SECTION 16500

LIGHTING SYSTEM

PART 1 - GENERAL

1.01 SUMMARY

A. Provide labor, materials, equipment ,accessories and services, and perform operations for installation of lighting system including all hardware necessary for installation whether so detailed under fixture description or not .

B. Work Included: The work shall include, but not be limited to, the following:

1. High-intensity discharge (HID) lighting fixtures.a. Metal-halide.b. High-pressure sodium.

2. Fluorescent lighting fixtures.3. Compact fluorescent lighting fixtures.4. Incandescent lighting fixtures.5. Decorative lighting fixtures.8. Other fixtures per LUMINAIRES SPECIFICATION SHEETS.9. The work shall include all necessary hardware and accessories to

provide complete workable system.

1.02 QUALITY ASSURANCE

A. Materials and equipment shall conform to the latest edition of reference specifications specified herein and to applicable codes and requirements of local authorities having jurisdiction.

1. Electrical Code Compliance: Comply with applicable local code requirements of the authority having jurisdiction as applicable to installation, and construction of lighting fixtures, poles and standards.

2. Comply with the following standards.

SS A 33 BS 238 SS A 34 BS 400 SS A 138 BS 432 SS A 139 BS 566 BS 55 BS 598 BS 61 BS 1833 BS 64 BS 2818 BS 81 IEC 598

BS 188

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1.03 SUBMITTALS

A. Submit the following in accordance with the requirements specified under "Submittals" in Section 16010.

1. Product Data: Submit manufacturer's product data and installation instructions on each type of lighting fixture and component. Confirmation that control gear is suitable for prolonged and continuous service in an ambient temperature of 50 deg. C. Specify power factor , type and quality of any plastic materials used in the fittings .

2. Shop Drawings: Submit shop drawings for each lighting fixture and accessory on separate sheets, clearly showing dimensions, mounting details, light control assemblies, conduit entrances, photometric information and test reports (prepared by an independent testing laboratory) for luminance, efficiency, and comfort levels. Submit details indicating compatibility with ceiling grid system.

a. Provide iso-footcandle (isolux) plot diagram of foot-candles on horizontal pavement surface which shows composite values of illuminance projected from the arrangement of light sources from exterior roadway, parking lot and area fixture locations and heights. Show on the graphic plots the locations, spacing and heights of luminaries.

b. Submit manufacturer's data on electrical poles, standards and hardware; include certified dimension drawings for fabricated poles, standards, and mast arms.

c. Samples: Submit one operating unit for each type of lighting fixture specified to the Project Manager upon request at no cost to the Owner. In the event that alternate make is offered provide a sample for comparison unless other - wise specified or dictated by the Project Manager .

1.04 DESIGN CRITERIA

A. Lighting layout and fixtures configuration based on selected fixtures type and Engineering calculation. The contractor shall verily the calculations in light of the approved fixtures type with detailed calculation report to verily illuminance intensities and quality of lighting as specified and to the satisfaction of the Project Manager.

B. The contractor shall be responsible for coordinating the work in this division with the components of ceiling systems specified and other works.

C. Lighting fittings shall be of first class quality , made by approved manufacturer and shall be suitable for trouble free operation on the system voltage at site.

D. Lighting fixtures shall be controlled by switches and dimmers as shown on layout drawings. Lighting fixtures in public areas , corridors and parking areas shall be controlled centrally from the building management system in addition to local switches unless otherwise indicated or shown on the drawing. Provision shall be provided in the lighting panels for remote control. All necessary equipment and devices required for the purpose shall be provided.

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1.05 DELIVERY, STORAGE AND HANDLING

A. Deliver lighting fixtures, accessories, poles and standards, in factory-fabricated containers or wrappings, which properly protect fixtures from damage.

B. Store lighting fixtures, accessories, poles and standards in original packaging. Store inside well-ventilated area protected from weather, moisture, soiling, extreme temperatures, humidity, laid flat and blocked off ground.

C. Handle lighting fixtures, accessories, poles and standards carefully to prevent damage, breaking, and scoring of finishes. Do not install damaged units or components; replace with new.

PART 2 - PRODUCTS

2.01 MANUFACTURERSA. Manufacturers: Subject to compliance with requirements, provide products

of one of the following:1. Lighting Fixtures

a. Saudi Lighting Companyb. Zumtobel Staffc. Erco.d. BEGA.e. Or equal

2. Lampsa. Osram.b. General Electric Co.c. Philips Lighting Co.d. Mazda - France .e. Or equal

2.02 MATERIALS AND EQUIPMENTA. Provide lighting fixtures, of sizes, types and ratings indicated; including, but

not limited to, housings, lamps, lamp holders, reflectors, energy efficient ballasts, starters and wiring. Ship fixtures factory-assembled, with those components required for installation. Design fixtures with concealed hinges and catches, with metal parts grounded as common unit, and so constructed as to dampen ballast-generated noise.

B. Pendant fixtures shall be furnished with ball or swivel type aligners unless otherwise noted per fixture type.

C. Where fluorescent fixtures are mounted in continuous rows, the wires through the channels shall be 2.5 mm2 minimum flexible heat resistance 450 / 750 volt grade, 90 degree rated minimum.

D. Enclosures: Fabricate fixture enclosures with a minimum of 1mm thick cold rolled sheet steel. Enclosures may be constructed of other metals, provided they are equivalent in mechanical strength and acceptable for the purpose.

E. Sheet Metal Work: Sheet metal work shall be free from tool marks and dents, and shall have accurate angles bent as sharp as compatible with the gauges of the required metal. Intersections and joints shall be formed true of adequate strength and structural rigidity to prevent any distortion after assembly.

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F. Housings shall be so constructed that electrical components are easily accessible and replaceable without removing fixtures from their mountings, or disassembly of adjacent construction.

G. Castings: Castings shall be exact replicas of the approved patterns and shall be free of sand pits, blemishes, scales and rust, and shall be smoothly finished. Tolerance shall be provided for any shrinkage of the metal castings in order that the finished castings will accurately fit in their designated locations.

H. Lamp sockets in lighting fixtures shall be suitable for the indicated lamps and shall be set so that lamps are positioned in optically correct relation to lighting fixture components. If adjustable socket positions are provided, socket should be preset in factory for lamp specified. If different socket positions are specified for same fixtures, sockets shall be preset for each type, and cartons marked accordingly. Lamp holders for fluorescent fixtures shall be white polycarbonate and to IEC 400 , and shall be of standard two - pin tubular lamps , locking angles shall be 30 deg. to both sides. Edison screw lamp holders shall be designed so that only lamp cap makes electrical contract when fully screwed home, and to have means to prevent unscrewing of the lamp due to vibration or similar cause.Lamp holders for tungsten lamps shall comply with IEC 61 and IEC 238. Lamp holders shall consist of heat resistant plastic or porcelain Edison screw type E14 , E27 and E40 .

I. Hardware for steel and aluminum fixtures, screws, bolts, nuts, and other fastening and latching hardware shall be cadmium or equivalent plated unless otherwise indicated. For stainless steel fixtures, hardware shall be stainless steel. For bronze fixtures, hardware shall be stainless steel or bronze.

J. Temperatures: Fixtures and ballasts shall operate within the temperature limits of their design and as specified by IEC in the applications and mounting conditions herein specified or shown on drawings.

K. Parabolic cones shall be guaranteed against discoloration for a minimum of ten years, and, in the event premature discoloration, shall be replaced by the manufacturer, including both materials and the cost of labor.

L. Aluminum reflectors shall be finished specular, semi- specular, or diffuse as required and shall meet or exceed IEC specifications. Minimum requirements of reflector finishes for interior and exterior service shall be as follows:

DESCRIPTION

COATING MG. PER

SPECULAR DIFFUSE SEMI-SPECULAR

OF SERVICE

MINIMUM WEIGHT OF

SQUARE INCH

MIN. REFLECTANCE PERCENT

Specular Diffuse

Semi-SpecularDiffuse

Normal interiorCommercial service. 5.0 83 75

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General interior industrial& Exterior work reflector

Protected by glass covering.

7.578.0 73.0

Exterior industrial & commercial Reflector not protected.

10.0 78.0 75.0

M. Plastic for lenses and diffusers shall be formed of colorless 100 percent virgin acrylic. The quality of the raw material must exceed IES, SPI, and IEC Specifications by at least 100 percent which, as a minimum standard, shall not exceed a yellow-ness factor of 3 after 2,000 hours of exposure in the Fadeometer or as tested by an independent testing laboratory. Acrylic plastic lenses and diffusers shall be properly cast, molded or extruded as specified, and shall remain free of any dimensional instability, discoloration,, or loss of light transmittance for at least 15 years.

N. Mechanical: Lenses, louvers, or other light diffusing elements shall be removable, but positively held so that hinging or other normal motion will not cause them to drop out.

O. Painted Surface: Synthetic enamel, with acrylic alkyd, epoxy, polyester, or polyurethane base, light stabilized, baked on at 350 degrees F minimum, catalytically or photo chemically polymerized after application.

P. White Finishes: Minimum of 85 percent reflectance.

Q. Ceiling opening frames shall either be manufactured of non-ferrous metal, or be suitably dust-proofed after fabrication.

R. Undercoat: Except for stainless steel give ferrous metal surfaces a five stage phosphate treatment or other acceptable base bonding treatment before final painting and after fabrication.

S. Unpainted Non-Reflecting Surfaces: Shall be satin finished and coated with a baked-on clear lacquer to preserve the surface. Where aluminum surfaces are treated with an anodic process, the clear lacquer coating may be omitted.

T. Unpainted Aluminum Surfaces: Finish interior aluminum trims and anodized coating of not less 0.0 12 mg. per square mm of a color and surface as selected by the Project Manager. Finish exterior aluminum and aluminum trims with an anodized coating of not less than 0.054 mg. per square mm, of a color and surface finish as selected by the Project Manager and as per the fixtures schedule.

U. Porcelain Enamel Surfaces: Apply porcelain finishes smoothly. Finish shall be not less than 7.5 mils thick of non-yellowing, white, vitreous porcelain enamel with a reflectance of not less than 85 percent.

V. Wiring: Provide electrical wiring within fixture suitable for connecting to branch circuit wiring as follows:1. Hard wire , 1.5 mm2 minimum cross section , heat resistant up to 105

deg. C. PVC - ht insulated wire .

W. Fluorescent Lamp Ballasts: High power factor, in complying with IEC 82. Two

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lamp type wherever feasible (3 lamp - type not acceptable), lowest sound level to IEC or lower, lowest case temperature rise rating. High stable power delivery to the lamp even at unstable power supply within 198 to 264 V oscillations.1. Ballasts shall be rated for reliable starting down to 0 degrees

Fahrenheit for fixtures installed outdoors or in unheated areas.2. Unless other wise specified or shown on the LUMINAIRES

SPECIFICATION SHEETS, ballast shall be of rabid start, Energy saving type , electronic RFI protected , of Philips manufacture or equal approved.

3. Dimming: Suitable for use with dimming system as specified or as shown on drawings.

X. High-Intensity Discharge Lamp Ballasts: HID lamp ballasts, of ratings, types and makes as recommended by lamp manufacturer, which properly mates and matches lamps to electrical supply by providing appropriate voltages and impedance for which lamps are designed. Design ballast to operate lamp within the lamp's power trapezoid requirements.

Y. Lamps

1. Provide fluorescent lamps of energy saving types as indicated. Tubular fluorescent lamps shall comply with IEC 81, BS, 853 / SSA B8 and SSA/39. The color shall be day light unless otherwise indicated.

The individual tube sizes shall have not less than the following lumens output after 100 hours life.

58 W : 5200 lumens36 : 3350 lumens18 W : 1350 lumens

2. Provide clear/phosphor coated metal halide lamps in wattage indicated. Lamps shall be self-extinguishing in the event of outer bulb breakage or puncture.

3. Provide high-pressure sodium lamps in wattage indicated.

4. Provide incandescent lamps in wattage and types as indicated, rated 220 volts 60 HZ unless otherwise indicated. Lamps 200 W and below shall have BC screw sockets and 300W and larger GES screw type base.

Z. Lighting Fixture Types

1. Fixtures must comply with minimum requirements as stated herein. Review architectural drawings and specifications to verify ceiling types, modules, suspension systems appropriate to installation.

2. Fixture Type: Refer to LUMINAIRES SPECIFICATION SHEETS Appendix I for each type of fixtures .

AA. Electrical Poles and Standards

1. Metal Lighting Standards: Provide pre-stressed concrete, raceway-type, lighting poles and standards, of sizes and types indicated, comprised of shafts and brackets, and construct with the

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following construction features:

a. Material: Extruded aluminum.

b. Configuration: Anchor base type with handhole and cover where indicated. Hand hole shall be at 800 mm from finished flour level .

c. Metal Lighting Standards accessories : Provide accessories for metal halide lighting standards, including anchor bolts, as recommended by lighting standards manufacturer, of sizes and materials needed to meet erection and loading application requirements, and to withstand project site conditions .

d. Painting unless otherwise indicated all aluminum poles and accessory are painted by epoxy coating electro coating, corrosion resistant, UV - stabilized anti - yellowing and subject to phosphochromate treatment and have a rough finish in polyurethane resin . Color to the Project Manager approval.

A.B Noise level: Control gears for indoor fluorescent lighting fixtures shall not exceed 30 dB in conditions defined in BS 2818 part 1.

A.C Power factor: Fluorescent fixtures and HID fixtures shall be of the high power factor type of 0.9 minims for fluorescent fixtures and 0.85 for HID fixtures.

A.D Harmonic Distortion: Shall not exceed minimum IEC / BS requirement.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Examine conditions at the job site where work of this Section is to be performed to insure proper arrangement and fit of the work. Start of work implies acceptance of job site conditions.

3.02 PREPARATION

A. Examine the Contract Drawings and specifications in order to insure the completeness of the work required under this Section.

B. Verify measurements and dimensions at the job site and cooperate in the coordination and scheduling of the work of this Section with the work of related trades, so as not to delay job progress.

C. Provide templates as required to related trade for location of items.

3.03 INSTALLATION

A. Install lighting fixtures and accessories at locations and heights as indicated, in accordance with fixture manufacturer's written instructions, requirements of the applicable electrical code, IEC standards, to ensure that lighting fixtures fulfill requirements.

B. Provide fixtures and/or fixture outlet boxes with hangers to properly support fixture weight. Submit design of hangers, method of fastening, other than indicated or specified herein, for review by Project Manager.

C. Install flush mounted fixtures properly to eliminate light leakage between fixture frame and finished surface, and between fixture frame and fix. Where fixtures are of the air handling type or installed in

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partially-transparent ceilings, construct fixtures to eliminate light leaks above the ceiling line.

D. Provide plaster frames for recessed fixtures installed in other than suspended grid type acoustical ceiling systems. Brace frames temporarily to prevent distortion during handling.

1. If ceiling system requires, each recessed and semi-recessed fixture shall be furnished with a mounting frame or ring compatible with the ceiling in which they are to be installed. The frames and rings shall be one piece or constructed with electrically-welded butt joints, and of sufficient size and strength to sustain the weight of the fixture.

E. For air supply type fixtures, retain side slot closures in place for adjustment by Balancing Contractor.

F. Fasten fixtures securely to indicated structural supports and ensure that pendant fixtures are plumb and level. Provide individually mounted pendant fixtures longer than 610mm with twin stem hangers. Provide stem hanger with ball aligners and provisions for minimum 25 mm vertical adjustment. Mount continuous rows of fixtures with an additional stem hanger greater than number of fixtures in the row.

G. Tighten connectors and terminals, including screws and bolts, in accordance with equipment manufacturer's published torque tightening values for equipment connectors. Where manufacturer's torquing requirements are not indicated, tighten connectors and terminals to comply with tightening torques specified in UL Stds 486A and B, and the applicable electrical code.

H. Support surface mounted fixtures greater than 610 mm in length at a point in addition to the outlet box fixture stud.

I. Provide yokes, brackets, and supplementary supporting members needed to mount lighting fixtures to carrier channels or other suitable ceiling members.

J. Reflectors, reflector cones and visible trim of lighting fixtures shall not be installed until completion of plastering, ceiling tile work, painting and general cleanup. They shall be carefully handled to avoid scratching or fingerprinting and shall be, at the time of acceptance by the Owner, clean.

K. Lenses shall be clean and free of dust.

L. Lighting fixture locations in mechanical equipment rooms and/or fan lofts are approximate. Coordinate installation of fixture with installation of mechanical equipment and mount fixtures at uniform heights to properly illuminate equipment including gauges and meters. Run exposed EMT conduit to these fixtures.

M. Aim and adjust lighting fixtures to the satisfaction of the Project Manager. Outdoor lighting fixtures shall be aimed and adjusted at night.

N. Grounding: Provide equipment grounding connections for lighting fixtures, poles and standards as required and as specified in Section 16452 "Grounding." Tighten connections to comply with tightening torques specified in UL Std 486A to ensure permanent and effective grounds.

3.04 DEMONSTRATION

A. Upon completion of installation of lighting fixtures, and accessories and after building circuitry has been energized, apply electrical energy to demonstrate

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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 re-testing.

3.05 ADJUSTING AND CLEANING

A. Clean lighting fixtures of dirt and construction debris upon completion of installation. Clean fingerprints and smudges from lenses.

B. Protect installed fixtures from damage during remainder of construction period.

END OF SECTION 16500

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