Environmental Considerations Current Edition, Including All Revisions.

I. UL 508A - Industrial Control Panels Current Edition, Including All Revisions.

J. UL 514A - Metallic Outlet Boxes Current Edition, Including All Revisions.

1.04 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide manufacturer's standard catalog pages and data sheets for cabinets and enclosures, boxes for hazardous (classified) locations, floor boxes, and underground

CIP 689 - Clark Building Renovations
BOXES FOR ELECTRICAL SYSTEMS 260533.16 -2
boxes/enclosures.

1.05 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

PART 2 PRODUCTS

2.01 BOXES
A. General Requirements:

1. Do not use boxes and associated accessories for applications other than as permitted by NFPA 70 and product listing.

2. Provide all boxes, fittings, supports, and accessories required for a complete raceway system and to accommodate devices and equipment to be installed.

3. Provide products listed, classified, and labeled as suitable for the purpose intended.

4. Where box size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

5. Provide grounding terminals within boxes where equipment grounding conductors terminate.

B. Outlet and Device Boxes Up to 100 cubic inches (1,650 cu cm), Including Those Used as Junction and Pull Boxes:

1. Use sheet-steel boxes for dry locations unless otherwise indicated or required.

2. Use cast iron boxes or cast aluminum boxes for damp or wet locations unless otherwise indicated or required; furnish with compatible weatherproof gasketed covers.

3. Use suitable concrete type boxes where flush-mounted in concrete.

4. Use suitable masonry type boxes where flush-mounted in masonry walls.

5. Use raised covers suitable for the type of wall construction and device configuration where required.

6. Use shallow boxes where required by the type of wall construction.

7. Do not use "through-wall" boxes designed for access from both sides of wall.

8. Sheet-Steel Boxes: Comply with NEMA OS 1, and list and label as complying with UL 514A.

9. Cast Metal Boxes: Comply with NEMA FB 1, and list and label as complying with UL 514A; furnish with threaded hubs.

10. Boxes for Supporting Luminaires and Ceiling Fans: Listed as suitable for the type and weight of load to be supported; furnished with fixture stud to accommodate mounting of luminaire where required.

11. Boxes for Ganged Devices: Use multigang boxes of single-piece construction. Do not use fieldconnected gangable boxes unless specifically indicated or permitted.

12. Wall Plates: Comply with Section 262726.

13. Manufacturers:
a. Cooper Crouse-Hinds, a division of Eaton Corporation; [ ]
: www.cooperindustries.com/#sle.
b. Hubbell Incorporated; Bell Products; [ ]: www.hubbell-rtb.com/#sle. c. Hubbell Incorporated; RACO Products; [ ]: www.hubbell-rtb.com/#sle. d. O-Z/Gedney, a brand of Emerson Electric Co; [
]
: www.emerson.com/#sle.
e. Thomas & Betts Corporation; [ ]: www.tnb.com/#sle.
f. Or Equal.
g. Substitutions: See Section 016000 - Product Requirements.

C. Cabinets and Enclosures, Including Junction and Pull Boxes Larger Than 100 cubicinches (1,650 cu cm):

1. Comply with NEMA 250, and list and label as complying with UL 50 and UL 50E, or UL 508A.

2. NEMA 250 Environment Type, Unless Otherwise Indicated:

3. Junction and Pull Boxes Larger Than 100 cubic inches (1,650 cu cm):
a. Provide screw-cover or hinged-cover enclosures unless otherwise indicated.

CIP 689 - Clark Building Renovations
BOXES FOR ELECTRICAL SYSTEMS 260533.16 -3

4. Manufacturers:
a. Cooper B-Line, a division of Eaton Corporation; [
]
: www.cooperindustries.com/#sle.
b. Hoffman, a brand of Pentair Technical Products; [
]
: www.hoffmanonline.com/#sle.
c. Hubbell Incorporated; Wiegmann Products; [ ]: www.hubbellwiegmann.com/#sle. d. Or Equal.
e. Substitutions: See Section 016000 - Product Requirements.

PART 3 EXECUTION

3.01 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Install boxes in accordance with NECA 1 (general workmanship) and, where applicable, NECA 130, including mounting heights specified in those standards where mounting heights are not indicated.

C. Arrange equipment to provide minimum clearances in accordance with manufacturer's instructions and NFPA 70.

D. Box Locations:

1. Locate boxes to be accessible. Provide access panels in accordance with Section 083100 as required where approved by the Architect.

2. Unless otherwise indicated, where multiple outlet boxes are installed at the same location at different mounting heights, install along a common vertical center line.

3. Do not install flush-mounted boxes on opposite sides of walls back-to-back. Provide minimum 6 inches (150 mm) horizontal separation unless otherwise indicated.

4. Acoustic-Rated Walls: Do not install flush-mounted boxes on opposite sides of walls backto-back; provide minimum 24 inches (610 mm) horizontal separation.

5. Fire Resistance Rated Walls: Install flush-mounted boxes such that the required fire resistance will not be reduced.
a. Do not install flush-mounted boxes on opposite sides of walls back-to-back; provide minimum 24 inches (610 mm) separation where wall is constructed with individual noncommunicating stud cavities or protect both boxes with listed putty pads.

E. Box Supports:

1. Secure and support boxes in accordance with NFPA 70 and Section 260529 using suitable supports and methods approved by the authority having jurisdiction.

2. Provide independent support from building structure except for cast metal boxes (other than boxes used for fixture support) supported by threaded conduit connections in accordance with NFPA 70. Do not provide support from piping, ductwork, or other systems.

F. Install boxes plumb and level.

G. Flush-Mounted Boxes:

1. Install boxes in noncombustible materials such as concrete, tile, gypsum, plaster, etc. so that front edge of box or associated raised cover is not set back from finished surface more than 1/4 inch (6 mm) or does not project beyond finished surface.

2. Install boxes in combustible materials such as wood so that front edge of box or associated raised cover is flush with finished surface.

3. Repair rough openings around boxes in noncombustible materials such as concrete, tile, gypsum, plaster, etc. so that there are no gaps or open spaces greater than 1/8 inch (3 mm) at the edge of the box.

H. Install boxes as required to preserve insulation integrity.

I. Install permanent barrier between ganged wiring devices when voltage between adjacent devices exceeds 300 V.

CIP 689 - Clark Building Renovations
BOXES FOR ELECTRICAL SYSTEMS 260533.16 -4
J. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified in Section 078400.

K. Close unused box openings.

L. Install blank wall plates on junction boxes and on outlet boxes with no devices or equipment installed or designated for future use.

M. Provide grounding and bonding in accordance with Section 260526.

3.02 CLEANING
A. Clean interior of boxes to remove dirt, debris, plaster and other foreign material.

3.03 PROTECTION
A. Immediately after installation, protect boxes from entry of moisture and foreign material until ready for installation of conductors.

END OF SECTION

CIP 689 - Clark Building Renovations
SURFACE RACEWAYS FOR ELECTRICAL SYSTEMS 260533.23 -1
PART 1 GENERAL
SECTION 260533.23

SURFACE RACEWAYS FOR ELECTRICAL SYSTEMS

1.01 SECTION INCLUDES
A. Surface raceway systems.

B. Wireways.

1.02 RELATED REQUIREMENTS
A. Section 260526 - Grounding and Bonding for Electrical Systems.

B. Section 260529 - Hangers and Supports for Electrical Systems.

1. Includes metal channel (strut) used as raceway.

C. Section 260533.13 - Conduit for Electrical Systems.

D. Section 260533.16 - Boxes for Electrical Systems.

E. Section 260539 - Underfloor Raceways for Electrical Systems: Trench duct.

F. Section 260553 - Identification for Electrical Systems: Identification products and requirements.

G. Section 262726 - Wiring Devices: Receptacles.

1.03 REFERENCE STANDARDS
A. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

B. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

C. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum)2020.

D. NEMA PRP 5 - Installation Guidelines for Surface Nonmetallic Raceway2021.

E. UL 5 - Surface Metal Raceways and Fittings Current Edition, Including All Revisions.

F. UL 5A - Nonmetallic Surface Raceways and Fittings Current Edition, Including All Revisions.

G. UL 870 - Wireways, Auxiliary Gutters, and Associated Fittings Current Edition, Including All Revisions.

1.04 ADMINISTRATIVE REQUIREMENTS
A. Coordination:

1. Coordinate the placement of raceways with millwork, furniture, equipment, etc. installed under other sections or by others.

2. Coordinate rough-in locations of outlet boxes provided under Section 260533.16 and conduit provided under Section 260533.13 as required for installation of raceways provided under this section.

3. Verify minimum sizes of raceways with the actual conductors and components to be installed.

4. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

B. Sequencing:

1. Do not install raceways until final surface finishes and painting are complete.

2. Do not begin installation of conductors and cables until installation of raceways is complete between outlet, junction and splicing points.

1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide manufacturer's standard catalog pages and data sheets including dimensions, knockout sizes and locations, materials, fabrication details, finishes, service condition requirements, and accessories.

1. Surface Raceway Systems: Include information on fill capacities for conductors and cables.

CIP 689 - Clark Building Renovations
SURFACE RACEWAYS FOR ELECTRICAL SYSTEMS 260533.23 -2
C. Shop Drawings:

1. Pre-wired Surface Raceway Systems: Provide plan and elevation views including dimensioned locations of wiring devices and circuiting arrangements.

2. Wireways: Provide dimensioned plan and elevation views including adjacent equipment with all required clearances indicated.

D. Samples: Three of each type and color of surface raceway system specified, 6 inches(150 mm) in length.

E. Manufacturer's Instructions: Indicate application conditions and limitations of use stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, and installation of product.

1.06 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

B. Maintain at the project site a copy of each referenced document that prescribes execution requirements.

1.07 DELIVERY, STORAGE, AND HANDLING
A. Receive, inspect, handle, and store products in accordance with manufacturer's instructions.

PART 2 PRODUCTS

2.01 RACEWAY REQUIREMENTS
A. Provide all components, fittings, supports, and accessories required for a complete raceway system.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Do not use raceways for applications other than as permitted by NFPA 70 and product listing.

2.02 SURFACE RACEWAY SYSTEMS
A. Manufacturers:

1. Hubbell Incorporated; Or Equal: www.hubbell.com/#sle.

2. MonoSystems, Inc; Or Equal: www.monosystems.com/#sle.

3. Wiremold, a brand of Legrand North America, Inc; Or Equal: www.legrand.us/#sle.

4. Substitutions: See Section 016000 - Product Requirements.

B. Surface Metal Raceways: Listed and labeled as complying with UL 5.

C. Surface Nonmetallic Raceways: Listed and labeled as complying with UL 5A.

2.03 WIREWAYS
A. Manufacturers:

1. Cooper B-Line, a division of Cooper Industries; Or Equal:
www.cooperindustries.com/#sle.

2. Enduro Composites; Or Equal: www.endurocomposites.com/#sle.

3. Hoffman, a brand of Pentair Technical Products; Or Equal: www.hoffmanonline.com/#sle.

4. Schneider Electric; Square D Products; Or Equal: www.schneider-electric.us/#sle.

5. Substitutions: See Section 016000 - Product Requirements.

B. Description: Lay-in wireways and wiring troughs with removable covers; listed and labeled as complying with UL 870.

C. Wireway Type, Unless Otherwise Indicated:

1. Indoor Clean, Dry Locations: NEMA 250, Type 1, painted steel with screw-cover.

2. Outdoor Locations: NEMA 250, Type 3R, painted steel with screw-cover; include provision for padlocking.

D. Finish for Painted Steel Wireways: (See Comment) unless otherwise indicated.

E. Where wireway size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

CIP 689 - Clark Building Renovations
SURFACE RACEWAYS FOR ELECTRICAL SYSTEMS 260533.23 -3

2.04 SOURCE QUALITY CONTROL
A. See Section 014000 - Quality Requirements, for additional requirements.

PART 3 EXECUTION

3.01 EXAMINATION
A. Verify that field measurements are as indicated.

B. Verify that outlet boxes and conduit terminations are installed in proper locations and are properly sized in accordance with NFPA 70 to accommodate raceways.

C. Verify that mounting surfaces are ready to receive raceways and that final surface finishes are complete, including painting.

D. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Install raceways plumb and level.

D. Arrange wireways and associated raceway connections to comply with NFPA 70, including but not limited to requirements for deflected conductors and wireways used as pullboxes. Increase size of wireway where necessary.

E. Secure and support raceways in accordance with Section 260529 at intervals complying with NFPA 70 and manufacturer's requirements.

F. Close unused raceway openings.

G. Provide grounding and bonding in accordance with Section 260526.

3.03 CLEANING
A. Clean exposed surfaces to remove dirt, paint, or other foreign material and restore to match original factory finish.

3.04 PROTECTION
A. Protect installed raceways from subsequent construction operations.

END OF SECTION

CIP 689 - Clark Building Renovations
UNDERFLOOR RACEWAYS FOR ELECTRICAL SYSTEMS 260539 -1
PART 1 GENERAL
SECTION 260539

UNDERFLOOR RACEWAYS FOR ELECTRICAL SYSTEMS

1.01 SECTION INCLUDES
A. Underfloor duct.

B. Trench duct.

C. Service fittings.

1.02 RELATED REQUIREMENTS
A. Section 260526 - Grounding and Bonding for Electrical Systems.

B. Section 262726 - Wiring Devices.

1.03 REFERENCE STANDARDS
A. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

B. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

C. UL 884 - Underfloor Raceways and Fittings Current Edition, Including All Revisions.

1.04 ADMINISTRATIVE REQUIREMENTS
A. Coordination: Coordinate the work with other trades for the proper placement of concrete provided under other sections.

1. Verify that no concrete containing chlorides from any source will be used in contact with duct system.

2. Where approved by the Architect, arrange for vibration of concrete at duct system to ensure complete fill beneath components.

3. Arrange for hand finishing of concrete adjacent to flush components.

B. Where cellular floor deck electrical raceway system is provided under other sections, coordinate the work to provide compatible electrical service fittings.

1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide manufacturer's standard catalog pages and data sheets including dimensions, materials, fabrication details, finishes, conductor and cable fill capacities,service condition requirements, and accessories.

C. Samples:

1. Trench Duct: One section including cover with trim to be installed.

2. Junction Boxes: One of each type including cover with trim to be installed.

3. Service Fittings: One of each type and finish specified.

D. Manufacturer's Instructions: Indicate application conditions and limitations of use stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of product.

1.06 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

B. Maintain at the project site a copy of each referenced document that prescribes execution requirements.

1.07 DELIVERY, STORAGE, AND HANDLING
A. Receive, inspect, handle, and store products in accordance with manufacturer's instructions.

CIP 689 - Clark Building Renovations
UNDERFLOOR RACEWAYS FOR ELECTRICAL SYSTEMS 260539 -2
PART 2 PRODUCTS

2.01 DUCT SYSTEM REQUIREMENTS
A. Provide all components, fittings, supports, and accessories required for a complete duct system.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Do not use duct systems for applications other than as permitted by NFPA 70 and product listing.

2.02 UNDERFLOOR DUCT
A. Manufacturers:

1. Dennis Filges Company, Inc; Or Equal: www.filgesco.com/#sle.

2. Hubbell Incorporated; Or Equal: www.hubbell.com/#sle.

3. Wiremold, a brand of Legrand North America, Inc; Or Equal: www.legrand.us/#sle.

4. Or Equal.

B. Configuration: Distribution and header underfloor duct for single service or multiple services as indicated on drawings; for multiple services use multiple compartment duct or parallel single compartment ducts positioned together.

C. Underfloor Duct:

1. Description: Steel duct with corrosion-resistant coating, designed for installation beneath concrete floor surface; suitable for use as underfloor raceway and listed and labeled as complying with UL 884.

2. Compartment Size:
a. Distribution Duct: As indicated on the drawings.
b. Header Duct: Same as specified for distribution duct unless otherwise indicated.

3. Preset Inserts:
a. Distribution Duct:
1) Type: As required to accommodate specified service fittings. 2) Height: Selected according to depth of concrete cover. 3) Spacing: 24 inches (610 mm).
4) Furnish with removable cap recessed to hold concrete. b. Header Duct: None (blank duct).

D. Junction Boxes: Standard duty unless otherwise indicated.

1. Provide junction box(es) for connections and intersections of duct runs as indicated or as required for duct configuration installed.

2. Junction Boxes: Furnished with openings on four sides for duct connections and openings on four corners for conduit connections; with partitions to separate multiple services; with integral means for leveling adjustment prior to concrete pour.

3. Height: Selected according to duct to be installed and depth of concrete cover.

4. Cover Plate: Furnished with trim suitable for flooring to be installed.

E. Duct Supports: Steel with corrosion-resistant coating, with integral means for leveling adjustment prior to concrete pour; height to be selected according to duct to be installed and depth of concrete cover.

F. Marker Caps: Preset insert caps with integral marker screw for indicating location of duct run after concrete pour; provide different material screws for distinguishing between power and communications duct runs.

2.03 SERVICE FITTINGS
A. Manufacturer: Same as manufacturer of duct system to be installed.

B. Description: Service fittings compatible with duct system to be installed with all components, adapters, and trims required for complete installation.

C. Receptacles: Comply with Section 262726.

CIP 689 - Clark Building Renovations
UNDERFLOOR RACEWAYS FOR ELECTRICAL SYSTEMS 260539 -3
PART 3 EXECUTION

3.01 EXAMINATION
A. Verify that field measurements are as indicated.

B. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Unless otherwise indicated, arrange duct to be parallel or perpendicular to building lines.

D. Install duct supports located according to manufacturer's recommendations, but not exceeding 5 feet (1.5 m) between supports. Permanently fasten duct supports to the supporting framework.

E. Provide expansion fittings with suitable bonding jumper where duct crosses structural joints intended for expansion.

F. Make adjustments such that duct is level at the proper elevation. Unless otherwise indicated, adjust as follows:

1. Underfloor Duct: Tops of inserts 1/8 to 3/8 inch (3.2 to 9.5 mm) below screed line or as required by manufacturer.

G. Install marker caps in each insert adjacent to junction boxes, at end of each duct run, on both sides of permanent partitions, and on both sides of change in direction of duct. Adjust markers to be flush with finished floor except only extend through backing material for carpeted areas.

H. Provide grounding and bonding in accordance with Section 260526.

I. Prior to concrete placement, seal duct system connections and openings with duct tape or manufacturer's recommended compound to prevent entry of concrete.

J. Install service fittings after installation of floor finishes. Cut floors according tomanufacturer's instructions as required.

3.03 FIELD QUALITY CONTROL
A. See Section 014000 - Quality Requirements, for additional requirements.

B. Inspect duct system components for damage and defects.

C. Service Fittings: Test each wiring device to verify operation and proper polarity.

D. Correct wiring deficiencies and replace damaged or defective duct system components.

E. Repair or replace floors damaged as a result of work of this section.

3.04 ADJUSTING
A. Adjust duct system covers to eliminate movement and noise under normal traffic.

3.05 CLEANING
A. After concrete placement and before installation of conductors and cables, clean interior of duct system to remove moisture and foreign matter.

B. Clean exposed surfaces to remove dirt, paint, or other foreign material and restore to match original factory finish.

3.06 PROTECTION
A. Prior to concrete placement, do not use installed duct system as walkway or working platform.

B. Protect installed duct system from subsequent construction operations. Do not allow equipment or heavy traffic over the duct system without using ramps that ensure load is not transferred to the duct.

END OF SECTION

CIP 689 - Clark Building Renovations
VIBRATION AND SEISMIC CONTROLES FOR ELECTRICAL 260548 -1 SECTION 260548

VIBRATION AND SEISMIC CONTROLS FOR ELECTRICAL SYSTEMS
PART 1 GENERAL

1.01 SECTION INCLUDES
A. Vibration isolation requirements.

B. Seismic control requirements.

C. Vibration-isolated equipmentsupport bases.

D. Vibration isolators.

E. External seismic snubber assemblies.

F. Seismic restraint systems.

1.02 REFERENCE STANDARDS
A. ASHRAE (HVACA) - ASHRAE Handbook - HVAC Applications Most Recent Edition Cited by Referring Code or Reference Standard.

B. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

C. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

1.03 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

B. Design Documents: Prepare and submit all information required for plan review and permitting by authorities having jurisdiction, including but not limited to floor plans, details, and calculations.

1.04 QUALITY ASSURANCE
A. Comply with NFPA 70.

B. Comply with applicable building code.

PART 2 PRODUCTS

2.01 VIBRATION ISOLATION REQUIREMENTS
A. Design and provide vibration isolation systems to reduce vibration transmission to supporting structure from vibration-producing electrical equipment and/or electrical connections to vibrationisolated equipment.

B. Comply with applicable general recommendations of ASHRAE (HVACA), where not in conflict with other specified requirements:

C. General Requirements:

1. Select vibration isolators to provide required static deflection.

2. Select vibration isolators for uniform deflection based on distributed operating weight of actual installed equipment.

D. Conduit Isolation:

1. Use flexible conduit or cable for electrical connections to vibration-isolated equipment, including equipment installed under other sections or by others.

PART 3 EXECUTION

3.01 EXAMINATION
A. Verify that field measurements are as shown on the drawings.

B. Verify that mounting surfaces are ready to receive vibration isolation and/or seismic control components and associated attachments.

C. Verify that conditions are satisfactory for installation prior to starting work.

CIP 689 - Clark Building Renovations
VIBRATION AND SEISMIC CONTROLES FOR ELECTRICAL 260548 -2

3.02 INSTALLATION
A. Install products in accordance with manufacturer's instructions.

B. Install products in accordance with applicable requirements of NECA 1 (general workmanship).

C. Install anchors and fasteners in accordance with ICC Evaluation Services, LLC(ICC-ES) evaluation report conditions of use where applicable.

D. Secure fasteners according to manufacturer's recommended torque settings.

E. Install flexible conduit and cable connections to provide sufficient slack for vibration isolation and/or seismic relative displacements as indicated or as required.

F. Vibration Isolation Systems:

1. Clean debris from beneath vibration-isolated equipment that could cause short-circuiting of isolation.

2. Use elastomeric grommets for attachments where required to prevent short-circuiting of isolation.

3. Adjust isolators to be free of isolation short circuits during normal operation.

4. Do not overtighten fasteners such that resilient material isolator pads are compressed beyond manufacturer's maximum recommended deflection.

END OF SECTION

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -1
SECTION 260943 - NETWORK LIGHTING CONTROLS
PART 1 - GENERAL

1.1 Summary
.1 Section includes a networked lighting control system comprised of the following components:
.1 System Software Interfaces
.1 Management Interface
.2 Visualization Interface
.3 Smartphone Programming Interface for Wired Devices
.2
.4
System
Smartphone Programming Interface for Wireless Devices
Backbone and Integration Equipment
.1 System Controller
.2 Digital Time Clock
.3 Wired Networked Devices
.1 Wall Stations
.2 Graphic Wall Stations
.3 Digital Key Switches
.4 Auxiliary Input/Output Devices
.5 Occupancy and Photocell Sensors
.6 Wall Switch Sensors
.7 Embedded Sensors
.8 Power Packs and Secondary Packs
.9 Networked Luminaires
.10 Relay and Dimming Panel
.11 Bluetooth® Low Energy Programming Device
.12 Communication Bridge
.13 Wired Distributed Low-Voltage Luminaires
.4 Wireless Networked Devices
.1 Wireless Networked Wall Switches, Dimmers
.2 Wireless Networked Auxiliary Fixture Control Devices

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -2
.3 Wireless Networked Indoor Occupancy and Photosensors .4 Wireless Networked Outdoor Occupancy andPhotosensors .5 Wireless Networked Indoor Embedded Sensors
.6 Wireless Networked Power Packs
.7 Wireless Networked Luminaires
.2 The networked lighting control system shall meet all the characteristics and performance requirements specified herein.
.3 The contractor shall provide, install and verify proper operation of all equipment necessary for proper operation of the system as specified herein and as shown on applicable drawings.

1.2 Submittals
.1 Submittal shall be provided including the following items. .1 Bill of Materials necessary to install the networked lighting controlsystem. .2 Product Specification Sheets indicating general device descriptions, dimensions, electrical specifications, wiring details, and nomenclature. .3 Riser Diagrams showing device wiring connections of system backboneand typical per room/area type.
.4 Information Technology (IT) connection information pertaining to interconnection with facility IT networking equipment and third-party systems. .5 Other Diagrams and Operational Descriptions – as needed to indicate system operation or interaction with other system(s).
.6 Contractor Startup/Commissioning Worksheet (must be completed prior to factory start-up).
.7 Service Specification Sheets indicating general service descriptions, including startup, training, post-startup support, and service contract terms. .8 Hardware and Software Operation Manuals.

1.3 Approvals
.1 Prior approval from owner’s representative is required for products or systems manufactured by companies not specified in the Network Lighting Controls section of this specification. .2 Any alternate product or system that has not received prior approval from the owner’s representative at least 10 days prior to submission of a proposal package shall be rejected. .3 Alternate products or systems require submission of catalog datasheets,system overview documents and installation manuals to owner’s representative.

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -3
.4 For any alternate system that does not support any form of wireless communication to networked luminaires, networked control devices, networked sensors, or networked input devices, bidders shall provide a total installed cost including itemized labor costs for installing network wiring to luminaires, control devices, sensors, input devices and other required system peripherals.

1.4 Quality Assurance
.1 Product Qualifications
.1 System electrical components shall be listed or recognized by a nationally recognized testing laboratory (e.g., UL, ETL, or CSA) and shall be labeled with required markings as applicable.
.2 System shall be listed as qualified under DesignLights Consortium Networked Lighting Control System Specification V5.0 or later.
.3 System luminaires and controls shall be certified by the manufacturer to have been designed, manufactured, and tested for interoperability. .4 All components shall be subjected to 100% end of line testing prior to shipment to the project site to ensure proper device operation.
.5 All components and the manufacturing facility where product is manufactured shall be RoHS compliant.
.2 Installation and Startup Qualifications
.1 System startup shall be performed by qualified personnel approved or certified by the manufacturer.
.3 Service and Support Requirements
.1 Phone Support: Toll-free technical support shall be available. The manufacturer shall provide an online tool to schedule a technical support appointment.

Manufacturer shall provide 24/7 emergency support.
.2 Remote Support: The manufacturer shall offer remote support capability and the ability to virtually connect with customers to address issues with visual guidance overlaid on images of real-world objects. Cellular connectivity to a networked lighting control systems shall be optionally available to provide remote support within the continental United States.
.3 Onsite Support: The manufacturer shall offer onsite support that is billable. .4 Service Contracts:
.1 The manufacturer shall be capable of providing service contracts for continued support of the lighting control system post installation, including:
.1 Remote and onsite emergency response based on first availability .2 Remote system performance checks
.3 Remote diagnostics

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -4
.4 Replacement parts
.5 The manufacturer shall be capable of providing a 72-hour, onsite response time within the continental United States ifrequired.

1.5 Lighting Control Manufacturer Policies
.1 Shall provide a clear and documented method to contact them regarding a vulnerability and should have a dedicated Product Security Incident Response function. .2 Shall build its security risk, governance and compliance infrastructure leveraging standards-derived policies, industry best practices and guidelines. .3 Shall make available a written description or provide documentation describing a security vulnerability policy.
.4 Shall make available a written description or provide documentation describing a security response plan.
.5 Shall make available a means to accept external security vulnerability notifications. .6 Shall reply within two business days of receiving a vulnerability notification. .7 Shall be SOC 2 Type 1 or Type 2 compliant.

1.6 Project Conditions
.1 Only install indoor equipment after the following site conditions are maintained:
.1 Ambient Temperature: 14 to 105 degrees F (-10 to 40 degrees C) .2 Relative Humidity: less than 90% non-condensing
.2 Equipmentshall not be subjected to dust, debris, moisture, or temperature and humidity conditions exceeding the requirements indicated above or as marked on the product, at any point prior to installation.
.3 Only properly rated equipment and enclosures, installed per the manufacturer’s instructions, may be subjected to dust and moisture following installation.

1.7 Warranty
.1 The manufacturer shall provide a minimum five-year warranty on all hardware devices supplied and installed. Warranty coverage shall begin on the date ofshipment. .2 The hardware warranty shall cover repair or replacement of any defective products within the warranty period.

1.8 Maintenance & Sustainability
.1 The manufacturer shall make available to the owner new parts, upgrades, and/or replacements available for a minimum of 5 years following installation.

PART 2 - EQUIPMENT

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -5

2.1 Manufacturers
.1 Acceptable Manufacturers
.2 Acuity Brands Lighting, Inc.
.3 Basis of Design System: Acuity Controls n Light

2.2 System Compliance
.1 System components shall comply with UL 916 and UL 924 standards where applicable. .2 System components shall comply with CFR Title 47, Part 15 standards where applicable.
.3 System components shall comply with ISED Canada RSS-247 standards where applicable.
.4 All equipment shall be installed and connected in compliance with NFPA 70.

2.3 System Performance Requirements
.1 System Architecture
.1 System shall have an architecture that is based upon three main concepts: (1) networkable intelligent lighting control devices, (2) standalone lighting control zones using distributed intelligence, (3) optional system backbone for remote, time based and global operation.
.2 Intelligent lighting control devices shall have individually addressable network communication capability and consist of one or more basic lighting control components:
occupancy sensor, photocell sensor, relay, dimming output, contact closure input, analog 0-10V input, and manual wall station capable of indicating switching, dimming, and/or scene control. Combining one or more of these components into a single device enclosure shall be permissible so as to minimize overall device count of system. .3 System must be capable of interfacing directly with networked luminaires such that either low voltage network cabling or wireless RF communication is used to interconnect networked luminaires with control components such as sensors, switches and system backbone (see Control Zone Characteristics sections for each type of network connection, wired or wireless).
.4 Networked luminaires and intelligent lighting control devices shall support individual (unique) configuration of device settings and properties, with such configuration residing within the networked luminaires and intelligent control devices.

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -6
.5 Lighting control zones consisting of one or more networked luminaires and intelligent lighting control devices and shall be capable of providing automatic control from sensors (occupancy and/or photocell) and manual control from local wall stations without requiring connection to a higher-level system backbone;this capability is referred to as “distributed intelligence.”
.1 Lighting control zones (wired and wireless) of at least 128 devices per zone shall be supported.
.6 Networked luminaires and intelligent lighting control devices shall have distributed intelligence programming stored in non-volatile memory, such that following any loss of power the lighting control zones shall operate according to their defined default settings and sequence of operations.
.7 Lighting control zones shall be capable of being networked with a higher-level system backbone to provide time based control, remote control from inputs and/or systems external to the control zone, and remote configuration and monitoring through a software interface.
.8 The system may include one or more system controllers that provide time-based control.

The system controller also provides a means of connecting the lighting control system to a system software interface and building management systems via BACnet/IP or BACnet MS/TP protocol.
.9 All system devices shall support firmware update, either remotely or from within the applications space, for purposes of upgrading functionality at a later date. .10 System shall be capable of reporting lighting system events and performance data to management software for display and analysis.
.2 Wired Networked Control Zone Characteristics
.1 Connections to devices within a wired networked lighting control zone and to backbone components shall be with a single type of low voltage network cable, which shall be compliant with CAT5e specifications or higher. To prevent wiring errors and provide cost savings, the use of mixed types of low voltage network cables shall not be permitted.
.2 Devices in an area shall be connected via a “daisy-chain” topology. “Hub-and- spoke” topology, requiring all individual networked devices to be connected back to a central component, shall not be permitted, so as to reduce the total amount of network cable required for each control zone.
.3 System shall provide the option of having pre-terminated plenum rated low voltage network cabling supplied with hardware to reduce the opportunity for improper wiring and communication errors during system installation. .4 Following proper installation and provision of power, all networked devices connected with low voltage network cable shall automatically form a functional lighting control zone without requiring any type of programming, regardless of the programming mechanism (e.g. software application, handheld remote, pushbutton).

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.1 The “out of box” default sequence of operation is intended to provide typical sequence of operation to minimize the system startup and programming requirements and to also have functional lighting control operation prior to system startup and programming.
.5 Once software is installed, system shall be able to automatically discover all connected devices without requiring any provisioning of system or zone addresses. .6 All networked devices shall have the ability to detect improper communication wiring and blink its LED in a specific cadence as to alert installation/startup personnel.
.7 Networked control devices intended for control of egress and/or emergency light sources shall not require the use of additional, externally mounted UL924 shunting and/or 0-10V disconnect devices, so as to provide a compliant sequence of operation while reducing the overall installation and wiring costs of the system. The following types of wired networked control devices shall be provided for egress and/or emergency light fixtures:
.1 Low-Voltage power sensing: These devices shall automatically provide 100% light level upon detection of loss of power sensed via the low voltage network cable connection.
.2 UL924 Listed Line-Voltage power sensing: These devices shall be listed as emergency relays under the UL924 standard, and shall automatically close the load control relay and provide 100% light output upon detection of loss of power sensed via line voltage connection to normal power. .8 Networked luminaires and intelligent lighting control devices located in different areas shall be able to transmit and track information within at least 128 system- wide control zones to support required sequences of operation that may span across multiple areas.

Occupancy and photocell commands shall be available across a single controller, and switch commands shall be available across single or multiple controllers. These shall also be referred to as global control zones.
.9 Wired networked Wall stations shall provide the follow Scene Control Capabilities:
.1 Preset Scenes that can activate a specific combination of light levels across multiple local and global channels, as required.
.2 Profile Scenes that can modify the sequence of operation for the devices in the area (group) in response to a button press. This capability is defined as supporting “Local Profiles” and is used to dynamically optimize the occupant experience and lighting energy usage.
.1 Wall stations shall be able to manually start and stop Local Profiles, or the local profile shall be capable of ending after a specific duration of time between 5 minutes and 12 hours.

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.2 Parameters that shall be configurable and assigned to a Local Profile shall include, but not be limited to, fixture light level, occupancy time delay, response to occupancy sensors (including enabling/disabling response), response to daylight sensors (including enabling/disabling response), and enabling/disabling of wall stations.
.3 3-way / multi-way control: multiple wall stations shall be capable of controlling the same local and global control zones, so as to support “multi-way” preset scene and profile scene control.
.3 Wireless Networked Control Zone Characteristics
.1 No wired connections between networked devices shall be required for the purposes of system communications.
.2 Multiple wireless networking protocols shall be supported:
.1 A standards based, distributed star topology type of protocol for 900 MHz communication, so as to support lighting control applications and IoT applications.
.2 A Bluetooth standard protocol for 2.4 GHz communication that supports direct connection to a smartphone and tablet device, so as to support device configuration, control applications, and IoT without requiring the use of a system backbone.
.3 Wireless network shall be self-healing, such that the loss of backbone or local communication between devices does not result in the loss of local control of the lights in the space.
.4 Wireless network communication shall support uniform and instant response such that all luminaires in a lighting control zone respond immediately and synchronously in response to a sensor or wall station signal. .5 To support the system architecture requirement for distributed intelligence, wireless network communication shall support communication of control signals from sensors and wall stations to networked luminaires and wireless load control devices, without requiring any communication, interpretation, or translation of information through a backbone device such as a wireless access point, communication bridge or gateway. .6 All wireless communication between lighting control components shallsupport the following five tiers of security measures.
.1 Data Encryption
.2 Firmware Protection
.3 Tamper-Proof Hardware
.4 Authenticated User Access
.5 Mutual Device Authentication

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.7 Wireless devices shall use AES encryption to secure communication. A unique encryption key shall be generated for each programmed site. .8 Wireless devices shall use signed firmware to ensure that unmodified, authentic software is always installed.
.9 Accounting for typical environmental conditions and building construction materials encountered within commercial indoor lighting environments, wireless networked devices shall be capable of communicating to at least 150’ spacing between devices with embedded wireless transceivers under typical site conditions. .10 Wireless networked devices shall have a line-of-sight communication range of at least 1,000’ under ideal environmental conditions.
.11 Wireless devices shall self-identify when communication to the system controller cannot be accomplished or when communication to the system controller islost. .1 This capability shall be available for all wireless relays, sensors, and luminaire-integrated devices that are not powered by batteries. .2 This capability shall not be required for wireless switches or battery powered devices.
.12 Wireless devices shall self-establish connection of other devices to a system controller if direct communication cannot be accomplished or when communication to the system controller is lost.
.1 The path for communication shall utilize existing, wireless networked devices that are located between a system controller and respective end devices. .2 Installation of additional hardware for formation of a networked communication path between a system controller and end devicesshall not be required.
.3 This capability shall be available for all wireless relays, sensors, and luminaire-integrated devices that are not powered by batteries. .4 This capability shall not be required for wireless switches or battery powered devices.
.4 System Integration Capabilities
.1 The system shall interface with third party building management systems (BMS) to support two-way communication using the industry standard BACnet/IP protocol, BACnet MS/TP protocol, and RESTful API. The following system integration capabilities shall be available:
.1 The system shall support “write” messages for control of individual devices, including, but not limited to, control of relay and dimming output. .2 The system shall support “write” messages for control of groups of devices through a single command, including, but not limited to, control of relay and dimming output of all devices.

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.3 The system shall support reading of individual device statusinformation. .1 The available status will depend on the individual device type and capabilities, which may include but not be limited to, relay state, dimming output, power measurement, occupancy sensor status, and photocell light measurement.
.2 All system devices shall be available for polling fordevices status.
.4 The system shall support reading of group status information for occupancy, relay state, and dimming output.
.5 The system shall support activation of pre-defined system Global Profiles (see Supported Sequence of Operations for further definition of Global Profile capabilities).
.2 The system shall support activation of Global Profiles from third party systems by receiving dry contact closure output signals or digital commands viaRS-232/RS485. (See Supported Sequence of Operations for further definition of Profile and Scene Preset capabilities.)
.3 The system shall support activation of demand response levels from Demand Response Automation Servers (DRAS) via the OpenADR 2.0a protocol. .5 Supported Sequence of Operations
.1 Control Zones
.1 Networked luminaires and intelligent lighting control devices installed in an area (also referred to as a group of devices) shall be capable of transmitting and tracking occupancy sensor, photocell sensor, and manual switch information within at least 48 unique control zones to support different and reconfigurable sequences of operation within the area. These shall also be referred to as local control zones.
.2 Networked luminaires and intelligent lighting control devices shall include the ability to track occupancy broadcasts from adjacent zones. When this feature is enabled, luminaire output for a vacant zone will reduce to a configurable dimmed state if one or more adjacent zones are occupied. Luminaires will turn off when both primary and adjacent zones are vacant.
.2 Wall station Capabilities
.1 Wall stations shall be provided to support the following capabilities:
.a On/Off of a local control zone.
.b Continuous dimming control of light level of a local control zone. .2 3-way / multi-way control: multiple wall stations shall be capable of controlling the same local control zones, so as to support “multi-way” switching and/or dimming control.
.3 Occupancy Sensing Capabilities

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.1 Occupancy sensors shall be configurable to control a local zone. .2 Multiple occupancy sensors shall be capable of controlling the same local zones.

This capability combines occupancy sensing coverage from multiple sensors without consuming multiple control zones.
.3 System shall support the following types of occupancy sensing sequenceof operations:
.a On/Off Occupancy Sensing
.b Partial-On Occupancy Sensing
.c Partial-Off Occupancy Sensing
.d Vacancy Sensing (Manual-On /Automatic-Off)
.4 On/Off, Partial-On, and Partial-Off Occupancy Sensing modes shall function according to the following sequence of operation:
.a Occupancy sensors shall automatically turn lights on to a designated level when occupancy is detected. To support fine tuning of Partial- On sequences the designated occupied light level shall support at least 100 dimming levels.
.b Occupancy sensors shall automatically turn lights off or to adimmed state (Partial-Off) when vacancy occurs or if sufficient daylight is detected. To support fine tuning of Partial-Off sequences the designated unoccupied dim level shall support at least 100 dimming levels.
.c To provide additional energy savings the system shall also be capable of combining Partial-Off and Full-Off operation by dimming the lights to a designated level when vacant and then turning the lights off completely after an additional amount of time.
.d Photocell readings, if enabled in the Occupancy Sensing control zone, shall be capable of automatically adjusting the light level during occupied or unoccupied conditions as necessary to further reduce energy usage.

Additional requirements and details for photocell sensing capabilities are indicated under Photocell Sensing Capabilities.
.e The use of a wall station shall change the dimming level or turn lights off as selected by the occupant. The lights shall optionally remain in this manually-specified light level until the zone becomes vacant; upon vacancy the normal sequence of operation, as defined above, shall proceed. .5 Vacancy Sensing mode (also referred to as Manual-On / Automatic-Off) shall function according to the following sequence of operation:
.a The use of a wall station is required turn lights on. The system shall be capable of programming the zone to turn on to either to a designated light level or the previous user light level. Initially occupying the space without using a wall station shall not result in lights turning on.

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.b Occupancy sensors shall automatically turn lights off or to adimmed state (Partial-Off) when vacancy occurs or if sufficient daylight is detected. To support fine tuning of Partial-Off sequences the designated unoccupied dim level shall support at least 100 dimming levels.
.c To provide additional energy savings and an enhanced occupant experience, the system shall also be capable of dimming the lights when vacant and then turning the lights off completely after an additional amount of time.
.d To minimize occupant impact in case the area or zone is still physically occupied following dimming or shutoff of the lights due to detection of vacancy, the system shall support an “automatic grace period” immediately following detection of vacancy, during which time any detected occupancy shall result in the lights reverting to the previous level. After the grace period has expired, the use of a wall station is required to turn lights on. .e Photocell readings, if enabled in the Occupancy Sensing control zone, shall be capable of automatically adjusting the light level during occupied or unoccupied conditions as necessary to further reduce energy usage.

Additional requirements and details for photocell sensing capabilities are indicated under Photocell Sensing Capabilities.
.f At any time, the use of a wall station shall change the dimming level or turn lights off as selected by the occupant. The lights shall optionally remain in this manually-specified light level until the zone becomes vacant; upon vacancy the normal sequence of operation, as defined above, shall proceed.
.6 To accommodate diverse types of environments, occupancy time delays before dimming or shutting off lights shall be specifiable for control zones between 15 seconds to 2 hours.
.4 Photocell Sensing Capabilities (Automatic Daylight Sensing) .1 Photocell sensing devices shall be configurable to control a local zone. .2 The system shall support the following type of photocell-based control:
.a Continuous Dimming: The control zone automatically adjusts its dimming output in response to photocell readings, such that a minimum light level consisting of both electric light and daylight sources is maintained at the task. The photocell response shall be configurable to adjust the photocell setpoint and dimming rates. .5 Schedule Capabilities
.1 System shall support the creation of time schedules for time-of-day override of devices including offsets from dusk and dawn. .2 System shall support blink warning and timed extension capabilities.

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.1 The system shall be capable of providing a visible “blink warning” 5 minutes prior to the end of the schedule.
.2 Wall stations may be programmed to provide timed
extensions/overrides that turn the lights on for an additional period of time.
.1 Timed override/extension duration shall be programmable for each individual device, zone of devices, or customized group of devices, ranging from 5 minutes to 12 hours.
.6 Global Profile Capabilities
.1 The system shall be capable of automatically modifying the sequence of operation for selected devices in response to any of the following: a time-of- day schedule, contact closure input state, manually triggered wired wall station input, RS-232/RS485 command to wired input device, and BACnet input command. This capability is defined as supporting “Global Profiles” and is used to dynamically optimize the occupant experience and lighting energy usage.
.2 Global profiles may be scheduled with the following capabilities:
.a Global Profiles shall be stored within and executed from the system controller (via internal timeclock) such that a dedicated software host or server is not required to be online to support automatic scheduling and/or operation of Global Profiles.
.b Global Profile time-of-day schedules shall be capable of beinggiven the following recurrence settings: daily, specific days of week, every “n” number of days, weekly, monthly, and yearly. Lighting control profile schedules shall support definition of start date, end date, end after “n” recurrences, or never ending. Daylight savings time adjustments shall be capable of being performed automatically, if desired.
.c Global Profile Holiday Schedules should follow recurrent settings for specific US holiday dates regardless if they always occur on a specific date or are determined by the day/week of the month.
.d Global Profiles shall be capable of being scheduled to run according to timed offsets relative to sunrise or sunset. Sunrise/sunset times shall be automatically derived from location information using an astronomical clock.
.e Software management interface shall be capable of displaying a graphic calendar view of profile schedules for each control zone. .3 System Global Profiles shall have the following additional capabilities:
.a Global Profiles shall be capable of being manually activated directly from the system controller, specially programmed wired input devices, scene capable wired wall stations, and the software management interface.

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.b Global Profiles shall be selectable to apply to a single device,zone of devices, or customized group of devices.
.c Parameters that shall be configurable and assigned to a Global Profile shall include, but not be limited to, fixture light level, occupancy time delay, response to occupancy sensors (including enabling/disabling response), response to daylight sensors (including enabling/disabling response), and enabling/disabling of wallstations.
.4 A backup of Local and Global Profiles shall be stored on the software’s host server such that the Profile backup can be applied to a replacement system controller or wired wall station.
.7 System shall support automated demand response capabilities with automatic reduction of light level to at least three levels of demand response, configurable for each output device.

2.4 System Software Interfaces
.1 Management Interface
.1 System shall provide a web-based management interface that provides remote system control, live status monitoring, and configuration capabilities of lighting control settings and schedules.
.2 Management interface must be compatible with industry-standard web browser clients, including, but not limited to, Microsoft Internet Explorer®, Apple Safari®, Google Chrome®, Mozilla Firefox®.
.3 Management interface shall require all users to login with a User Name and Password, and shall support creation of at least 100 unique useraccounts. .4 Management interface shall support at least three permission levels for users: readonly, read & change settings, and full administrative system access. .5 Management interface shall be capable of restricting access for user accountsto specific devices within the system.
.6 All system devices shall be capable of being given user-defined names. .7 The following device identification information shall be displayed in the Management interface: model number, model description, serial number or network ID, manufacturing date code, custom label(s), and parent network device. .8 Management interface shall be able to read the live status of a networked luminaire or intelligent control device and shall be capable of displaying luminaire on/off status, dim level, power measurement, device temperature, PIR occupancy sensor status, microphonic occupancy sensor status, remaining occupancy time delay, photocell reading, and active Profiles.

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.9 Management interface shall be able to read the current active settings of a networked luminaire or intelligent control device and shall be capable of displaying dimming trim levels, occupancy sensor and photocell enable/disable, occupancy sensor time delay and light level settings, occupancy sensor response (normal or vacancy), and photocell setpoints and transition timedelays.
.10 Management interface shall be able to change the current active settings and default settings for an individual networked luminaire or intelligent control device. .11 Management interface shall be capable of applying settings changes for a zone of devices or a group of selected devices using a single “save” action that does not require the user to save settings changes for each individual device.
.12 A printable network inventory report shall be available via the management interface.
.13 A printable report detailing all system profiles shall be available via the management interface.
.14 All sensitive information stored by the software shall be encrypted. .15 All system software updates must be available for automatic download and installation via the internet.
.2 System Energy Analysis & Reporting Software:
.1 Intuitive graphical screens shall be displayed in order to facilitate simple viewing of system energy performance.
.2 An “Energy Scorecard” shall be display that shows calculated energy savings in dollars or KWh.
.3 Software shall calculate the allocation of energy savings to different control measures (occupancy sensors, photocells, manual switching, etc). .4 Energy savings data shall be calculated for the system as a whole. .5 A time scaled graph showing all relay transitions shall be presented. .6 A time scaled graph showing a zones occupancy time delay shall be presented. .7 A time scaled graph showing the total light level shall be presented. .8 Software shall be capable of storing information remotely onto an open-source, objectrelational database, such as PostgreSQL. .9 Data stored in the database shall be accessed utilizing an open standard, application programming interface, such as Open Database Connectivity (ODBC).
.3 Visualization and Programming Interfaces
.1 System shall provide an optional web-based visualization interface that displays graphical floorplan.

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.2 Graphical floorplan shall offer the following types of systemvisualization:
.1 Full Device Option - A master graphic of the entire building, by floor, showing each control device installed in the project with zones outlined. This shall include, but not be limited to, the following:
.1 Controls embedded light fixtures
.2 Controls devices not embedded in light fixtures
.3 Daylight Sensors
.4 Occupancy Sensors
.5 Wall Switches and Dimmers
.6 Scene Controllers
.7 Networked Relays
.8 Wired Bridges
.9 System Controllers
.10 Wired Relay Panels
.11 Group outlines
.2 Group Only Option - A master graphic of the entire building, by floor, showing only control groups outlined.
.3 Allow for pan and zoom commands so smaller areas can be displayed on a larger scale simply by panning and zooming each floor’s master graphic. .4 A mouse click on any control device shall display the following information (as applicable):
.1 The device catalog number.
.2 The device name and custom label.
.3 Device diagnostic information.
.4 Information about the device status or current configuration is available with an additional mouse click.
.3 Programming capabilitiesthrough the application shall include the following:
.1 Switch/occupancy/photosensor zone configuration
.2 Manual/automatic on modes
.3 Turn-on dim level
.4 Occupancy sensor time delays
.5 Dual technology occupancy sensors sensitivity

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.6 Photosensor calibration adjustment and auto-setpoint .7 Multiple photosensor zone offset
.8 Trim level settings
.9 Preset scene creation and copy for scene capable devices. .10 Application of custom device labels to the Bluetooth Low Energy Programming Devices and individual connected lighting controldevices. .4 Smartphone Programming Interface for Wireless Devices .1 Application interface shall be provided for both Apple iOS® andAndroid operating systems that allows configuration of lighting controlsettings. .2 The application shall support the configuration of wireless networked control devices.
.1 Application shall limit access with a user name and password. .2 Access to the program information will be governed by a permission system that allows users to share access with other users and restrict access to those who should not be able to reconfigure theequipment.
.3 The application shall provide indication of signal strength where multiple Bluetooth Low Energy Programming Devices are available for configuration. .3 Programming capabilities through the application shall include, but not be limited to, the following:
.1 Switch/occupancy/photosensor group configuration
.2 Manual/automatic on modes
.3 Turn-on dim level
.4 Occupancy sensor time delays
.5 Dual technology occupancy sensors sensitivity
.6 Photosensor calibration adjustment and auto-setpoint .7 Multiple photosensor zone offset
.8 Trim level settings

2.5 System Backbone and System Integration Equipment
.1 System Controller
.1 Product Series: nECY
.2 System Controller shall be a multi-tasking, real-time digital control processor consisting of modular hardware with plug-in enclosed processors, communication controllers, and power supplies.

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.3 System Controller shall have 32-bit microprocessor operating at a minimum of 1 GHz. .4 System Controller shall have minimum of 512MB memory, with a minimum of 4GB non-volatile flash, to support its own operating system anddatabases. .5 System Controller shall perform the following functions:
.1 Time-based control of downstream wired and wireless network devices. .2 Linking into an Ethernet network.
.3 Integration with Building Management Systems (BMS) andHeating, Ventilation and Air Conditioning (HVAC) equipment.
.4 Connection to various software interfaces, including management interface, historical database and analytics interface, and visualization interface. .6 System Controller shall have an integral web server to support system controller configuration and diagnostics and shall optionally support control and visualization of connected devices.
.1 Web server shall optionally provide a control interface, accessed via connection to the system controller.
.1 Control Interface shall support representation of all devices associated with the system controller and shall support control of all outputcapable devices. .2 Control Interface shall optionally support representation of devices in a space via a graphical floorplan.
.3 Control Interface shall support control of output-capable devices through virtual sliders, toggle buttons, preset level widgets, and transparent layers on a graphical floorplan.
.4 Control Interface shall support the following types of control capabilities:
.1 Control of individual output devices, including controlof relay state and analog dimming level whereapplicable.
.2 Control of local lighting control zones, includingcontrol of relay state and analog dimming level where applicable.
.3 Control of global lighting control zones, including control of relay state and analog dimming level where applicable.
.4 Control of Global Profiles.
.2 Web server shall optionally provide a visualization interface for viewing device property statuses.

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.1 Visualization interface shall support the ability to superimpose colored, transparent layers representing real-time property values, incuding occupancy status, dimming level status, light level status, and online or offline status where applicable.
.2 Visualization interface shall support ad hoc display of trended information via an intuitive values-over-time graph.
.3 Visualization interface shall support creation of reports. .1 Reports shall accept and graphically display trended status datasets for creator selected devices or zones of devices. .2 Report information shall be displayed over a userdefined interval and date range. .3 Reports shall be exportable to a standard CSV format. .7 Device shall have option for a graphical touch screen to support configuration and diagnostics.
.8 Device shall have three RJ-45 networked lighting control ports for connection to any of the following:
.1 The graphical touch screen
.2 Wired communication bridges
.3 Direct connection to networked wired luminaires and intelligent lighting control devices (up to 128 total devices per port)
.9 Device shall automatically detect all networked devices connected to it. .10 Each System Controller shall be capable of managing and operating at least 750 networked devices (wired or wireless).
.1 Multiple System Controllers may be networked together via LAN connection to scale the system up to at least 20,000 networked devices. .11 System Controller shall support BACnet/IP and BACnet MS/TP protocols to directly interface with BMS and HVAC equipment without the need for additional protocol translation gateways.
.1 BACnet MS/TP shall support 9600 to 115200 baud rate. .2 System Controller shall be BACnet Testing Laboratory (BTL listed) using Device Profile BACnet Building Controller (B-BC) with outlined enhanced features. .12 System controller shall contain a “FIPS 140-2 Level 1 Inside” cryptographic module.
.13 System controller shall support RESTful API control of BACnet objects, user management, date and time, and file management.

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.14 System controller shall be available within a NEMA 1 enclosure with Class 1 and Class 2 separation. Enclosure shall support power input power of 120-277VAC, or optional 347 .15 System controller shall eliminate redundant, wireless networked paths to streamline communication between the system controller and enddevices. .16 System controller shall include the following security provisions. .1 System controller or gateway shall disallow the use of default passwords and require passwords to be updated prior to use.
.2 System controller or gateway shall support user role-based access, such as administrator, user, and viewer.
.3 System controller or gateway shall use signed firmware to ensure that unmodified, authentic software is always installed.
.4 System controller or gateway communicating across an IP network shall protect in-transit data using strong encryption algorithms such as AES or TLS1.2+. .5 Shall prevent rollback of firmware entirely or shall, at minimum, prevent downgrade of firmware to versions with known, criticalvulnerabilities. .6 System controllers or gateway shall have a valid cybersecuritylisting through a third party.
.17 System controller shall be available with a cellular router for remote access. .1 Router shall support remote access to at least five system controllers on its local area network or on its network subnet.
.2 Remote access shall allow for device settings updates, schedule updates, system performance optimization, and diagnostics. .3 Remote access shall be enabled through outbound communication from the cellular router to an outside source. Solutions that begin communication via inbound requests for network access shall not be accepted. .4 Router shall support outbound communication with a manufacturer- hosted portal using TLS1.2 or greater in-transit encryption over a cellular or Ethernet connection.
.5 Router shall include a firewall to prevent unauthorized access to devices connected to its local area network.
.6 Router shall include a cellular SIM capable of connection to AT&T, TMobile, Sprint, US Cellular, Alaska Wireless, Telefonica, Tellus, Bell, or Sasktel networks where carrier service is available.
.7 Outbound communication from the router shall be limited to a whitelist of endpoints.
.8 Outbound communication from the router shall only include lighting control system information.

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.2 Digital Time Clock (DTC)
.1 DTC shall control and program a linear bus of lighting devices and supply all time functions without connection to a system controller.
.1 Programming of the linear bus of lighting devices shall not require additional hardware, including computers, specialized dongles, or other connection devices.
.2 Programming of the linear bus shall be exclusively done through the touch screen interface.
.2 DTC shall be capable of up to 32 schedules. Each schedule shall consist of one set of On and Off times per day for each day of the week and for each of two holiday lists. The schedules shall apply to any individual relay or group ofrelays. .3 DTC shall be run from non-volatile memory so that all system programming is retained indefinitely.
.4 DTC shall be optionally mounted inside of a relay panel. Installation inside of the relay panel shall eliminate the necessity of any additional enclosures for complete installation. .5 DTC shall have a capacitive 3.5” full color touch screen.

2.6 Wired Networked Devices
.1 Wired Networked Wall Switches, Dimmers, Scene Controllers .1 Product Series: nPODM, nPODM xS, nPODM xL, nPODMA, nPODMA xS, nPODMA xL.
.2 Devices shall recess into single-gang switch box and fit a standard GFIopening. .3 Communication and low voltage power shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. .4 All switches shall have the ability to detect when it is not receiving valid communication and blink its LED in a pattern to visually indicate a potential wiring issue. .5 Devices with mechanical push-buttons shall provide tactile and LED user feedback.
.6 Devices with mechanical push-buttons shall be made available with custom button labeling.
.7 Wall switches & dimmers shall support the following device options:
.1 Number of control zones: 1, 2 or 4
.2 Control Types Supported:
.a On/Off

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.b On/Off/Dimming
.c On/Off/Dimming/Correlated Color Temperature Control for specific luminaire types
.3 Colors: Ivory, White, Light Almond, Gray, Black, Red .8 Scene controllers shall support the following device options:
.1 Number of scenes: 1, 2 or 4
.2 Control Types Supported:
.a On/Off
.b On/Off/Dimming
.c Preset Level Scene Type
.d On/Off/Dimming/Preset Level for Correlated Color Temperature .e Reprogramming of other devices within daisy-chained zone so as to implement user selected lighting scene. This shall support manual start/stop from the scene controller, or optionally programmed to automatically end after a user selectable duration between 5 minutes and 12 hours.
.f Selecting a lighting profile to be run by the system’s upstream controller so as to implement a selected lighting profile across multiple zones. This shall support manual start/stop from the scene controller, or optionally programmed to automatically end after a user selectable duration between 5 minutes and 12hours.
.3 Colors: Ivory, White, Light Almond, Gray, Black, Red .2 Wired Networked Graphic Wall Stations
.1 Product Series: nPOD TOUCH
.2 Device shall surface mount to single-gang switch box. .3 Device shall have a 3.5”, capacitive full color touch screen. .4 Device shall be powered with Class 2 low voltage supplied locally via a directly wired power supply.
.5 Device shall enable mobile application control of control zones and scenes through Bluetooth.
.6 Communication shall be over standard low voltage network cabling with RJ-45 connectors.
.7 Device shall enable user supplied screen saver image to be uploaded within one of the following formats: jpg, png, gif, bmp, tif.
.8 Device shall enable configuration of all switches, dimmers, control zones, and lighting preset scenes via password protected setup screens.

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.9 Graphic wall stations shall support the following device options:
.1 Number of control zones: Up to 16
.2 Number of scenes: Up to 16
.3 Profile type scene duration: User configurable from 5 minutes to 12 hours .4 Colors: White, Black
.3 Wired Networked Digital Key Switches
.1 Product Series: nPOD KEY, nPOD KEY MNTN
.2 Devices shall recess into single-gang switch box and fit a standard GFIopening. .3 Communication and low voltage power shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. .4 All switches shall have the ability to detect when it is not receiving valid communication and blink its LED in a pattern to visually indicate a potential wiring issue. .5 Devices shall have LED user feedback to provide indication of on/off status of the programmed lights or scene, as well as indication of device power. .6 Digital key switches shall support the following device options:
.1 Control Types Supported:
.a On/Off
.b On/Off/Dimming
.c Preset Level Scene Type
.d Reprogramming of other devices within daisy-chained zone so as to implement user selected lighting scene. This shall support manual start/stop from the scene controller, or optionally programmed to automatically end after a user selectable duration between 5 minutes and 12 hours. .e Selecting a lighting profile to be run by the system’s upstream controller so as to implement a selected lighting profile across multiple zones. This shall support manual start/stop from the scene controller, or optionally programmed to automatically end after a user selectable duration between 5 minutes and 12 hours.
.2 Colors: Ivory, White, Light Almond, Stainless Steel
.4 Wired Networked Auxiliary Input / Output (I/O) Devices .1 Product Series: nIO-1S, nIO-RLX, nIO-MLO-5STEPA, nIO-MLO-AB, nIO-NLI, nIO-X, nIO-D, nIO-EZ-PH, nIO-EZD, nIO-EZDL, nIO-EZDA, nIO-EZDX, nIOEZDCA, nIO-EZDXA, nIO-EZDCL

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.2 Devices shall be plenum rated and be inline wired, screw mountable, or have an extended chase nipple for mounting to a ½” knockout.
.3 Communication and low voltage power shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. .4 Auxiliary Input/Output Devices shall be specified as an input or output device with the following options:
.1 Contact closure or Pull High input
.a Input shall be programmable to support maintained or momentary inputs that can activate local or global scenes and profiles, activate lights at a preconfigured level, ramp light level up or down, or toggle lights on/off. .2 0-10V analog input
.a Input shall be programmable to function as a daylight sensor. .3 RS-232/RS-485 digital input
.a Input supports activation of up to 4 local or global scenes and profiles, and on/off/dimming control of up to 16 local control zones. .4 0-10V dimming control output, capable of sinking up to 20mA of current .a Output shall be programmable to support all standard sequence of operations supported by system.
.5 Digital control output via EldoLED LEDcode communication .a Output shall be programmable to support light intensity control, as well as optional correlated color temperature (CCT) control, of the connected luminaire.
.5 Wired Networked Occupancy and Photosensors
.1 Product Series: nCM, nCMB, nRM, nWV, nHW
.2 Occupancy sensors shall sense the presence of human activity within the desired space and fully control the on/off function of the lights.
.3 Sensors shall utilize passive infrared (PIR) technology, which detectsoccupant motion, to initially turn lights on from an off state, thus preventing false on conditions.

Ultrasonic or Microwave based sensing technologies shall not be accepted. .4 For applications where a second method of sensing is necessary to adequately detect maintained occupancy (such as in rooms with obstructions), a sensor with an additional “dual” technology shall be used.
.5 Dual technology sensors shall have one of its two technologies not require motion to detect occupancy. Acceptable dual technology includes PIR/Microphonics (also known as Passive Dual Technology or PDT) which both looks for occupant motion and listens for sounds indicating occupants. Sensors where both technologies detect motion (PIR/Ultrasonic) shall not be acceptable.

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.6 All sensing technologies shall be acoustically passive, meaning they do not transmit sounds waves of any frequency (for example in the Ultrasonic range), as these technologies have the potential for interference with other electronic devices within the space (such as electronic white board readers and hearing devices). Acceptable detection technologies include Passive Infrared (PIR), and/or Microphonic technology. Ultrasonic or Microwave based sensing technologies shall not be accepted. .7 System shall have ceiling, fixture, recessed & corner mounted sensors available, with multiple lens options available customized for specific applications. .8 Communication and low voltage power shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. .9 All sensors shall have the ability to detect when it is not receiving valid communication and blink its LED in a pattern to visually indicate a potential wiring issue. .10 Sensor programming parameter shall be available and configurableremotely from the software and locally via the device push-button.
.11 Ceiling mount occupancy sensors shall be available with zero or one integrated dry contact switching relays, capable of switching 1 amp at 24 VAC/VDC (resistive only). .12 Sensors shall be available with one or two occupancy “poles”, each ofwhich provides a programmable time delay.
.13 Sensors shall have optional features for photosensor/daylight override,automatic dimming control, and low temperature/high humidity operation. .14 Photosensor shall provide for an on/off set-point, and a dead band to prevent the artificial light from cycling. Delay shall be incorporated into the photocell to prevent rapid response to passing clouds.
.15 Photosensor and dimming sensor’s set-point and dead band shall be automatically calibrated through the sensor’s microprocessor by initiating an “Automatic Set-point Programming” procedure. Min and max dim settings as well as set-point may be manually entered and/or modified.
.16 Dead band setting shall be verified and modified by the sensor automatically every time the lights cycle to accommodate physical changes in the space (i.e., furniture layouts, lamp depreciation, or lamp outages).
.17 A dual zone option shall be available for On/Off Photocell, Automatic Dimming Control Photocell, or Combination units. The secondary daylight zone shall be capable of being controlled as an “offset” from the primary zone. .6 Wired Networked Wall Switch Sensors
.1 Product Series: nWSX LV, nWSXA LV
.2 Devices shall recess into single-gang switch box and fit a standard GFIopening.

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.3 Communication and low voltage power shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. .4 All wall switch sensors shall have the ability to detect when it is not receiving valid communication and blink its LED in a pattern to visually indicate a potential wiring issue.
.5 Devices with mechanical push-buttons shall provide tactile user feedback. .6 Wall switch sensors shall support the following device options:
.1 User Input Control Types Supported: On/Off or On/Off/Dimming .2 Occupancy Sensing Technology: PIR only or Dual Tech acoustic .3 Daylight Sensing Option: Inhibit Photosensor
.4 Colors: Ivory, White, Light Almond, Gray, Black, Red .7 Wired Networked Embedded Sensors
.1 Product Series: nES
.2 Network system shall have embedded sensors consisting of occupancy sensors and/or dimming photocells that can be embedded into luminaire such that only the lens shows on luminaire face.
.3 Occupancy sensor detection pattern shall be suitable for 7.5’ to 20’ mounting heights.
.4 Embedded sensors shall support the following device options:
.1 Occupancy Sensing technology: PIR only or Dual Tech acoustic .2 Daylight Sensing Option: Occupancy only, Daylight only, or combination Occupancy/Daylight sensor
.8 Wired Networked Power Packs and Secondary Packs
.1 Product Series: nPP16, nPP16-ER, nPP20-PL, nSP16, nSP5-PCD, nSP5-2P- LVR, nSHADE, nAR40, nEPS-60, nPS-80
.2 Power Packs shall incorporate one optional Class 1 relay, optional 0-10 VDC dimming output, and contribute low voltage Class 2 power to the rest of the system. .3 Power Packs shall accept 120 or 277 VAC (or optionally 347 VAC) and carry a plenum rating.
.4 Secondary Packs shall incorporate the relay and 0-10 VDC or line voltage dimming output, but shall not be required to contribute system power. .5 Power Supplies shall provide system power only, but are not required to switch line voltage circuit.

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.6 Auxiliary Relay Packs shall switch low voltage circuits only, capable of switching 1 amp at 40 VAC/VDC (resistive only).
.7 Communication shall be delivered to each device via standard low voltage network cabling with RJ-45 connectors. Secondary packs shall receive low voltage power via standard low voltage network cable.
.8 Power Pack programming parameters shall be available and configurable remotely from the software and locally via the device push-button. .9 Power Pack shall securely mount through a threaded ½ inch chase nipple or be capable of being secured within a luminaire ballast/driver channel. Plastic clips into junction box shall not be accepted. All Class 1 wiring shall pass through chase nipple into adjacent junction box without any exposure of wireleads.

Note: UL Listing under Energy Management or Industrial Control Equipment automatically meets this requirement, whereas Appliance Control Listing does not meet this safety requirement.
.10 When required by local code, Power Pack must install inside standard electrical enclosure and provide UL recognized support to junction box. All Class 1 wiring is to pass through chase nipple into adjacent junction box without any exposure of wire leads. .11 Power/Secondary Packs shall be available with the following options:
.1 Power Pack capable of full 16-Amp switching of all normal power lighting load types, with optional 0-10V dimming output capable of up to 100mA of sink current.
.2 Secondary Pack with UL924 listing for switching of full 16-Amp Emergency Power circuits, with optional 0-10V dimming output capable of up to 100mA of sink current.
.3 Power and Secondary Packs capable of full 20-Amp switching of general purpose receptacle (plug-load) control.
.4 Secondary Pack capable of full 16-Amp switching of all normal power lighting load types.
.5 Secondary Pack capable of 5-Amps switching and dimming 120 VAC incandescent lighting loads or 120/277 VAC line voltage dimmable fluorescent ballasts (2-wire and 3-wire versions).
.6 Secondary Pack capable of 5-Amps switching and dimming of 120/277 VAC magnetic low voltage transformers.
.7 Secondary Pack capable of 4-Amps switching and dimming of 120 VAC electronic low voltage transformers.
.8 Secondary Pack capable of louver/damper motor control for skylights. .9 Secondary Pack capable of providing a pulse on/pulse off signal for purposes of controlling shade systems via relay inputs.

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.10 Secondary Pack capable of switching 1 amp at 40 VAC/VDC (resistive only) with the intent to provide relay signal to auxiliary system(e.g.

BMS).
.11 Power Supply capable of providing auxiliary bus power (no switched or dimmed load).
.9 Wired Networked Luminaires
.1 Networked luminaires shall have a mechanically integrated control device. .2 Networked LED luminaires shall have two RJ-45 ports available (via control device directly or incorporated RJ-45 splitter).
.3 Networked LED luminaires shall be able to digitally network directly to other network control devices (sensors, photocells, switches, dimmers). .4 Networked LED luminaires shall provide low voltage power to other networked control devices (excluding EMG and CCT capable versions). .5 System shall be able to turn on/off specific LED luminaires without using a relay, if LED driver supports “sleep mode.”
.6 System shall be able to maintain constant lumen output over the specified life of the LED luminaire (also called lumen compensation) by automatically varying the dimming control signal to account for lumen depreciation.
.1 System shall indicate (via a blink warning) when the LED luminaire is no longer able to compensate for lumen depreciation.
.7 System shall be able to provide control of network luminaire intensity, in addition to correlated color temperature of specific LED luminaires. .8 System shall be able to provide control of network luminaire intensity, in addition to dynamic features, such as grayscale and color accent of specific LED luminaires. .9 System shall provide correlated color temperature control of specific luminaires over a digital connection.
.1 Correlated color temperature shall be controllable through various ranges, such as 3000-5000K and 2700-6500K, with at least 100 steps within the range.
.2 Changes in correlated color temperature level shall be controllable through the following:
.a Through manual wall switch “raise” and “lower” control .b Through scene-based wall switch control
.c Through touch-screen slider or scene-based control
.d Through scheduled time-of-day or astronomical events .e Through manually triggered inputs (e.g. dry contact)

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.3 Scheduled, scene, and manually triggered correlated color temperature changes shall be capable of changing over an adjustable fade period of 1 second to 5 minutes.
.4 Matching wall switch aesthetics shall be available for switches controlling correlated color temperature and static white luminaires. .10 System shall allow adjustable high end trim levels for luminaires to allow for higher light levels in the morning to support circadian entrainment levels and lower light levels later in the day.
.11 Luminaire shall include a low voltage, DC driver with onboard intelligence. .1 Driver shall be programmable.
.2 Driver shall optionally provide auxiliary power for embedded devices. .10 Wired Distributed Low-Voltage Luminaires
.1 Shall be powered and controlled by low voltage wiring. .2 Shall be able to maintain constant lumen output over the specified life of the LED luminaire by automatically varying the dimming control signal to account for lumen depreciation.
.3 Shall allow for control of luminaire intensity and, where applicable, dynamic color accent features of specific LED luminaires.
.4 Shall be individually addressable, linear fixtures, which may include on-board occupancy and photocell sensors.
.5 Shall support onboard occupancy sensor technology that includes:
.a Passive Infrared only or Dual Tech acoustic passive. .b A passive infrared occupancy sensor detection methodology or a combination of passive infrared and Passive Dual Technology occupancy sensor detection methodologies shall be available.
.c Ultrasonic or Microwave based sensing technologies shall not be accepted. .d Occupancy sensor detection shall be suitable for 7.5’ to 15’ mounting heights. .e Where applicable, photocell capability shall optionally be included with occupancy sensors. Additional device installation shall not be required for photocell capability.
.11 Wired Networked Relay and Dimming Panel
.1 Product Series: ARP
.2 Relay and dimming panel shall be available with 4, 8, 12, 16, 24, 32, 40 or 48 individual relays per panel, with an equal number of individual 0-10V dimming outputs.

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.3 Optional Field Configurable Relays (FCR) used shall have the following required properties:
.1 Configurable in the field to operate with single-, double-, or triple-pole relay groupings.
.2 Configurable in the field to operate with normally closed or normallyopen behavior.
.3 Provides visual status of current state and manual override control of each relay.
.4 Listed for the following minimum ratings:
.a 40A @ 120-480VAC Ballast
.b 16A @ 120-277VAC Electronic
.c 20A @ 120-277VACTungsten
.d 20A @ 48VDC Resistive
.e 2HP @ 120VAC
.f 3HP @ 240-277VAC
.g 65kA SCCR @ 480VAC
.4 0-10 dimming outputs shall support a minimum of 100mA sink current peroutput. .5 Relay and dimming outputs shall be individually programmable to support all standard sequence of operations as defined in this specification. .6 Panel shall be UL924 listed for control of emergency lighting circuits. .7 Panel shall power itself from an integrated 120-277 VAC or optional 347VAC supply.
.8 Panel shall provide a configurable low-voltage sensor input with the following properties:
.1 Configurable to support any of the following input types:
.a Indoor Photocell
.b Outdoor Photocell
.c Occupancy Sensor
.d Contact Closure
.2 Low voltage sensor input shall provide +24VDC power for the sensor so that additional auxiliary power supplies are not required.
.3 Sensor input supports all standard sequence of operations as defined in this specification.
.9 Panel may include a Digital Time Clock for local schedule control.

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.10 Panel shall provide a contact closure input for each group of 8-relays that acts as a panel override to activate the normally configured state of all relays (i.e., normally open or normally closed) in the panel. This input is intended to provide an interface to alarm systems, fire panels, or BMS system to override thepanel. .11 Panel shall supply current limited low voltage power to other networked devices connected via low voltage network cable.
.12 Panel shall be available with NEMA 1 rated enclosure with the following mounting and cover options:
.1 Surface-mounted for all panel sizes
.2 Flush-mounted for up to 16 relay panelsizes
.3 Screw-fastened for up to 16 relay panelsizes
.4 Hinged cover with keyed lock for all panelsizes
.13 Surface-mounted screw cover options for 8 and 16 relay panel sizes shall be plenum rated
.14 Panel shall be rated from 0-50C for 8 and 16 enclosure sizes, and 0-45C for 32 and 48 enclosure sizes.
.12 Wired Networked Bluetooth® Low Energy Programming Device .1 Product Series: nIO BT
.2 Device shall be plenum rated and be inline wired, screw mountable. .3 Communication and low voltage power shall be delivered to device via standard low voltage network cabling with RJ-45 connectors.
.4 Bluetooth Low Energy connection shall allow connection from smartphone application for programming device settings within the local daisy-chain zone (see list of available settings in section 2.4-System Software Interfaces, Sub-section E). .5 Device shall provide visual indication of remote Bluetooth connection via LED integrated into device enclosure such that it is visible from all angles while the zone is being programmed.
.13 Wired Networked Communication Bridge
.1 Product Series: nBRG
.2 Device shall surface mount to a standard 4” x 4” square junction box. .3 Device shall have 8 RJ-45 ports for connection to lighting control zones (up to 128 devices per port), additional network bridges, and System Controller. .4 Device shall be capable of aggregating communication from multiple lighting control zones for purposes of minimizing backbone wiring requirements back to System Controller.

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.5 Device shall be powered with Class 2 low voltage supplied locally via a directly wired power supply, or powered via low voltage network connections from powered lighting control devices (e.g. power packs).
.6 Wired Bridge shall be capable of redistributing power from its local supply and connected lighting control zones with excess power to lighting control zoneswith insufficient local power. This architecture also enables loss of power to a particular area to be less impactful on network lighting controlsystem. .14 Control Modules for Low-Voltage Fixtures:
.1 Shall be powered by 120 or 277 VAC and be UL2043 listed. .2 Shall be remotely configurable using networked lighting controlsoftware. .3 Shall be able to provide UL924-compliant control without the need of an additional, externally-mounted device.

2.7 Wireless Networked Devices
.1 Wireless Networked Wall Switches, Dimmers
.1 Products: rPODB, rPODB xS, rPODL, rPODL xS
.2 Devices shall recess into single-gang switch box and fit a standard GFIopening. .3 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.
.4 Devices shall have options to be powered by battery or line voltage. If powered by battery, expected battery life shall be no less than 10 years. .5 Devices with mechanical push-buttons shall provide tactile and LED user feedback during button press.
.6 Devices with mechanical push-buttons shall be made available with custom button labeling.
.7 Wall switches & dimmers shall support the following device options:
.1 Number of control zones: 1, 2
.2 Control Types Supported: On/Off or On/Off/Dimming
.3 Colors: Ivory, White, Light Almond, Gray, Red
.8 Scene switches shall support the following device options:
.1 Number of Scenes. 2, 4
.2 Control types supported
.a On/Off
.b On/Off/Dimming

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.c Preset Level Scene Type
.2 Wireless Networked Auxiliary Fixture Control Devices .1 Products: rIO
.2 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.
.3 Power shall be delivered to each device via standard low voltage wiring from LED driver.
.3 Wireless Networked Indoor Combination Occupancy and Photosensors .1 Products: rCMS, rCMS PDT, rLSXR, rSBOR, rCMSB
.2 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.
.3 Occupancy sensors shall sense the presence of human activity within the desired space and fully control the on/off function of the lights.
.4 Sensors shall utilize passive infrared (PIR) technology, which detectsoccupant motion, to initially turn lights on from an off state, thus preventing false on conditions.

Ultrasonic or Microwave based sensing technologies shall not be accepted. .5 For applications where a second method of sensing is necessary to adequately detect maintained occupancy (such as in rooms with obstructions), a sensor with an additional “dual” technology shall be used.
.6 Dual technology sensors shall have one of its two technologies not require motion to detect occupancy. Acceptable dual technology includes PIR/Microphonics (also known as Passive Dual Technology or PDT) which both looks for occupant motion and listens for sounds indicating occupants. Sensors where both technologies detect motion (PIR/Ultrasonic) shall not be acceptable.
.7 All sensing technologies shall be acoustically passive, meaning they do not transmit sounds waves of any frequency (for example in the Ultrasonic range), as these technologies have the potential for interference with other electronic devices within the space (such as electronic white board readers). Acceptable detection technologies include Passive Infrared (PIR), and/or Microphonic technology. Ultrasonic or Microwave based sensing technologies shall not be accepted. Power shall be delivered to each device via standard low voltage wiring from a local power pack, by battery, or by line voltage for devices with available nipple mount.
.8 Sensor programming parameter shall be available and configurable remotely from the software
.9 Network system shall have ceiling and fixture mounted sensors available, with multiple lens options available customized for specific applications. .10 Sensors shall be available with zero or one integrated dry contactswitching relays, capable of switching 1 amp at 24 VAC/VDC (resistive only).

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.11 Sensors shall have standard daylight photosensor for programmable daylight harvesting
.12 Photosensor shall provide foot-candle setpoint and a deadband to prevent the artificial light from cycling. Set-point and deadband shall be capable of automatically calibrating through an “Automatic Set-Point Programming” procedure. Min and max dim settings as well as set-point may be manually entered. .13 Deadband setting shall be verified and modified by the sensor automatically every time the lights cycle to accommodate physical changes in the space (i.e., furniture layouts, lamp depreciation, or lamp outages).
.14 Nipple mounted devices shall include an option for power interruption detection, where unit powers and controls the emergency circuit, and an interruption of power to this circuit for >30 ms forces unit to shunt closed, go to full bright, and ignore all system commands for 90 minutes.
.15 Nipple mounted sensors shall have the option to monitor output current.

Measurements shall be accurate within 3% of actual when measuring loads whose current is 225mA or greater.
.4 Wireless Networked Outdoor Combination Occupancy and Photosensors .1 Products: rSDGR, rSBOR, rMSOD, rSBG
.2 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.
.3 Sensor shall be available in both nipple mount and in-fixture mountoptions.

1. Nipple mount sensor shall have an ingress protection rating of IP66..

2. In-fixture mount sensor shall have an ingress protection rating ofIP65.. .5 Sensor shall be capable of operating in -40 to 65C ambient temperature ranges .6 Sensors shall be capable of accepting 120-277, 347, or 480VAC input orDC power for embedded device.
.7 Occupancy sensors shall sense the presence of human activity within the desired space and fully control the on/off function of the lights.
.8 Sensors shall utilize passive infrared (PIR) technology, which detectsoccupant motion, to initially turn lights on from an off state, thus preventing false on conditions.

Ultrasonic or Microwave based sensing technologies shall not be accepted. .9 All sensors shall have the ability to detect when it is not receiving valid communication and blink its LED in a pattern to visually indicate a potential issue. .10 Sensor programming parameter shall be available and configurableremotely from the software.

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.11 Nipple mounted sensors shall be available with multiple lens options available for various mounting heights.
.12 Nipple mounted sensors shall have the option to monitor output current.

Measurements shall be accurate within 3% of actual when measuring loads whose current is 225mA or greater.
.13 Occupancy sensors shall have standard daylight photosensor for programmable daylight harvesting.
.14 Photosensor shall provide foot-candle setpoint and a deadband to prevent the artificial light from cycling. Set-point and deadband shall be capable of automatically calibrating through an “Automatic Set-Point Programming” procedure. Min and max dim settings as well as set-point may be manually entered. .15 Deadband setting shall be verified and modified by the sensor automatically every time the lights cycle to accommodate physical changes in the space (i.e., changes in car type and color, lamp outages).
.16 Devices shall include option for power interruption detection, where unit powers and controls the emergency circuit, and an interruption of power to this circuit for >30 ms forces unit to shunt closed, go to full bright, and ignore all system commands for 90 minutes.
.5 Wireless Networked Outdoor Twist-to-Lock Photosensors .1 Products: rTLN
.2 Shall be available with locking type photocontrol as per ANSI C136.10,C136.41. .3 Shall have a rated line voltage of 120-277VAC or 347/480VAC. .4 Shall have a maximum load rating of at least 1800VA / 1000W. .5 Photocontrol shall have an ingress protection rating of IP66. .6 Photocontrol shall support 0-10V or DALI dimming interface. .7 Photocontrol shall accept motion sensor input on pins 6 and 7 to be used for individual or group response to sensor input.
.8 Photocontrol shall have an energy measurement accuracy within 2% of actual. .9 Shall operate in -40 degrees to 70 degrees Celsius ambient temperatures. .6 Wireless Networked Indoor Embedded Sensors
.1 Products: rES7, rES7 PDT, rMSOD
.2 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.

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.3 Network system shall have embedded sensors consisting of occupancy sensors and/or dimming photocells that can be embedded into luminaire such that only the lens shows on luminaire face.
.4 Occupancy sensor detection pattern shall be suitable for 7.5’ to 40’ mounting heights.
.5 Embedded sensors shall support the following configuration options:

1. Occupancy Sensing technology: PIR only or Dual Tech acoustic

2. Daylight Sensing Option: Occupancy only, Daylight only, or combination Occupancy/Daylight sensor
.6 Devices shall be available with options for both integrated and remote capable antennas such that devices can be optionally installed in a sealed container without detriment to wireless strength.
.7 Wireless Networked Power Packs
.1 Products: rPP20, rPP20 ER, rPP20 EM
.2 Communication shall be provided by wireless BLE connection and 900MHz link to other devices.
.3 Power Packs shall incorporate one optional Class 1 relay, optional 0-10 VDC dimming output
.4 Power Packs shall accept 120 through 277 VAC and carry a plenum rating. .5 Power Packs shall be available with optional 24VDC, 100mA output for use with ceiling mount sensors or other DC powered products.
.6 Power Packs shall be available with options for integrated and remote capable antennas such that devices can be optionally installed in a sealed container without detriment to wireless strength.
.7 Power Pack programming parameters shall be available and configurable remotely from the software.
.8 Power Pack shall securely mount to junction location through a threaded ½ inch chase nipple or be capable of being secured within a luminaire ballast/driver channel. Plastic clips into junction box shall not be accepted. All Class 1 wiring shall pass through chase nipple into adjacent junction box without any exposure of wire leads. Note: UL Listing under Energy Management or Industrial Control Equipment automatically meets this requirement, whereas Appliance Control Listing does not meet this safety requirement.
.9 When required by local code, Power Pack must install inside standardelectrical enclosure and provide UL recognized support to junction box. All Class 1 wiring is to pass through chase nipple into adjacent junction box without any exposure of wire leads. .10 Power Packs shall be available with the following options:

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.1 Power Pack capable of full 20-Amp switching of all normal power lighting load types, with optional 0-10V dimming output capable of up to 100mA of sink current.
.2 Power Packs capable of full 20-Amp switching of general purpose receptacle (plug-load) control.
.3 Power Packs with UL924 listing capable of full 20-Amp switching of all emergency power lighting load types, with optional 0-10V dimming output capable of up to 100mA of sink current. There shall be two methods of achieving the UL924 operation:
.a Power sense of normal power feed, where unit powers and controls emergency circuit, and loss of the normal power sense circuit forces the power pack to shunt closed, go to full bright, and ignore all system commands until normal power isrestored.
.b Power interruption detection, where unit powers and controls the emergency circuit, and an interruption of power to this circuitfor >30 ms forces unit to shunt closed, go to full bright, and ignore all system commands for 90 minutes.
.4 Power Packs shall have the option of mounting inside a sealed metal enclosure, with a plenum rated antenna protruding from said enclosure to allow for an IP 67 rated application.
.5 Power Packs shall have the option to monitor output current. .a Measurements for 120-277VAC models shall be within 3% of actual when measuring 425mA or greater of load current. .b Measurements for 120-480VAC models shall be within 3% of actual when measuring 625mA or greater of load current. .8 Wireless Networked Luminaires
.1 Networked luminaires shall have a mechanically integrated control device. .2 Communication with other devices shall be provided by wireless BLE connection and 900MHz link.
.3 System shall be able to turn on/off specific LED luminaires without using a relay, if LED driver supports “sleep mode.”
.4 System shall be able to provide control of network luminaire intensity .9 Wireless Networked Communication Adapter
.1 A communication adapter shall be provided that interfaces with the System Controller via USB connection and interfaces with wireless networked devices via 900MHz. .2 Device shall be capable of communicating with at least 750 wireless networked devices and luminaires

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.3 Device shall be supplied with mounting hardware suitable for verticalceiling mounting or for vertical mounting from a wall.
.4 Device shall be unresponsive to wired and wireless communications that do not conform to the specific protocols used by the networked lighting control system. .5 Device shall be IP66 rated and shall be optionally installed in an indoor or outdoor location.
.6 Device shall allow programming and control of indoor, outdoor, and industrial wireless control devices through a single user interface.

PART 3 - EXECUTION

3.1 Installation Requirements
.1 Installation Procedures and Verification
.1 The successful bidder shall review all required installation and pre-startup procedures with the manufacturer’s representative through pre-construction meetings.
.2 The successful bidder shall install and connect the networked lighting control system components according to the manufacturer’s installation instructions, wiring diagrams, the project submittals and plans specifications. .3 The successful bidder shall be responsible for testing of all low voltage network cable included in the bid. Bidder is responsible for verification of the following minimum parameters:
.1 Wire Map (continuity, pin termination, shorts and open connections, etc.) .2 Length
.3 Insertion Loss
.2 Coordination with Owner’s IT Network Infrastructure
.1 The successful bidder is required to coordinate with the owner’s representativeto secure all required network connections to the owner’s IT network infrastructure. .1 The bidder shall provide to the owner’s representative all network infrastructure requirements of the networked lighting controlsystem. .2 The bidder shall provide to the manufacturer’s representative all necessary contacts pertaining to the owner’s IT infrastructure, to ensure that the system is properly connected and started up.
.3 Documentation and Deliverables
.1 The installing contractor shall be responsible for documenting installed location of all networked devices, including networked luminaires. This includes responsibility to provide as-built plan drawing showing device address barcodes corresponding to locations of installed equipment.

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -39
.2 The installing contractor is also responsible for the following additional documentation to the manufacturer’s representative if visualization / graphical floorplan software is provided as part of bid package:

1. As-Built floor plan drawings showing device address locations required above. All documentation shall remain legible when reproducing\scanning drawing files for electronic submission.

2. As-Built electrical lighting drawings (reflected ceiling plan) in PDF and CAD format. Architectural floor plans shall be based on as-built conditions. .a CAD files shall have layers already turned on/off as desired to be shown in the graphical floorplan background images. The following CAD elements are recommended to be hidden to produce an ideal background graphical image:

Titleblock
Text- Inclusive of room names and numbers, fixture tags and drawings notes
Fixture wiring and homeruns
Control devices
Hatching or poché of light fixtures or architectural elements .b CAD files shall be of AutoCAD 2013 or earlier. Revit file overall floor plan views shall be exported to AutoCAD 2013.

3.2 System Startup
.1 Upon completion of installation by the installer, including completion of all required verification and documentation required by the manufacturer, the system shall be started up and programmed.
.1 For CAT5 wired devices, low voltage network cable testing shall be performed prior to system startup.
.2 System start-up and programming shall include:
.1 Verifying operational communication to all system devices. .2 Programming the network devices into functional control zones to meet the required sequence of operation.
.3 Programming and verifying all sequence of operations. .3 Manufacturer shall be capable of on-site or remote startup and programming.

3.3 Project Turnover
.1 System Documentation
.1 Submit software database file with desired device labels and notes completed.

Changes to this file will not be made by the factory.
.2 Installing contractor to grant access to the owner for the programming database, if requested.

CIP 689 - Clark Building Renovations
NETWORK LIGHTING CONTROLES 260943 -40
.2 Owner Training
.1 Provisions for onsite training for owner and designated attendees to be included in submittal package.

END OF SECTION

CIP 689 - Clark Building Renovations
LOW VOLTAGE ELECTRICAL SERVICE ENTRANCE 262100 -1
PART 1 GENERAL
SECTION 262100

LOW-VOLTAGE ELECTRICAL SERVICE ENTRANCE

1.01 SECTION INCLUDES
A. Electrical service requirements.

1.02 RELATED REQUIREMENTS
A. Section 033000 - Cast-in-Place Concrete: Materials and installation requirements for cast-in- place concrete equipment pads.

B. Section 260526 - Grounding and Bonding for Electrical Systems.

C. Section 260529 - Hangers and Supports for Electrical Systems.

D. Section 260553 - Identification for Electrical Systems: Identification products and requirements.

E. Section 262300 - Low-Voltage Switchgear: Service entrance equipment.

1. Includes utility metering transformer compartment.

2. Includes non-utility electrical metering.

F. Section 262413 - Switchboards: Service entrance equipment.

1. Includes utility metering transformer compartment.

G. Section 262416 - Panelboards: Service entrance equipment.

H. Section 262713 - Electricity Metering: Non-utility electrical metering.

I. Section 262816.16 - Enclosed Switches: Service entrance equipment.

J. Section 312316 - Excavation.

K. Section 312323 - Fill: Bedding and backfilling.

1.03 REFERENCE STANDARDS
A. IEEE C2 - National Electrical Safety Code 2017.

B. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

C. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

1.04 ADMINISTRATIVE REQUIREMENTS
A. No later than two weeks following date of the Agreement, notify Utility Company of anticipated date of service.

B. Coordination:

1. Verify the following with Utility Company representative:
a. Utility Company requirements, including division of responsibility. b. Exact location and details of utility point of connection. c. Utility easement requirements.
d. Utility Company charges associated with providing service.

2. Coordinate the work with other trades to avoid placement of other utilities or obstructions within the spaces dedicated for electrical service and associated equipment.

3. Coordinate arrangement of service entrance equipment with the dimensions and clearance requirements of the actual equipment to be installed.

4. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

C. Arrange for Utility Company to provide permanent electrical service. Prepare and submit documentation required by Utility Company.

D. Utility Company charges associated with providing permanent service to be paid by Owner.

E. Preinstallation Meeting: Convene one week prior to commencing work of this section to review service requirements and details with Utility Company representative.

CIP 689 - Clark Building Renovations
LOW VOLTAGE ELECTRICAL SERVICE ENTRANCE 262100 -2
F. Scheduling:

1. Arrange for inspections necessary to obtain Utility Company approval of installation.

1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

1.06 QUALITY ASSURANCE
A. Comply with the following:

1. IEEE C2 (National Electrical Safety Code).

2. NFPA 70 (National Electrical Code).

3. The requirements of the Utility Company.

4. The requirements of the local authorities having jurisdiction.

PART 2 PRODUCTS

2.01 ELECTRICAL SERVICE REQUIREMENTS
A. Provide new electrical service consisting of all required conduits, conductors, equipment, metering provisions, supports, accessories, etc. as necessary for connection between Utility Company point of supply and service entrance equipment.

B. Products Furnished by Contractor: Comply with Utility Company requirements.

PART 3 EXECUTION

3.01 INSTALLATION
A. Install products in accordance with manufacturer's instructions and Utility Company requirements.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Arrange equipment to provide minimum clearances and required maintenance access.

D. Provide required trenching and backfilling in accordance with Section 312316 andSection 312323.

E. Construct cast-in-place concrete pads for utility equipment in accordance with Utility Company requirements and Section 033000.

F. Provide required protective bollards in accordance with Utility Company requirements.

G. Provide required support and attachment components in accordance with Section 260529.

H. Provide grounding and bonding for service entrance equipment in accordance with Section 260526.

I. Identify service entrance equipment, including main service disconnect(s) in accordance with Section 260553.

3.02 PROTECTION
A. Protect installed equipment from subsequent construction operations.

END OF SECTION

CIP 689 - Clark Building Renovations
LOW VOLTAGE TRANSFORMERS 262200 -1
PART 1 GENERAL

1.01 SECTION INCLUDES
SECTION 262200

LOW-VOLTAGE TRANSFORMERS
A. General purpose transformers.

1.02 RELATED REQUIREMENTS
A. Section 033000 - Cast-in-Place Concrete: Concrete equipment pads.

B. Section 260526 - Grounding and Bonding for Electrical Systems.

C. Section 260529 - Hangers and Supports for Electrical Systems.

D. Section 260533.13 - Conduit for Electrical Systems: Flexible conduit connections.

E. Section 260548 - Vibration and Seismic Controls for Electrical Systems.

1. Includes requirements for the seismic qualification of equipment specified in this section.

1.03 REFERENCE STANDARDS
A. 10 CFR 431, Subpart K - Energy Efficiency Program for Certain Commercial andIndustrial Equipment - Distribution Transformers Current Edition.

B. IEEE C57.94 - IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power Transformers 2015.

C. IEEE C57.96 - IEEE Standard Guide for Loading Dry-Type Distribution and Power Transformers 2013.

D. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

E. NECA 409 - Standard for Installing and Maintaining Dry-Type Transformers 2015.

F. NEMA ST 20 - Dry-Type Transformers for General Applications 2014.

G. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2020.

H. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

I. UL 506 - Standard for Specialty Transformers Current Edition, Including All Revisions.

J. UL 1561 - Standard for Dry-Type General Purpose and Power Transformers Current Edition, Including All Revisions.

1.04 ADMINISTRATIVE REQUIREMENTS
A. Coordination:

1. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment, or other potential obstructions within the dedicated equipment spaces and working clearances required by NFPA 70.

2. Coordinate arrangement of electrical equipment with the dimensions and clearance requirements of the actual equipment to be installed.

3. Coordinate the work with placement of supports, anchors, etc. required for mounting.

4. Verify with manufacturer that conductor terminations are suitable for use with the conductors to be installed.

5. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

B. Manufacturer's equipment seismic qualification certification.

1.06 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

CIP 689 - Clark Building Renovations
LOW VOLTAGE TRANSFORMERS 262200 -2
PART 2 PRODUCTS

2.01 MANUFACTURERS
A. ABB/GE; Or Equal: www.geindustrial.com/#sle.

B. Eaton Corporation; Or Equal: www.eaton.com/#sle.

C. Siemens Industry, Inc; Or Equal: www.usa.siemens.com/#sle.

D. Substitutions: See Section 016000 - Product Requirements.

2.02 TRANSFORMERS - GENERAL REQUIREMENTS
A. Description: Factory-assembled, dry type transformers for 60 Hz operation designed and manufactured in accordance with NEMA ST 20 and listed, classified, and labeled as suitable for the purpose intended.

B. Unless noted otherwise, transformer ratings indicated are for continuous loading according to IEEE C57.96 under the following service conditions:

1. Altitude: Less than 3,300 feet (1,000 m).

2. Ambient Temperature:
a. Greater than 10 kVA: Not exceeding 104 degrees F (40 degrees C). b. Less than 10 kVA: Not exceeding 77 degrees F (25 degrees C).

C. Core: High grade, non-aging silicon steel with high magnetic permeability and low hysteresis and eddy current losses. Keep magnetic flux densities substantially below saturation point, even at 10 percent primary overvoltage. Tightly clamp core laminations to prevent plate movement and maintain consistent pressure throughout core length.

D. Impregnate core and coil assembly with non-hydroscopic thermo-setting varnish to effectively seal out moisture and other contaminants.

E. Basic Impulse Level: 10 kV.

F. Ground core and coil assembly to enclosure by means of a visible flexible copper grounding strap.

G. Isolate core and coil from enclosure using vibration-absorbing mounts.

H. Nameplate: Include transformer connection data, ratings, wiring diagrams, and overload capacity based on rated winding temperature rise.

2.03 GENERAL PURPOSE TRANSFORMERS
A. Description: Self-cooled, two winding transformers listed and labeled as complying with UL 506 or UL 1561; ratings as indicated on the drawings.

B. Insulation System and Allowable Average Winding Temperature Rise:

1. Less than 15 kVA: Class 180 degrees C insulation system with 115 degrees C average winding temperature rise.

2. 15 kVA and Larger: Class 220 degrees C insulation system with 150 degrees C average winding temperature rise.

C. Coil Conductors: Continuous aluminum windings with terminations brazed or welded.

D. Winding Taps:

1. Less than 3 kVA: None.

2. 3 kVA through 15 kVA: Two 5 percent full capacity primary taps below rated voltage.

3. 15 kVA through 300 kVA: Two 2.5 percent full capacity primary taps above and four 2.5 percent full capacity primary taps below rated voltage.

4. 500 kVA and Larger: Two 2.5 percent full capacity primary taps above and two 2.5 percent full capacity primary taps below rated voltage.

E. Energy Efficiency: Comply with 10 CFR 431, Subpart K.

F. Sound Levels: Standard sound levels complying with NEMA ST 20 G. Mounting Provisions:

1. Less than 15 kVA: Suitable for wall mounting.

CIP 689 - Clark Building Renovations
LOW VOLTAGE TRANSFORMERS 262200 -3

2. 15 kVA through 75 kVA: Suitable for wall, floor, or trapeze mounting.

3. Larger than 75 kVA: Suitable for floor mounting.

H. Transformer Enclosure: Comply with NEMA ST 20.

1. Environment Type per NEMA 250: Unless otherwise indicated, as specified forthe following installation locations:
a. Indoor clean, dry locations: Type 2.
b. Outdoor locations: Type 3R.

2. Construction: Steel.
a. Less than 15 kVA: Totally enclosed, non-ventilated.
b. 15 kVA and Larger: Ventilated.

3. Finish: Manufacturer's standard grey, suitable for outdoor installations.

4. Provide lifting eyes or brackets.

PART 3 EXECUTION

3.01 INSTALLATION
A. Perform work in accordance with NECA 1 (general workmanship).

B. Install products in accordance with manufacturer's instructions.

C. Install transformers in accordance with NECA 409 and IEEE C57.94.

D. Use flexible conduit, under the provisions of Section 260533.13, 2 feet (600 mm)minimum length, for connections to transformer case. Make conduit connections to side panel of enclosure.

E. Arrange equipment to provide minimum clearances as specified on transformer nameplate and in accordance with manufacturer's instructions and NFPA 70.

F. Install transformers plumb and level.

G. Transformer Support:

1. Provide required support and attachment in accordance with Section 260529, where not furnished by transformer manufacturer.

2. Provide required vibration isolation and/or seismic controls in accordance with Section 260548.

3. Use integral transformer flanges, accessory brackets furnished by manufacturer, orfieldfabricated supports to support wall-mounted transformers.

4. Unless otherwise indicated, mount floor-mounted transformers on properly sized 3 inch (80 mm) high concrete pad constructed in accordance with Section 033000.

5. Use trapeze hangers assembled from threaded rods and metal channel (strut) to support suspended transformers. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

H. Provide grounding and bonding in accordance with Section 260526.

I. Remove shipping braces and adjust bolts that attach the core and coil mounting bracket to the enclosure according to manufacturer's recommendations in order to reduce audible noise transmission.

J. Where not factory-installed, install lugs sized as required for termination of conductors as indicated.

3.02 ADJUSTING
A. Measure primary and secondary voltages and make appropriate tap adjustments.

B. Adjust tightness of mechanical and electrical connections to manufacturer'srecommended torque settings.

3.03 CLEANING
A. Clean dirt and debris from transformer components according to manufacturer's instructions.

B. Repair scratched or marred exterior surfaces to match original factory finish.

END OF SECTION

CIP 689 - Clark Building Renovations
SWITCHBOARDS 262413 -1
PART 1 GENERAL

1.01 SECTION INCLUDES
SECTION 262413

SWITCHBOARDS
A. Low-voltage (600 V and less) switchboards and associated accessories for service and distribution applications.

B. Overcurrent protective devices for switchboards.

1.02 RELATED REQUIREMENTS
A. Section 033000 - Cast-in-Place Concrete: Concrete equipment pads.

B. Section 260526 - Grounding and Bonding for Electrical Systems.

C. Section 260529 - Hangers and Supports for Electrical Systems.

1.03 REFERENCE STANDARDS
A. FS W-C-375 - Circuit Breakers, Molded Case; Branch Circuit and Service 2013e (Amended 2017).

B. IEEE C57.13 - IEEE Standard Requirements for Instrument Transformers 2016.

C. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

D. NECA 400 - Standard for Installing and Maintaining Switchboards 2007.

E. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2020.

F. NEMA KS 1 - Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum) 2013.

G. NEMA PB 2 - Deadfront Distribution Switchboards 2011.

H. NEMA PB 2.1 - General Instructions for Proper Handling, Installation, Operation, and Maintenance of Deadfront Distribution Switchboards Rated 600 Volts or Less 2013.

I. NFPA 70 - National Electrical Code Most Recent Edition Adopted by AuthorityHaving Jurisdiction, Including All Applicable Amendments and Supplements.

J. UL 489 - Molded-Case Circuit Breakers, Molded-Case Switches and Circuit BreakerEnclosures Current Edition, Including All Revisions.

K. UL 869A - Reference Standard for Service Equipment Current Edition, Including AllRevisions.

L. UL 891 - Switchboards Current Edition, Including All Revisions.

1.04 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.

1.05 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.

PART 2 PRODUCTS

2.01 MANUFACTURERS
A. Switchboards - Basis of Design: [ ].

B. Switchboards - Other Acceptable Manufacturers:

1. Eaton Corporation; Or Equal: www.eaton.com/#sle.

2. Schneider Electric; Square D Products: www.schneider-electric.us/#sle.

3. Siemens Industry, Inc: www.usa.siemens.com/#sle.

C. Substitutions: See Section 016000 - Product Requirements.

2.02 SWITCHBOARDS
A. Provide switchboards consisting of all required components, control power transformers, instrumentation and control wiring, accessories, etc. as necessary for a complete operating system.

CIP 689 - Clark Building Renovations
SWITCHBOARDS 262413 -2
B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Description: Dead-front switchboard assemblies complying with NEMA PB 2, and listed and labeled as complying with UL 891; ratings, configurations and features as indicated on the drawings.

D. Service Entrance Switchboards:

1. Listed and labeled as suitable for use as service equipment according to UL 869A.

2. For solidly-grounded wye systems, provide factory-installed main bonding jumper between neutral and ground busses, and removable neutral disconnecting link for testing purposes.

3. Comply with Utility Company requirements for electrical service.

E. Service Conditions:

1. Provide switchboards and associated components suitable for operation under the following service conditions without derating:
a. Altitude: Less than 6,600 feet (2,000 m).
b. Ambient Temperature:
1) Switchboards Containing Molded Case or Insulated Case CircuitBreakers:

Between 23 degrees F (-5 degrees C) and 104 degrees F (40 degrees C).

2. Provide switchboards and associated components suitable for operation at indicated ratings under the service conditions at the installed location.

F. Short Circuit Current Rating:

1. Label equipment utilizing series ratings as required by NFPA 70.

G. Main Devices: Configure for top or bottom incoming feed as indicated or as required for the installation. Provide separate pull section and/or top-mounted pullbox as indicated or as required to facilitate installation of incoming feed.

H. Bussing: Sized in accordance with UL 891 temperature rise requirements.

1. Through bus (horizontal cross bus) to be fully rated through full length ofswitchboard (nontapered). Tapered bus is not permitted.

2. Provide solidly bonded equipment ground bus through full length of switchboard, with a suitable lug for each feeder and branch circuit equipment grounding conductor.

3. Phase and Neutral Bus Material: Aluminum.

4. Ground Bus Material: Aluminum.

I. Conductor Terminations: Suitable for use with the conductors to be installed.

1. Line Conductor Terminations:
a. Main and Neutral Lug Material: Aluminum, suitable for terminating aluminumor copper conductors.
b. Main and Neutral Lug Type: Mechanical.

2. Load Conductor Terminations:
a. Lug Material: Aluminum, suitable for terminating aluminum or copper conductors. b. Lug Type:

J. Enclosures:

1. Environment Type per NEMA 250: Unless otherwise indicated, as specified forthe following installation locations:
a. Indoor Clean, Dry Locations: Type 1 or Type 2 (drip-proof). b. Outdoor Locations: Type 3R.

2. Finish: Manufacturer's standard unless otherwise indicated.

3. Enclosure Space Heaters:
a. Provide in each switchboard section installed outdoors and in unconditioned indoor spaces. b. Size according to manufacturer's recommendations for worst case ambient temperature to prevent condensation.
c. Heater Control: Thermostat.
d. Heater Power Source: Provide connection to transformer factory-installed in switchboard or suitable external branch circuit as indicated or as required.