S02 - SPECS (ELECTRICAL PANELS) 436-24-101.pdf

ELECTRICAL PANELS AT THE PATRIOT STORE-VA-436-24-101

INDEX

SECTION 26 51 00 INTERIOR LIGHTING-PAGES 1-20

SECTION 26 42 00 CATHODIC PROTECTION-PAGES 21-33

SECTION 26 29 21 ENCLOSED SWITCHES AND CIRCUIT BREAKERS-PAGES 34-38

SECTION 26 29 11 MOTOR CONTROLLERS-PAGES 39-52

SECTION 26 27 26 WIRING DEVICES-PAGES 53-60

SECTION 26 24 16 PANELBOARDS-PAGES 61-67

SECTION 26 24 13 DISTRIBUTION SWITCHBOARDS-PAGES 68-82

SECTION 26 08 00.01 DVA/USACE PROJECTS COMMISSIONING OF ELECTRICAL SYSTEMS-

Pages 83‐90

SECTION 26 05 33 RACEWAY & BOXES FOR ELECTRICAL SYSTEMS-PAGES 91-

SECTION 26 05 26 GROUNDING & BONDING FOR ELECTRICAL SYSTEMS-Pages 105-114

SECTION 26 05 13 MEDIUM-VOLTAGE CABLES- PAGES 115-126

01-10-22

26 51 00 - 1

SECTION 26 51 00

INTERIOR LIGHTING

SPEC WRITER NOTE: Delete between //----// if not applicable to project. Also, delete any other item or paragraph not applicable to the section and renumber the paragraphs. Coordinate with the LIGHTING FIXTURE SCHEDULE shown on the drawings.

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies the furnishing, installation, and connection of the interior lighting systems. The terms “lighting fixture,”

“fixture,” and “luminaire” are used interchangeably.

1.2 RELATED WORK

SPEC WRITER NOTE: The designer shall include Section 10 25 13, PATIENT BED SERVICE WALLS, if bedlights will be controlled by patient bed controls.

A. Section 01 74 19, CONSTRUCTION WASTE MANAGEMENT: Disposal of lamps.

//B. Section 02 41 00, DEMOLITION: Removal and disposal of lamps and ballasts.//

//C. Section 10 25 13, PATIENT BED SERVICE WALLS: Power and controls for wall-mounted fluorescent bedlight fixtures.//

//D. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS: Requirement for seismic restraint for nonstructural components.//

E. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS:

Requirements that apply to all sections of Division 26.

F. Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES:

Low-voltage conductors.

G. Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:

Requirements for personnel safety and to provide a low impedance path to ground for possible ground fault currents.

H. Section 26 27 26, WIRING DEVICES: Wiring devices used for control of the lighting systems.

SPEC WRITER NOTE: The designer shall revise the specification appropriately if VA determines that patient bedlights will be controlled by nurse call pillow speaker controls.

26 51 00 - 2

//I. Section 27 52 23, NURSE CALL AND CODE BLUE SYSTEMS: For pillow speaker control of the wall-mounted fluorescent bedlight fixtures.//

1.3 QUALITY ASSURANCE

A. Quality Assurance shall be in accordance with Paragraph, QUALIFICATIONS

(PRODUCTS AND SERVICES) in Section 26 05 11, REQUIREMENTS FOR

ELECTRICAL INSTALLATIONS.

1.4 SUBMITTALS

A. Submit in accordance with Paragraph, SUBMITTALS in Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, and the following requirements:

1. Shop Drawings:

a. Submit the following information for each type of lighting fixture designated on the LIGHTING FIXTURE SCHEDULE, arranged in order of lighting fixture designation.

b. Material and construction details, include information on housing and optics system.

c. Physical dimensions and description.

d. Wiring schematic and connection diagram.

e. Installation details.

f. Energy efficiency data.

g. Photometric data based on laboratory tests complying with IES

Lighting Measurements testing and calculation guides.

h. Lamp data including lumen output (initial and mean), color rendition index (CRI), rated life (hours), and color temperature

(degrees Kelvin).

i. Ballast data including ballast type, starting method, ambient temperature, ballast factor, sound rating, system watts, and total harmonic distortion (THD).

j. For LED lighting fixtures, submit US DOE LED Lighting Facts label, and IES L70 rated life.

2. Manuals:

a. Submit, simultaneously with the shop drawings, complete maintenance and operating manuals, including technical data sheets, wiring diagrams, and information for ordering replacement parts.

b. If changes have been made to the maintenance and operating manuals originally submitted, submit updated maintenance and operating manuals two weeks prior to the final inspection.

26 51 00 - 3

3. Certifications: Two weeks prior to final inspection, submit the following.

a. Certification by the Contractor that the interior lighting systems have been properly installed and tested.

1.5 APPLICABLE PUBLICATIONS

A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only.

B. American Society for Testing and Materials (ASTM):

C635/C635M-22...........Manufacture, Performance, and Testing of Metal

Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings

C. Environmental Protection Agency (EPA):

40 CFR 261-21...........Identification and Listing of Hazardous Waste

D. Federal Communications Commission (FCC):

CFR Title 47, Part 15...Radio Frequency Devices

CFR Title 47, Part 18...Industrial, Scientific, and Medical Equipment

E. Illuminating Engineering Society of North America (IESNA):

LM-79-19................Electrical and Photometric Measurements of

Solid-State Lighting Products

LM-80-21................Measuring Lumen Maintenance of LED Light

Sources

LM-82-19................Characterization of LED Light Engines and LED

Lamps for Electrical and Photometric Properties as a Function of Temperature

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

C62.41-91(R1995)........Surge Voltages in Low Voltage AC Power Circuits

G. International Code Council (ICC):

IBC-21..................International Building Code

H. National Electrical Manufacturer's Association (NEMA):

C78.376-14 (R2021)......Chromaticity of Fluorescent Lamps

C82.1-04(S2021).........Lamp Ballasts – Line Frequency Fluorescent Lamp

Ballasts

C82.2-02(S2021).........Method of Measurement of Fluorescent Lamp

Ballasts

26 51 00 - 4

C82.4-17................Lamp Ballasts - Ballasts for High-Intensity

Discharge and Low-Pressure Sodium (LPS) Lamps

(Multiple-Supply Type)

C82.11-17...............Lamp Ballasts - High Frequency Fluorescent Lamp

Ballasts

LL 9-11.................Dimming of T8 Fluorescent Lighting Systems

SSL 1-16................Electronic Drivers for LED Devices, Arrays, or

Systems

I. National Fire Protection Association (NFPA):

70-23...................National Electrical Code (NEC)

101-21..................Life Safety Code

J. Underwriters Laboratories, Inc. (UL):

496-17..................Lampholders

542-05..................Fluorescent Lamp Starters

844-12..................Luminaires for Use in Hazardous (Classified)

Locations

924-16..................Emergency Lighting and Power Equipment

935-01..................Fluorescent-Lamp Ballasts

1029-94.................High-Intensity-Discharge Lamp Ballasts

1029A-06................Outline of Investigation for Ignitors and

Related Auxiliaries for HID Lamp Ballasts

1574-04.................Standard for Safety Track Lighting Systems

1598-21.................Standard for Safety Luminaires

2108-15.................Standard for Safety Low-Voltage Lighting

Systems

8750-15.................Standard for Safety Light Emitting Diode (LED)

Light Sources for Use in Lighting Products

SPEC WRITER NOTE: Delete between // ---- // if not applicable to project.

Also delete any other item or paragraph not applicable to the section and renumber the paragraphs.

PART 2 - PRODUCTS

2.1 LIGHTING FIXTURES

A. Shall be in accordance with NFPA, UL, as shown on drawings, and as specified.

B. Sheet Metal:

26 51 00 - 5

1. Shall be formed to prevent warping and sagging. Housing, trim and lens frame shall be true, straight (unless intentionally curved), and parallel to each other as designed.

2. Wireways and fittings shall be free of burrs and sharp edges, and shall accommodate internal and branch circuit wiring without damage to the wiring.

3. When installed, any exposed fixture housing surface, trim frame, door frame, and lens frame shall be free of light leaks.

4. Hinged door frames shall operate smoothly without binding. Latches shall function easily by finger action without the use of tools.

C. Ballasts and lamps shall be serviceable while the fixture is in its normally installed position. Ballasts shall not be mounted to removable reflectors or wireway covers unless so specified.

D. Lamp Sockets:

1. Fluorescent: Single slot entry type, requiring a one-quarter turn of the lamp after insertion. Lampholder contacts shall be the biting edge type.

2. Compact Fluorescent: 4-pin.

3. High Intensity Discharge (HID): Porcelain.

E. Recessed fixtures mounted in an insulated ceiling shall be listed for use in insulated ceilings.

F. Mechanical Safety: Lighting fixture closures (lens doors, trim frame, hinged housings, etc.) shall be retained in a secure manner by captive screws, chains, aircraft cable, captive hinges, or fasteners such that they cannot be accidentally dislodged during normal operation or routine maintenance.

G. Metal Finishes:

1. The manufacturer shall apply standard finish (unless otherwise specified) over a corrosion-resistant primer, after cleaning to free the metal surfaces of rust, grease, dirt and other deposits. Edges of pre-finished sheet metal exposed during forming, stamping or shearing processes shall be finished in a similar corrosion resistant manner to match the adjacent surface(s). Fixture finish shall be free of stains or evidence of rusting, blistering, or flaking, and shall be applied after fabrication.

2. Interior light reflecting finishes shall be white with not less than

85 percent reflectances, except where otherwise shown on the drawing.

26 51 00 - 6

3. Exterior finishes shall be as shown on the drawings.

H. Lighting fixtures shall have a specific means for grounding metallic wireways and housings to an equipment grounding conductor.

I. Light Transmitting Components for Fluorescent Fixtures:

1. Shall be 100 percent virgin acrylic.

2. Flat lens panels shall have not less than 3 mm (1/8 inch) of average thickness.

3. Unless otherwise specified, lenses, reflectors, diffusers, and louvers shall be retained firmly in a metal frame by clips or clamping ring in such a manner as to allow expansion and contraction without distortion or cracking.

J. Lighting fixtures in hazardous areas shall be suitable for installation in Class and Division areas as defined in NFPA 70.

K. Compact fluorescent fixtures shall be manufactured specifically for compact fluorescent lamps with ballast integral to the fixture.

Assemblies designed to retrofit incandescent fixtures are prohibited except when specifically indicated for renovation of existing fixtures.

2.2 BALLASTS

SPEC WRITER NOTE: The designer shall specify instant start ballasts for use in low ambient temperature environments.

The designer shall not specify instant start ballasts where lighting is controlled by occupancy sensors.

A. Linear Fluorescent Lamp Ballasts: Multi-voltage (120 – 277V), electronic //instant-start// //programmed-start// //rapid-start// type, designed for type and quantity of lamps indicated. Ballasts shall be designed for full light output unless dimmer or bi-level control is indicated. Ballasts shall include the following features:

1. Lamp end-of-life detection and shutdown circuit (T5 lamps only).

2. Automatic lamp starting after lamp replacement.

3. Sound Rating: Class A.

4. Total Harmonic Distortion (THD): 10 percent or less.

5. Transient Voltage Protection: IEEE C62.41.1 and IEEE C62.41.2, Category A or better.

6. Operating Frequency: 20 kHz or higher.

7. Lamp Current Crest Factor: 1.7 or less.

8. Ballast Factor: 0.87 or higher unless otherwise indicated.

9. Power Factor: 0.98 or higher.

26 51 00 - 7

10. EMR/RFI Interference: Comply with CFR Title 47 Part 18 for limitations on electromagnetic and radio-frequency interference for non-consumer equipment.

11. To facilitate multi-level lamp switching, lamps within fixture shall be wired with the outermost lamp at both sides of the fixture on the same ballast, the next inward pair on another ballast and so on to the innermost lamp (or pair of lamps). Within a given room, each switch shall uniformly control the same corresponding lamp (or lamp pairs) in all fixture units that are being controlled.

12. Where three-lamp fixtures are indicated, unless switching arrangements dictate otherwise, utilize a common two-lamp ballast to operate the center lamp in pairs of adjacent units that are mounted in a continuous row. The ballast fixture and slave-lamp fixture shall be factory wired with leads or plug devices to facilitate this circuiting. Individually mounted fixtures and the odd fixture in a row shall utilize a single-lamp ballast for operation of the center lamp.

13. Dimming ballasts shall be as per above, except dimmable from 100% to

// 5 // // //% of rated lamp lumens. Dimming ballasts shall be fully compatible with the dimming controls.

B. Low-Frequency Linear T8 Fluorescent Lamp Ballasts (allowed for Surgery

Suites, Critical Care Units, and Animal Labs): Multi-voltage (120 –

277V), hybrid electronic-electromagnetic rapid-start type, designed for type and quantity of lamps indicated. Ballast shall be designed for full light output. Ballasts shall include the following features:

1. Automatic lamp starting after lamp replacement.

2. Sound Rating: Class A.

3. Total Harmonic Distortion (THD): 20 percent or less.

4. Transient Voltage Protection: IEEE C62.41.1 and IEEE C62.41.2, Category A or better.

5. Operating Frequency: 60 Hz.

6. Lamp Current Crest Factor: 1.7 or less.

7. Ballast Factor: 0.85 or higher unless otherwise indicated.

8. Power Factor: 0.90 or higher.

9. Interference: Comply with CFR Title 47 Part 18 for limitations on electromagnetic and radio-frequency interference for non-consumer equipment.

26 51 00 - 8

10. To facilitate multi-level lamp switching, lamps within fixture shall be wired with the outermost lamp at both sides of the fixture on the same ballast, the next inward pair on another ballast and so on to the innermost lamp (or pair of lamps). Within a given room, each switch shall uniformly control the same corresponding lamp (or lamp pairs) in all fixture units that are being controlled.

11. Where three-lamp fixtures are indicated, unless switching arrangements dictate otherwise, utilize a common two-lamp ballast to operate the center lamp in pairs of adjacent units that are mounted in a continuous row. The ballast fixture and slave-lamp fixture shall be factory wired with leads or plug devices to facilitate this circuiting. Individually mounted fixtures and the odd fixture in a row shall utilize a single-lamp ballast for operation of the center lamp.

C. Compact Fluorescent Lamp Ballasts: Multi-voltage (120 – 277V), electronic programmed rapid-start type, designed for type and quantity of lamps indicated. Ballast shall be designed for full light output unless dimmer or bi-level control is indicated. Ballasts shall include the following features:

1. Lamp end-of-life detection and shutdown circuit.

2. Automatic lamp starting after lamp replacement.

3. Sound Rating: Class A.

4. Total Harmonic Distortion (THD): 10 percent or less.

5. Transient Voltage Protection: IEEE C62.41.1 and IEEE C62.41.2, Category A or better.

6. Operating Frequency: 20 kHz or higher.

7. Lamp Current Crest Factor: 1.7 or less.

8. Ballast Factor: 0.95 or higher unless otherwise indicated.

9. Power Factor: 0.98 or higher.

10. Interference: Comply with CFR Title 47 Part 18 for limitations on electromagnetic and radio-frequency interference for non-consumer equipment.

11. Dimming ballasts shall be as per above, except dimmable from 100% to

// 5 // // //% of rated lamp lumens. Dimming ballasts shall be fully compatible with the dimming controls.

D. Ballasts for HID fixtures: Multi-tap voltage (120 – 480V) electromagnetic ballast for high intensity discharge lamps. Include the following features unless otherwise indicated:

26 51 00 - 9

1. Ballast Circuit: Constant-wattage autotransformer or regulating high-power-factor type.

2. Minimum Starting Temperature: Minus 22 deg F (Minus 30 deg C) for single-lamp ballasts.

3. Rated Ambient Operating Temperature: 104 deg F (40 deg C).

4. Open-circuit operation that will not reduce average life.

5. Low-Noise Ballasts: Manufacturers' standard epoxy-encapsulated models designed to minimize audible fixture noise.

E. Electronic ballast for HID metal-halide lamps shall include the following features unless otherwise indicated:

1. Minimum Starting Temperature: Minus 20 deg F (Minus 29 deg C) for single-lamp ballasts.

2. Rated Ambient Operating Temperature: 130 deg F (54 deg C).

3. Lamp end-of-life detection and shutdown circuit.

4. Sound Rating: Class A.

5. Total Harmonic Distortion (THD): 20 percent or less.

6. Transient Voltage Protection: IEEE C62.41.1 and IEEE C62.41.2, Category A or better.

7. Lamp Current Crest Factor: 1.5 or less.

8. Power Factor: 0.90 or higher.

9. Interference: Comply with CFR Title 47 Part 18 for limitations on electromagnetic and radio-frequency interference for non-consumer equipment.

10. Protection: Resettable thermal.

2.3 FLUORESCENT EMERGENCY BALLAST

A. Self-contained, modular, battery-inverter unit, factory mounted within lighting fixture housing and compatible with ballast.

1. Emergency Connection: Operate //one// // // fluorescent lamp(s) continuously at an output of //1100// // // lumens each. Connect unswitched circuit to battery-inverter unit and switched circuit to fixture ballast.

2. Test Push Button and Indicator Light: Visible and accessible without opening fixture or entering ceiling space.

a. Push Button: Push-to-test type, in unit housing, simulates loss of normal power and demonstrates unit operability.

b. Indicator Light: LED indicates normal power on. Normal glow indicates trickle charge; bright glow indicates charging at end of discharge cycle.

26 51 00 - 10

3. Battery: Sealed, maintenance-free, nickel-cadmium type.

4. Charger: Fully automatic, solid-state, constant-current type with sealed power transfer relay.

5. Integral Self-Test: Automatically initiates test of unit emergency operation at required intervals. Test failure is annunciated by an integral audible alarm and a flashing LED.

2.4 EMERGENCY LIGHTING UNIT

A. Complete, self-contained unit with batteries, battery charger, one or more local or remote lamp heads with lamps, under-voltage relay, and test switch.

1. Enclosure: Shall be //impact-resistant thermoplastic// //cast aluminum//. Enclosure shall be suitable for the environmental conditions in which installed.

2. Lamp Heads: Horizontally and vertically adjustable, mounted on the face of the unit, except where otherwise indicated.

3. Lamps: Shall be sealed-beam MR-16 halogen, rated not less than

//12// // // watts at the specified DC voltage.

4. Battery: Shall be maintenance-free nickel-cadmium. Minimum normal life shall be minimum of 10 years.

5. Battery Charger: Dry-type full-wave rectifier with charging rates to maintain the battery in fully-charged condition during normal operation, and to automatically recharge the battery within 12 hours following a 1-1/2 hour continuous discharge.

6. Integral Self-Test: Automatically initiates test of unit emergency operation at required intervals. Test failure is annunciated by an integral audible alarm and a flashing LED.

SPEC WRITER NOTE: In surgery/operating rooms, designer shall coordinate lamp color temperature with surgical light.

Lamp color temperature shall be consistent with that of surgical light.

2.5 LAMPS

A. Linear and U-shaped T5 and T8 Fluorescent Lamps:

1. Except as indicated below, lamps shall have the following characteristics: low-mercury energy saving type, color temperature between 3500 - 5000K and as specified in the drawing’s LIGHTING

FIXTURE SCHEDULE, a Color Rendering Index (CRI) equal or greater than 80, average rated life equal to or greater than 24,000 hours

26 51 00 - 11 when used with an instant start ballast and 30,000 hours when used with a programmed or rapid start ballast (based on 3 hour starts), and be suitable for use with dimming ballasts, unless otherwise indicated.

2. Lamps shall comply with EPA Toxicity Characteristic Leachate

Procedure (TCLP) requirements.

B. Compact Fluorescent Lamps:

1. T4, CRI 80 (minimum), color temperature 3500K, average rated life equal to or greater than 12,000 hours (based on 3 hour starts), and suitable for use with dimming ballasts, unless otherwise indicated.

2. Lamps shall comply with EPA Toxicity Characteristic Leachate

Procedure (TCLP) requirements.

C. High Intensity Discharge Lamps:

1. High-Pressure Sodium Lamps: CRI 21 (minimum), color temperature

//1900// // //K, and average rated life of 24,000 hours.

a. Lamps shall comply with EPA Toxicity Characteristic Leachate

Procedure (TCLP) requirements.

2. Pulse-Start, Metal-Halide Lamps: Minimum CRI 65 (minimum), color temperature //4000// // //K, and average rated life of 15,000 hours

(based on 10 hour starts).

3. Ceramic, Pulse-Start, Metal-Halide Lamps: CRI 80 (minimum), color temperature //4000// // //K, and average rated life of 12,000 hours

(based on 10 hour starts).

2.6 RADIO-INTERFERENCE-FREE FLUORESCENT FIXTURES

SPEC WRITER NOTE: These fixtures are for use in Animal Labs, Surgery/Operating Rooms, Intensive Care Units, and in areas with similar functions.

A. Shall be specially designed for suppressing radio-frequency energy produced within the fixtures, and shall comply with Department of

Defense MIL-STD-461F and IEC IP65.

B. Lenses shall have metal mesh to prevent or reduce radio-frequency interference. The effective light transmittance of the lenses shall be a minimum of 75 percent.

C. Fixture finish shall be anti-microbial.

D. Provide RFI line filters integral to the fixtures and wired in series with the supply circuit conductors.

E. Ballasts shall be as specified in this Section.

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2.7 WALL MOUNTED FLUORESCENT BEDLIGHT FIXTURES

SPEC WRITER NOTE: Designer shall coordinate control requirements with patient bed control arrangement. Provide wiring diagram on the drawings.

A. Fixtures shall be lensed.

B. Fixtures shall be rated for 120 Volt operation, and be powered through the patient wall unit per Section 10 25 13, PATIENT BED SERVICE WALLS.

C. Provide 4-position, pull cord switch to control the upward and downward portion of the light separately and simultaneously. Include an off position, except in single bed rooms where the switch shall energize and de-energize the downward light only. In the single bed rooms, provide a 2-position pull cord switch for "on-off" control of the downward lamps.

//D. Provide low-voltage relays and switching integration with patient bed controls.//

SPEC WRITER NOTE: Verify if X-ray Film Illuminators are to be used. Current practice is typically PACS.

2.8 X-RAY FILM ILLUMINATORS

A. Shall be the high-intensity type, flush-mounted in the walls. Multiples of the basic unit may be combined in a common housing.

B. Shall have the following features:

1. Fluorescent lighting, designed to provide uniform diffusion of the light.

2. Box dimensions approximately 530 mm (21 inches) high, 355 mm (14 inches) wide and 100 mm (4 inches) deep.

3. Housing shall be steel. Trim shall be stainless steel and shall extend approximately 40 mm (1-1/2 inches) from the edges of the housing.

4. Viewing panel shall thermoplastic, not less than 3 mm (1/8 inch) thick.

5. Viewing panel shall have adequate dimensions so the films will not overlap the frame and will be positioned with respect to the light source for even illumination without shadows.

6. An ON-OFF double-pole, double-throw switch.

2.9 LED EXIT LIGHT FIXTURES

A. Exit light fixtures shall meet applicable requirements of NFPA and UL.

B. Housing and door shall be die-cast aluminum.

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C. For general purpose exit light fixtures, door frame shall be hinged, with latch. For vandal-resistant exit light fixtures, door frame shall be secured with tamper-resistant screws.

D. Finish shall be satin or fine-grain brushed aluminum.

E. There shall be no radioactive material used in the fixtures.

F. Fixtures:

1. Inscription panels shall be cast or stamped aluminum a minimum of

2.25 mm (0.090 inch) thick, stenciled with 150 mm (6 inch) high letters, baked with red color stable plastic or fiberglass. Lamps shall be luminous Light Emitting Diodes (LED) mounted in center of letters on red color stable plastic or fiberglass.

2. Double-Faced Fixtures: Provide double-faced fixtures where required or as shown on drawings.

3. Directional Arrows: Provide directional arrows as part of the inscription panel where required or as shown on drawings.

Directional arrows shall be the "chevron-type" of similar size and width as the letters and meet the requirements of NFPA 101.

G. Voltage: Multi-voltage (120 – 277V).

2.10 LED LIGHT FIXTURES

A. General:

1. LED light fixtures shall be in accordance with IES, NFPA, UL, as shown on the drawings, and as specified.

2. LED light fixtures shall be Reduction of Hazardous Substances

(RoHS)-compliant.

3. LED drivers shall include the following features unless otherwise indicated:

a. Minimum efficiency: 85% at full load.

b. Minimum Operating Ambient Temperature: -20˚ C. (-4˚ F.)

c. Input Voltage: 120 - 277V (±10%) at 60 Hz.

d. Integral short circuit, open circuit, and overload protection.

e. Power Factor: ≥ 0.95.

f. Total Harmonic Distortion: ≤ 20%.

g. Comply with FCC 47 CFR Part 15.

4. LED modules shall include the following features unless otherwise indicated:

a. Comply with IES LM-79 and LM-80 requirements.

b. Minimum CRI: 80 or higher. Minimum Color Fidelity Index (IES

Rf): 80 or higher.

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SPEC WRITER NOTE: In surgery/operating rooms, designer shall coordinate LED color temperature with surgical light.

LED color temperature shall be consistent with that of surgical light.

c. Color temperature between 3500 - 5000K and as specified in the drawings’ LIGHTING FIXTURE SCHEDULE.

d. Minimum Rated Life: 50,000 hours per IES L70.

e. Light output lumens as indicated in the LIGHTING FIXTURE

SCHEDULE.

B. LED Downlights:

1. Housing, LED driver, and LED module shall be products of the same manufacturer.

C. LED Troffers:

1. LED drivers, modules, and reflector shall be accessible, serviceable, and replaceable from below the ceiling.

2. Housing, LED driver, and LED module shall be products of the same manufacturer.

SPEC WRITER NOTE: When LED Emergency Battery Driver is specified, the designer shall specify this unit to be integral to the LED luminaire in the drawing’s

LIGHTING FIXTURE SCHEDULE.

//D. LED Emergency Battery Driver:

1. Input voltage: 120-277 Volt at 60Hz.

2. Illumination time: 90 minutes.

3. Operating temperature: 0˚C to 55˚C (32˚F to 131˚F).

4. Battery: Lithium Ferro Phosphate (LIF)technology, maintenance-free, and high-temperature. Battery shall be integral with the LED

Emergency Battery Driver unit.

5. Test switch: IP65 rated to protect against dust and water.//

SPEC WRITER NOTE: Delete between // ---- // if not applicable to project.

Also delete any other item or paragraph not applicable to the section and renumber the paragraphs. The designer shall include the applicable VA Standard Details on the drawings.

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PART 3 - EXECUTION

3.1 INSTALLATION

A. Installation shall be in accordance with the NEC, manufacturer's instructions, and as shown on the drawings or specified.

B. Align, mount, and level the lighting fixtures uniformly.

C. Wall-mounted fixtures shall be attached to the studs in the walls, or to a 20 gauge metal backing plate that is attached to the studs in the walls. Lighting fixtures shall not be attached directly to gypsum board.

D. Lighting Fixture Supports:

1. Shall provide support for all of the fixtures. Supports may be anchored to channels of the ceiling construction, to the structural slab or to structural members within a partition, or above a suspended ceiling.

2. Shall maintain the fixture positions after cleaning and relamping.

3. Shall support the lighting fixtures without causing the ceiling or partition to deflect.

SPEC WRITER NOTE: Use the following paragraphs 4 and 5 where seismic consideration is unnecessary.

//4. Hardware for recessed fluorescent fixtures:

a. Where the suspended ceiling system is supported at the four corners of the fixture opening, hardware devices shall clamp the fixture to the ceiling system structural members, or plaster frame at not less than four points in such a manner as to resist spreading of the support members and safely lock the fixture into the ceiling system.

b. Where the suspended ceiling system is not supported at the four corners of the fixture opening, hardware devices shall independently support the fixture from the building structure at four points.

5. Hardware for surface mounting fluorescent fixtures to suspended ceilings:

a. In addition to being secured to any required outlet box, fixtures shall be bolted to a grid ceiling system at four points spaced near the corners of each fixture. The bolts shall be not less than 6 mm (1/4 inch) secured to channel members attached to and spanning the tops of the ceiling structural grid members. Non-

26 51 00 - 16 turning studs may be attached to the ceiling structural grid members or spanning channels by special clips designed for the purpose, provided they lock into place and require simple tools for removal.

b. In addition to being secured to any required outlet box, fixtures shall be bolted to ceiling structural members at four points spaced near the corners of each fixture. Pre-positioned 6 mm (1/4 inch) studs or threaded plaster inserts secured to ceiling structural members shall be used to bolt the fixtures to the ceiling. In lieu of the above, 6 mm (1/4 inch) toggle bolts may be used on new or existing ceiling provided the plaster and lath can safely support the fixtures without sagging or cracking.//

SPEC WRITER NOTE: Include the following paragraph for projects in seismic areas of moderate-high, high and very high seismicities as listed in Table 4 of VA Handbook H-18-8, Seismic Design Requirements. Coordinate with the structural engineer.

//6. Hardware for recessed lighting fixtures:

a. All fixture mounting devices connecting fixtures to the ceiling system or building structure shall have a capacity for a horizontal force of 100 percent of the fixture weight and a vertical force of 400 percent of the fixture weight.

b. Mounting devices shall clamp the fixture to the ceiling system structure (main grid runners or fixture framing cross runners) at four points in such a manner as to resist spreading of these supporting members. Each support point device shall utilize a screw or approved hardware to "lock" the fixture housing to the ceiling system, restraining the fixture from movement in any direction relative to the ceiling. The screw (size No. 10 minimum) or approved hardware shall pass through the ceiling member (T-bar, channel or spline), or it may extend over the inside of the flange of the channel (or spline) that faces away from the fixture, in a manner that prevents any fixture movement.

SPEC WRITER NOTE: Where applicable, the following paragraph must be modified to be compatible with any special architectural requirements for fire rated ceilings.

26 51 00 - 17

c. In addition to the above, the following is required for fixtures exceeding 9 kg (20 pounds) in weight.

1) Where fixtures mounted in ASTM Standard C635 "Intermediate

Duty" and "Heavy Duty" ceilings and weigh between 9 kg and 25 kg (20 pounds and 56 pounds), provide two 12 gauge safety hangers hung slack between diagonal corners of the fixture and the building structure.

2) Where fixtures weigh over 25 kg (56 pounds), they shall be independently supported from the building structure by approved hangers. Two-way angular bracing of hangers shall be provided to prevent lateral motion.

d. Where ceiling cross runners are installed for support of lighting fixtures, they must have a carrying capacity equal to that of the main ceiling runners and be rigidly secured to the main runners.

7. Surface mounted lighting fixtures:

a. Fixtures shall be bolted against the ceiling independent of the outlet box at four points spaced near the corners of each unit.

The bolts (or stud-clips) shall be minimum 6 mm (1/4 inch) bolt, secured to main ceiling runners and/or secured to cross runners.

Non-turning studs may be attached to the main ceiling runners and cross runners with special non-friction clip devices designed for the purpose, provided they bolt through the runner, or are also secured to the building structure by 12 gauge safety hangers.

Studs or bolts securing fixtures weighing in excess of 25 kg (56 pounds) shall be supported directly from the building structure.

b. Where ceiling cross runners are installed for support of lighting fixtures, they must have a carrying capacity equal to that of the main ceiling runners and be rigidly secured to the main runners.

c. Fixtures less than 6.8 kg (15 pounds) in weight and occupying less than 3715 sq cm (two square feet) of ceiling area may, when designed for the purpose, be supported directly from the outlet box when all the following conditions are met.

1) Screws attaching the fixture to the outlet box pass through round holes (not key-hole slots) in the fixture body.

2) The outlet box is attached to a main ceiling runner (or cross runner) with approved hardware.

3) The outlet box is supported vertically from the building structure.

26 51 00 - 18

d. Fixtures mounted in open construction shall be secured directly to the building structure with approved bolting and clamping devices.

8. Single or double pendant-mounted lighting fixtures:

a. Each stem shall be supported by an approved outlet box mounted swivel joint and canopy which holds the stem captive and provides spring load (or approved equivalent) dampening of fixture oscillations. Outlet box shall be supported vertically from the building structure.

9. Outlet boxes for support of lighting fixtures (where permitted) shall be secured directly to the building structure with approved devices or supported vertically in a hung ceiling from the building structure with a nine gauge wire hanger, and be secured by an approved device to a main ceiling runner or cross runner to prevent any horizontal movement relative to the ceiling.//

E. Furnish and install the new lamps as specified for all lighting fixtures installed under this project, and for all existing lighting fixtures reused under this project.

F. The electrical and ceiling trades shall coordinate to ascertain that approved lighting fixtures are furnished in the proper sizes and installed with the proper devices (hangers, clips, trim frames, flanges, etc.), to match the ceiling system being installed.

G. Bond lighting fixtures to the grounding system as specified in Section

26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS.

H. At completion of project, replace all defective components of the lighting fixtures at no cost to the Government.

I. Dispose of lamps per requirements of Section 01 74 19, CONSTRUCTION

WASTE MANAGEMENT//, and Section 02 41 00, DEMOLITION//.

3.2 ACCEPTANCE CHECKS AND TESTS

A. Perform the following:

1. Visual Inspection:

a. Verify proper operation by operating the lighting controls.

b. Visually inspect for damage to fixtures, lenses, reflectors, diffusers, and louvers. Clean fixtures, lenses, reflectors, diffusers, and louvers that have accumulated dust, dirt, or fingerprints during construction.

2. Electrical tests:

26 51 00 - 19

a. Exercise dimming components of the lighting fixtures over full range of dimming capability by operating the control devices(s) in the presence of the //Resident Engineer// //COTR//. Observe for visually detectable flicker over full dimming range, and replace defective components at no cost to the Government.

b. Burn-in all lamps that require specific aging period to operate properly, prior to occupancy by Government. Burn-in period to be

40 hours minimum, unless specifically recommended otherwise by the lamp manufacturer. Burn-in dimmed fluorescent and compact fluorescent lamps for at least 100 hours at full voltage, unless specifically recommended otherwise by the lamp manufacturer.

Replace any lamps and ballasts which fail during burn-in.

3.3 FOLLOW-UP VERIFICATION

A. Upon completion of acceptance checks and tests, the Contractor shall show by demonstration in service that the lighting systems are in good operating condition and properly performing the intended function.

---END---

11-01-22

26 42 00 - 1

SECTION 26 42 00

CATHODIC PROTECTION

SPEC WRITER NOTES:

1. Use this specification for underground steel oil tanks and oil piping only when the soil resistivity is less than 4000 ohm-cm. Otherwise, the cathodic protection of oil tanks and oil piping is covered by Section 23 10 00, FACILITY FUEL SYSTEMS.

2. References to pressure in this section are gage pressure unless otherwise noted.

3. Delete between // -- // if not applicable to project. Also delete any other item or paragraph not applicable to the section and renumber the paragraphs.

PART 1 – GENERAL

1.1 DESCRIPTION

A. This section specifies complete galvanic sacrificial anode type cathodic protection systems for underground steel tanks and piping. The section also includes devices to electrically isolate the system being protected.

B. The services required include planning, installation, adjusting and testing of a cathodic protection system, using sacrificial anodes for cathodic protection of the //Water// //Fire Protection// //Force Main//

//Gas// // // lines, their connectors and //lines under the slab or floor foundation.// The cathodic protection system shall include anodes, cables, connectors, corrosion protection test stations, and any other equipment required for a complete operating system providing the

NACE criteria of protection as specified. Insulators are required whenever needed to insulate the pipes from any other structure. Any pipe crossing the // // pipe shall have a test station.

1.2 RELATED WORK

A. Section 03 30 00, CAST-IN-PLACE CONCRETE.

B. Section 23 05 11, COMMON WORK RESULTS FOR HVAC AND STEAM GENERATION.

C. Section 23 10 00, FACILITY FUEL SYSTEMS: Coating on underground steel oil tanks, and secondary containment for underground tanks and piping systems.

D. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section of

Division 26.

26 42 00 - 2

SPEC WRITER NOTE. Bonding grounding electrodes of the electrical system ground and the lightning protection system to buried steel sets up a galvanic cell that corrodes that steel.

Coordinate cathodic protection with the following two specification sections.

E. Section 26 05 06, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:

Requirements for personnel safety and to provide a low impedance path to ground for possible ground faults.

F. Section 26 41 00 FACILITY LIGHTNING PROTECTION: Requirements for personnel safety and to provide a low impedance path to ground for lightning caused surges.

G. Section 33 63 00, STEAM ENERGY DISTRIBUTION: Coating on underground steel casings for steam distribution systems.

1.3 QUALITY ASSURANCE

A. Quality Assurance shall be in accordance with Paragraph, QUALIFICATIONS

(PRODUCTS AND SERVICES) in Section 26 05 11, REQUIREMENTS FOR

ELECTRICAL INSTALLATIONS.

B. The Contractor shall be regularly engaged in the installation and testing of cathodic protection systems. Contractor's personnel shall be experienced, and shall be supervised by an engineer who is accredited as a Corrosion Specialist or Cathodic Protection Specialist by the National Association of Corrosion Engineers (NACE)

International.

C. Cathodic protection for underground metal storage tanks shall be designed in accordance with NACE RP0169. Cathodic protection for underground metal piping tanks shall be designed in accordance with

NACE RP0285.

1.4 SUBMITTALS

A. Submit in accordance with Paragraph, SUBMITTALS in Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, and the following requirements:

1. Design Submittal: For cathodic protection system indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the corrosion engineer responsible for their preparation.

a. Conduct site tests necessary for design, including soil resistivity, close-interval potential surveys, testing during

26 42 00 - 3 construction, interference testing, and training of Owner's personnel.

b. Provide system design calculations, stating the maximum recommended anode current output density, and the rate of gaseous production, if any, at that current density.

2. Furnish catalog cuts and shop drawings for the following items:

a. Anodes.

b. Cable and wire.

c. Test stations.

d. Terminal boxes.

e. Isolating flanges, unions, coatings, casing seals.

f. Exothermic welding devices.

g. Cable splice kits.

h. Layout drawings, wiring diagrams.

i. Test instruments.

j. Dielectric tape.

k. Test connection points.

3. Detail drawings consisting of a complete list of equipment and material and complete wiring and schematic diagrams, as well as any other details required to demonstrate that the system will function properly.

4. Designer’s accreditation as a Corrosion Specialist or Cathodic

Protection Specialist by NACE International.

5. Test reports in booklet form tabulating all field tests and measurements performed, upon completion and testing of the installed system and including close interval potential survey, casing and interference tests, final system test verifying protection, insulated joint and bond tests, and holiday coating test. A certified test report showing that the connecting method has passed a 120-day laboratory test without failure at the place of connection, wherein the anode is subjected to maximum recommended current output while immersed in a three percent sodium chloride solution.

6. Operation and Maintenance Manual:

a. Basic system operation.

b. Instructions for dielectric connections, interference and sacrificial-anode bonds; and precautions to ensure safe conditions during repair of pipe, tank or other metallic systems.

26 42 00 - 4

c. Locations of all anodes, test stations, and insulating joints.

d. Structure-to-reference cell potentials.

e. Recommendations for maintenance testing, including instructions for pipe-to-reference cell potential measurements and frequency of testing.

f. If changes have been made to the maintenance and operating manuals originally submitted, submit updated maintenance and operating manuals two weeks prior to the final inspection.

7. Certifications: Two weeks prior to final inspection, submit the following.

a. Certification by the manufacturer that the cathodic protection system conforms to the requirements of the drawings and specifications.

b. Certification by the Contractor that the Cathodic protection system has been properly installed and adjusted.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by basic designation only.

B. American Society for Testing and Materials (ASTM):

B8-11...................Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft

B843-18.................Magnesium Alloy Anodes for Cathodic Protection

D1248-16................Polyethylene Plastic Extrusion Materials for

Wire and Cable

F1182-07................Anodes, Sacrificial Zinc Alloy

G57-20..................Measurement of Soil Resistivity Using the

Wenner Four-Electrode Method

C. American Society of Mechanical Engineers (ASME):

B16.1-20................Pipe Flanges and Flanged Fittings

D. National Association of Corrosion Engineers (NACE) International:

SP0169-13...............Control of External Corrosion on Underground or

Submerged Metallic Piping Systems

SP0285-21...............Corrosion Control of Underground Storage Tank

Systems by Cathodic Protection

26 42 00 - 5

PART 2 - PRODUCTS

2.1 ANODES

A. Type: Type II, factory-packed in cloth bag or box containing prepared backfill mixture, with lead wires.

B. Construction:

1. Alloy Specifications:

SPEC WRITER NOTE: The chemical composition listed is for high potential anodes in accordance with ASTM B 843.

Should Type I anodes be considered suitable, provide appropriate chemical composition. Specify chemical composition which will provide adequate and economical service.

Element Percent of Weight

Aluminum 0.010 Max.

Manganese 0.50 - 1.30

Zinc 0.05 Max.

Silicon 0.50 Max.

Copper 0.02 Max.

Nickel 0.001 Max.

Iron 0.03 Max.

Other 0.30 Max.

Magnesium Remainder

2. Core: Galvanized steel.

3. Lead Wire: Factory installed, No. 12 solid copper, 3 M (10 feet) long, with TW or THWN insulation.

4. Lead Wire Attachment to Core: Silver solder the lead wire to the anode core, and seal the connection with an epoxy sealing compound.

Dielectric material shall extend past the connection and cover the lead wire insulation by not less than 12 mm (1/2 inch).

5. Packaging: Permeable cloth bag or box with backfill mixture completely surrounding anode 12 mm (1/2 inch) minimum.

a. Components:

Hydrated Gypsum 75 percent

Powdered Bentonite 20 percent

Anhydrous Sodium Sulphate 5 percent

26 42 00 - 6

SPEC WRITER NOTE: Insert weight and dimensions of the packaged anode below.

b. Center the anode in the firmly packed backfill using spacers.

Overall dimensions of the bagged // // kg (// // pound) anode shall be // // mm by // // mm (// // inches by // // inches) nominal.

2.2 INSULATED CABLE

A. Single conductor, stranded, annealed copper, Type HMWPE (high molecular weight polyethylene) insulation.

B. Construction:

1. Thickness of insulation:

AWG-SIZE mm (inches)

No. 8 2.8 (7/64)

No. 6 2.8 (7/64)

No. 4 2.8 (7/64)

No. 2 2.8 (7/64)

No. 1 3.2 (8/64)

No. 1/0 3.2 (8/64)

2. Insulation: ASTM D1248, Type 1, Class C, Category 5, Grade E5.

3. Conductors: ASTM B8.

C. Lead wires terminating at a junction box or test station shall have a cable identification tag.

2.3 CABLE CONNECTIONS

A. Connections between cables and tank, pipes, casings, or structures shall be exothermic welding process. Connections between cables and between cables and leads shall be corrosion-resistant split bolts.

B. Insulation of Cable-to-Cable Connections: Epoxy-resin splice kits with two-part resin, mold, sealing mastic.

C. Coating of Cable Connections to Protected Structures: Field-applied coating similar to that on the protected structure.

2.4 CABLE AND WIRE IDENTIFICATION TAGS

A. //Laminated plastic material with black letters on a yellow background// ////Brass// //Stainless steel// material with engraved letters//. Print letters and numbers a minimum of 5 mm (3/16 inch) in size. Provide identifier legend in accordance with the drawings.

26 42 00 - 7

2.5 TEST STATIONS

A. Type: Weatherproof, located at grade, or aboveground if so shown on the drawings. Enclosed terminals for anode leads, test leads, leads attached to protected system, and connection points for test instruments.

B. Construction:

1. Housing: The unit shall be of standard design, manufactured for use as a cathodic protection test station, complete with locking cover, terminal board, shunts, and brass or stainless steel hardware.

2. Provide terminal boards for anode junction boxes, bonding boxes, and test stations made of phenolic plastic. Insulated terminal boards shall have the required number of terminals (one terminal required for each conductor). Install solderless copper lugs and copper bus bars, shunts, and variable resistors on the terminal board as indicated. Test station terminal connections shall be permanently tagged to identify each termination of conductors (e.g. identify the conductors connected to the protected structure, anodes, and reference electrodes). Conductors shall be permanently identified by means of tags to indicate termination. //Each conductor shall be color coded as follows:

Anode lead wire - black

Structure lead wire – white

Reference electrode lead wire - red//

SPEC WRITER NOTE: Chose type of reference electrode based on soil resistivity and site conditions.

2.6 PERMANENT REFERENCE ELECTRODES

A. Permanent reference electrodes shall be //copper copper-sulfate//

//silver silver-chloride// //zinc// specifically manufactured for underground use, [//32// // // mm (//1-1/4// // // inch) diameter, by

//255// // // mm (//10// // // inches) long, //plastic// // // tube with an ion trap to minimize contamination of the cell, and a minimum surface sensing area of // // square centimeters// (// square inches). //The cell shall be prepackaged by the manufacturer with a backfill material as recommended by the manufacturer.// Provide cells with No. //10// //12// //14// // // AWG, //RHW// //THHN// //HMWPE// cable of sufficient length to extend to the //test station// //junction box// without splicing. Reference electrodes shall have a minimum 15

26 42 00 - 8 year life, and stability of plus or minus 5 millivolts under 3 microampere load.

2.7 DIELECTRIC TAPE

A. Vinyl plastic electrical tape, 0.18 to 0.25 mm (7 - 10 mils) thick, pressure-sensitive adhesive.

2.8 WARNING TAPE

A. 50 mm (2 inches) wide, detectable with metal detector, mylar-encased aluminum, orange color, imprinted "Cathodic Protection Cable Below" or similar.

2.9 DIELECTRIC INSULATION

A. Rubber-based, //3 mm (0.125 inch)// //13 mm (0.5 inch)// thick.

SPEC WRITER NOTE: Delete between // ---- // if not applicable to project.

Also delete any other item or paragraph

PART 3 - EXECUTION

3.1 INSTALLATION

A. Anodes:

1. Excavate hole to a minimum 75 mm (3 inches) larger than the packaged anode diameter, // // mm (// //feet) deep. Excavate lead wire trench to //610// // // mm (//24// // // inches) deep, and // // mm (// //inches) wide. Install in native soil, 900 mm (3 feet) minimum from protected structure, below centerline of protected structure, and at locations shown. Backfill shall be native soil.

Install anodes adjacent to fuel tanks vertically.

2. Do not lift or support anode by the lead wire. Where applicable, remove manufacturer's plastic wrap/bag from the anode. Exercise care to preclude damaging the cloth bag and the lead wire insulation.

3. Center the packaged anode in the hole with native soil in layers not exceeding 150 mm (6 inches). Hand tamp each layer to remove voids taking care not to strike the anode lead wire.