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LIGHTING General

In document AE (E)(P) AE(P) EE (P) (Page 34-46)

Internal & External Electrical

LIGHTING General

The work shall be executed on Engineering, Procurement & Construction (EPC) basis from conception to commissioning of E&M services.

The scope of work covers planning, designing, supply, installation, testing and commissioning of complete Internal and External Electrical Works which includes Point wiring/circuit wiring with 1.5 Sq.mm FRLS PVC insulated copper conductor single core cable in steel conduit, LED luminaires and lighting controls including daylight and occupancy sensors, ceiling/exhaust fans, modular switch, sockets, MCB/MCCB DBs, LT switchgear, compact Rising Mains, tap off boxes, UPS, raceways, cable trays, earthing, lightening arrestor, cable TV wiring in PVC conduit, networking wiring (CAT-6A) in PVC conduit, wall mounted patch panels for networking system, wiring for LAN system, IP phone system, street light, compound light and landscape lights, façade light etc. as required.

If any item required to make the building / scheme habitable, is not specifically mentioned in the scope of services, the same is deemed to be included within the scope of this tender and nothing extra shall be paid on this account. Street light/compound lighting shall be done at suitable combination of solar LED Luminaries and direct Electric Fed LED Luminaries to be approve by the Engineer-in-charge.

LIGHTING General

(a) Contract Documents

(i) All work of this Section shall comply with the requirements of the Conditions of the Contract (General, Supplementary, and Special), with the Drawings, and with all other Contract Documents.

Work Included

(i) Furnish and install a lighting fitting of the types indicated at each location as per RCP (Reflected Ceiling plan).

(ii) All materials, accessories, and any other equipment necessary for the complete and proper installation of all lighting fittings included in this Contract shall be furnished by the Contractor.

(iii) Conformance: Fittings shall be supplied in strict accordance with the Contract Drawings and Specifications.

(iv) Specifications and scale drawings are intended to convey the salient features, function and character of the fittings only, and do not undertake to illustrate or set forth every item or detail necessary for the work.

(v) Minor details, not usually indicated on the drawings nor specified, but that are necessary for the proper execution and completion of the fittings, shall be included, the same as if they were herein specified or indicated on the drawings.

(vi) Omissions: The Department shall not be held responsible for the omission or absence of any detail, construction feature, etc. which may be required in the production of the fittings. The responsibility of accurately fabricating the fittings to the fulfillment of this specification rests with Contractor.

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) (b) Submittals

(i) Shop Drawings shall clearly indicate the fitting details used as reference in the development of the shop drawings and the names of the project, Department, Architect and Designer.

(ii) The Contractor shall coordinate all his lighting fitting drawings with the drawings and details to the Architectural, Structural, Electrical, Mechanical, and other related trades to assure a correct and efficient installation.

(iii) No variation from the general arrangement and details indicated on the drawings shall be made on the shop drawings unless required to suit the actual conditions on the premises, and then only with the written acceptance of the Engineer in Charge. All variations must be clearly marked as such on drawings submitted for approval.

(iv) Catalogues, lacking sufficient detail to indicate compliance with contract documents will not be acceptable.

(v) Timely submission: Shop drawings for all lighting fittings shall be received no later than sixty days after award of Contract.

(vi) Review of shop drawings or samples does not waive contract requirements.

(vii) Photometric Data: Where indicated on the fitting schedule and contract drawings, supply complete photometric data for the fitting, including optical performance rendered by independent testing laboratory developed according to methods of VDE or IEC

(viii) The Contractor shall be responsible for obtaining from his supplier lighting manufacturers, for each type of lighting fitting, a recommended maintenance manual including:

• Tools required

• Types of cleaners to be used

• Replacement parts identification lists

• Final, as-built shop drawings

(ix) Shop drawings for wall switches, push button stations, timers, contactors, lighting control panels and dimmers shall include manufacturers literature, ratings, data, dimensions and schematic diagrams.

(c) Samples

(i) After shop drawing review, and prior to release for manufacturing, the Contractor shall furnish one sample of each fitting on the fitting schedule and contract drawings for which sample requirement is noted.

(ii) Shipping: The samples shall be complete with specified lamps and compatible control gear, ready for hanging, energizing, and examining, and shall be shipped, prepaid by the Contractor to the Department and Designer.

(iii) Two weeks from date of received shall be allowed for thorough examination of the samples by the Department and Designer.

(iv) Not returnable: Samples are not returnable, nor included in quantities listed for a project.

(v) Samples must be actual working unit of materials to be supplied.

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) (d) Products

(a) Fitting Construction (General)

(i) All materials, accessories, and other related fitting parts shall be new and free from defects which in any manner may impair their character, appearance, strength, durability and function, and effectively protected from any damage or injury from the time of fabrication to the time of delivery and until final acceptance of the work.

(ii) Sheet Metal Work: 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 any distortion after assembly.

(iii) Housings shall be so constructed that all electrical components are easily accessible and replaceable without removing fittings from mountings or disassembly of adjacent construction.

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

(v) All lamp holders in lighting fittings shall be suitable for the indicated lamps and shall be set so that lamps are positioned in optically correct relation to all lighting fitting components. If adjustable lamp holder positions are provided, lamp holder should be reset in factory for lamp specified. If different lamp holder positions are specified for same fitting, lamp holders shall be preset for each type, and cartons marked accordingly.

(vi) All fittings shall be completely wired at the factory.

(vii) Mounting Frames and Rings: If ceiling/wall system requires, each recessed and semi-recessed fitting shall be furnished with a mounting frame or ring compatible with the ceiling/wall in which they are to be installed. The frames and rings shall be one piece or constructed with electrically welded butt joints, and of sufficient size and strength to sustain the weight of the fitting.

(viii) Light Leaks between ceiling/wall trims of recessed lighting equipment and the ceilings/walls will not be tolerated. If fitting is used in partially transparent ceiling/wall, light leaks above the ceiling/wall line will not be acceptable.

(ix) Stirrups, brackets and supplementary supporting members needed to mount lighting fittings to carrier channels or other suitable ceiling members shall be furnished and installed by the Contractor.

(x) Outdoor Fittings: Fittings for use outdoors or in areas designated as damp locations shall be suitably gasketed to prevent the entrance of moisture. Provide approved wire mesh screens for ventilation openings.

(xi) Hardware: For steel and aluminum fittings, all screws, bolts, nuts and other fastening and latching hardware shall be cadmium or equivalent plated. For stainless steel fittings, all hardware shall be stainless steel. For bronze fittings, all hardware shall be stainless steel or bronze.

(xii) Temperature: All fittings and control gear must operate within the temperature limits of their design and as specified by IEC or applicable local requirements, in the applications and mounting conditions herein specified.

(xiii) Adjustable Angle Fittings: Each lighting fitting which has a beam angle adjustment shall have reliable angle locking devices.

(xiv) Oval Beam Fittings: Each lighting fitting which has a lamp with an oval shape beam pattern shall contain lamp orientation locking devices to insure that beam orientation is not disturbed during fitting lamp replacement or cleaning.

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) (xv) Spread Lens Fittings: Each light fitting which has a spread lens shall contain lens orientation

locking devices to insure that lens orientation is not disturbed during future lamp replacement or cleaning.

(e) Reflectors & Trims

(i) Installation: Reflectors, reflector cones and visible trim of all lighting fittings shall not be installed until completion of plastering, ceiling tile work, painting and general clean-up. They shall be carefully handled to avoid scratching or finger printing and shall be, at the time of acceptance by the Department, Architect and Designer, completely clean.

(ii) All silver anodized parabolic cones 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.

(b) Lenses

(i) Plastic for lenses and diffusers shall be formed of colorless 100% Plexiglas or polycarbonate as manufactured by 'I.C.I.' or by 'Elkamet". The quality of the raw material must equal or exceed IEC 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.

(ii) Plexiglas plastic lenses and diffusers shall be properly cast, molded or extruded as specified, and shall remain free of any dimensional instability, discoloration, embrittlement, or loss of light transmittance for at least 15 years.

(iii) Where optical lenses are used, they shall be free from spherical and chromatic aberrations and other imperfections, which may hinder the functional performance of the lenses.

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

(v) All lenses shall be turned over to the Department clean and free of dust.

(c) Finishes

(i) Painted Surfaces: Synthetic enamel, with acrylic, alkyd, epoxy, polyester, or polyurethane base, light stabilized, baked on at 350 degree Fahrenheit minimum, catalytically or photo-chemically polymerized after application.

(ii) White finishes: minimum of 85 percent reflectance.

(iii) Ceiling/wall opening frames shall either be manufactured of non-ferrous metal, or be suitably rustproof after fabrication.

(iv) Selection: Unless otherwise noted, finishes shall be as selected by the Department.

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

(vi) Unpainted non-reflecting surfaces shall be satin finished and coated with a stoved clear lacquer to preserve the surface. Where aluminum surfaces are treated with an anodic process, the clear lacquer coating may be omitted.

(d) Lamps

(i) All lamps shall be LED in accordance with Green Building norms.

(e) CLEANUP

(i) At the time of final acceptance by the Department, all lighting fittings 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 operative.

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) (f) Specifications for General light fixtures

(i) All light fixtures shall be LED having LM79 and LM80 certification from NABL accredited laboratory and relevant approved IES files for Dialux. Before dispatch of approved light fixtures, third party test shall be carried out by NABL accredited lab and the test reports shall be submitted

(ii) The Service Life of the fixture including driver/control gear should be minimum 50,000 burning hours.

(iii) The CRI of the fixture should be minimum 80 unless otherwise mentioned for both indoor applications and outdoor applications.

(iv) The THD should be less than 10%.

(v) The housing of the indoor fixtures should be extruded aluminium/CRCA.

(vi) For outdoor fixtures the housing shall be of high pressure die cast aluminium.

(vii) The IP category should be IP20 or higher for indoor applications and IP65 or higher for outdoor applications.

(viii) The IP category of light fixtures used in entire basements should be IP65 or higher.

(ix) The Surge Protection to be provided conforming to relevant IS standards/IEC 61643-II Class-2 & EN 61643-II Type-2.

(x) The manufacturer’s name/logo should be engraved/embossed on the housing/body or Name/Logo on aluminium plate labels or Name/logo printed on housing/body.

(xi) The warranty period on complete luminaire including driver/control gear, LED, all accessories should be 5 years from the actual date of completion of work.

(xii) PG / SD corresponding to IEI package will be released as follows

(a) 50% of the performance Guarantee shall be refunded to the contractor soon after the completion of the work and recording of the completion certificate.

(b) 50% of the Performance Guarantee shall be retained as Security Deposit.

(c) 50% of the Performance Guarantee shall be retained as Security Deposit plus 2.5%

Security Deposit already deducted from running bills (Total 2.5+2.5- 5% ) shall be refunded year wise proportionately .

(xiii) All Items except LED bulb/LED fitting shall be guaranteed for a period of one years.

(xiv) The Power factor should be 0.95 or higher.

(xv) All light fixtures (internal/external) and drivers shall be BIS certified. The manufacturer shall submit BIS certificates with respective R codes for each fitting and driver for approval before execution.

(xvi) Before execution, the contractor should get light level calculations from the supplier after selection of fixtures.

(xvii) The fixtures shall be selected as required as per Reflected Ceiling Plan.

Specifications for Specialized light fixtures For Senior officer’s Cabin, conference room &

meeting rooms, Main Entrance Lobby/Reception

(i) The CRI of the fixtures used in should be minimum 90.

(ii) LED binning < 3-Step Mac Adam (iii) UGR<19

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) (iv) All fixtures shall be with prismatic diffuser.

(v) All light fixtures shall be LED having LM79 and LM80 certification from NABL accredited laboratory and relevant approved IES files for Dialux. Before dispatch of approved light fixtures, third party test shall be carried out by NABL accredited lab and the test reports shall be submitted

(vi) The Service Life of the fixture including driver/control gear should be minimum 50,000 burning hours.

(vii) The THD should be less than 10%.

(viii) The housing of the indoor fixtures should be extruded aluminium/CRCA.

(ix) The IP category should be IP20 or higher for indoor applications and IP65 or higher for outdoor applications.

(x) The Surge Protection to be provided conforming to relevant IS standards/IEC 61643-II Class-2 & EN 61643-II Type-2.

(xi) The manufacturer’s name/logo should be engraved/embossed on the housing/body or Name/Logo on aluminium plate labels or Name/logo printed on housing/body.

(xii) The warranty period on complete luminaire including driver/control gear, LED, all accessories should be 5 years from the actual date of completion of work.

(xiii) The Power factor should be 0.95 or higher.

(xiv) All light fixtures (internal/external) and drivers shall be BIS certified. The manufacturer shall submit BIS certificates with respective R codes for each fitting and driver for approval before execution.

(xv) Before execution, the contractor should get light level calculations from the supplier after selection of fixtures.

(xvi) The fixtures shall be selected as required as per Reflected Ceiling Plan.

Lux Level Requirements

(i) The number of fittings shall be provided to maintain required lux level as well as to maintain the aesthetic look.

(ii) Number of fittings shall be provided on the basis of average illumination range for different areas mentioned below subject to maximum LPD specified in CPWD internal specification 2013 & ECBC 2017 (ECBC+ Building).

(iii) Internal Lighting Levels:

Lighting shall be based on following average lighting level considerations, which are as per NBC-2016:

Area / Space Average Illumination Range in Lux

Type of Lamps

Type of fixtures

Staircases, Corridors, Refuge Area 100 -150 LED

As per

drawing/

Lift Lobbies, Entrance Lobbies, Waiting

Areas 200-250 LED

Service Areas / Utility Areas Such as Electrical Room, Pump Room, Plant

Room/Stores 200-250 LED Reflected

Ceiling Plan Basements (Garages) Internal Parking

areas

30-50 LED

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) At work-station areas/ Auditorium/Meeting

Rooms/ Conference Rooms/Cabins 350-400 LED

Canteen/Cafeteria/Dining 200-250 LED

Dormitories/Guest Rooms 150-200 LED

(iv) External Lighting:

Area / Space Average Illumination Range

in Lux

Type of Lamps / Fixtures

Road & outdoor Parking

Areas 15 – 20 Lux LED Lamps Street light fixtures

Mounted on 6 to 7m High poles or as required.

Path & Landscape areas Aesthetical Consideration LED

Facade As per Aesthetic Intent LED

(a) Compound Lighting to be provided with LED lighting placed on Octagonal Poles at suitable height & spacing along the Road and Boundary Wall.

(b) Gates of the campus are to be provided with appropriate Illumination as per Architectural Considerations.

(c) The bracket of streetlight shall be of the same make of street light pole.

(d) The Electrical panel board for outdoor lights shall be with programmable Logic Timer controller.

(V) Facade and Landscape Lighting

a) The Horticultural work, Landscaping, Water Bodies, Facade Lighting to be provided with appropriate illumination as per aesthetic considerations.

b) Facade and Landscape lighting shall be state-of-the art through a professional lighting designer.

The intent shall be to showcase the architectural elements of the building during night time from the arterial roads leading into the building,

c) The area that shall be facade liter:

Facade

Main entrance to the building.

Art work on site Waterbodies

(d) The contractor shall prepare and submit façade lighting views along with fixture details before execution of work for approval from Engineer in charge

(vi) Fans:

a. Ceiling fans with electronic regulator in non-AC area and 400 mm wall fans should be provided in each cabin /room/ work areas as per prescribed norms.

b. ISI marked pedestal fans /wall fans shall be used only in areas where using ceiling fans is not possible.

Internal & External Lighting Fixture Details

(i) Color temperature of the light fixtures shall be decided area wise at the time of execution. All fittings proposed should be available in 3000/ 4000K/5600K/6000K/6500K for indoor

Addition: NIL Correction: NIL Overwriting: NIL Deletion: NIL AE (E)(P) AE(P) EE (P) fixtures depending on the functional usage of the space concerned. The preferred CCT shall be 4000K for indoor spaces.

(ii) For outdoor fixtures the CCT shall be 6000K/6500K.

(iii) Color Temperature of fixtures used for façade lighting and landscape lighting shall be approved by the Department.

(iv) All the light fixtures used for indoor applications should be available with DALI Dimmable driver option.

(v) Different types of fittings are required in different areas. Specifications of different type of fittings have been mentioned below to provide reference to the bidding parties on the design intent and the energy efficiency. These fixtures are for reference only. Any other fixture with specification mentioned below or better out of the mentioned makes maybe used subject to

(v) Different types of fittings are required in different areas. Specifications of different type of fittings have been mentioned below to provide reference to the bidding parties on the design intent and the energy efficiency. These fixtures are for reference only. Any other fixture with specification mentioned below or better out of the mentioned makes maybe used subject to

In document AE (E)(P) AE(P) EE (P) (Page 34-46)