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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 1
SECTION 26 51 00
INTERIOR LIGHTING PART 1: GENERAL
1.01 SECTION INCLUDES
A Interior lighting including, but not limited to the
following:
1. Spot/down lights.
2. Fluorescent luminaires.
3. Discharge lamp luminaires.
4. LED luminaires.
5. Lamps.
6. Lighting fixtures accessories.
7. Protection classification.
1.02 RELATED SECTIONS
A Section 01 31 00 Project Management and Coordination.
B Section 0133 00 Submittal Procedures.
C Section 01 61 00 Common Product Requirements.
D Section 01 75 00 Starting of Systems.
E Section 01 77 00 Contract Closeout.
F Section 01 78 23 Operation and Maintenance Data.
G Section 01 78 36 Warranties.
H Section 26 05 00 Common Work Results for Electrical.
I Section 26 05 53 Electrical Identification.
J Section 26 05 19 LV Cables and Wires.
K Section 26 56 00 Exterior and Street Lighting.
L Section 26 52 00 Emergency and Exit Lighting.
M Section 26 05 26 Earthing System.
N Section 26 08 00 Testing and Commissioning of Electrical
Systems.
1.03 REFERENCES
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 2
A SASO Saudi Arabian Standards Organization.
B IEC 60346 Electrical Installations of Buildings.
C IEC 60529 Degrees of Protection provided by Enclosures (IP
code).
D IEC 60598-1 Luminaires Safety General Requirements and
Tests.
E IEC 60598-2 Luminaires Part 2, Particular Requirements
(Various Parts).
F IEC 61347-1 Lamp Control gear, General and Safety
Requirements.
G IEC 61347-2 Lamp Control gear, Particular Requirements for
Electronic Inverters and Converters, Step Down Converters,
Ballasts, etc. (Various Parts)
H BSEN 60929 AC Supplied Electronic Ballasts for Tubular
Fluorescent Lamps, Performance Requirements.
I BSEN 61047 DC or AC Supplied Electronic Step-down converters
for Filament Lamps, Performance Requirements.
J BSEN 62031 LED Modules for General Lighting, Safety
Specifications.
K BSEN 62384 DC or AC Supplied Electronic Control gear for LED
Modules, Performance Requirements.
L BSEN 62386 Digital Addressable Lighting Interface DALI
(Various Parts).
M BS 7671 Requirements for Electrical Installations (IEE Wiring
Regulations).
N CIBSE Chartered Institute of Building Services Engineers
Lighting Codes.
O IES Handbook Handbook of Illumination Engineering Society.
1.04 SUBMITTALS
A Comply with section 0133 00.
B Submit manufacturer's illustrated leaflets, catalogs and
technical/photometric data for interior lighting fixtures to show
that the proposed light fixtures are of the required type,
construction and quality.
C Submit dimensioned shop drawings of lighting fixture
installations, including but not necessary limited to, layout and
connections to panel boards. Submit fixture shop drawings in
booklet form with separate sheet for each proposed fixture,
assembled in luminaire type alphabetical order.
D Submit new lighting calculations if an equal alternative
fixture (different from the specified one) would be submitted.
Additional lighting fixtures of the equal alternative fixture type
shall be provided at no extra cost to achieve the specified
illumination level.
1.05 QUALITY ASSURANCE
A Manufacturers: Firms regularly engaged in the manufacture of
lighting fixtures of types and ratings required, whose products
have been in satisfactory use in similar service for not less than
5 years. Preference shall be given to local manufacturers and
suppliers/agents.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 3
B Installer: Firms regularly engaged and qualified with at least
5 years of successful installation experience on projects with
interior lighting fixtures similar to that required for this
project.
C All interior lighting fixtures shall comply with the
requirements of IEC, BS and SASO.
1.06 DELIVERY, STORAGE AND HANDLING
A Comply with section 01 61 00.
B Luminaires, lamps, and accessories shall be delivered to the
job site wrapped in protective covering and stored in a dry
location free from dust or water, and in such a manner to permit
easy access for inspection and handling. Luminaires, lamps, and
accessories shall be handled carefully to prevent damage. Damaged
items shall be replaced at no additional cost.
1.07 WARRANTY
A Comply with section 01 78 36.
1.08 SPARE PARTS
A Supply as maintenance stock, additional ballasts, LV
transformers, power supplies, diffusers, lenses, covers and lamps
amounting to one unit for every 20 units, but not less than 3 units
of each type, size and rating.
PART 2: PRODUCTS
2.01 ACCEPTABLE MANUFACTURERS
Not Used.
2.02 GENERAL
A All materials specified herein shall be of high quality and of
proven suitability for the functions they will perform and the
conditions they will meet in service.
B Furnish all light fittings complete with internal wiring,
lamps and lamp holders, all kinds of control gear, LV transformers,
power supplies, leads, trim, rings, frames, hangers and
reflectors.
C Lighting fittings shall be of sizes, types, IP-protection
degree and ratings as shown on the drawings and schedules.
D All wiring within the lighting fittings shall be suitable for
the voltage, current and temperature to which insulation will be
subjected.
2.03 SPOT/DOWN LIGHTS
A Provide all recessed, surface mounted, suspended and wall
mounted spot/down light fittings as shown on drawings and
schedules.
B All low voltage lighting fittings shall be provide with
appropriately rated step-down (usually 230/12 Volts) electronic
transformer having more than 0.98 p.f. and suitable to withstand
the
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 4
temperature upto 60o
C All spot/down lights shall be labeled with voltage, frequency,
current rating, lamp type/wattage, power factor, manufacturer's
name and country of origin.
C.
2.04 FLUORESCENT LUMINAIRES
A The control gear, components and wiring of all the fluorescent
and compact fluorescent lighting fixtures shall be enclosed in a
steel canopy, protected from corrosion and suitable for the
intended application.
B Recessed, surface and suspended mounted luminaires shall be
designed for use with control gear having maximum case
temperatures, suitable for use in ambient temperatures and
conditions where they are to be installed.
C All luminaires shall be labeled where visible with the
voltage, frequency, current rating to include control gear and
lamp(s), manufacturer's name and fixture type.
D All ballasts shall be of the Electronic type (High Frequency)
with a minimum of 0.98 p.f. Digitally addressable electronic
ballasts, dimmable electronic ballasts or any other type of
ballasts required for the proper function of dimming and control
applications shall be provided with the luminaires, whether
indicated on the drawings specifically of not.
E All electronic ballasts shall be compatible with the approved
KNX system, DALI system, central battery system (for emergency) or
any other lighting system when included as part of the project.
F Where reflector and white louver assembly is specified
construct, the reflector shall be constructed from highly polished
aluminum.
G All wiring within the luminaires shall be suitable for the
voltage, current and temperature to which insulation will be
subjected.
H The metal canopy shall be finished with white high gloss stove
enameled paint.
I All luminaires shall be fitted with radio interference
suppression feature.
2.05 DISCHARGE LAMP LUMINAIRES
A Discharge lamp luminaires shall to be of a type as shown on
the drawings and schedules.
B Luminaires generally, shall be of a type suitable for use with
sodium vapor or metal halide type lamps and shall have integral
control gear unless otherwise specified.
C Where control gear is to be separately mounted, it shall be
completely enclosed in a metal clad type enclosure complete with
conduit entry facilities and fixing accessories.
D Power factor correction capacitors shall be supplied of
adequate rating to provide an overall circuit power factor not less
than 0.90 lagging.
E Luminaire enclosures for internal use shall be fabricated from
cast alloy (e.g. die-cast Aluminium) or sheet steel, finished in a
corrosion and abrasion resistant paint finish. All enclosures shall
be complete with conduits or glands for cable entries including all
necessary supports and fixing accessories.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 5
F Luminaires to be flush mounted in suspended ceilings shall be
suitable for the ceiling module dimensions and types of suspended
ceiling such as concealed spline or exposed T, gypsum board, tiles,
strip, etc.
2.06 LED LIGHTING
A Provide lighting fixtures comprising special semi-conductors
called Light Emitting Diodes (LEDs) as light source by utilizing
modern opto-electronic technology, as shown on the drawings or
mentioned elsewhere in the contract documents.
B The power suppliers/drivers for LED lighting fixtures shall be
suitable for 230 volts, 1-phase, 60 Hz, AC power supply.
C The LEDs shall be day light white, warm white or RGB type as
shown on the drawings and approved by the Engineer according to the
application.
D The LEDs shall be rated to withstand harsh environment with a
maximum ambient temperature of 50 o
E The LEDs shall have minimum guaranteed life of 50,000
operational hours.
C.
F LED lighting fixtures shall use dedicated Printed Circuit
Boards (PCBs) designed carefully to equip with selected LED finings
in a professional manner to ensure optimum luminous flux and colour
rendition.
G The optical system for LED lighting fixtures shall be built in
two layers of lenses and reflectors, thereby allowing full
utilization of the light emitting from LEDs with maximum efficiency
and light output. Special lens and reflectors shall be used for
this purpose.
H Provide maintenance free passive heat sinks for LED lighting
fixtures to ensure that the LED module within the fixture will
operate below the critical temperature range in order that it will
produce full power output through out the entire functional life
without any de-rating.
I Provide electronic control gear, power supply / drivers
suitable for the operation of LED lighting fixtures. A universal
power supply / driver may also be used with high power rating to
supply power to several LED lighting fixtures, subject to
application and suitability as per manufacturer's
recommendations.
J All power supplies / drivers for LED and other linear lighting
fixtures shall comply with relevant standards and be suitably
designed to locate them remotely from the lighting fixtures itself
at a distance of 50 meter or more at locations accessible to
maintenance staff at all times.
K Provide all type of power supplies / drivers, LV transformers
and control gear such as DALI, colour mixing modules, RGB modules,
0-10 volts dimming, DMX controls, etc. required for the intended
operation and control of all LED and other types of linear lighting
fixtures whether shown on the drawings and schedules or not. These
components shall be considered as part of the lighting fixture.
2.07 LAMPS
A All LV halogen reflector lamps shall be with infra-red coating
IRC. Special purpose high output lamps shall consist of a tungsten
filament housed in a halogen filled quartz tube giving a light
output of 17-22 lumens/watt and a life expectancy of 2000
hours.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 6
B Tubular fluorescent lamps shall conform to the requirements of
IEC and shall be of the bi-pin type.
C Average life expectancy of fluorescent lamps not to be less
than 12000 hours and maintenance factor not less than 0.9.
D The standard colour of fluorescent lamps shall be 3000 o
E Compact fluorescent lamps shall be of the types and ratings as
shown on the drawings. Lamps to be suitable for operation in the
cap position as denoted in the lighting fixture in which they are
intended to be used.
K colour, unless otherwise specified. Cool white or Warm white
as selected by the Engineer.
F Metal halide discharge lamps shall be suitable for operation
in cap position as denoted in the lighting fixture in which they
are intended to be used. The lamps to be capable of maintaining an
average life of 5000 hours with an average light output of 66-85
lumens/Watt.
G High pressure sodium vapour discharge lamps shall be of high
pressure type (SON). Lamps shall be suitable for operation in the
cap position required in the luminaire in which they are intended
to be used. Lamps shall be capable of maintaining an average life
of 8000 hours with an average light output of approximately 100
lumens/Watt.
H Electrical characteristics of all type of lamps shall be in
accordance with the details shown on lighting fixture
schedules/specification sheets and drawings. The lamps shall be
from a well known manufacturer such as Osram, Philips, GE or as
required and approved by the Engineer.
2.08 LIGHTING FIXTURES ACCESSORIES
A Lamp Holders and Starters:
1. Lamp holders, starters and starter holders shall conform to
IEC.
2. Provide mechanical self retaining neoprene gasket which is
dust and moisture proof to act as a seal between lamp and lamp
holder.
B Ballasts:
1. Provide electronic ballasts for fluorescent lamps in
accordance with IEC. These shall be thermally protected, high power
factor, low loss and of the energy saving type.
2. Provide dimmable electronic ballasts compatible to Digitally
Addressable Lighting Interface (DALI) standard or 1-10 volt system
or any other control system as required and approved by the
Engineer for all types of lamps and lighting fixtures shown on the
drawings and schedules.
3. Provide ballasts for sodium vapor and other high intensity
discharge lamps in accordance with IEC. Maximum allowable
temperature rise at rated input above an average ambient
temperature of 50 C shall be 115 C.
C Diffusers:
1. Diffusers shall be manufactured from one piece virgin
acrylic, clear acrylic, or polycarbonate plastic having the
following characteristics:
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 7
a. Interior diffusing type with smooth exterior surface.
b. Self-extinguishing type as determined by applicable
standards.
c. No material colour change when used with 4000 K fluorescent
lamp.
d. No apparent yellowing after 500 hours exposure to fluorescent
lamp. Source under conditions similar to those existing in the
lighting fixture.
e. No altering of the optical properties of the fixture when
finished diffuser treated with anti-static wax.
2. Diffusers shall be formed by a carefully controlled process
so that the finished piece retains its design contours and
dimensions without any change at the normal operating
temperature.
3. Diffusers shall be resistant to shrinking, warping, crazing,
cracking, or discoloring, either in service or when stored in
normal conditions in the manufacturer's standard shipping
containers.
D Provide wiring and cabling for interior lighting fixtures in
accordance with section 26 05 19.
E Junction boxes shall be of code gauge galvanized steel of
shapes and sizes to suit their respective locations and shall be
provided with covers to suit their function and installation.
Install an appropriate expansion fitting wherever the conduit run
crosses an expansion joint.
2.09 PROTECTION CLASSIFICATION
A All interior lighting fixture enclosures shall be classified
in accordance with the IP classification system and two digit
number code.
B All interior lighting fixtures for outdoor use or in damp or
wet locations, particularly in toilets and bath rooms, shall be
dust and damp proof and weatherproof as classification IP- 54
minimum.
C All interior lighting fixtures for use in hazardous areas
shall conform to the requirements of NEC Chapter 5 and shall be
appropriate to the classification of the hazard.
PART 3: EXECUTION
3.01 INSPECTION
A Comply with section 01 31 00.
B Examine the areas and conditions in which luminaires are to be
installed and correct any unsatisfactory conditions detrimental to
the proper and timely completion of the work. Do not proceed with
the work until unsatisfactory conditions have been corrected in a
manner acceptable to the Engineer.
C Coordinate light fixtures with the type of ceiling finish
given in the Ceiling Finishes Schedule.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 8
D Examine the architectural, mechanical and structural drawings
to become familiar with the structural features of the building and
the location of pipes, ducts, etc., which would alter the location
or spacing of outlets for interior lighting. Submit to the Engineer
for a decision as to the proper location. Be responsible for the
proper reinforcement of any ductwork necessary to carry the added
weight of lighting fixtures where same must be mounted on the
bottom of such ductwork.
3.02 GENERAL INSTALLATION
A Install lighting fixtures at locations as indicated in
accordance with fixture manufacturer's written instructions,
applicable requirements of IEC, BS, SASO and with recognized
industry practices to ensure that lighting fixtures fulfill
requirements.
B Furnish all fixtures complete with lamps. Install permanent
lighting fixtures after completion of all masonry and structural
work. Do not use for lighting purposes during construction. Provide
temporary lighting as specified in division 1 of the
specification.
C Where job conditions require mounting heights different from
those specified or shown, to avoid equipment or structural
features, etc., such changes in mounting heights shall be as
directed by the Engineer.
D Set lighting fixtures plumb, square, level and in alignment.
Secure in accordance with manufacturer's directions and approved
shop drawings.
E Luminaires shall be arranged for surface, recess or pendant
mounting as required by the general structure and decor of the
building. Where a suspended ceiling is provided, fix recess mounted
luminaires as specified or as shown on the drawings.
F When lighting fixture is not required to be furnished by the
contractor, complete wiring shall be provided by him for all
lighting points.
3.03 SURFACE MOUNTED LUMINAIRE INSTALLATION
A All surface or pendant mounted luminaires shall be fixed to a
surface or flush mounted metal conduit box. Direct surface mounted
luminaires shall be spaced a distance of 12 mm from the mounting
surface by using extension rings.
B Make connections between the permanent wiring and the
luminaire using cable rated for a minimum of 150 C. Connect cable
using a porcelain or heat resistant connector block housed in the
conduit box.
3.04 RECESS MOUNTED LUMINAIRE INSTALLATION
A Suspend all recess mounted luminaires independently of the
ceiling in which they are fitted. Where such an arrangement is not
possible or practical, luminaires shall be fitted in and supported
by the ceiling. Ensure that the suspended ceiling is suitably
strengthened to carry the additional weight.
B Make connections between the permanent wiring and luminaires
using heat resistant flexible cables and conduit box mounted
adjacent to the luminaire and accessible on removal of the
luminaire.
C Flexible cable shall be three core type, one core being used
as the circuit protective and earth bonding conductor. Where the
cable forms the connection to a tungsten lamp luminaire, it shall
be rated for operation at 150 C minimum.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 9
3.05 PENDANT MOUNTED INSTALLATION
A Mount tube pendants from a ball and socket type swivel dome
cover plate fitted to a ceiling mounted metal conduit box and
conduit of minimum diameter 20 mm. The conduit entry to the
luminaire shall be fitted with a lock nut and provide a flexible
copper bond from the fixed conduit installation to the pendant
tube.
B Proprietary type pendant luminaires, whether single or
multi-lamp units, shall be bonded and provided with suitable
terminations to ensure reliable earth continuity throughout all
exposed metalwork.
C Plain pendants shall consist of a junction box, a flexible
cord of heat resistant cable and a heat resistant lamp holder.
D Do not suspended luminaires by means of flexible cables with
the exception of certain lightweight domestic and commercial types
of luminaires, which shall be agreed with the Engineer.
E Support suspended luminaires by means of purpose manufactured
metal supports.
F Provide white break joint rings between the fittings and
conduit box to mask the joints as deemed necessary by the
Engineer.
3.06 ADJUSTMENT AND CLEANING
A Comply with section 01 31 00.
B Clean interior lighting fixtures of dirt and debris upon
completion of installation. Protect installed fixtures from damage
during remainder of the construction period.
3.07 FIELD QUALITY CONTROL
A Comply with section 26 08 00.
B Upon completion of installation of 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 and then retest to
demonstrate compliance. Otherwise, remove and replace with new
units and proceed with retesting.
C At the time of substantial completion, replace lamps in
lighting fixtures which are observed to be noticeably dimmed after
contractor's use and test.
D Test all luminaires functionally to prove that they operate
satisfactorily as per control requirements.
E Check and record actual illumination levels and compare with
design requirements as per applicable standards.
3.08 EARTHING
A Comply with all the requirements of section 26 05 26 for
earthing of all lighting fixtures as applicable.
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MINISTRY OF HOUSING Western Sector Projects Sitework &
Infrastructure OMRANIA and ASSOCIATES Project Specification
INTERIOR LIGHTING SECTION 26 51 00 - 10
B Use separate earthing wire between lighting fixtures and panel
board. Minimum size shall be 2.5 mm2
3.09 TRAINING
.
A Comply with section 01 77 00.
B Provide instruction and training to the Owners staff for the
operation and maintenance of the equipment. Provide a minimum of
eight (8) hours training to be divided between classroom and
hands-on training as required by the Owner.
C Agree the training schedule (dates, time, duration of each
class, etc.) with the Owner at least one month before the actual
training programme is scheduled.
3.10 OPERATION AND MAINTENANCE PROGRAMME
A. Comply with section 01 78 23.
END OF SECTION
SECTION 26 51 00PART 1: GENERALSection includesInterior lighting
including, but not limited to the following:
RELATED SECTIONSSUBMITTALSComply with section 0133 00.Submit
manufacturer's illustrated leaflets, catalogs and
technical/photometric data for interior lighting fixtures to show
that the proposed light fixtures are of the required type,
construction and quality.Submit dimensioned shop drawings of
lighting fixture installations, including but not necessary limited
to, layout and connections to panel boards. Submit fixture shop
drawings in booklet form with separate sheet for each proposed
fixture, assembled i...Submit new lighting calculations if an equal
alternative fixture (different from the specified one) would be
submitted. Additional lighting fixtures of the equal alternative
fixture type shall be provided at no extra cost to achieve the
specified illu...
QUALITY ASSURANCEManufacturers: Firms regularly engaged in the
manufacture of lighting fixtures of types and ratings required,
whose products have been in satisfactory use in similar service for
not less than 5 years. Preference shall be given to local
manufacturers ...Installer: Firms regularly engaged and qualified
with at least 5 years of successful installation experience on
projects with interior lighting fixtures similar to that required
for this project.All interior lighting fixtures shall comply with
the requirements of IEC, BS and SASO.
DELIVERY, STORAGE AND HANDLINGComply with section 01 61
00.Luminaires, lamps, and accessories shall be delivered to the job
site wrapped in protective covering and stored in a dry location
free from dust or water, and in such a manner to permit easy access
for inspection and handling. Luminaires, lamps, and a...
WARRANTYspare parts
PART 2: PRODUCTSThe control gear, components and wiring of all
the fluorescent and compact fluorescent lighting fixtures shall be
enclosed in a steel canopy, protected from corrosion and suitable
for the intended application.Recessed, surface and suspended
mounted luminaires shall be designed for use with control gear
having maximum case temperatures, suitable for use in ambient
temperatures and conditions where they are to be installed.All
luminaires shall be labeled where visible with the voltage,
frequency, current rating to include control gear and lamp(s),
manufacturer's name and fixture type.All ballasts shall be of the
Electronic type (High Frequency) with a minimum of 0.98 p.f.
Digitally addressable electronic ballasts, dimmable electronic
ballasts or any other type of ballasts required for the proper
function of dimming and control app...All electronic ballasts shall
be compatible with the approved KNX system, DALI system, central
battery system (for emergency) or any other lighting system when
included as part of the project.Where reflector and white louver
assembly is specified construct, the reflector shall be constructed
from highly polished aluminum.All wiring within the luminaires
shall be suitable for the voltage, current and temperature to which
insulation will be subjected.The metal canopy shall be finished
with white high gloss stove enameled paint.All luminaires shall be
fitted with radio interference suppression feature.All LV halogen
reflector lamps shall be with infra-red coating IRC. Special
purpose high output lamps shall consist of a tungsten filament
housed in a halogen filled quartz tube giving a light output of
17-22 lumens/watt and a life expectancy of 2000 ...Tubular
fluorescent lamps shall conform to the requirements of IEC and
shall be of the bi-pin type.Average life expectancy of fluorescent
lamps not to be less than 12000 hours and maintenance factor not
less than 0.9.The standard colour of fluorescent lamps shall be
3000 PoPK colour, unless otherwise specified. Cool white or Warm
white as selected by the Engineer.Compact fluorescent lamps shall
be of the types and ratings as shown on the drawings. Lamps to be
suitable for operation in the cap position as denoted in the
lighting fixture in which they are intended to be used.Metal halide
discharge lamps shall be suitable for operation in cap position as
denoted in the lighting fixture in which they are intended to be
used. The lamps to be capable of maintaining an average life of
5000 hours with an average light output o...High pressure sodium
vapour discharge lamps shall be of high pressure type (SON). Lamps
shall be suitable for operation in the cap position required in the
luminaire in which they are intended to be used. Lamps shall be
capable of maintaining an aver...Electrical characteristics of all
type of lamps shall be in accordance with the details shown on
lighting fixture schedules/specification sheets and drawings. The
lamps shall be from a well known manufacturer such as Osram,
Philips, GE or as required ...lighting fixtureS accessories
PART 3: EXECUTIONINSPECTIONGENERAL INSTALLATIONInstall lighting
fixtures at locations as indicated in accordance with fixture
manufacturer's written instructions, applicable requirements of
IEC, BS, SASO and with recognized industry practices to ensure that
lighting fixtures fulfill requirements.Furnish all fixtures
complete with lamps. Install permanent lighting fixtures after
completion of all masonry and structural work. Do not use for
lighting purposes during construction. Provide temporary lighting
as specified in division 1 of the speci...Where job conditions
require mounting heights different from those specified or shown,
to avoid equipment or structural features, etc., such changes in
mounting heights shall be as directed by the Engineer.Set lighting
fixtures plumb, square, level and in alignment. Secure in
accordance with manufacturer's directions and approved shop
drawings.Luminaires shall be arranged for surface, recess or
pendant mounting as required by the general structure and decor of
the building. Where a suspended ceiling is provided, fix recess
mounted luminaires as specified or as shown on the drawings.When
lighting fixture is not required to be furnished by the contractor,
complete wiring shall be provided by him for all lighting
points.
SURFACE MOUNTED LUMINAIRE INSTALLATIONAll surface or pendant
mounted luminaires shall be fixed to a surface or flush mounted
metal conduit box. Direct surface mounted luminaires shall be
spaced a distance of 12 mm from the mounting surface by using
extension rings.Make connections between the permanent wiring and
the luminaire using cable rated for a minimum of 150 C. Connect
cable using a porcelain or heat resistant connector block housed in
the conduit box.
RECESS MOUNTED LUMINAIRE INSTALLATIONSuspend all recess mounted
luminaires independently of the ceiling in which they are fitted.
Where such an arrangement is not possible or practical, luminaires
shall be fitted in and supported by the ceiling. Ensure that the
suspended ceiling is suita...Make connections between the permanent
wiring and luminaires using heat resistant flexible cables and
conduit box mounted adjacent to the luminaire and accessible on
removal of the luminaire.Flexible cable shall be three core type,
one core being used as the circuit protective and earth bonding
conductor. Where the cable forms the connection to a tungsten lamp
luminaire, it shall be rated for operation at 150 C minimum.
PENDANT MOUNTED INSTALLATIONMount tube pendants from a ball and
socket type swivel dome cover plate fitted to a ceiling mounted
metal conduit box and conduit of minimum diameter 20 mm. The
conduit entry to the luminaire shall be fitted with a lock nut and
provide a flexible copp...Proprietary type pendant luminaires,
whether single or multi-lamp units, shall be bonded and provided
with suitable terminations to ensure reliable earth continuity
throughout all exposed metalwork.Plain pendants shall consist of a
junction box, a flexible cord of heat resistant cable and a heat
resistant lamp holder.Do not suspended luminaires by means of
flexible cables with the exception of certain lightweight domestic
and commercial types of luminaires, which shall be agreed with the
Engineer.Support suspended luminaires by means of purpose
manufactured metal supports.Provide white break joint rings between
the fittings and conduit box to mask the joints as deemed necessary
by the Engineer.
ADJUSTMENT AND CLEANINGFIELD QUALITY CONTROLComply with section
26 08 00.Upon completion of installation of 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 and then
ret...At the time of substantial completion, replace lamps in
lighting fixtures which are observed to be noticeably dimmed after
contractor's use and test.Test all luminaires functionally to prove
that they operate satisfactorily as per control requirements.Check
and record actual illumination levels and compare with design
requirements as per applicable standards.
EARTHINGComply with all the requirements of section 26 05 26 for
earthing of all lighting fixtures as applicable.Use separate
earthing wire between lighting fixtures and panel board. Minimum
size shall be 2.5 mmP2P.
TRAININGOPERATION AND MAINTENANCE PROGRAMME