CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
SECTION 26 51 00
INTERIOR LIGHTING
TABLE OF CONTENTS
PART 1 - GENERAL..................................................................................................................................... 2
1.01
SUMMARY .................................................................................................................................... 2
1.02
DESCRIPTION OF WORK ........................................................................................................... 2
1.03
DEFINITIONS................................................................................................................................ 2
1.04
REFERENCE STANDARDS ......................................................................................................... 3
1.05
QUALITY ASSURANCE ............................................................................................................... 5
1.06
COORDINATION .......................................................................................................................... 5
1.07
WARRANTY .................................................................................................................................. 6
1.08
SUBMITTALS ................................................................................................................................ 6
PART 2 - PRODUCTS .................................................................................................................................. 7
2.01
LUMINAIRES AND COMPONENTS, GENERAL REQUIREMENTS ........................................... 7
2.02
BALLASTS FOR LINEAR FLUORESCENT LAMPS .................................................................... 8
2.03
BALLASTS FOR COMPACT FLUORESCENT LAMPS ............................................................... 9
2.04
BALLASTS FOR HID LAMPS ..................................................................................................... 10
2.05
TUNGSTEN FILAMENT LAMPS ................................................................................................ 11
2.06
FLUORESCENT LAMPS ............................................................................................................ 11
2.07
HID LAMPS ................................................................................................................................. 12
2.08
LIGHTING FIXTURE SUPPORT COMPONENTS ..................................................................... 12
PART 3 - EXECUTION ............................................................................................................................... 13
3.01
INSTALLATION ........................................................................................................................... 13
3.02
GROUNDING .............................................................................................................................. 14
3.03
FIELD QUALITY CONTROL ....................................................................................................... 14
Command of Military Works
Section: 26 51 00
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
PART 1 - GENERAL
1.01
A.
B.
SUMMARY
This Section includes the following:
1.
Interior luminaires, lamps, remote ballasts and transformers.
2.
Luminaire supports.
Related Sections include the following:
1.
1.02
Division 26 Section “Common Work Results for Electrical.
DESCRIPTION OF WORK
A.
Supply and install a luminaire of each type indicated by letters & numbers at each location
shown on the drawings.
B.
All luminaires shall be supplied complete with lamps, control gear, transformers, lenses and the
like necessary to form a complete installation.
C.
All luminaires, components and equipment shall be designed to operate on 230V +/- 10 %
single phase, 50 Hz +/- 4 % A.C. supply, unless otherwise noted.
1.03
DEFINITIONS
A.
BF: Ballast factor.
B.
CRI: (CIE) Colour-rendering index.
C.
Ra: The CIE general colour rendering index.
D.
UF: Utilisation Factor of a luminaire.
E.
EMC: Electromagnetic Compatibility.
F.
HID: High-intensity discharge (lamp).
G.
LER: Luminaire efficacy rating.
H.
LOR: Light Output Ratio (of a luminaire).
I.
Luminaire: Complete lighting fixture and includes lamp holder/s, any integral control gear,
methods for safe electrical connection, methods for mechanical fixing, methods for maintaining
the thermal environment required for lamp/s and any devices to modify the light distribution from
lamp/s. It does not include the lamp/s or any remotely located control gear or transformers.
J.
Remotely located: (control gear or transformer) necessary for the operation of a luminaire not
contained within the luminaire’s housing or structure.
K.
RI: Room index (symbol Kr).
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Section: 26 51 00
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
1.04
A.
REFERENCE STANDARDS
The following are the main standards which apply.
1.
Luminaires – General types BS 4533 : 102.1
2.
Luminaires – Recessed BS 4533 : 102.2
3.
Luminaires – Street lighting BS 4533 : 102.3
4.
Luminaires – Floodlights BS 4533 : 102.5
5.
Luminaires – With Transformers BS 4533 : 102.6
6.
Luminaires – Air Handling BS 4533 : 102.19
7.
Luminaires – Emergency BS 4533 : 102.22
8.
Luminaires – Track Systems BS 4533 : 102.57
9.
Photometric measurements BS 5225
10.
Radio interference - Lighting BS 5394
11.
Quality Systems BS 5750
12.
Code of Practice – Emergency lighting BS 5226
13.
Luminaires with type protection ‘N’ BS 4533 : 102.51
14.
Flameproof enclosure ‘d’ BS 5501 : Pen 5
15.
Ballasts for fluorescent lamps - Safety BSEN 60 920
16.
Ballasts for fluorescent lamps - Performance BSEN 60 921
17.
Ballasts for discharge lamps - Safety BSEN 60 922
18.
Ballasts for discharge lamps - Performance BSEN 60 923
19.
DC supplied electronic ballasts - Safety BSEN 60 924
20.
DC supplied electronic ballasts - Performance BSEN 60 925
21.
Electronic lamp starting devices – Safety BSEN 60 926
22.
Electronic lamp starting devices – Performance BSEN 60 927
23.
AC supplied electronic ballast - Safety BSEN 60 928
24.
AC supplied electronic ballast - Performance BSEN 60 929
25.
Electronic transformers for lamps - Safety BSEN 60 046
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
26.
Electronic transformers for lamps – Performance BSEN 60 047
27.
Capacitors used in lamp circuits – Safety BSEN 60 048
28.
Capacitors used in lamp circuits - Performance BSEN 60 049
29.
Safety Isolating transformers BS 3535
30.
Edison screw lampholders BS 6776
31.
Fluorescent lampholders and startholders BS 6702
32.
Bayonet lampholders BS 5042
33.
Miscellaneous lampholders -
34.
GIS lamps BS 5071
35.
Tungsten halogen lamps (non-vehicle) BS 1075
36.
Double capped fluorescent lamps BS 1853
37.
Single capped fluorescent lamps BS 6982
38.
High pressure sodium lamps BS 6193
39.
Metal halide lamps -
40.
Glow starters for fluorescent lamps BS 3772
41.
High pressure mercury lamps BS 3677
42.
Low pressure sodium lamps BS 3767
43.
Lighting columns BS 5649
44.
National Electric Code NFPA 70-02:
45.
The Institute of Electrical and Electronics Engineers, Inc -National Electrical Safety Code
EEE C2-1997
46.
Underwriters Laboratories, Inc.- For Luminaires UL 1598-00:
B.
The complete system and installation shall also conform to the requirements of all relevant local
codes, as applicable, together with the additional requirements referred to in this Specification
and Drawings, whichever is the more stringent and acceptable to the Engineer.
C.
Electronic ballasts should integrate with the addressable module, equipped with the Luminaires
and connected to central battery system.
D.
In the adoption of standards and requirements, the Contractor shall take the following
precedence:
1.
Engineer’s decision;
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
1.05
2.
Local codes of practice;
3.
Specification;
4.
Drawings;
5.
International standards and requirements
QUALITY ASSURANCE
A.
The Contractor shall ensure that the luminaires are handled in a manner to prevent damage to
finished surfaces and operating mechanisms.
B.
Upon a particular manufacturer being adopted for luminaires, accessories and/or equipment, all
such luminaires and their components shall be uniform throughout the project.
C.
Mockups: Provide interior luminaires for room or module mockups, complete with power and
control connections. Refer to the “Schedule of Mock-up Light Fittings” for light fittings to be
mocked up.
D.
Obtain Engineer's approval of luminaires for mockups before starting installations.
E.
Maintain mockups during construction in an undisturbed condition as a standard for judging the
completed Work.
F.
Approved luminaires in mockups may become part of the completed work if undisturbed at time
of “Issue of Taking Over Certificate”.
G.
Manufacturer Qualifications: A firm specializing in providing luminaires similar to that indicated
for this Project and with a record of successful in-service performance.
H.
Materials and workmanship shall conform to the latest issue of all industry standards,
publications, or regulations referenced in this Section, including the following, as applicable;
1.06
A.
1.
Regulations and Standards: System components, parts and installation are to comply
with the corresponding recommendations of the BS/IEC.
2.
Compliance with Local Requirements: Comply with applicable local regulations and code
requirements of authorities having jurisdiction. These will have precedence over other
codes and standards indicated, unless otherwise approved by the Engineer, in writing.
3.
Conform to requirements of reference industry standards, applicable sections.
COORDINATION
Coordinate layout and installation of luminaires and any suspension systems with other
construction that occupies the ceiling space or that penetrates ceilings or is supported by them,
including HVAC equipment, fire-suppression system and partition assemblies.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
1.07
WARRANTY
A.
The Contractor shall warrant the luminaire, its finishes, and all of its component parts, except
ballasts and transformers, to be free from defects for one year from the date of the “Issue of
Taking Over Certificate”. Replacement of faulty materials and the cost of labour required to
make the replacement shall be the responsibility of the Contractor. Ballasts and transformers
shall be warranted for two years. Lamps, other than incandescent, shall be warranted for two
years
B.
The Contractor shall warrant that all materials and equipment are suitable for continuous use
and operation in the climatic conditions encountered on site.
C.
All equipment and materials shall be fully tropicalised and suitable for use in the peculiar local
climate and operating conditions. All equipment/system shall be suitable for operation with
outdoor dry bulb temperature of at least up to 50°C and relative humidity of up to 100%.
D.
Written warranty shall be provided, signed by manufacturer and installer agreeing to replace
devices and equipment that fail in materials or workmanship within warranty period.
1.08
A.
SUBMITTALS
Product Data: For each type of luminaire, arranged in order of luminaire designation. Include
data on features, accessories, finishes and the following:
1.
Physical description of luminaire including dimensions.
2.
Ballast.
3.
Energy-efficiency data.
4.
Life, output, and energy-efficiency data for lamps.
5.
Photometric data, in IESNA format, based on laboratory tests of each luminaire type,
outfitted with lamps, ballasts and accessories identical to those indicated for the luminaire
as applied in this Project.
a.
B.
C.
For indicated luminaires, photometric data shall be certified by a qualified
independent testing agency. Photometric data for remaining luminaires shall be
certified by the manufacturer.
Samples for Verification: Furnish a properly assembled sample of each luminaire offered for the
Engineers Approval. The approved samples shall be kept at site for reference and comparison
with subsequent deliveries. Each sample submission shall include the following:
1.
Lamps: Specified units installed.
2.
Accessories: Cords and plugs.
Product Certificates: For each type of ballast for bi-level and dimmer-controlled luminaires,
signed by product manufacturer.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
D.
Qualification Data: For agencies providing photometric data for luminaires. Include lists of
completed projects with project names and addresses, names and addresses of
architects/engineers and owners, and other information specified or required by Engineer.
E.
Operation and Maintenance Data: For lighting equipment and luminaries to include in operation,
and maintenance manuals.
F.
Sample Warranty: Copy of manufacturer’s proposed warranty, stating obligations, remedies,
limitations, and exclusions.
G.
Manufacturer’s Installation Instructions.
H.
Product certificates: Signed by manufacturers of components certifying that products furnished
comply with requirements.
I.
Tests and Certificates: Submit complete certified manufacturer’s types and routine test records,
in accordance with the Standards specified in “Quality Assurance” Article.
J.
Field Test Reports: as specified in “Field Quality Control” Article of the specification section.
Indicate and interpret test results for compliance with system description and performance
requirements.
K.
Warranties: Warranties specified in this Section.
L.
Certificate of Origin.
PART 2 - PRODUCTS
2.01
LUMINAIRES AND COMPONENTS, GENERAL REQUIREMENTS
A.
Incandescent Fixtures: Where LER/LOR is specified, provide test certificate from an approved
testing laboratory.
B.
Fluorescent Fixtures: Where LER/LOR is specified, provide test certificate from an approved
testing laboratory.
C.
HID Fixtures: Where LER/LOR is specified, provide test certificate from an approved testing
laboratory.
D.
LED Fixtures: Where LER/LOR is specified, provide test certificate from an approved testing
laboratory.
E.
Luminaires shall be complete with connecting leads, auxiliaries, lamps, diffusers and
suspension gear. Cables for interconnecting lamp and control gear shall be heat resisting
cables suitable for operating at maximum temperature of 105 deg. C.
F.
Metal Parts: Free of burrs and sharp corners and edges. All cabling through a metal edge or
hole in the luminaries shall be protected by approved grommets.
G.
Sheet Metal Components: Steel, unless otherwise indicated. Form and support to prevent
warping and sagging.
H.
All luminaires shall be provided with earthing terminals for earthing connection.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
I.
Doors, Frames, and Other Internal Access: Smooth operating, free of light leakage under
operating conditions, and designed to permit relamping without use of tools. Designed to
prevent doors, frames, lenses, diffusers, and other components from falling accidentally during
relamping and when secured in operating position.
J.
All diffusers for linear fluorescent light fittings shall be hinged at one side for ease of
maintenance and shall be able to snap back and fit into position.
K.
Reflecting surfaces shall have minimum reflectance as follows, unless otherwise indicated:
L.
1.
White Surfaces: 85 percent.
2.
Specular Surfaces: 83 percent.
3.
Diffusing Specular Surfaces: 75 percent.
4.
Laminated Silver Metallized Film: 90 percent.
Plastic Diffusers, Covers, and Globes:
1.
2.
2.02
A.
B.
Acrylic Lighting Diffusers: 100 percent virgin acrylic plastic. High resistance to yellowing
and other changes due to aging, exposure to heat, and UV radiation.
a.
Lens Thickness: At least 0.5 mm minimum unless different thickness is indicated.
b.
UV stabilized.
Glass: Annealed crystal glass, unless otherwise indicated.
BALLASTS FOR LINEAR FLUORESCENT LAMPS
Electronic Ballasts: Shall be instant-start type, unless otherwise indicated, and designed for type
and quantity of lamps served. Ballasts shall be designed for full light output unless dimmer or bilevel control is indicated.
1.
Sound Rating: A, except B for T12/HO and T12/Slimline lamp ballasts.
2.
Total Harmonic Distortion Rating: Less than 10 percent.
3.
Transient Voltage Protection: IEEE C62.41, Category A or better.
4.
Operating Frequency: 42 kHz or higher.
5.
Lamp Current Crest Factor: 1.7 or less.
6.
BF: 0.85 or higher.
7.
Power Factor: 0.95 or higher.
8.
Parallel Lamp Circuits: Multiple lamp ballasts shall be connected to maintain full light
output on surviving lamps if one or more lamps fail.
Electronic Programmed-Start Ballasts for T5 and T5HO Lamps:
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
C.
1.
Lamp end-of-life detection and shutdown circuit for T5 diameter lamps.
2.
Automatic lamp starting after lamp replacement.
3.
Sound Rating: A.
4.
Total Harmonic Distortion Rating: Less than 20 percent.
5.
Transient Voltage Protection: IEEE C62.41, Category A or better.
6.
Operating Frequency: 20 kHz or higher.
7.
Lamp Current Crest Factor: 1.7 or less.
8.
BF: 0.95 or higher, unless otherwise indicated.
9.
Power Factor: 0.95 or higher.
Electromagnetic Ballasts: Shall be energy saving, high-power factor, Class P, and having
automatic-reset thermal protection.
1.
Ballast Manufacturer Certification: Indicated by label.
D.
Ballasts for Low Electromagnetic-Interference Environments: Comply with 47 CFR, Chapter 1,
Part 18, Subpart C, for limitations on electromagnetic and radio-frequency interference for
consumer equipment.
E.
Ballasts for Dimmer-Controlled luminaires: Electronic type.
F.
Dimming Range: 100 to 0 percent of rated lamp lumens.
G.
Compatibility: Certified by manufacturer for use with specific dimming control system and lamp
type indicated.
2.03
A.
BALLASTS FOR COMPACT FLUORESCENT LAMPS
Description: Electronic programmed rapid-start type, designed for type and quantity of lamps
indicated. Ballast shall be designed for full light output unless dimmer or bi-level control is
indicated:
1.
Lamp end-of-life detection and shutdown circuit.
2.
Automatic lamp starting after lamp replacement.
3.
Sound Rating: A.
4.
Total Harmonic Distortion Rating: Less than 20 percent.
5.
Transient Voltage Protection: IEEE C62.41, Category A or better.
6.
Operating Frequency: 20 kHz or higher.
7.
Lamp Current Crest Factor: 1.7 or less.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
B.
2.04
8.
BF: 0.95 or higher, unless otherwise indicated.
9.
Power Factor: 0.95 or higher.
10.
Interference: Comply with 47 CFR, Chapter 1, Part 18, Subpart C, for limitations on
electromagnetic and radio-frequency interference for nonconsumer equipment.
11.
Ballast Case Temperature: 75 deg C, maximum.
Ballasts for Dimmer-Controlled Lighting Fixtures: Electronic type.
1.
Dimming Range: 100 to 0 percent of rated lamp lumens.
2.
Ballast Input Watts: Can be reduced to 20 percent of normal.
3.
Compatibility: Certified by manufacturer for use with specific dimming control system and
lamp type indicated.
BALLASTS FOR HID LAMPS
A.
All control gear consisting of ballasts, ignitors, capacitors, etc. shall be of a type suitable for the
lamps used.
B.
Electromagnetic Ballast for Metal-Halide Lamps: Include the following features, unless
otherwise indicated:
C.
1.
Ballast Circuit: Constant-wattage autotransformer or regulating high-power-factor type.
2.
Minimum Starting Temperature: Minus 30 deg C for single-lamp ballasts.
3.
Normal Ambient Operating Temperature: 50 deg C.
4.
Open-circuit operation that will not reduce average life.
5.
Low-Noise Ballasts: Manufacturers' standard epoxy-encapsulated models designed to
minimize audible fixture noise.
Electronic Ballast for Metal-Halide Lamps: Include the following features unless otherwise
indicated:
1.
Lamp end-of-life detection and shutdown circuit.
2.
Sound Rating: A.
3.
Total Harmonic Distortion Rating: Less than 15 percent.
4.
Transient Voltage Protection: IEEE C62.41, Category A or better.
5.
Lamp Current Crest Factor: 1.5 or less.
6.
Power Factor: .90 or higher.
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Section: 26 51 00
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
7.
Interference: Comply with 47 CFR, Chapter 1, Part 18, Subpart C, for limitations on
electromagnetic and radio-frequency interference for nonconsumer equipment.
8.
Protection: Class P thermal cutout.
9.
Continuous Dimming Ballast: Dimming range shall be from 100 to 35 percent of rated
lamp lumens without flicker.
a.
Ballast Input Watts: Reduced to a maximum of 50 percent of normal at lowest
dimming setting.
b.
Compatibility: Certified by manufacturer for use with specific dimming control
system and lamp type indicated. Certified by lamp manufacturer that ballast
operating modes are free from negative effect on lamp life and color-rendering
capability.
D.
Auxiliary Instant-On Quartz System: Factory-installed feature automatically switches quartz
lamp on when fixture is initially energized and when power outages occur. System automatically
turns quartz lamp off when HID lamp reaches approximately 60 percent light output.
E.
High-Pressure Sodium Ballasts: Electromagnetic type, with solid-state igniter/starter. Igniter
starter shall have an average life in pulsing mode of 10,000 hours at an igniter/starter-case
temperature of 90 deg C.
1.
2.05
Instant-Restrike Device: Integral with ballast, or solid-state potted module, factory
installed within fixture and compatible with lamps, ballasts, and mogul sockets up to
150W.
a.
Restrike Range: 105- to 130-V ac.
b.
Maximum Voltage: 250-V peak or 150-V ac RMS.
2.
Minimum Starting Temperature: 50.
3.
Open-circuit operation shall not reduce average lamp life.
TUNGSTEN FILAMENT LAMPS
A.
Pressed glass reflector lamps (PAR) shall be of high luminous intensity.
B.
The lamps shall have a colour temperature of minimum 2700K and a colour rendering index of
100 Ra.
C.
For low voltage halogen lamps, the colour temperature shall be of minimum 3000K. The lamp
shall be positioned in a glass reflector which has a special heat-transmitting and light reflecting
coating.
2.06
A.
FLUORESCENT LAMPS
T8 rapid-start lamps, rated 32 W maximum, nominal length of 1220 mm, 2800 initial lumens
(minimum), CRI 75 (minimum), color temperature as noted in the Light Fitting Schedule, and
average rated life 20,000 hours, unless otherwise indicated.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
B.
T8 rapid-start lamps, rated 17 W maximum, nominal length of 610 mm, 1300 initial lumens
(minimum), CRI 75 (minimum), color temperature as noted in the Light Fitting Schedule, and
average rated life of 20,000 hours, unless otherwise indicated.
C.
T5 rapid-start lamps, rated 28 W maximum, nominal length of 1150 mm, 2900 initial lumens
(minimum), CRI 85 (minimum), color temperature as noted in the Light Fitting Schedule, and
average rated life of 20,000 hours, unless otherwise indicated.
D.
T5HO rapid-start, high-output lamps, rated 54 W maximum, nominal length of 1150 mm, 5000
initial lumens (minimum), CRI 85 (minimum), color temperature as noted in the Light Fitting
Schedule, and average rated life of 20,000 hours, unless otherwise indicated.
E.
Compact Fluorescent Lamps: 4-Pin, CRI 82 (minimum), color temperature as noted in the Light
Fitting Schedule, average rated life of 10,000 hours at 3 hours operation per start, and suitable
for use with dimming ballasts, unless otherwise indicated.
2.07
1.
13 W: T4, double or triple tube, rated 900 initial lumens (minimum).
2.
18 W: T4, double or triple tube, rated 1200 initial lumens (minimum).
3.
26 W: T4, double or triple tube, rated 1800 initial lumens (minimum).
4.
32 W: T4, triple tube, rated 2400 initial lumens (minimum).
5.
42 W: T4, triple tube, rated 3200 initial lumens (minimum).
6.
55 W: T4, triple tube, rated 4300 initial lumens (minimum).
HID LAMPS
A.
High-Pressure Sodium Lamps: CRI 21 (minimum), color temperature as noted in the Light
Fitting Schedule, and average rated life of 24,000 hours, minimum.
B.
Metal-Halide Lamps: Minimum CRI as noted in the Light Fitting Schedule, and color
temperature as noted in the Light Fitting Schedule.
C.
Pulse-Start, Metal-Halide Lamps: Minimum CRI as noted in the Light Fitting Schedule, and color
temperature as noted in the Light Fitting Schedule.
D.
Ceramic, Pulse-Start, Metal-Halide Lamps: Minimum CRI 80, and color temperature as noted in
the Light Fitting Schedule.
2.08
LIGHTING FIXTURE SUPPORT COMPONENTS
A.
Comply with Division 26 Section "Hangers and Supports” for channel- and angle supports and
nonmetallic channel and angle supports.
B.
Single-Stem Hangers: 13 mm dia. steel tubing with swivel ball fittings and ceiling canopy. Finish
same as fixture.
C.
Twin-Stem Hangers: Two, 13 mm dia. steel tubes with single canopy designed to mount a
single fixture. Finish same as fixture.
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
D.
Wires: ASTM A 641/A 641M, Class 3, soft temper, zinc-coated steel, 2.68 mm.
E.
Wires for Humid Spaces: ASTM A 580/A 580M, Composition 316, annealed stainless steel,
2.68 mm.
F.
Rod Hangers: 5 mm minimum diameter, cadmium-plated, threaded steel rod.
G.
Hook Hangers: Integrated assembly matched to fixture and line voltage and equipped with
threaded attachment, cord, and locking-type plug.
PART 3 - EXECUTION
3.01
INSTALLATION
A.
Installation shall be supervised and the work shall be performed by skilled technicians under the
direction of experienced engineers.
B.
Lighting fixtures: Set level, plumb, and square with ceilings and walls. Install lamps in each
fixture.
C.
Check dimensions on site. No claims shall be allowed for errors due to scaling off drawings.
Positions of fittings and accessories on drawings are approximate only. Dimensions shall be
confirmed on site before installation.
D.
Support for Lighting Fixtures in or on Grid-Type Suspended Ceilings: Use grid as a support
element.
E.
1.
Install a minimum of four ceiling support system rods or wires for each fixture. Locate not
more than 150 mm from lighting fixture corners.
2.
Support Clips: Fasten to lighting fixtures and to ceiling grid members at or near each
fixture corner with clips that are UL listed for the application.
3.
Fixtures of Sizes Less Than Ceiling Grid: Install as indicated on reflected ceiling plans or
centre in acoustical panel, and support fixtures independently with at least two 20 mm
metal channels spanning and secured to ceiling tees.
Suspended Lighting Fixture Support:
1.
Pendants and Rods: Where longer than 1200 mm, brace to limit swinging.
2.
Stem-Mounted, Single-Unit Fixtures: Suspend with twin-stem hangers.
3.
Continuous Rows: Use tubing or stem for wiring at one point and tubing or rod for
suspension for each unit length of fixture chassis, including one at each end.
F.
Adjust amiable lighting fixtures to provide required light intensities.
G.
Connect wiring according to Division 26 Section "Conductors and Cables."
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CMW GENERAL SPECIFICATION
DIVISION 26
Section: 26 51 00 (Interior Lighting)
3.02
A.
3.03
GROUNDING
All Equipments/cablings shall be connected and grounded to the earthing system covered under
Section 260526 – Grounding and Bonding.
FIELD QUALITY CONTROL
A.
Inspection: Verify that units and controls are properly labeled and interconnecting wires and
terminals are identified.
B.
Pre-testing: Align and adjust system and perform pre-testing of all components, wiring, and
functions to verify compliance with specified requirements. Correct deficiencies by replacing
malfunctioning or damaged items with new items.
C.
Test for Emergency Lighting: Interrupt power supply to demonstrate proper operation. Verify
transfer from normal power to battery and retransfer to normal.
D.
Testing: Perform the following field quality-control testing:
1.
Perform each electrical test and visual and mechanical inspection, except optional test,
stated in ASTA BEAB. Certify compliance with test parameters.
2.
Operational Tests: Schedule test after pre-testing has been successfully completed.
Perform operational system tests to verify compliance with Specifications.
3.
Reports: Prepare a written report of observations, inspections, tests and results,
including:
4.
a.
A complete listing of every device and circuit.
b.
Date of each test and retest, and by whom.
c.
Results of each test and, if failure occurred, corrective action taken prior to retest.
d.
Certification that all devices, circuits and total system finally tested successfully.
Retesting: correct deficiencies and retest until total system meets requirements of the
Specifications and complies with applicable standards.
END OF SECTION
Command of Military Works
Section: 26 51 00
Rev 0
Page 14 of 14