26 51 00 INTERIOR LIGHTING.doc

SECTION 26 51 00

INTERIOR LIGHTING

NOTE: This guide specification covers the requirements for electrical inspection and testing.

Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.

Remove information and requirements not required in respective project, whether or not brackets are present.

Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.

Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).

NOTE: Use this specification on project specifications where NETA testing is required.

The following sections reference NETA for power distribution services and equipment.

--Section 26 32 13.00 20 SINGLE OPERATION GENERATOR SETS --Section 26 12 19.20 THREE-PHASE PAD-MOUNTED TRANSFORMERS --Section 26 12 19.20 SINGLE-PHASE PAD-MOUNTED TRANSFORMERS --Section 33 71 01 OVERHEAD TRANSMISSION AND DISTRIBUTION --Section 33 71 02.00 20 UNDERGROUND TRANSMISSION AND DISTRIBUTION --Section L-16303N UNDERGROUND ELECTRICAL WORK --Section 26 13 00.00 20 PAD-MOUNTED SF6 INSULATED INTERRUPTER --Section 26 11 13 SECONDARY UNIT SUBSTATIONS --Section 26 11 16.00 20 PRIMARY UNIT SUBSTATIONS --Section 26 36 23.00 20 AUTOMATIC TRANSFER SWITCHES --Section 26 23 00 SWITCHBOARDS AND SWITCHGEAR This section shall also be used for specification sections containing low-voltage or medium voltage generator control switchboards or switchgear, pad-mounted air switches, and medium voltage circuit breakers. Provide the section numbers and titles in this section, and add NETA testing requirements to the applicable section.

Coordinate the sections in your contract documents with this list and with paragraph entitled "Acceptance Tests and Inspection" in PART 3 of this specification.

PART 1 GENERAL

1.1 REFERENCES

NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.

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1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. Unless other wise noted, the latest published version and/or revision shall be used.

1.1.1.1 ASTM INTERNATIONAL (ASTM)

a. ASTM A 1008 Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardened

b. ASTM A 580 Standard Specification for Stainless Steel Wire

c. ASTM A 641 Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire

d. ASTM A 653 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

e. ASTM B 164 Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire

f. ASTM B 633 Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel

g. ASTM E 2129 Standard Practice for Data Collection for Sustainability Assessment of Building Products

1.1.1.2 CALIFORNIA ENERGY COMMISSION (CEC)

a. CEC Title 24 California's Energy Efficiency Standards for Residential and Nonresidential Buildings

1.1.1.3 GREEN SEAL (GS)

a. GC-12 Occupancy Sensors

1.1.1.4 ILLUMINATING ENGINEERING SOCIETY OF NORTH AMERICA (IESNA)

a. IESNA HB-9 IES Lighting Handbook

1.1.1.5 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

a. IEEE C136.10 American National Standard for Roadway Lighting Equipment-Locking-Type Photocontrol Devices and Mating Receptacles - Physical and Electrical Interchangeability and Testing

b. IEEE C2 National Electrical Safety Code

c. IEEE C62.41.1 IEEE Guide on the Surges Environment in Low-voltage (1000V and Less) AC Power Circuits

d. IEEE C62.41.2 IEEE Recommended Practice on Characterization of Surges in Low-voltage (1000V and Less) AC Power Circuits

e. IEEE Std 100 The Authoritave Dictionary of IEEE Standards Terms

1.1.1.6 NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

a. NEMA 250 Enclosures for Electrical Equipment (1000 Volts Maximum)

b. NEMA C78.1381 Electric Lamps - 250-Watt, 70 Watt, M85 Metal-Halide Lamps

c. NEMA C78.41 Guidelines for Low-Pressure Sodium Lamps

d. NEMA C78.42 Standard for High-Pressure Sodium Lamps

e. NEMA C78.43 Standard for Electric Lamps - Single-Ended Metal-Halide Lamps

f. NEMA C78.81 Electric Lamps - Double-capped Fluorescent Lamps Dimensional and Electrical Characteristics

g. NEMA C78.901 Electric Lamps - Single Base Fluorescent Lamps Dimensional and Electrical Characteristics

h. NEMA C82.1 Electric Lamp Ballasts - Line Frequency Fluorescent Lamp Ballasts

i. NEMA C82.11 High-Frequency Fluorescent Lamp Ballasts

j. NEMA C82.2 Methods of Measurement of Fluorescent Lamp Ballasts

k. NEMA C82.4 Ballasts for High-Intensity-Discharge and Low-Pressure Sodium Lamps (Multiple-Supply Type)

l. NEMA ICS 2 Standard for Industrial Control and Systems: Controllers, Contractors, and Overload Relays Rated Not More than 2000 Volts AC or 750 Volts DC: Part 8 - Disconnect Devices for Use in Industrial Control Equipment

m. NEMA ICS 6 Standard for Industrial Controls and Systems Enclosures

n. NEMA LL 1 Procedures for Linear Fluorescent Lamp Sample Preparation and the TCLP Extraction

1.1.1.7 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

a. NFPA 101 Life Safety Code, 2006 Edition

b. NFPA 70 National Electrical Code

c. NFPA 90A Standard for the Installation of Air Conditioning and Ventilating Systems

1.1.1.8 U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)

a. Energy Star Energy Star Energy Efficiency Labeling System

1.1.1.9 UNDERWRITERS LABORATORIES (UL)

a. UL 1029 Standard for Safety High-Intensity-Discharge Lamp Ballasts

b. UL 1598 Luminaries

c. UL 20 Standard for General-Use Snap Switches

d. UL 595 Marine-Type Electric Lighting Fixtures

e. UL 773 Standard for Plug-In Locking Type Photocontrols for Use with Area Lighting

f. UL 773A Nonindustrial Photoelectric Switches for Lighting Control

g. UL 844 Standard for Electric Lighting Fixtures for Use in Hazardous (Classified) Locations

h. UL 924 Standard for Emergency Lighting and Power Equipment

i. UL 935 Standard for Fluorescent-Lamp Ballasts

1.2 RELATED REQUIREMENTS

1.2.1 The information provided in this section applies to all other specification sections that are applicable to project.

1.3 DEFINITIONS

a. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, shall be as defined in IEEE Std 100.

b. Average life is the time after which 50 percent will have failed and 50 percent will have survived under normal conditions.

c. Total harmonic distortion (THD) is the root mean square (RMS) of all the harmonic components divided by the total fundamental current.

1.4 SYSTEM DESCRIPTION

1.4.1 Lighting Control System

1.4.1.1 Provide lighting control system as indicated. Lighting control equipment shall include, if indicated: control modules, power packs, dimming ballasts, occupancy sensors, and light level sensors.

1.5 SUBMITTALS

1.5.1 Government approval may be required on any of the following items. Items requiring submittals will be listed on the AF Form 66. Provide copies of all submittals per the requirements in Section 01 33 00, Submittal Procedures, or as listed on the AF Form 66.

1.5.2 Data, drawings, and reports shall employ the terminology, classifications, and methods prescribed by the IESNA HB-9, as applicable, for the lighting system specified.

1.5.2.1 SD-03 Product Data

a. Fluorescent lighting fixtures

b. Fluorescent electronic ballasts

c. Fluorescent lamps

d. High-intensity-discharge (HID) lighting fixtures

e. HID ballasts

f. High-pressure sodium (HPS) lamps

g. Metal-halide lamps

h. Incandescent lighting fixtures

i. Incandescent lamps

j. Dimmer switch

k. Lighting contactor

l. Time switch

m. Photocell switch

n. Power hook fixture hangers

o. Exit signs

p. Emergency lighting equipment

q. Occupancy sensors

r. Electronic dimming ballast

s. Dimming ballast controls

t. Light Level Sensor

u. Local/Regional Materials

(1) Documentation indicating distance between manufacturing facility and the project site. Indicate distance of raw material origin from the project site. Indicate relative dollar value of local/regional materials to total dollar value of products included in project.

v. Environmental Data

w. Energy Efficiency

1.5.2.2 SD-04 Samples

a. Lighting fixtures, complete with lamps and ballasts

1.5.2.3 SD-06 Test Reports

a. Operating test

b. Submit test results as stated in paragraph entitled "Field Quality Control."

1.5.2.4 SD-10 Operation and Maintenance Data

a. Lighting Control System, Data Package 5

(1) Submit operation and maintenance data in accordance with Section 01 78 23 Operations and Maintenance Data and as specified herein, showing all light fixtures, control modules, control zones, occupancy sensors, light level sensors, power packs, dimming ballasts, schematic diagrams and all interconnecting control wire, conduit, and associated hardware.

b. Operational Service

(1) Submit documentation that includes contact information, summary of procedures, and the limitations and conditions applicable to the project. Indicate manufacturer's commitment to reclaim materials for recycling and/or reuse.

1.6 QUALITY ASSURANCE

1.6.1 Fluorescent Electronic Ballasts

1.6.1.1 Submit ballast catalog data as required in the paragraph entitled "Fluorescent Lamp Electronic Ballasts" contained herein. As an option, submit the fluorescent fixture manufacturer's electronic ballast specification information in lieu of the actual ballast manufacturer's catalog data. This information shall include published specifications and sketches, which covers the information required by the paragraph entitled "Fluorescent Lamp Electronic Ballasts" herein. This information may be supplemented by catalog data if required, and shall contain a list of vendors with vendor part numbers.

1.6.2 Lighting Fixtures, Complete With Lamps and Ballasts

1.6.2.1 Submit one sample of each fixture type indicated for inspection, review, and approval. The sample shall be retained for comparison against the remainder of the fixtures.

1.6.3 Regulatory Requirements

1.6.3.1 In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction," or words of similar meaning, to mean the Contracting Officer. Equipment, materials, installation, and workmanship shall be in accordance with the mandatory and advisory provisions of NFPA 70 unless more stringent requirements are specified or indicated.

1.6.4 Standard Products

1.6.4.1 Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year period shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in this section.

1.6.4.2 Alternative Qualifications

a. Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished.

1.6.4.3 Material and Equipment Manufacturing Date

a. Products manufactured more than 3 years prior to date of delivery to site shall not be used, unless specified otherwise.

1.6.4.4 Energy Efficiency

a. Comply with National Energy Policy Act and Energy Star requirements for lighting products. Submit data indicating lumens per watt efficiency and color rendition index of light source.

1.7 WARRANTY

1.7.1 The equipment items shall be supported by service organizations which are reasonably convenient to the equipment installation in order to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.7.2 Electronic Ballast Warranty

1.7.2.1 Furnish the electronic ballast manufacturer's warranty. The warranty period shall not be less than 5 years from the date of manufacture of the electronic ballast. Ballast assembly in the lighting fixture, transportation, and on-site storage shall not exceed 12 months, thereby permitting 4 years of the ballast 5 year warranty to be in service and energized. The warranty shall state that the malfunctioning ballast shall be exchanged by the manufacturer and promptly shipped to the using Government facility. The replacement ballast shall be identical to, or an improvement upon, the original design of the malfunctioning ballast.

1.8 OPERATIONAL SERVICE

1.8.1 Coordinate with manufacturer for take-back program. Services shall reclaim materials for recycling and/or reuse. Services shall not landfill or burn reclaimed materials. Indicate procedures for compliance with regulations governing disposal of mercury. When such a service is not available, local recyclers shall be sought after to reclaim the materials.

1.9 SUSTAINABLE DESIGN REQUIREMENTS

1.9.1 Local/Regional Materials

1.9.1.1 Use materials or products extracted, harvested, or recovered, as well as manufactured, within a 500 mile radius from the project site, if available from a minimum of three sources.

PART 2 PRODUCTS

2.1 FLUORESCENT LIGHTING FIXTURES

2.1.1 UL 1598. Fluorescent fixtures shall have electronic ballasts unless specifically indicated otherwise.

2.1.2 Fluorescent Lamp Electronic Ballasts

2.1.2.1 The electronic ballast shall as a minimum meet the following characteristics:

a. Ballast shall comply with UL 935, NEMA C82.11, NFPA 70, and CEC Title 24 unless specified otherwise. Ballast shall be 100% electronic high frequency type with no magnetic core and coil components. Ballast shall provide transient immunity as recommended by IEEE C62.41.1 and IEEE C62.41.2. Ballast shall be designed for the wattage of the lamps used in the indicated application. Ballasts shall be designed to operate on the voltage system to which they are connected.

b. Power factor shall be 0.95 (minimum).

c. Ballast shall operate at a frequency of 20,000 Hertz (minimum). Ballast shall be compatible with and not cause interference with the operation of occupancy sensors or other infrared control systems. Provide ballasts operating at or above 40,000 Hertz where available.

d. Ballast shall have light regulation of plus or minus 10 percent lumen output with a plus or minus 10 percent input voltage regulation. Ballast shall have 10 percent flicker (maximum) using any compatible lamp.

e. Ballast factor shall be between 0.85 (minimum) and 1.00 (maximum). Current crest factor shall be 1.7 (maximum).

f. Ballast shall be UL listed Class P with a sound rating of "A."

g. Ballast shall have circuit diagrams and lamp connections displayed on the ballast.

h. Ballasts shall be programmed start unless otherwise indicated. Programmed start ballasts may operate lamps in a series circuit configuration. Provide series/parallel wiring for programmed start ballasts where available.

i. Ballasts for compact fluorescent fixtures shall be programmed start.

j. Ballasts for T-5 and smaller lamps shall have end-of-life protection circuits as required by NEMA C78.81 and NEMA C78.901 as applicable.

k. Ballast shall be capable of starting and maintaining operation at a minimum of (0 degrees F) unless otherwise indicated.

l. Electronic ballast shall have a full replacement warranty of 5 years from date of manufacture as specified in paragraph entitled "Electronic Ballast Warranty" herein.

2.1.2.2 T-8 Lamp Ballast

a. Total harmonic distortion (THD): Shall be 10 percent (maximum).

2.1.3 Fluorescent Lamp Electronic Dimming Ballast

2.1.3.1 The electronic ballast shall as a minimum meet the following characteristics:

a. Ballast shall comply with NEMA C82.11, UL 935, and NFPA 70, unless specified otherwise. Ballast shall provide transient immunity as recommended by IEEE C62.41.1 and IEEE C62.41.2. Ballast dimming capability range shall be from 100 to 5 percent (minimum range) of light output, flicker free. Ballast shall start lamp at any preset light output setting without first having to go to full light output. Ballast shall be designed for the wattage of the lamps used in the indicated application. Ballasts shall be designed to operate on the voltage system to which they are connected. Ballast shall not require special devices for dimming control. Ballasts shall not require additional wiring for control.

b. Power factor shall be 0.95 (minimum) at full light output, and 0.90 (minimum) over the entire dimming range.

c. Ballast shall operate at a frequency of 20,000 Hertz (minimum). Ballast shall be compatible with and not cause interference with the operation of occupancy sensors or other infrared control systems. Provide ballasts operating at or above 40,000 Hertz where available.

d. Ballast factor at full light output shall be between 0.85 (minimum) and 1.00 (maximum). Current crest factor shall be 1.7 (maximum).

e. Ballast shall be UL listed Class P with a sound rating of "A".

f. Ballast shall have circuit diagrams and lamp connections displayed on the ballast.

g. Ballast shall be programmed start. Ballast may operate lamps in a series circuit configuration. Provide series/parallel wiring for programmed start ballasts where available.

h. Ballasts for compact fluorescent fixtures shall be programmed start.

i. Ballast shall be capable of starting and maintaining operation at a minimum of (0 degrees F) unless otherwise indicated.

j. Total harmonic distortion (THD): Shall be 10 percent (maximum) over the entire dimming range.

k. Ballasts for T-5 and smaller lamps shall have end-of-life protection circuits as required by NEMA C78.81 and NEMA C78.901 as applicable.

2.1.4 Dimming Ballast Controls

2.1.4.1 The dimming ballast controls shall be a slide dimmer with on/off control. The slide dimmer shall be compatible with the ballast and control the ballast light output over the full dimming range. Dimming ballast controls shall be approved by the ballast manufacturer.

2.1.5 Light Level Sensor

2.1.5.1 UL listed. Light level sensor shall be capable of detecting changes in ambient lighting levels, shall provide a dimming range of 20 percent to 100 percent, minimum, and shall be designed for use with dimming ballast and voltage system to which they are connected. Sensor shall be capable of controlling 40 electronic dimming ballasts, minimum. Sensor light level shall be adjustable and have a set level range from (10 to 100 footcandles), minimum. Sensor shall have a bypass function to electrically override sensor control.

2.1.6 Fluorescent Lamps

a. T-8 rapid start low mercury lamps shall be rated 32 watts (maximum), 2800 initial lumens (minimum), CRI of 85 (minimum), color temperature of 3500 K, and an average rated life of 20,000 hours. Low mercury lamps shall have passed the EPA Toxicity Characteristic Leachate Procedure (TCLP) for mercury by using the lamp sample preparation procedure described in NEMA LL 1.

b. T-8 rapid start lamp, 17 watt (maximum), nominal length of (24 inches), 1300 initial lumens, CRI of 85 (minimum), color temperature of 3500 K, unless otherwise required by the base/post, and an average rated life of 20,000 hours.

c. T-8 instant start lamp, 59 watts (maximum), nominal length of (96 inches), minimum CRI of 85, 5700 initial lumens, color temperature of 3500 K, unless otherwise required by the base/post, and average rated life of 15,000 hours.

d. T-5, long twin tube fluorescent lamp, 40 watts (maximum), 3500 K, unless otherwise required by the base/post, (22.6 inches) maximum length, 20,000 hours average rated life, 3150 initial lumens, CRI of 88 (minimum).

e. T-8, U shaped fluorescent lamp, 31 watts maximum, 2600 initial lumens (minimum), 3500 K unless otherwise required by the base/post, 85 CRI (minimum), 20,000 hours average rated life. Coordinate the use of “U” shaped lamps, some base/posts do not permit them.

f. Compact fluorescent lamps shall be: CRI 85, minimum, 3500 K, unless otherwise required by the base/post, 10,000 hours average rated life, and as follows:

2.1.7 Compact Fluorescent Fixtures

2.1.7.1 Compact fluorescent fixtures shall be manufactured specifically for compact fluorescent lamps with ballasts integral to the fixture. Providing assemblies designed to retrofit incandescent fixtures is prohibited except when specifically indicated for renovation of existing fixtures. Fixtures shall use lamps as indicated, with a minimum CRI of 85.

2.1.7.2 Bare Bulb Retrofits

a. Replace 40-watt incandescent bulbs (495+ lumens) with 11- to 14-watt compact fluorescent bulbs (45+ lumens per watt). Replace 60-watt incandescent bulbs (900+ lumens) with 15- to 19-watt compact fluorescent bulbs (60+ lumens per watt). Replace 75-watt incandescent bulbs (1200+ lumens) with 20- to 25-watt compact fluorescent bulbs (60+ lumens per watt). Replace 100-watt incandescent bulbs (1750+ lumens) with 29-watt or greater compact fluorescent bulbs (60+ lumens per watt).

2.1.7.3 Reflector Type Bulb Retrofits

a. Replace 50-watt incandescent bulbs (550+ lumens) with 17- to 19-watt compact fluorescent bulbs (33+ lumens per watt). Replace 60-watt incandescent bulbs (675+ lumens) with 20- to 21-watt compact fluorescent bulbs (40+ lumens per watt). Replace 75-watt incandescent bulbs (875+ lumens) with 22-watt or greater compact fluorescent bulbs (40+ lumens per watt).

2.1.8 Open-Tube Fluorescent Fixtures

2.1.8.1 Provide with self-locking sockets, or lamp retainers (two per lamp). Provide a clear polycarbonate protective sleeve with end caps, over lamp, with 95 percent (minimum) light transmission. The sleeve shall be rated to withstand the thermal profile of the lamp and ballast. Fixtures with protective wire guards are not considered open-tube.

2.1.9 Air Handling Fixtures

2.1.9.1 Fixtures used as air handling registers shall meet requirements of NFPA 90A.

2.2 HIGH-INTENSITY-DISCHARGE (HID) LIGHTING FIXTURES

2.2.1 UL 1598.

2.2.2 HID Ballasts

2.2.2.1 UL 1029 and NEMA C82.4 and shall be constant wattage autotransformer (CWA) or regulator, high power factor type (minimum 90%). Provide single-lamp ballasts which shall have a minimum starting temperature of minus 30 degrees C. Ballasts shall be:

a. Designed to operate on the voltage system to which they are connected.

b. Designed for installation in a normal ambient temperature of 104 degrees F.

c. Constructed so that open circuit operation will not reduce the average life.

(1) High-pressure sodium (HPS) ballasts shall have a solid-state igniter/starter with an average life in the pulsing mode of 3500 hours at the intended ambient temperature. Igniter case temperature shall not exceed 90 degrees C in any mode.

2.2.3 High-Pressure Sodium (HPS) Lamps

2.2.3.1 NEMA C78.42 wattage as indicated.

2.2.4 Metal-Halide Lamps

a. Double-ended, 70 watt, conforming to NEMA C78.1381

b. Single-ended, wattage as indicated, conforming to NEMA C78.43

2.3 INCANDESCENT LIGHTING FIXTURES

2.3.1 Use of incandescent lamps and fixtures is prohibited, unless specifically indicated otherwise. UL 1598.

2.3.2 Incandescent Lamps

2.3.2.1 Provide the number, type, and wattage indicated.

2.4 RECESS- AND FLUSH-MOUNTED FIXTURES

2.4.1 Provide type that can be relamped from the bottom. Access to ballast shall be from the bottom. Trim for the exposed surface of flush-mounted fixtures shall be as indicated.

2.5 SUSPENDED FIXTURES

2.5.1 Support fixture as required by Section 26 05 48.00 10 Seismic Protection for Electrical Equipment.

2.6 FIXTURES FOR HAZARDOUS LOCATIONS

2.6.1 In addition to requirements stated herein, provide fluorescent or HID fixtures for hazardous locations which conform to UL 844 or which have Factory Mutual certification for the class and division indicated. Fixture shall also conform to UL 595 for marine environments as indicated.

2.7 SWITCHES AND DIMMERS

2.7.1 Provide switches and dimmers as specified in Section 26 20 00 Interior Distribution System.

2.8 LIGHTING CONTACTOR

2.8.1 NEMA ICS 2, mechanically held contactor. Rate contactor as indicated. Provide in NEMA enclosure conforming to NEMA ICS 6, as required by environment it is installed in. Contactor shall have silver alloy double-break contacts and coil clearing contacts for mechanically held contactor. Provide contactor with hand-off-automatic selector switch, as indicated.

2.9 TIME SWITCH

2.9.1 Astronomic dial type or electronic type, arranged to turn "ON" at sunset and turn "OFF" at predetermined time between 8:30 p.m. and 2:30 a.m. or sunrise, automatically changing the settings each day in accordance with seasonal changes of sunset and sunrise. Provide switch having automatically wound spring mechanism or capacitor, to maintain accurate time for a minimum of 15 hours following power failure. Provide time switch with a manual on-off bypass switch. Housing for the time switch shall be as required by environment it is installed in.

2.10 PHOTOCELL SWITCH

2.10.1 UL 773 or UL 773A, hermetically sealed cadmium-sulfide or silicon diode type cell, single-throw contacts. Switch shall turn on at or below (3 footcandles) and off at (2 to 10 footcandles). A time delay shall prevent accidental switching from transient light sources. Provide switch as indicated/required for the application.

a. Integral to the luminaire, rated 1000W minimum. Provide a directional lens in front of the cell to prevent fixed light sources from creating a turnoff condition.

b. In a U.V. stabilized polycarbonate housing with swivel arm and adjustable window slide, rated 1800 VA, minimum.

c. In a high-impact-resistant, noncorroding and nonconductive molded plastic housing with a locking-type receptacle conforming to IEEE C136.10, rated 1800 VA, minimum.

d. In a cast weatherproof aluminum housing with adjustable window slide, rated 1800 VA, minimum.

2.11 POWER HOOK FIXTURE HANGERS

2.11.1 Provide UL listed assembly including through-wired power hook housing, interlocking plug and receptacle, power cord, and fixture support loop. Power hook housing shall be cast aluminum having two (3/4 inch) threaded hubs. Support hook shall have safety screw. Fixture support loop shall be cast aluminum with provisions for accepting (3/4 inch) threaded fixture stems. Power cord shall include (16 inches) of 3 conductor No. 16 Type SO cord.

2.12 EXIT SIGNS

2.12.1 UL 924, NFPA 70, and NFPA 101. Exit signs shall be self-powered or remote-powered, as indicated. Exit signs shall use no more than 5 watts per side.

2.12.2 Self-Powered LED Type Exit Signs (Battery Backup)

2.12.2.1 Provide with automatic power failure device, test switch, pilot light, integral self-testing module and fully automatic high/low trickle charger in a self-contained power pack. Battery shall be sealed electrolyte type, shall operate unattended, and require no maintenance, including no additional water, for a period of not less than 5 years. LED exit sign shall have emergency run time of 1 1/2 hours (minimum). The light emitting diodes shall have rated lamp life of 70,000 hours (minimum).

2.12.3 Remote-Powered Exit Signs

2.12.3.1 Provide remote ac/dc exit signs with provisions for wiring to external ac and dc power sources. Provide signs with a minimum of two ac lamps for normal illumination and a minimum of two dc lamps for emergency lighting.

2.13 EMERGENCY LIGHTING EQUIPMENT

2.13.1 UL 924, NFPA 70, and NFPA 101. Provide lamps in wattage indicated. Provide accessories required for remote-mounted lamps where indicated.

2.13.2 Emergency Lighting Unit

2.13.2.1 Provide as indicated. Emergency lighting units shall be rated for 12 volts, except units having no remote-mounted lamps and having no more than two unit-mounted lamps may be rated 6 volts. Provide integral self-testing module.

2.13.3 Fluorescent Emergency System

2.13.3.1 Each system shall consist of an automatic power failure device, test switch operable from outside of the fixture, pilot light visible from outside the fixture, and fully automatic solid-state charger in a self-contained power pack. Charger shall be either trickle, float, constant current or constant potential type, or a combination of these. Battery shall be sealed electrolyte type with capacity as required to supply power to the number of lamps shown for each system for 90 minutes at a minimum of 600 lumens per lamp output. Battery shall operate unattended and require no maintenance, including no additional water, for a period of not less than 5 years. Emergency ballasts provided with fixtures containing solid-state ballasts shall be fully compatible with the solid-state ballasts.

2.14 SELF-TESTING MODULE

2.14.1 Self-testing module for exit signs and emergency lighting equipment shall perform the following functions:

a. Continuous monitoring of charger operation and battery voltage with visual indication of normal operation and of malfunction.

b. Monthly discharge cycling of battery with monitoring of transfer circuit function, battery capacity and emergency lamp operation with visual indication of malfunction. The battery capacity test may be conducted by using a synthetic load.

c. Manual test switch to simulate a discharge test cycle.

d. Module shall have low voltage battery disconnect (LVD) and brown-out protection circuit.

2.15 AUXILIARY INSTANT-ON SYSTEM

2.15.1 UL listed, automatically switched instant-on quartz or compact fluorescent lamp. Quartz or Compact fluorescent lamp shall come on when luminaire is initially energized and following a momentary power outage and shall remain on until HID lamp reaches approximately 60 percent light output. Wiring for quartz or compact fluorescent lamp shall be internal to the ballast and shall be independent of the incoming line voltage to the ballast. Provide instant-on quartz compact fluorescent system as indicated.

2.16 OCCUPANCY SENSORS

2.16.1 UL listed. Comply with GC-12. Occupancy sensors and power packs shall be designed to operate on the voltage indicated. Sensors and power packs shall have circuitry that only allows load switching at or near zero current crossing of supply voltage. Occupancy sensor mounting as indicated. Sensor shall have an LED occupant detection indicator. Sensor shall have adjustable sensitivity and adjustable delayed-off time range of 5 minutes to 30 minutes. Wall mounted sensors shall match the color of adjacent wall plates as specified in Section 26 20 00 Interior Distribution System, ceiling mounted sensors shall be white. Ceiling mounted sensors shall have (360 degree) coverage unless otherwise indicated.

a. Ultrasonic sensor shall be crystal controlled and shall not cause detection interference between adjacent sensors.

b. Infrared sensors shall have a daylight filter. Sensor shall have a fresnel lens that is applicable to space to be controlled.

c. Ultrasonic/Infrared Combination Sensor.

2.17 EQUIPMENT IDENTIFICATION

2.17.1 Manufacturer's Nameplate

2.17.1.1 Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

2.17.2 Labels

2.17.2.1 Provide labeled luminaires in accordance with UL 1598 requirements. All luminaires shall be clearly marked for operation of specific lamps and ballasts according to proper lamp type. The following lamp characteristics shall be noted in the format "Use Only _____":

a. Lamp diameter code (T-4, T-5, T-8, T-12), tube configuration (twin, quad, triple), base type, and nominal wattage for fluorescent and compact fluorescent luminaires.

b. Lamp type, wattage, bulb type (ED17, BD56, etc.) and coating (clear or coated) for HID luminaires.

c. Start type (preheat, rapid start, instant start) for fluorescent and compact fluorescent luminaires.

d. ANSI ballast type (M98, M57, etc.) for HID luminaires.

e. Correlated color temperature (CCT) and color rendering index (CRI) for all luminaires.

2.17.2.2 All markings related to lamp type shall be clear and located to be readily visible to service personnel, but unseen from normal viewing angles when lamps are in place. Ballasts shall have clear markings indicating multi-level outputs and indicate proper terminals for the various outputs.

2.18 FACTORY APPLIED FINISH

2.18.1 Electrical equipment shall have factory-applied painting systems which shall, as a minimum, meet the requirements of NEMA 250 corrosion-resistance test.

2.19 REUSED OR RELOCATED FIXTURES

2.19.1 When existing fixtures are indicated to be re-used and/or re-located, the contractor shall clean the fixture reflector and/or lens and provide new lamps. Cracked or yellowed lenses shall be replaced where necessary.

2.20 CUSTOM COLOR

2.20.1 Where "Custom Color" is indicated on the fixture schedule, the CO/COR shall have the option of selecting a custom color that may not be included in the manufacturer's standard library of finishes. Color selection for the fixture will be provided at the time of the shop drawing review process and the color will be listed as a standard RAL number.

2.21 POWER CONTROL COMPONENTS FOR OCCUPANCY SENSORS

2.21.1 Contacts, transformers, and relays that are a part of, or used in conjunction with, occupancy sensors shall be fully rated for the applied voltage and be made of UL listed components. The system components shall be protected from over current according to the NEC.

2.21.2 Separate transformers, relays and power-packs shall be mounted in a NEMA enclosure of suitable rating.

2.21.3 The rating of relays, power-packs and contacts shall be a minimum of 1800-watt tungsten and 2400-watt ballast, 120-volts, or 4500-watt ballast rating at 277-volts.

2.21.4 Power-packs (if used) shall consist of a transformer and relay combination in one package.

a. Power-packs shall be UL listed.

b. Power-pack relay control power consumption shall not exceed 2VA in any mode of operation.

c. One power-pack must be capable of operating eight occupancy sensors and shall have the capability of operating a low voltage wired slave relay to control an electrical light circuit or other electrical load. The slave relay pack shall have the same electrical wattage as a standard power-pack.

2.22 DAYLIGHT SENSORS

2.22.1 Daylight Sensors shall be capable of detecting changes in illumination levels. It shall utilize an internal photoconductive cell to measure illumination levels through a diffuse lens.

2.22.2 Daylight Sensors shall be capable of turning off and on between 10 and 200 foot-candles for low illumination levels, and between 50 and 1000 foot-candles for high illumination levels.

2.22.3 Daylight Sensors shall have a dead-band feature with a 3 to 1 ratio, and an adjustable time delay range of 3 seconds to 5 minutes.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Electrical installations shall conform to IEEE C2, NFPA 70, and to the requirements specified herein.

3.1.2 Lamps

3.1.2.1 Lamps of the type, wattage, and voltage rating indicated shall be delivered to the project in the original cartons and installed just prior to project completion. Lamps installed and used for working light during construction shall be replaced prior to turnover to the Government if more than 15 percent of their rated life has been used. Lamps shall be tested for proper operation prior to turn-over and shall be replaced if necessary with new lamps from the original manufacturer. Provide 10 percent spare lamps of each type from the original manufacturer.

3.1.3 Lighting Fixtures

3.1.3.1 Set lighting fixtures plumb, square, and level with ceiling and walls, in alignment with adjacent lighting fixtures, and secure in accordance with manufacturers' directions and approved drawings. Installation shall meet requirements of NFPA 70. Mounting heights specified or indicated shall be to the bottom of fixture for ceiling-mounted fixtures and to center of fixture for wall-mounted fixtures. Obtain approval of the exact mounting for lighting fixtures on the job before commencing installation and, where applicable, after coordinating with the type, style, and pattern of the ceiling being installed. Recessed and semi-recessed fixtures shall be independently supported.

3.1.3.2 Install luminaries at locations and heights as indicated, in accordance with luminaire and manufacturer's written instructions, applicable requirements of NEC, NECA's "Standard of Installation", NEMA Standards, and with recognized industry practices to ensure that luminaries fulfill requirements.

3.1.3.3 Coordinate with other electrical work as appropriate to properly interface installation of luminaries with other work.

3.1.3.4 Where recessed luminaries are specified, Contractor shall provide plaster frames or other framing devices to the ceiling contractor prior to the installation of the luminaries and shall be responsible to see that the proper luminaries are furnished for the specific ceiling used. Hold down clips shall be installed on all luminaries.

3.1.3.5 Where the drawings indicate ballasts/lamps to be separately switched, the lamps within luminaire shall be wired with the outermost lamps 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 luminaire units that are being controlled. The switch nearest the door shall control the outermost lamps.

3.1.3.6 Where recessed luminaries are installed in fire-rated ceilings, Contractor shall provide an enclosure approved by authorities having jurisdiction to surround each luminaire as required to maintain the fire integrity rating and listing of the ceiling assembly. Adequate clearance between luminaire and enclosure shall be provided in accordance with luminaire manufacturers recommendations. Verify clearance requirements with luminaire manufacturer prior to installation of luminaire.

3.1.4 Ballasts

3.1.4.1 Remote Ballasts

a. Remote type ballasts or transformers, where indicated, shall be mounted in a well ventilated, easily accessible location, within the maximum operating distance from the lamp, as designated by the manufacturer.

3.1.4.2 Electronic Dimming Ballasts

a. All electronic dimming ballasts controlled by the same controller shall be of the same manufacturer. All fluorescent lamps on electronic dimming ballast control shall be seasoned or burned in at full light output for 100 hours before dimming.

3.1.5 Exit Signs and Emergency Lighting Units

3.1.5.1 Wire exit signs and emergency lighting units ahead of the switch to the normal lighting circuit located in the same room or area.

3.1.6 Photocell Switch Aiming

3.1.6.1 Aim switch according to manufacturer's recommendations.

3.1.7 Occupancy Sensor

3.1.7.1 Provide quantity of sensor units indicated as a minimum. Provide additional units to give full coverage over controlled area. Full coverage shall provide hand and arm motion detection for office and administration type areas and walking motion for industrial areas, warehouses, storage rooms and hallways. Locate the sensor(s) as indicated and in accordance with the manufacturer's recommendations to maximize energy savings and to avoid nuisance activation and deactivation due to sudden temperature or airflow changes and usage. Set sensor "on" duration to 10 minutes.

3.1.8 Light Level Sensor

3.1.8.1 Locate light level sensor as indicated and in accordance with the manufacturer's recommendations. Adjust sensor for (50 footcandles) or for the indicated light level at the typical work plane for that area.

3.2 FIELD APPLIED PAINTING

3.2.1 Paint electrical equipment as required to match finish of adjacent surfaces or to meet the indicated or specified safety criteria. Painting shall be as specified in Section 09 90 00 Paints and Coatings.

3.3 FIELD QUALITY CONTROL

3.3.1 Upon completion of installation, verify that equipment is properly installed, connected, and adjusted. Conduct an operating test to show that equipment operates in accordance with requirements of this section.

3.3.2 Electronic Dimming Ballast

3.3.2.1 Test for full range of dimming capability. Observe for visually detectable flicker over full dimming range.

3.3.3 Occupancy Sensor

3.3.3.1 Test sensors for proper operation. Observe for light control over entire area being covered.

3.4 CLEANING

3.4.1 Clean all fixtures of dirt and debris upon completion of installation.

3.4.2 Protect installed fixtures from damage during construction period.

3.5 ADJUSTING AND FIELD QUALITY CONTROL

3.5.1 Upon installation completion of the lighting systems demonstrate capability and compliance with requirements. Where possible, correct malfunctioning units at site, then retest to demonstrate compliance; otherwise, remove and replace with new units, and proceed with retesting.

3.5.2 Focusing Aiming and Adjusting

3.5.2.1 The contractor shall focus and adjust all interior fixtures after all project amenities have been installed. The amenities shall include, but not be limited to; plantings, furniture, artwork, graphics and signage. Adjustments shall be made in accordance with the CO/COR's intent, under his/her observation.

3.5.2.2 The contractor shall furnish all equipment (tools, ladders, lifts, etc) as needed to make the final adjustments required. The cost for the equipment shall be included in the base bid.

3.5.2.3 The exact distribution, shielding, etc. of the lamp for the adjustable fixtures on the project will not be known until final aiming and adjustments have been made. The contractor shall provide 20% of the total project lamp quantity in varying types of distributions, shielding, etc. These lamps will be used to facilitate the final aiming and adjusting process. Left over lamps not used may be counted as part of the spare lamp inventory required to be provided to the owner.

3.5.3 Lighting Controls:

3.5.3.1 Occupancy Sensors

a. Upon completion of the occupancy sensor system set each of the devices to achieve the average performance described in the paragraph below.

b. These parameters represent the device sensitivity and time settings to achieve the average performance a sensor must meet to ensure that the lights will not go off when the space is occupied.

(1) The sensors shall be capable of detecting presence in at least 90 percent of the floor area to be controlled.

(2) Detection shall be maintained when a person of average size and weight moves only once every ten minutes, within a maximum distance of 12 inches either in a horizontal or vertical manner, at the approximate speed of 12 inches per second.

3.5.3.2 Photo Controls shall be set to turn on illumination systems at 5 foot-candles, off at 10 foot-candles.

3.5.3.3 Daylight Sensors shall be set for a three minute time delay and set to turn the illumination systems on and off at the following illumination levels for the types of spaces:

Space:

ON

OFF

Office

50 Fc

75 Fc

Corridor

10 Fc

20 Fc

3.5.3.4 Demonstrate to the engineer the performance of the lighting control systems. Provide such a demonstration in up to 10 percent of the affected spaces. The choice of the spaces to be tested shall be selected by the engineer. If more than two systems fail to achieve the required average performance then re-adjust the settings of all affected spaces in the contract. Re-demonstrate the system performance in 100 percent of the affected spaces to the engineer and continue the process until the systems meet the specified performance.

3.6 HARDWARE

3.6.1 Each occupancy sensor supplied shall be accompanied by its own hardware, brackets, special boxes or covers needed to complete a normal sensor installation on either a suspended or inaccessible ceiling.

3.7 WARRANTY OF OCCUPANCY SENSORS AND THEIR POWER CONTROL DEVICES

3.7.1 All devices to be supplied shall have a minimum three-year factory warranty.

3.7.2 Power-packs, if used, shall have a five-year warranty with a 100,000 cycle test operation guarantee under full load.

3.7.3 Each device shall have a label with the date of warranty expiration clearly stamped on it. Serial numbers only will not be acceptable.

3.7.4 Warrant devices to repair or replace as long as the devices have not been abused or damaged by the owner.

3.8 INSTALLATION OF COMPONENT CABINETS

3.8.1 Securely mount all component cabinets and enclosures plumb and level. Mount the top of component cabinets and enclosures equal to same height as the panelboards.

3.8.2 The drawings and schedules show the locations and switching arrangements of contactors and relays. Provide all control wiring between switches, relay pilot lights, sensors, power-packs, or low voltage cabinets and enclosures for proper operation.

3.8.3 Identify component cabinets and enclosures as specified in Section 16195, Electrical Identification.

3.8.4 Use No. 18 AWG minimum plenum rated type control wiring to each component location. Wire size shall be increased where necessary to compensate for length of run and number of contactors and relays in parallel.

3.8.5 Label all spare wires at component cabinet to indicate spare control location.

3.8.6 Provide a typed component schedule at each cabinet showing component number and load served. Label contactors and relays with corresponding numbers.

3.8.7 Color code control wiring: Conductors must be tagged or identified at terminals. Maintain the same color coding through the entire system.

END OF SECTION 26 51 00

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