LIGHTING

LIGHTING
PART I - GENERAL
1.1. CONTRACT DOCUMENTS
A. All work of this Section shall comply with the requirements of the Conditions
of the Contract (General, Supplementary, and Special), with all Sections of
Division I-General Requirements, section 16050 "Basic Electrical Materials
and Methods" with the Drawings, and with all other Contract Documents.
1.2. WORK INCLUDED
A. All materials, equipment, accessories, services and tests necessary to complete
and make ready for operation all lighting fixtures, ballasts, and lamps in
accordance with Drawings and Specifications.
B. All information contained in the Fixture Schedule, Fixture Cuts, Layouts and
Specifications shall be considered to form a complete and integrated
Specification for Lighting Fixtures.
C. The contractor is responsible for contacting the architect regarding the proper
interoperation of all information indicated on the lighting fixture schedules,
fixture cuts and details, the electrical plans and the reflected ceiling plans.
D. The Contractor is responsible for all fixture quantities, lengths and clearances
required.

E. The contractor shall inform the architect of project conditions which affect
installation or fixture location at the time submission is made.
F. Any exception to the following Specifications shall be qualified in writing by
the Contractor prior to the submission of bids. Only upon the Contractor's
receipt of the Architect's written approval of the requested exception shall the
Contractor's bid be accepted by the Employer.
G. At each location shown on the drawings, furnish and install a lighting fixture
of the type indicated.
H. Furnish and install all materials, accessories and other equipment necessary
for the complete and proper installation of all lighting fixtures included in this
Contract.
I. Fixtures shall be manufactured in strict accordance with the Contract
Drawings and Specifications.
J. Specifications and scale drawings are intended to convey the salient features,
function and character of the fixtures only, and do not undertake to specify
every item or detail necessary. Minor details necessary for the proper
execution and completion of the fixtures not indicated on the drawings nor
specified shall be provided as if they were specified here or indicated on the
drawings. Parts not specifically identified shall be made of materials most
appropriate for their intended use.
2
K. The owner shall not be held responsible for the omission or absence of any
detail, construction feature, etc. which may be required in the production or
installation of the lighting fixtures. The responsibility of obtaining all
information necessary for accurately fabricating the lighting fixtures to the
fulfillment of this specification rests with the Contractor.
1.3. RELATED WORK SPECIFIED ELSEWHERE
A. Related sections of electrical work: See sections of Division 16.
1.4. SUBMITTALS :
A. Product Data: Submit manufacturer's data for lighting fixtures, ballasts, and
lamps, include the following:
1. Details of construction and finishes.
2. Electrical ratings.
3. Mounting.
4. Photometric Data.
5. Submit Samples as Directed by the Engineer.
6. Drawings to Scale.
7. Lighting Track.
B. Samples: Submit sample for each type of lighting fixture specified in the
lighting fixtures schedules for review and approval.
C. Test: Submit type test certificates for the specified lighting fixtures.
D. Shop drawings of all custom or modified standard lighting equipment shall -be
submitted in reproducible form only. Shop Drawings shall be drawn at either
full size or half-full size wherever practical. Shop Drawings shall. illustrate a
minimum of three (3) critical views indicating all fabrication and, assembly
methods, materials, material gauges and finishes to be employed, electrical
supply, mechanical support, electrical accessories, etc. Shop Drawings of
custom and modified standard fixtures shall clearly indicate the fixture type,
the drawings referenced in the development of the shop drawings and the
names of the project, Architect and/or Engineer. Submittals of standard
fixtures shall clearly indicate the fixture type and (space permitting} the names
of the project, Architect and/or Engineer.
E. Submittals lacking sufficient detail to indicate compliance with contract
documents will be rejected without review and any penalty for delay will be
borne by the Contractor.
F. Review of shop drawings or samples does not waive contract requirements.
G. The contractor is requested to study carefully the specification and description
of each lighting fixture shown in the lighting fixture schedules and submit at
least three alternatives which in his openion are matching the required
specification, accordingly the Project Architect & Electrical consultant will
study the three submittals and approve one for the contractor.
3
H. No variation from the general arrangement, dimensions and details indicated
on the drawings shall be made on the shop drawings unless .required to suit
field conditions, and then only with the written approval of the Architect. All
variations must be clearly marked as such on drawings submitted for approval.
I. Dimensions and configurations of continuous fixtures shall be field verified by
the fixture manufacturer.
J. Shop drawings shall be submitted for approval before fabrication. Fabrication
details may vary slightly from those shown on drawings. provided those
changes do not adversely affect ease of installation, durability, performance or
appearance of fixture.
K. Reflector Curves shall be mathematically determined and empirically tested
by the fixture manufacturer to achieve distributions indicated. Dark areas, hot
spots, rings, etc. shall not be acceptable.
L. Operation and Maintenance Data, and the following information:
a. Materials and components clearly indicated in the parts list.
b. Re-lamping methods.
c. Special tools required and
d. Frequency of inspection, tightening or other service recommended for
preventative maintenance.
M. Upon request, supply complete photometric data for the fixture furnished by a
recognized independent testing laboratory using methods recommended by
the Illuminating Engineering Society of North America.
For direct and semi-direct fixtures used for general illumination:
1. Visual Comfort Probability data (fluorescent only for 100 footcandles),
rooms with reflectances of 80% ( ceiling) 50% (walls), and 20% (floor),
including a (20 ft. by 20 ft.) room with l0 ft ceiling and luminaries
lengthwise,
2. Coefficient of utilization,
3. Candlepower data, presented graphically and numerically, in 5¢X
increments (5¢X, 10¢X, 15¢X etc.). Data developed for up and down quadrants
normal, parallel, and at 221/2¢X,45¢X, 1671/2¢X to lamps if light, output is
asymmetric.
4. Zonal lumens stated numerically in 10¢X increments (5¢X, 15¢X, etc.) as
above,
5. For area and roadway luminaries,
6. Isocandela and/or isofootcandle charts,
7. Coefficients of utilization,
8. IES roadway / area lighting distribution classification.
4
1.5 SAMPLES.
A. Upon the request of the Architect or Engineer, after shop drawing review and
prior to release for manufacturing, Contractor shall submit for approval one
complete and functioning representative sample (and/or mock-up of any
fixture component) within 30 days of request for any lighting fixture required
under this contract. If the sample fixture is disapproved, the contractor shall
immediately submit the initially named manufacturer for approval.
B. Pursuant to the sample provisions above, Contractor shall provide, for
inspection of finish and workmanship, functioning samples of all fixture types
requested by the Architect. Refer to fixture specification for additional sample
requirements.
C. Samples shall be complete with specified lamp(s), ready for hanging,
energizing, and examining, and shall be shipped to the Architect and/or
Engineer, or as otherwise advised by the Architect.
D. All shipping costs shall be prepaid by the Contractor.
E. The Architect and/or Engineer shall be allowed ten business days from date
received for thorough examination of the samples.
1.6 REFERENCE STANDARDS:
A. Materials and installation shall be in accordance with the latest revision of the
Electrical Code adopted by the local municipality and all applicable National
codes and regulations.
B. All fixtures shall be manufactured in strict accordance with the appropriate
and current requirements of the Electrical Code adopted by the local
municipality .and other standards as deemed applicable. A code authority
approved listing shall be provided for each fixture type, and the appropriate
label or labels shall be affixed to each fixture in a position concealed from
normal view, either directly or as a reflected image.
1.7 QUALIFICATION OF BIDDERS
A. Manufacturers must have a minimum of five years experience in design and
manufacture of lighting fixtures of the type and quality shown. A
pre-qualification submission shall include a list of completed projects and
dates of completion as well as samples which represent the type and quality of
the fixture(s) specified. The Architect and /or Engineer shall be the sole judges
of whether the substitute manufacturer can comply with the specifications.
1.8 QUALITY ASSURANCE
A. Manufacturers: firms regularly engaged in the manufacture of lighting
fixtures, ballasts, and lamps, whose products have been in satisfactory use in
similar service for not less than 5 years.
B. Standards Compliance: Comply with requirements of applicable local codes,
DIN/VDE and IEC Standards pertaining to lighting fixtures, ballasts, and
lamps. Provide lighting fixtures, ballasts, and lamps products and components
which have been labeled by approved authorities.
5
C. In case of conflict among the referenced standards and codes, the more
stringent provision will govern.
D. Materials, equipment and appurtenances as well as workmanship provided
under this Section shall conform to the highest commercial standard.
E. The Contractor shall coordinate the lighting fixture installation with the
drawings and details of the Architectural, Structural, Electrical, Mechanical,
and other related trades to assure a perfect and efficient installation.
1.9 WARRANTY
A. The Manufacturer shall warrant the fixture, its finishes, and all of its
component parts, except ballasts, acrylic plastic lenses and Alzak parabolic
cones to be free from defects for a period of one year from date of acceptance
if operated. within rated voltage range. Ballasts shall be warranted for two
years. Alzak parabolic cones shall be guaranteed against -discoloration for a
minimum of ten years. Acrylic plastic lenses and diffusers shall remain free of
any dimensional instability, discoloration, embrittlcment or loss of light
transmittance for 15 years. Replacement of faulty materials and the cost of
labor required to make the replacement shall be the responsibility of the
Contractor.
PART 2 -PRODUCTS
2.01 FIXTURE CONSTRUCTION (GENERAL)
A. All lighting fixtures shall be listed and labeled as approved by a code
authontyapproved laboratory, for Installation in fireproof or non-fireproof
construction, damp or wet locations, as required by project conditions.
B. All materials, accessories, and other related fixture parts shall be new and free
from defects which in any manner may impair their character appearance,
strength, durability or function.
C. All 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. All Intersections and joints shall be formed true of adequate strength
and structural rigidity to prevent distortion after assembly.
D. All castings shall be exact replicates 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 shrinkage of the metal castings to assure
accurate fit.
E. Luminaires shall not be suspended by their flexible cord. A separate means of
suspension shall be provided.
F. All flexible cords shall be anchored at both ends such that the cord is free from
strain.
G. Any plastics used in the luminaire shall be light and UV stable and shall be
suitable for their application.
H. All sheet steel components shall be suitably pre-treated and electrostatically
spray-painted using acrylic polyester or epoxy powders.
I. Non-compatible materials shall not be used in contact with each other.
6
J. Louvers shall be restrained to prevent them from failing out of the body of the
luminaries under normal conditions and when re-lamping. Metal louvers shall
be earthed to the body of the luminaire or the earth terminal.
K. Diffusers shall be restrained to prevent them from failing out of the body of the
luminaries under normal conditions and when re-lamping.
L. Fixture enclosures shall be fabbricated using a minimum of 0.897mm cold
rolled sheet steel. Enclosures may be constructed of other metals, provided
they are equivalent in mechanical strength and acceptable for the purpose.
Fabricate lighting fixtures to be finished in vitreous porcelain enamel from a
minimum of 0.897mm gauge enameling steel.
M. All screws, bolts, nuts and other fastening and latching hardware for steel and
aluminum fixtures shall be cadmium or equivalent plated. All screws, bolts,
nuts and other fastening and latching hardware for stainless steel fixtures shall
be stainless steel or bronze.
N. All lamp sockets in lighting fixtures shall be suitable for the specified lamp(s)
and shall be set so that the lamp(s) are positioned in optically correct relation
to all lighting fixture components. If adjustable socket positions are provided,
socket shall be preset in factory for lamp(s) shall be preset for each type, and
cartons marked accordingly. Where I modified / standard fixtures are
specified, fixtures shall be modified as required with lamp sockets positioned
to provide desired photometric performance
O. .All lighting fixtures which have a beam angle adjustment shall have reliable
angle locking devices. All lighting fixtures with lamps that produce oval beam
patterns shall contain lamp orientation locking devices to insure that beam
orientation is not disturbed during relamping or cleaning: Each light fixture
which has a spread lens shall contain lens orientation locking devices to insure
that lens orientation is not disturbed during lamp replacement or cleaning.
P. Housings shall be constructed so that electrical components are easily
accessible and replaceable without removing fixtures from their mountings or
disassembly of adjacent construction. All fixtures shall be factory pre-wired.
Q. All fixtures and ballasts must operate within the temperature limits of their
design for the applications and mounting conditions specified. Recessed
fixtures installed in insulated ceilings shall be provided with thermal
protection.
R. If required by the ceiling system(s), each recessed and semi-recessed fixture
shall be furnished with a mounting frame or ring compatible with the ceiling in
which it is to be installed. The frame and ring shall be one piece or constructed
with electrically welded butt joints and shall be of sufficient size and strength
to sustain the weight of the fixture.
S. Light leaks between ceiling trim of recessed lighting fixtures and the ceiling
are not acceptable. For fixtures used in partially transparent ceilings, light
-leaks above the ceiling line are not acceptable.
T. Fixtures for use outdoors shall be suitably gasketed to prevent the entrance of
moisture. Provide approved wire mesh insect screens for ventilation openings.
Install and seal all lighting fixtures and associated equipment in damp or wet
locations as per fixture/equipment manufacturers recommendations. All
7
equipment used outdoors shall be constructed of materials suitable for the
environment in which it is to be installed: e.g. in a salt air environment, use
materials such as copper-free aluminum, stainless steel, etc: in a cold
environment provide 00 rated fluorescent ballasts, etc.
U. Install pendant lighting fixtures plumb and true, at the height from the floor
spkified on the drawings. In case where conditions make this impractical, refer
to the Architect for a decision. Use ball aligners and canopies on pendant
fixtures unless noted otherwise. Rigidly align continuous rows of lighting
fixtures for true in-line appearance. Support all lighting fixtures independently
of duct work or piping . whenever a fixture or its hanger canopy is applied to a
surface mounted outlet box, provide a finishing ring to conceal the outlet box.
V. Lighting fixture locations in mechanical and electrical equipment rooms are
approximate. Coordinate mounting height and location of lighting fixtures
with other trades to clear mechanical, electrical and plumbing equipment and
to adequately illuminate meters, gauges and equipment that requires periodic
servicing or inspection.
W. In all up light coves, fluorescent, cold cathode, incandescent, low voltage, etc.,
fixtures shall be installed so as to provide a continuous and visually unbroken
band of light. Socket shadows, dark spots or visible light gaps are not
acceptable.
X. Each lighting fixture shall be packaged with clear, complete installation
instructions. Install lighting fixtures in strict conformance with manufacturer's
recommendations and instructions.
Y. Splices in internal wiring shall be made with approved insulated wire nut'1
type mechanical connectors, suitable for the temperature and voltage
conditions to which they are subjected. All wiring shall be suitable for
temperature, current, and voltage conditions to which it is subjected, including
internal wiring between individual lamp sockets lamp auxiliaries, etc.
Z. Effectively protect all lighting equipment against damage from the time of
fabrication to final acceptance of the work. Install reflector cones, baffles,
aperture plates, light controlling element for air handling fixtures, and
decorative elements after completion of ceiling tiles, painting and general
cleanup. Replace blemished, damaged or unsatisfactory fixtures as directed.
2.02 FINISHES
A. Painted surfaces shall be synthetic enamel. with acrylic. alkyd, epoxy,
polyester, or polyurethane .base. light stabilized, baked on at 350¢X Fahrenheit
minimum, catalytically or photochemically polymerized after , application.
B. White finishes shall be minimum 85% reflective unless otherwise specified.
C. Ceiling opening frames shall either be manufactured of nonferrous metal, or
be suitably rust-proofed after fabrication.
D. Unless otherwise noted. the finish and color of all exposed metal parts shall be
as selected by the Architect from the fixture manufacturers' standard finish
range.
8
E. After fabrication and before final painting. give ferrous metal surfaces a five
stage phogphate undcrcoat treatment or other acceptable base bonding
treatment. except for stainless steel surfaces.
F. 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.
G. Finish interior unpainted aluminum trims with an anodized coating, color and
surface finish as selected by the Architect.
H. Apply porcelain finishes smoothly. Porcelain finish shall be not less than 7.5
mil thick of non-yellowing, white, vitreous porcelain enamel with a.
reflectance of not less than 85%.
2.03 INCANDESCENT, HIGH INTENSITY DISCHARGE (H.I.D.) AND LOW
VOLTAGE INCANDESCENT LIGHTING FIXTURES
A. Aluminum reflectors shall be Alzak, anodic process or approved equal, (finish
as selected) unless otherwise noted and not less than 0.057 inch thick unless
specified otherwise.
B. Lighting fixtures utilizing tungsten halogen sources shall be designed and
constructed so that lamp seal temperatures do not exceed 350¢X C at an ambient
of 25¢X C and shall maintain an operating bulb wall temperature of
approximately 600¢X C and not less than 250¢X C.
C. Socket lead wires for fixtures utilizing tungsten halogen sources shall be rated
for not less than 200¢X C, but shall be rated for 250¢X C if temperature warrants.
D. Socket lead wires for H.l.D. fixtures shall be rated for no less than 200¢X C
operation, but shall be rated for higher temperature if duty warrants.
E. All fixtures designed to be recessed in suspended ceilings shall be supplied
with pre-wired junction boxes.
F. Remote step-down transformers and associated wiring shall be sized to
minimize voltage drop at fixture locations. Provide rated enclosures and
acoustically. isolated mounts to assure quiet operation.. Transformers found
by the Architect to be unduly noisy shall be replaced without charge prior to
acceptance of the job.
G. Temperature on the exterior of fixture housing and auxiliaries shall not exceed
205¢X Cat any point.
H. Luminaires for incandescent light sources shall be designed to accommodate
the specified lamp.
I. Where the specified lamp is either unsuitable for the luminaire or the
construction of the luminaire is liable to affect the life of the specified lamp
alternatives shall be offered to the Owner's Authorized Representative.
J. Care shall be taken in handling quartz envelope lamps, where the lamps should
not be handled directly. Where this does occur, the lamp should be cleaned
using a soft cloth moistened with white spirit.
K. Luminaires using low voltage tungsten halogen lamps shall each be supplied
complete with its own transformer unless otherwise stated.
9
L. Wire wound transformers shall be rated at 230/11.8V and comply with IEC
742, Class II and be insulated to Class H of IEC, DIN/VDE standards.
M. Transformers shall be protected against overload and short-circuiting.
N. Where multi point transformers are specified voltage regulation shall be a
maximum of 6% and each luminaire shall be wired separately.
O. Final connections to luminaries shall be carried out suing silicon rubber
sheathed cables.
P. Where low voltage tungsten halogen lamps are to be dimmed, the dimmer
shall be of the hard fired type suitable for inductive loads.
Q. Transformers & lamps used in dimmed circuits shall be down rated as
recommended by the manufacturer (Dimmable Type).
R. Electronic transformers shall be designed to IEC 742 and 34C/Comex(pk) 8
and 14 with RFI suppression to a minimum standard of IEC, DIN/VDE : 0875
and shall comply with the EMC directive.
S. Electronic transformers shall have short-circuit and overlaod protection.
T. Electronic transformers shall contain a soft start circuit and be self-regulating.
U. Electronic transformers used in dimmed circuits shall be suitable for dimming.
The dimmer shall be compatible with the transformer and be recommended by
the transformer manufacturer.
V. When installed in ceiling voids, the transformer shall be properly supported to
avoid the transmission of vibrations.
W. When installed in ceiling voids, the transformer shall be capable of subsequent
removal, wither through the fitting aperture or though an access panel.
X. Transformers shall be located away from high temperature parts of the lamp
and luminaire or any other heat radiating surface in the void.
Y. Lamp-holders in dichroic or capsule luminaries shall be easily accessible for
re-lamping.
Z. Lamp-holders for tungsten halogen lamps shall be of the best quality with
ceramic bases suitable for the currents and temperatures achieved during
constant use.
AA. Springs and other metal parts in the lamp-holder assembly shall not deteriorate
during used such that poor contact arcing, welding or slackness can occur.
BB. Dichroic and Sealed Low Voltage Tungsten Halogen Lamps:
Where sealed low voltage are used the luminaire shall be designed to cope
with the increase temperature.
Where dichroic lamps are used the internal wiring shall cope with the
increased temperature.
All dichroic lamps shall be of the captive type and supplied with a GU 5.3
base.
CC. Capsule Low Voltage Lamps.
Capsule lamps shall not be installed using bare hands.
10
Where capsule lamps are used a protective glass shall be incorporated into the
luminaire design.
DD. Mains Voltage Tungsten Halogen Lamps.
Luminaires designed to accommodate double-ended mains voltage tungsten
halogen lamps shall be designed to ensure that a minimum bulb wall
temperature of 250 OC and a maximum pinch point temperature of 350 OC are
achieved.
2.04 FLUORESCENT LIGHTING FIXTURES
A. Housing end plates, socket bridges, reflectors, wiring channels and ballast
covers shall be die formed of not less than #20 gauge (0.0359 inch or metric;
equivalent) cold rolled steel unless specified otherwise.
B. Mount lamps on rapid-start circuits within one inch of grounded metal,
minimum one inch wide, as long as lamp.
C. Construct fixtures so that ballast may be serviced or replaced without removal
of fixture housing.
2.05 FLUORESCENT BALLASTS
A. Use the most efficient combination of four, three, two and / or single lamp
ballasts in fluorescent fixtures. Fluorescent lighting fixture ballasts (except
single reactor type) shall be equipped with an internal, automatic resetting
thermal protector adjacent to the coils, and a one time non-resetting thermal
-device to protect the capacitor.
B. Unless otherwise noted, linear fluorescent ballasts shall be electronic, high
-power factor, high efficiency, low loss type. Compact fluorescent ballasts
shall be high power factor. Ballasts shall be listed by Underwriters'
Laboratories Inc., as Class "P" or metric equivalent. All ballasts shall be the
manufacturer's best (quietest) sound rating, with the rating clearly indicated on
the ballast case. Ballasts found by the Architect to be unduly noisy shall be
replaced without .charge prior to acceptance of the job.
C. Relative light output (percentage of light emitted with reference tube and
ballast) shall not be less than 90%.
D. Ballasts shall be designed and constructed to maintain a case temperature not
greater than 90¢X C when operated at a room ambient of 50¢X C when tested in
accordance with applicable standards.
E. Ballasts shall be designed for single frequency operation, nominal 50 Hz, and
shall be operated at the voltage indicated on label, and/or the voltage specified
by the Electrical Engineer.
F. Secure ballasts firmly in lighting fixtures to prevent vibrations.
G. Remote ballasts shall be furnished in rated enclosures ready for mounting and
connection. Enclosures with more than one ballast shall be furnished
pre-wired. Provide acoustically isolated mounts for remote ballasts and ballast
enclosures to assure quiet operation.
11
H. Continuous runs of fluorescent lamps indicated as one dimmed control zone
and comprised of more than one length or milliamperage rating, shall be
circuited and dimmed separately.
I. Unless otherwise stated fluorescent tubes of the size, wattage and colour
detailed in the schedules shall be supplied with each luminary.
J. All cables shall be secured within the luminary body to prevent loose lengths
from touching hot surfaces or becoming trapped beneath cover plates. Cable
clips or cleats shall be captive and if secured by adhesive, shall not loosen with
age.
K. All fluorescent luminaries shall be supplied with high frequency electronic
ballast.
The high frequency electronic ballast shall be used for single or two lamps.
The high frequency electronic ballast must have the following features:
ƒx Components of the ballast shall include:
- Low pass filter to limit harmonic distortion, radio frequency
interference and protect against peaks of main voltage.
- Rectifier.
- Buffer capacitor.
- High frequency oscillator.
- Lamp stabilization.
ƒx The operating high frequency should be (24-31) KHz.
ƒx The ballast shall be capable of operating at main voltage of :220V +10%.
ƒx The ballast start should be flicker ¡V free warm start.
ƒx Maximum temperature value at test point shall not exceed 75¢X C.
ƒx Power factor shall be 95% or more.
ƒx The ballast should be capable of high switching frequency.
ƒx The harmonic distortion shall be within the acceptable limits of:
- IEC 555-2 Specification.
"Note: Ballast will be tested and rejected if not complying with the above mentioned
specifications"
ƒx Starting time shall be less or equal 1.5 seconds.
ƒx Electromagnetic interference shall be within the limits of CISPR 15
regulations.
ƒx Average service life shall be better than 40000 hours at test temperature of
75¢X C
ƒx The failure rate at 4000 hours operating hours shall not exceed 1.5% at a
test temperature of 75¢X C.
12
L. Wiring within the fixture and for connection to the branch circuit wiring shall
not be less than 1.5mm2 for 220 volts application. Insulation shall be silicone
rubber for the lower temperatures (fluorescent fixtures) and impregnated
asbestos for the higher temperatures.
M. Aluminum reflectors and louvers shall be made from high purity aluminum
(99.9% minimum) with low or very low iron. The anodic film shall have a
minimum thickness of 2.5 microns.
N. Louvers and reflectors shall be packed separately from the luminary body and
protected against damage.
Aluminum louvers shall be installed until after the building has been
thoroughly cleaned prior to practical completion.
O. Louvers shall not be installed using bare hands. Any louvers found with finger,
palm marks or builders dirt and dust shall be removed and cleaned using a high
pressure hose with Kodak 600 dirt emulsifier or a similar method approved by
the louver manufacturer. Louvers shall not be wiped clean.
P. Diffusers shall be made from UV stabilized acrylic or light stabilized
polycarbonate, injection moulded or equal and approved.
Q. The diffusers shall not support combustion and shall be self-extinguishing.
R. Lamps of different types or ratings shall be controlled from separate dimmers.
S. Lamps or dimming circuits shall be of the same color temperatures and color
appearance. To maintain a constant appearance all lamps on dimming circuits
shall be changed at the same time.
2.06 H.I.D. (HIGH INTENSITY DISCHARGE) BALLASTS:
A. Ballasts for H.I.D. lamps shall be the manufacturer's best (quietest) sound
rating, with the rating clearly indicated on the ballast case. Ballasts found by
the Architect to be unduly noisy shall be replaced without charge prior to
acceptance of the job.
B. Electronic metal halide ballasts shall provide "square wave" output at .less
than 200 Hz with no more than ¡Ó: 0.5% variation in output power at ¡Ó: 10%
variation in input line voltage of 230V/ 50 Hz. Electronic metal halide ballasts
shall have a minimum power factor of 95% and THD of less than 10%.
Acceptable remote mounting distance shall be not less than 3.66 meters.
Electronic metal halide ballasts shall have a "turnoff' safety function in event
of failed or malfunctioning lamps or other abnormal conditions.
C. Unless electronic metal halide ballasts are specified, ballasts for H.I.D. lamps
shall be constant wattage, high power factor, auto transformer type, and shall
be designed for single frequency operation, nominal 50 Hz, and shall be
operated at 230V or as specified by the Electrical Engineer.
D. Core and coil ballasts shall be encased and potted for maximum noise
reduction and shall be secured firmly to acoustically isolated mounts.
E. Remote ballasts for H.I.D. lamps shall be furnished in rated enclosures ready
for mounting and connection. Enclosures with more than one ballast shall be
furnished pre-wired. Provide acoustically isolated mounts for remote ballasts
and ballast enclosures to assure quiet operation
13
2.07 REFLECTORS, TRIMS AND LENSES:
A. Reflectors, cones or baffles shall be absolutely free of spinning lines, ripples or
any marks or Indentations caused by riveting or other assembly techniques. No
hardware shall be visible after installation.
B. Lenses, reflectors, reflector cones and visible trim of all lighting. Fixtures shall
not be installed until completion of plastering, ceiling tile work, painting and
general cleanup. Trim specified to be painted to match surrounding conditions
shall be removed from the fixture housing prior to painting and be allowed
adequate (minimum 24 hours) drying time before insertion into housing.
Trims shall be carefully handled to avoid scratching or fingerprinting and shall
be completely clean at the time of acceptance by the Owner.
C. All anodic finish reflectors shall be guaranteed against discoloration for a
minimum of ten years, and, in the event of premature discoloration, shall be
replaced by the manufacturer, including both materials and the cost of labor.
D. Aluminum reflectors shall be finished specular, semi-specular, or diffuse as
specified. Minimum requirements of reflector finishes for interior and
.exterior service shall be as follows:
DESCRIPTION
OF SERVICE
CONDITIONS
MINIMUM
COATING
WEIGHT,
MILLIGRAMS
PER SQUARE
INCH
SPECULAR
FINISH,
MINIMUM
REFLECTANCE
DIFFUSE
FINISH,
MINIMUM
REFLECTANCE
Normal interior
commercial
service
5.0 83% 75%
General interior
industrial and
exterior service
with reflector
protected with
glass covering.
7.5 82% 73%
Exterior
industrial and
commercial
services with
reflector not
protected.
10.0 78% 75%
Exterior marine
services
13.0 78% 65%
14
E. Optical lenses shall be free from spherical and chromatic aberrations and other
imperfections which may hinder the functional performance of the lenses..
F. Plastic for lenses and diffusers shall be formed of colorless 100% virgin
acrylic. The quality of the raw material must exceed IES, SPI, and NEMA
Specifications by at least 100% which, as a minimum standard, shall not
exceed a yellowness factor of 3 after 2,000 hours of exposure in the fade-meter
or as tested by an independent test laboratory. Acrylic plastic lenses and
diffusers shall be properly cast, molded or extruded as specified.
G. Glass used for lenses, refractors, and diffusers in incandescent lighting fixtures
shall be tempered for high impact' and heat resistance; the glass shall be crystal
clear in quality with a transmittance of not less than 88%. For exterior fixtures
use borosilicate glass, tempered glass or approved equal. For fixtures directly
exposed to the elements, aimed above the horizontal and with a radiant energy
of 4.16 watts per square inch or greater, use Vycor glass (or approved equal)
H. Lenses, louvers, or other light diffusing elements shall be removable, but
positively held so that hinging or other normal motion associated with
cleaning or relamping shall not cause them to drop out. All removable trims
shall be provided with safety chains or cords.
2.08 LAMP HOLDERS
A. Incandescent and high density discharge lamp holders shall be fabricated of
porcelain with a nickel plated brass screw shell. Pre-lubricate lamp holders
with silicone compound. Provide medium base sockets for lamps to and
including 250 watts (rated for 1500W, 600V service) unless specified
otherwise. H.I.D. lampholders shall be heavy duty pulse-rated type.
B. Linear and compact fluorescent lamp holders shall be fabricated of heavy
white thermoset urea plastic with a definite locking-in feature and silver plated
contacts. Exposed outdoor lamp holders shall be compression neoprene
gasketed type. Sockets with open-circuit voltage over 300 volts shall be safety
type, designed to open supply circuit upon lamp removal.
2.09 LAMPS
A. Unless otherwise indicated, all lamps specified shall be as manufactured by
General Electric, Osram/Sylvania, Philips or Venture. Substitutions by other
manufacturers shall be equal in all respects of the following: initial and
maintained lumen output, lamp life, color temperature, correlated color
temperature (inO Kelvin) and compatibility with specified equipment. Submit
substitutions for approval in the form of manufacturer's printed data and
corresponding lamp samples for review.
B. All lamps of a given type shall be supplied by the same manufacturer.
C. Prior to final inspection, incandescent and tungsten halogen lamps shall not. be
operated other than for initial testing.
D. Lamps shall be of wattage and type as shown on the drawings.
15
E. Lamps for final permanent installation shall not be placed in the fixture until
so directed by the Engineer and this shall be accomplished directly before the
building areas are ready for occupancy by the Employer.
F. Lamps shall be furnished and installed in all lighting fixtures supplied.
G. Lamps used for temporary lighting service shall not be used in the final
lambing of fixture units.
2.09.1 Fluorescent Lamps:
Lamps shall have bi-pin bases and a minimum approximate rated life of 20,000
hours
All lamps shall be energy saving type ( Low energy high output lamps ).
Unless otherwise indicated on the Drawings all fluorescent lamps shall have the
colour rendering index (84) and equal to "T5" 36 W (26mm diameter) "T5" 55W
and "T5" 18W (26mm diameter).
2.09.2 Incandescent Lamps:
Incandescent lamps 200 watts and below shall be inside frosted type.
Lamps shall be for operation at 220 volts with a minimum approximate rated life
of 1000 hours.
Lamps shall have an E.S. screw base for lamps up to 200 watts and a G.E.C screw
base for lamps 300 watts and larger.
2.09.3 Compact Fluorescent Lamps
A. Luminaires containing compact fluorescent lamps shall be designed to ensure
the correct working conditions for the lamp.
B. All compact fluorescent luminaries shall be supplied with high frequency
electronic ballast.
C. All compact fluorescent lamps shall be suitable for operation with high
frequency ballasts.
D. All compact fluorescent lamps shall be energy saving type.
2.10 EMERGENCY LIGHTING SYSTEM
A. Exit sings shall be manufactured to meet the appropriate requirements of IEC,
DIN/VDE standards.
B. All "exit" signs and fire safety signs shall be of the pictogram type utilizing the
pictograms as given in IEC, DIN/VDE standards. Where wording is
incorporated on the sings it shall be in accordance to IEC, DIN/VDE
standards.
C. Sizes of lettering shall comply with IEC, DIN/VDE standards.
D. Self-energized signs (in respect of luminosity) shall comply with
IEC,DIN/VDE standards.
16
E. All "exit" signs lamps should be LED lamps.
F. The housing shall be designed to maintain an internal ambient temperature
below that of the lowest temperature rating of any piece of equipment installed
therein.
G. Emergency lighting shall be of centralized monitoring system.
H. Batteries for emergency compact fluorescent luminaries shall be energized
from the life conductor and before lighting switches.
2.11 CENTRALIZED EMERGENCY SYSTEM (CES)
A. The centralized emergency system shall be a computerized system for the
monitoring of maintained emergency exit and non-maintained emergency
compact fluorescent luminaries via a periodically and automatically testing the
luminaries system efficiency.
B. The system shall be remotely controlled using PC and printer and shall be
linked to the BMS.
C. The system shall include a microprocessor unit to perform the following:-
- Control system operation.
- Controls programmed events.
- Tests operation of lamps.
- Tests operation of control circuits.
- Record data and events.
- Charging/Discharging status.
D. The microprocessor unit shall include a set of batteries to allow it to continues
running the system during the electricity failure (black ¡Vout).
E. The system shall check the autonomy of the luminaries corresponds to their
rated autonomy.
2.12 PARTICULAR REQUIREMENTS
A. GENERAL
The Contractor shall be responsible for ensuring that the design and installation of
all lighting complies with CIBSE lighting code LC1 1988 and lighting guide LG3
1989 and with this specification.
All layouts shall be developed in conjunction with the Owner's Authorized
Representative
In general all lighting shall be wired in a minimum of 1.5 mm2 single core cables
and protected by a 16A type 2 or 3 MCB. Larger cable sizes shall be used where
necessary to comply with the IEE wiring regulations 16th edition.
All lighting fixtures, shall be fed and connected using multi-core thermoplastic
cables.
17
B. PLANT AREAS
All plant areas shall have fluorescent luminaries as specified in the schedules.
The contractor shall ensure luminaries are positioned such that lighting levels are
not significantly affected by adjacent services such as pipe work or duct work
where necessary luminaries shall be installed on chains.
The contractor shall consider the use of plant rooms where required and shown on
the drawings (i.e lift hoist way, electrical switch room, water tank room) before
determining the lighting design criteria.
2.13 ACCEPTABLE MANUFACTURERS
Refer to the attached lighting fixtures schedules.
PART 3-EXECUTION:
3.01 INSPECTION
A. Examine conditions under which lighting fixtures are to be installed. Notify in
writing of conditions detrimental to proper completion of work. Do not
proceed with the work until unsatisfactory conditions have been corrected.
3.02 INSTALLATION:
A. Do not scale electrical drawings for exact location of the lighting fixtures. In
general, the Architectural plans indicate the proper locations of lighting
fixtures. In the case of conflicts or inconsistencies in the plans or
specifications, the Contractor shall promptly contact the Architect to request
proper interpretation. Where fixture quantities are given in the contract
documents, they are for design reference only. The Contractor shall be
responsible for all quantity take-offs.
B. Install each fixture properly and safely. Provide necessary structural supports
where required for the safe attachment of all lighting fixtures. Furnish and
erect hangers, rods, mounting brackets, supports and other equipment
required. Coordinate conduit entry locations with fixture manufacturers prior
to roughing.
C. Contractor shall be responsible for matching fixture rough-in and trim
configuration with the type of construction the fixture is to be mounted in or
on. Determine surface type from the Architectural drawings and furnish
lighting fixture with trim appropriate for the surface the fixture is to be
mounted in or on. If required by the ceiling system(s), furnish a suitable
mounting frame or ring for each recessed and semi-recessed fixture.
D. Install pendant lighting fixtures plumb and true, at the height from the floor
specified on the drawings. In cases where conditions make this impractical,
refer to the Architect for a decision. Use ball aligners and canopies on pendant
fixtures unless noted otherwise. Rigidly align continuous rows of lighting
fixtures for true in-line appearance. Support all lighting fixtures independently
of duct work or piping. Whenever a fixture or its hanger canopy is applied to a
surface mounted outlet box, provide a finishing ring to conceal the outlet box.
18
E. Light poles and bollards shall be installed on reinforced concrete footings or
slabs, using anchor bolts and bases or mounting plates furnished by the pole or
fixture manufacturer to support the specified pole and fixture{s) for a
minimum wind load rating of 80. MPH ( 130 Km/h) or higher as otherwise
specified.
F. In all uplight coves; fluorescent, cold cathode, incandescent, low voltage, etc.,
fixtures shall be installed so as to provide a continuous and visually unbroken
band of light. Socket shadows, dark spots or visible light gaps are not
acceptable. Fixtures, accessories and supply wiring shall not be visible from
below the uplight cove.
G. Each lighting fixture shall be packaged with clear, complete installation
instructions. Install lighting fixtures in strict conformance with manufacturer's
recommendations and instructions.
H. Splices in internal wiring shall be made with approved insulated "wire nut"
type mechanical connectors, suitable for the temperature and voltage
conditions to which they are subjected. All wiring shall be suitable for
temperature, current, and voltage conditions to which it is subjected, including
internal wiring between individual lamp sockets, lamp auxiliaries, etc.
I. Effectively protect all lighting equipment against damage from the time of
fabrication to final acceptance of the work. Install reflector cones, baffles,
aperture plates, light controlling element for air handling fixtures, and
decorative elements after completion of ceiling tiles, painting and general
cleanup. Replace blemished, damaged or unsatisfactory fixtures as directed.
J. Install each fixture properly and safely. Furnish and erect hangers, rods
mounting brackets, supports, bases, cables, canopies, channels, frames and
other equipment required.
K. Furnish lighting fixtures complete with appurtenances required for the proper,
safe and distortion-free installation in the various surfaces in which they
appear.
L. Obtain each lighting fixture packaged with complete instructions and
illustrations showing how to install. Install lighting fixtures in strict
conformance with manufacturer's recommendations and instructions.
M. Install lighting fixtures plumb and at a height from the floor as specified. In
cases where conditions make this impractical, refer to the consultant for a
decision. Use ball aligners, hang straights and canopies on pendant fixtures.
N. Do not install fixtures and/or parts such as finishing plates and trims for
recessed fixtures until all plastering and painting that may mark fixtures finish
has been complete.
O. Lighting fixture locations in mechanical and technical rooms is approximate.
Coordinate mounting height and location of lighting fixtures to clear
equipment and to illuminate equipment adequately.
P. Support all lighting fixtures independently.
Q. Whenever a fixture or its hanger canopy is applied to a surface mounted outlet
box, utilize a finishing ring to conceal to outlet box.
R. Make splices in internal wiring with approved insulated "wire nut" type
mechanical connectors, suitable for the temperature and voltage conditions to
which they are subjected.
19
S. Use wire suitable for temperature, current, and voltage conditions to which it
is subjected where utilized for connections to or between individual lamp
sockets and lamp auxiliaries (i.e., wires which don't constitute "through
circuit" wiring).
T. Replace blemished, damaged or unsatisfactory fixtures as directed.
U. Install all lighting units set true and free of light leaks, warps, dents, and other
irregularities.
V. Install all lighting units free of dust and direct.
W. Install reflector cones, baffles, aperture plates, light controlling element for air
handling fixtures, visible trim, and decorative elements after completion of
ceiling tiles, painting and general cleanup.
X. If required by the ceiling system(s), each recessed and semi-recessed fixture
shall be furnished wit "mounting frame or ring compatible with the ceiling in
which they are to be installed. The frames and ri shall be one piece or
constructed with electrically welded butt joints and-shall be of sufficient size
strength to sustain the weight of the fixture.
Y. Light leaks between ceiling trim of recessed lighting fixtures and the ceiling
are acceptable . for fixtures u partially transparent ceilings, light leaks above
the ceiling line aren't acceptable.
Z. Fixtures for use outdoors shall be suitably gasketed to prevent the entrance of
moisture. Provide approved wire mesh insect screens for ventilation openings.
Install and seal all lighting fixtures and associated equipment used outdoors
shall be constructed of materials suitable for the environment in which it is
installed: e.g. in salt air environment, use materials such as copper-free
aluminum stainless steel, etc. in a cold environment provide 0O rated
fluorescent ballasts, etc.
AA. All fixtures designed to be recessed in suspended ceilings shall be supplied
with pre-wired junction boxes.
BB. Remote step-down transformers and associated wiring shall be sized to
minimize voltage drop at fixture locations. Provide enclosures and
acoustically mounts to assure quiet operation. Transformers found by the
architect to be unduly noisy shall be replaced without charge prior to
acceptance of the job.
CC. Temperature on the exterior of fixture housing and auxiliaries shall not exceed
205OC at any point.
DD. Provide thickness of metal as indicated in luminaire schedules and details, or
as required so that luminaries are rigid, stable and resists deflection, twisting,
warping cir bending under normal installation procedures. relamping etc.,or
no less than requirements specified herein the specifications.
EE. Provide neoprene or silicone gasketting, barriers and stops where required to
prevent light leaks or water/watervapour penetrations.
FF. Favricate housings to allow for easy accessibility and replacement of parts.
20
3.03 AIMING AND ADJUSTMENT:
A. All adjustable lighting units shall be aimed, focused, locked, etc., by the
Contractor under the supervision of the Architect and/or Engineer. The
Architect and/or Engineer shall indicate the number of crews required. All
aiming and adjusting shall be carried out after the entire installation is
complete. All ladders, scaffolds, etc. required shall be furnished by the
Contractor at the direction of the Architect and/or Engineer. As aiming and
adjusting is completed,. locking set screws and bolts and nuts shall be
tightened securely.
B. Where possible, lighting fixtures shall be focused during normal business
hours. However, where daylight interferes with aiming and focusing, this work
shall be performed at night at no additional cost to Employer.
3.04 CLEANUP.
C. Furnish all available maintenance data for each lighting fixture to the
Employer, including tools required for routine maintenance, types of cleaners
to be used, replacement parts lists and for custom or modified custom fixtures,
as-built shop drawings.
D. At the time of final acceptance by the Employer, all lighting fixtures shall.
have been thoroughly cleaned with materials and methods recommended by
the manufacturers, all broken parts shall have been replaced, and all lamps
shall be operating for a maximum of 100 burning hours.
3.05 FIELD QUALITY CONTROL
A. Upon completion of installation of lighting fixtures and after building circuitry
has been energized, apply electrical energy to demonstrate capability and
compliance with requirements. When possible, correct malfunctioning units at
the site, then retest to demonstrate compliance, otherwise, remove and replace
with new units, and proceed with retesting.
B. Certify that the equipment has been properly installed, adjusted, and tested.
END OF SECTION 16500