INTERIOR LIGHTING

INTERIOR LIGHTING
PART 1-GENERAL
1.01 RELATED DOCUMENTS:
A. Drawings and general provision of Contract: including General and
Supplementary Conditions and Division-1 Specification sections, apply to
work of this section.
B. Division-16 "Basic Electrical Materials and Methods" and other sections
apply to work specified in this section.
1.02 SUMMARY:
A. This section includes complete interior lighting fixtures, emergency lighting
units, control gear, mounting provisions, accessories and connection to circuit
wiring and to corresponding lighting control equipment.
B. Extent, location, and details of interior lighting fixture work are indicated on
drawings and in schedules.
C. Types of interior lighting fixtures in this section include the following:
1. High-intensity-discharge (HID).
Mercury-vapor.
Metal-halide.
High -pressure- sodium.
2. Fluorescent.
3. Incandescent.
4. Exit signs
5. Cold cathode
D. Design Layout: fixture layout has been determined from photometric data of
specified fixtures to achieve desired level and uniformity of illumination.
Reflected ceiling plans are to be checked to ensure exact positions of fixtures
with respect to structural members, ducts, pipes, other installations and
ceiling panels/tiles, where required. Certain fixtures are shown in provisional
positions, pending preparation of final equipment layout drawings. Such
fixtures are to be located in coordination with final equipment layout so that
illumination is as intended by the design.
E. Related Sections: the following Division 16 Sections contain requirements
that relate to this Section:
1. "Exterior Lighting Fixtures" for exterior security lighting, roadway and
parking lot lighting.
2. Lighting dimming and control for modular dimmers, programmable
lighting control systems, time switches, photoelectric relays, occupancy
sensors, power relays, and contactors.
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3. "Theatrical Lighting" for fixtures, lamps, dimmers, controls, connector,
strips, plugging boxes, and floor pockets for small buildings that serve
nonprofessional live performances.
1.03 DEFINITIONS:
A. Emergency Lighting Unit: a fixture with integral emergency battery power 1
supply and the means for controlling and charging the battery. They are also
known as an emergency light set or package.
B. Fixture: a complete lighting unit, exit sign, or. Fixtures include LED lamps
and parts required to distribute the light, position and protect lamps, and
connect lamps to the power supply. Internal battery powered exit signs and
emergency lighting units also include a battery and the means for controlling.
and recharging the battery .
C. Luminaire: fixture.
D. Rated Average Life: the time after which the average of a lamp type lumen
output has reached down to 80% of its initial 100 hr value as specified, under
normal conditions
1.04 SUBMITTALS:
A. .Product Data: submit manufacturer's product data and installation
instructions on each type interior building lighting fixture and component,
any modification made necessary, catalog number, serial number, operating
characteristics and photometric data.
1. Data on batteries and chargers of emergency lighting units.
2. Product certifications signed by manufacturers of lighting fixtures
certifying that their fixtures comply with specified requirements.
3. Full technical data of the cold cathode lamps and transformers along
with a test certificate from an independent laboratory verifying
characteristics of the system.
B. Shop Drawings: submit layout drawings of interior lighting fixtures on
reflected ceiling plans and their spatial relationship to each other and to other
trades or systems such as structural members, ducts, pipes etc. .In addition,
submit fixture shop drawings in booklet form with separate sheet for each
fixture, assembled in "luminaire type" alphabetical or numerical order, with
proposed fixture and accessories clearly indicated on each sheet. Submit
details indicating compatibility with ceiling grid system.
C. Shop drawings for cold cathode lighting are to be coordinated with the
supplier and submitted for approval including scale plans and details showing
method of installation of lamp holders, lamps, reflectors, transformer
housings, primary and secondary feeds as well as complete bill of material.
D. Wiring Diagrams: submit wiring diagrams for interior lighting fixtures
showing connections to electrical power panels, switches, dimmers,
controllers, and feeders. Differentiate between portions of wiring which are
manufacturer- installed and portions which are field-installed.
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E. Samples: submit one complete operating unit for each type of light fixture
specified, together with colour and texture samples where required.
F. Maintenance Data: submit maintenance data and parts list for each interior ,
lighting fixture and accessory; including "trouble-shooting" maintenance
guide. -Include that data, product data, and shop drawings in a maintenance
manual; in accordance with general requirements of Division I.
1.05 QUALITY ASSURANCE:
A. Manufacturer's Qualifications: firms regularly engaged in manufacture of
interior lighting fixtures of sizes, types and ratings required, whose products
have been in satisfactory use in similar service for not less than 5 years.
B. Fixture Design and Standards.: the Specification and the Drawings are a
guide to the selection of lighting characteristics and lighting fixtures, giving
general features of construction, materials, method of installation and
conditions of operation. Unless otherwise specified, fixtures are to be
manufacturer's standard series, designed and manufactured for the purpose
and application required, generally in accordance with the Schedule of
Lighting Fixtures and complying with IEC 598 and CISPR 15.
C. Special Listing and Labeling: provide fixtures for use in damp or wet
locations, underwater, and recessed in combustible construction specifically
listed and labeled for such use. Provide fixtures for use in hazardous
(classified) locations that are listed and labeled for the specific hazard.
D. Special Project Warranty: submit a warranty, mutually executed by
manufacturer and the Installer, agreeing to replace rechargeable system
batteries that fail in materials of workmanship within the special project
warranty period specified below. This warranty is in addition to, and not a
limitation of, other rights and remedies the Employer may have under the
Contract Documents.
1. Special Project Warranty Period: 10 years, beginning on the date of
Substantial Completion. A full warranty shall apply for the first year of
the period, and a prorate warranty for the last 9 years.
E. Installer's Qualifications: firms with at least 3 years of successful installation
experience on projects with interior lighting fixture work similar to that
required for this project.
F. Electrical Code Compliance: Comply with applicable local code
requirements of the authority having jurisdiction or other code applicable to
Installation, and construction of interior building lighting fixtures approved
for the project and as referenced in pertinent specification in this section.
1.06 DELIVERY. STORAGE AND HANDLING:
A. Deliver interior lighting fixtures in factory-fabricated containers or
wrappings, which properly protect fixtures from damage.
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B. Store interior lighting fixtures in original packaging. Store inside
well-ventilated area protected from weather, moisture, soiling, extreme
temperatures, humidity, laid flat and blocked off ground.
C. Handle interior lighting fixtures carefully to prevent damage, breaking, and.
scoring of finishes. Do not install damaged units or components; replace with
new.
1.07 SEQUENCING AND SCHEDULING:
A. Coordinate with other work including wires/cables, electrical boxes and
fittings, and raceways, to properly interface installation of interior lighting
fixtures with other work.
B. Sequence interior lighting installation with other work to minimize
possibility of damage and soiling during remainder of construction.
1.08 EXTRA MATERIALS
A. Furnish extra materials matching products installed, as described below,
packaged with protective covering for storage, and identified with labels
describing contents. Deliver extra materials to the Owner.
1. Complete Fixtures: a quantity equal to 10 percent of installed units of
types shown on drawings for interior lighting:
2. Lamps: 10 lamps for each 100 of each type and rating installed. Furnish at
least I of each type.
3. Plastic Diffusers and Lenses: I for each 100 of each type and rating
installed. Furnish at least I of each type.
4. Ballasts: I for each 100 of each type and rating installed. Furnish at least I
of each type.
5. Globes and Guards: I for each 20 of each type and rating installed.
Furnish at least I of each type.
PART 2-PRODUCTS
2.01 MANUFACTURERS:
A. Available Manufacturers: subject to compliance with requirements,
manufacturers are indicated on drawings against each luminaire selected in
the design. Equal products may be considered subject to final decision and
approval of the Engineer.
2.02 LIGHTING FIXTURE CONSTRUCTION -GENERAL
A. Generally: construction and wiring of fixtures are to comply with the
Regulations and Standards. Fixtures are to be fabricated, assembled and
wired entirely at factory. Manufacturer's name, factory inspection stamp and
official quality label are to be fixed to each fixture supplied.
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B. Lighting Fixtures (Luminaires): to be manufacturer's standard, as given in
Lighting Fixture Schedules shown on the Drawings, or equal.
C. Sheet Steel Housings: to be not less than 0.6 mm thick, and thicker when
required by the Specification or the Standards.
D. Sheet Steel Reflectors: to be not less than 0.8 mm thick.
E. Aluminum Reflectors: to be not less than 1.0 mm thick, unless otherwise,
approved.
F. Fabrication: metalwork is to be mitered, welded and ground smooth without
tool marks or burrs. Flat metal parts are to be stiffened by forming grooves
and edges during fabrication. Metal parts are to have finish free from
irregularities.
G. Rust-Proof Ferrous Base: ferrous metal parts are to be bonderized (treated
with corrosion resistant phosphate solution) and given an approved
rust-inhibiting prime coat before application of final finish.
H. Finish for Non-Reflecting Metal Surfaces: approved baked enamel paint.
Paint colour on fixture frames and trims is to be as specified or as selected by
the Engineer.
I. Finish for Light Reflecting Surfaces: white baked enamel paint having
reflection factor not less than 85%. Mirror reflectors, where specified, are to
be highly I polished, anodized aluminum with reflection factors not less than
97%.
J. Mechanical Resistance of Finish: after finish has been applied on steel
surfaces land cured, it. is to withstand a 6 mm radius bend without showing
signs of cracking, peeling or loosening from base metal.
K. Resistance Of Finish To Ultra-Violet: finish is to withstand 72 hours
exposure to an ultra-violet RS lamp placed 100 mm from surface without
discolouring, hardening or warping, and is to retain the same reflection factor
after exposure.
L. Heat Resistance. finishes, wires and components inside fixtures are to be
certified materials to resist the temperatures or other conditions encountered
in the fixtures.
M. Wiring Inside Fixtures: to be not less than 1.5 mm2, and insulated for 240 V
application. Insulation is to have acceptable characteristics to resist maximum
temperatures inside fixtures. Wiring is to be terminated on screw type fixed
insulating terminal blocks.
N. Hinges: fixtures with visible frames and hinged diffusers are to have
concealed hinges and catches, and stainless steel retaining clips. Other
alternative equally durable products may be submitted for approval.
O. Suspension and Aligners: to be provided for pendant fixtures for axial,
vertical and horizontal alignment. Vertical adjustment is to be minimum 25
mm. Hangars to be 12 mm (1/2 inch) steel tubing of same finish as fixture
with ceiling canopy or as approved or selected by Engineer.
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P. Recessed Fixtures: to be constructed to fit into suspended ceilings without
distorting fixture or ceiling. Plaster rings are to be provided for plaster or
concrete ceilings.
Q. Removal of Parts for maintenance is to be possible without removing fixture
housing.
R. Lenses, Diffusers, Covers, and Globes: 100 percent virgin acrylic plastic or
water white, annealed crystal glass except as indicated.
1. Plastic: highly resistant to yellowing and other changes due to aging,
exposure to heat and UV radiation.
2. Lens Thickness: 4 mm (0.125 inches), minimum.
S. Exit signs are to be provided with integral automatic high/low trickle charger
in a self-contained power pack. with sealed, maintenance-free, nickel
cadmium battery and with special project warranty.
T. All lighting fixtures located inside the archive shall be self fire extinguishing.
2.03 FLUORESCENT FIXTURES:
A. Lamp Holders Generally: to IEC 400, heavy duty, moulded white plastic with
non-corroding spring contacts.
B. Lamp Holders for Industrial Fittings: spring loaded turret type, heavy duty,
dust protected.
C. Ballasts Generally: to IEC 82. Only single or two-lamp ballasts are to be used
in anyone fixture. Two-lamp ballasts are to be lead-lag, series type.
Equipment is to be enclosed in sheet steel casing with corrosion resistant
finish.
D. Ballast thermosetting compound is not to soften, liquefy or support
combustion under any operating condition or upon ballast failure, and is to fill
ballast enclosure and dampen vibrations. Temperature rise, under normal
operating conditions, is not to exceed 55 deg. C above maximum ambient
temperature of 45 deg. C.
E. Ballast Type: high frequency electronic ballast unless otherwise stated in
fixture description or shown on the Drawings, power factor corrected to
above 0.9, having manufacturer's lowest case temperature. Sound rating is not
to exceed level given in the Standards.
F. Ballast Rating: ballast is to be manufactured and certified for the specific
lamp it controls and for operation from nominal power supply, with voltage
and frequency equal to nominal voltage and frequency of distribution
network.
G. Capacitors: to IEC 566, having snap-type connectors and fastening, bolt type
M8, for fixing to fixture.
H. Starters, if required, are to comply with IEC 155, and are to be selected in
conjunction with respective ballast and lamp.
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2.04 INCANDESCENT LAMP FIXTURES:
A. Incandescent Lamp Sockets: to IEC 61 and IEC 238, high grade porcelain;
E27 (ES) screw sockets for lamps not exceeding 200 Wand E40 (GES) screw
sockets for lamps 300 Wand over.
2.05 HIGH INTENSITY DISCHARGE LAMP FIXTURES
A. Type: fixtures are to be complete units including integral ballasts ( and
ignitors for HPS lamps where indicated) and lamps of required number and
type, and are to have lighting distribution characteristics equivalent to model
and manufacturer indicated in the fixture description.
B. Accessories: fixtures are to have mounting accessories, such as suspension
rods or chains, rails or brackets, and protective glass covers with gaskets for
protection against dust and humidity or type of corrosive atmosphere
predominant in the location.
C. Ballasts and Ignition Devices are to be power factor compensated to at least
0.9 lagging, and type specially selected for lamp type and size used. Lamp is
to be able to start with at least +/-10% variation from nominal line voltage and
continue in normal operation with dips attaining 20% for four seconds.
Compensation is to ensure there is no great increase in operating current
during starting and that gear losses do not exceed 10% of normal wattage. RF
suppression circuit is to be provided.
2.06 EMERGENCY LIGHTING UNITS
A. Conform to BS or equal international standards Provide self-contained units
with the following features and additional characteristics as indicated.
B. Battery: sealed, maintenance-.free, Nickel Cadmium type with 3 hr autonomy
(running time), 10 Year nominal life minimum, and special project warranty.
C. .Charger: minimum two-rate, fully-automatic, solid-state type, with sealed
transfer relay.
D. Operation: relay automatically turns lamp on when supply circuit voltage
drops to 80-percent of nominal or below. Lamp automatically disconnects
from battery when voltage approaches deep-discharge level. Relay
disconnects lamps and battery automatically and recharges and floats on
trickle charge when normal voltage is restored.
2.07 LAMPS
A. Rated voltage of incandescent and PL lamps is to be equal to nominal voltage
of distribution network. Lamps with different rated voltages are not
acceptable.
B. Incandescent Lamps for General Lighting Service (GLS): to have screw base
type ES for lamps 200 Wand below and type GES for lamps 300 Wand above.
Inside frosted (If) lamps are to be used unless otherwise specified.
Guaranteed rated life is to be above 800 hours and luminous output above the
following:
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950 lumens for 75 W lamps
1350 lumens for 100 W lamps
2200 lumens for 150 W lamps
3100 lumens for 300 W lamps.
C. Reflector Lamps (R): for indoor and outdoor use, with silver reflector and
prismatic lens. Light beam is to be narrow (spot), wide (flood) or extra-wide
(wide flood) as indicated in the fixture description.
D. Tungsten-Halogen Lamps: tubular, quartz, resistant to high
temperatures.Guaranteed rated life is to be above 2000 hours and luminous
output above the following:
9500 lumens for 500 W lamps
22000 lumens for 1000 W lamps
44000 lumens for 2000 W lamps.
E. Straight Tubular Fluorescent Lamps: to IEC 81 (S.SA 138 and SSA 139) and,
unless otherwise specified, are to be switch start type, bi-pin, rated as
indicated in the fixture description and with improved fluorescent internal
coating. Colour of light is to be high colour rendering, cool white equal to
Philips Nb 840 or , osram No.21-840 for offices, operator rooms, BMS,
CACF, security rooms, service corridors, electromechanical rooms, parking
floors, driver areas, equipment rooms, staff rooms, workshops and the like
and to be warm white equal to Philips Nb 830 or Osram No.31-830 for
podium's cove & public lights, hotel's, public areas, kitchens, laundries,
restaurants and the like to the engineer's approval. Lamps are to be low
energy type with tube diameter 26 mm. Guaranteed rated life is to be above
8000 hours and luminous output j above the following:
1300 lumens for 18 W lamps (600 mm long)
3200 lumens for 36 W lamps (1200 mm long)
5200 lumens for 58 W lamps (1500 mm long).
F. PL-C Compact Lamps: single ended, compact-miniature lamp, with
electronic ballast, consisting of four narrow fluorescent tubes welded
together, with integral instant starter and capacitor and with special two-pin
plug-in base and , socket, high colour rendering type, warm white
appearances equal to Osram Nb 32 (group 1A, 3000°K) or Philips Nb 930
unless otherwise is indicated on the drawings. Guaranteed rated life is to be
above 5000 hours and luminous output above the following:
600 lumens for l0 W lamps (95 mm long)
900 lumens for 13 W lamps (130 mm long)
1200 lumens for 18 W lamps (150 mm long)
1800 lumens for 26 W lamps (170 mm long).
Lamps are to be type PLC as manufactured by Osram, Philips or other equal
and approved.
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G. High Pressure Mercury Vapour Lamps: to IEC 188, and to include quartz
discharge tube in an internally coated ovoid outer tube. Coating is to be
yttrium vanadate phosphor with colour temperature of 3300 deg. K.
Guaranteed rated life is to be above 8000 hours and luminous output above
the following:
3800 lumens for 80 W lamps
6800 lumens for 125 W lamps
14000 lumens for 250 W lamps
H. High Pressure Sodium Lamps: type SONT (tubular), with guaranteed average
rated life ( down to 80% output) above 10000 hours, and having initial
luminous output above the following:
15000 lumens for 150 W lamps
25000 lumens for 250 W lamps
50000 lumens tor 400 W lamps
135000 lumens for 1000 W lamps.
I. Metal Halide Lamps: comprising quartz discharge tube enclosed in clear
tubular hard-glass outer bulb, operating on same principle as all gas discharge
tubes with iodide additives indium, thallium and sodium in the mercury
discharge, to increase intensity in three spectral bands; blue, green and
yellow-red with high colour rendering. Lamps are to be to IEC 188 with E40
base. Guaranteed average life is not to be less than 10000 hours and luminous
outputs, after l00 hours burning, are to be above the following:
32500 lumens for 400 W lamps
90000 lumens for 1000 W lamps
190000 lumens for 2000 W lamps
Permissible base temperature is to be not greater than 250 deg. C, and
maximum bulb temperature not greater than 550 deg. C. Lamp burning
position for 2000 W, 230 V lamp is to be possible up to 75 degrees.
2.08 COLD CATHODE LIGHTING SYSTEM
A. Cold Cathode Lamps:
1. Lamps are to be 25 mm diameter, 100 or 200 mA, lead glass with 1.25
mm (0.05") min wall thickness, with a minimum 21% lead content,
tri-phosphor coated, surface and cove mounted, straight, curved and
circular runs, dimmable and non-dimmable type at the various areas as
shown on the drawings, premium, warm white delux colour (3000°K),
unless otherwise shown on the drawings, and subject to the Architect and
Engineer's approval, suitable for operations on 230V, 50 HZ power
supply, with minimum flux .output of 300 or 600 lumer per linear foot of
lamp length for l00 mA or 200 mA ratings respectively.
2. Lamps are not to depreciate more than 20% of output lumens after 10,000
! hours of normal operation.
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B. Lamp holders. are to be surface. mounted, architectural grade, UL listed,
glazed white porcelain with bronze spring contacts.
C. Transformers are to be UL listed, 230V, 50 HZ, high efficiency, low noise,
midpoint earthed, mounted in galvanized steel properly painted & finished
enclosure, high power factor (0.9) unless dimming is required, suitable for
operation at 50°c ambient conditions low noise type, with suitable and
sufficient output voltage power and current ratings as required for the
connected lamp lengths. Transformer data are to be submitted for approval.
D. Secondary cables from transformers to lamps to be provided by the cold
cathode supplier.
PART 3- EXECUTION
3.01 EXAMINATION:
A. Examine areas and conditions under which lighting fixtures are to be
installed, and substrate for supporting lighting fixtures. Notify Engineer in
writing of conditions detrimental to proper completion of the work. Do not
proceed with work until unsatisfactory conditions have been corrected in an
acceptable manner to the Engineer.
3.02 INSTALLATION
A. Generally: install fixtures .level, aligned and parallel or square to building
lines and at uniform heights as shown on the Drawings or as approved by the
Engineer. Make final height adjustment after installation.
B. Fixture Support: provide fixture and/or fixture outlet boxes .with hangers,
brackets and flanged bolted fittings, as necessary, to support weight of
fixture. Submit details of hangers etc. and method of fastening for approval.
Rigidly secure fixtures mounted on outlet boxes to fixture studs. Install hooks
or extension pieces, when required, for proper installation. Provide one point
of support in addition to the outlet box fixture stud for individually mounted
fixtures longer than 600 mm.
C. Stem Hangers: provide two stem hangers for individually mounted pendant
fixtures. Stems are to have suspension aligners and are to be of suitable length
for suspending fixtures at required height.
D. Suspended Ceilings: if ceiling construction is unable to support weight of
fixtures without strain _pr deformation, suspend fixtures directly from
building structure.
E. Solid Ceilings: coordinate dimensions of recesses in ceilings with exact
fixture dimensions and structural elements.
F. Continuous Rows: arrange fixtures so that individual fixtures can be removed
without dismantling remaining fixtures. Provide minimum spacing between
fixtures.
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G. Cover Plates: install cover plates over fixture outlet box or opening in ceiling
or structure when left unused.
H. Flush Recessed Fixtures: install to completely eliminate light leakage within
fixture and between fixture and adjacent finished surface.
I. Ventilation: keep ventilation channels free after fixture is installed, if
required by the design of the fixture.
J. Earth metal frames of fixtures as described in Section 219 of the
Specification.
K. Tightness: ensure that enclosed fixtures are reasonably insect/dust tight when
installed, and completely weather- proof for installations subject to weather
conditions.
L. Lamps for Permanent Installation: place new lamps in fixtures immediately
prior to hand-over and when instructed by the Engineer. Lamps used for
temporary service are not to be used for final lamping of fixtures.
3.03 FIELD QUALITY CONTROL
A. Visual Inspection: check neatness of installation, uniformity of equipment
and nameplates etc.
B. Illumination. Measurements. to be taken at selected locations, to determine
level and uniformity.
C. Operation: check lighting installations for operation including control and
regulation equipment.
D. Electrical Data: measure power factor, current and voltage at start for
installations with discharge lamps.
E. Furnish stock or replacement lamps as indicated above, of each type and size
lamp used in each type fixture. Deliver replacement stock as directed to
Owner's storage space.
F. Provide instruments to make and record test results.
G. Tests: give advance notice of dates and times for field tests. Verify normal
operation of. each fixture after fixtures have been installed and circuits have
been energized with normal power source. Interrupt electrical energy to
demonstrate proper operation of emergency lighting installation. Include the
following in tests of emergency lighting equipment.
1. Duration of supply.
2. Low battery voltage shutdown.
3. Normal transfer to battery source and retransfer to normal.
4. Low supply voltage transfer.
H. Replace or repair malfunctioning fixtures and components, then retest.
Repeat procedure until all units operate properly.
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3.04 ADJUSTING AND CLEANING
A. Clean interior 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.
3.05 EARTHING
A. Provide equipment earthing connections for interior lighting fixtures as
indicated in Section "Earthing". Tighten connections to comply with
tightening torques specified in applicable standards to assure permanent and
effective grounds.
3.06 DEMONSTRATION
A. Upon completion of installation of interior lighting fixtures, and after
building circuitry has been. energized, apply electrical energy to 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 re-testing.
END OF SECTION 16510