REPAIR/MAINTENANCE TO FLAMEPROOF FITTINGS CABLE TRAY, DUCT COVER AND CONNECTED WORKS AT BHISIANA UNDER GE (AF) BHISIANA

Supply and fixing in replacement of LED tube light fitting, 1 × 20/22 Watt, approximately 1200 mm (4 feet) long, complete with co-extruded polycarbonate (PC) body and diffuser, white acrylic cover, environment-friendly, pre-wired, suitable for 230 V AC, 50 Hz, single-phase supply, complete with LED driver, mounting clips, screws and all standard accessories. The item shall include fixing the fitting in position and making electrical connections using suitable size flexible copper conductor cable from the existing wiring/terminal, testing and commissioning, complete in all respects and following specifications and directed by the Engineer-in-Charge:- (a) Lumen system efficacy of luminaire should be minimum 110 Lumen per watt. (b) Input Voltage range : 140 to 270 volts. (c) Temp operating range : Minus 5°C to Plus 45°C (d) Power factor : Minimum 0.95 (e) THD : Current THD Max10% and voltage THD max 5% (f) IP rating : IP-20. (g) LED Driver of the same make as of the luminaire. (h) LED driver should be complete with all protections viz open/short circuit protection, over voltage protection, all as per standard design of manufacturer. (j) Surge protection minimum 2.5 kV. (k) CCT : Minimum 6000K (l) CRI : Minimum 80 (m) Rated life time : 50000 burning hrs @L70 (Average 10 to 12 hrs daily)

Supply and fixing of outdoor decorative LED Post Top Lantern luminaire. The housing shall be constructed from heavy-duty spun aluminium / die-cast aluminium combining an integrated high-efficiency thermal management heat sink. Equipped with a high-transmittance, UV-stabilized PMMA (Acrylic) diffuser for glare-free symmetrical light distribution. Complete with a 7W to 10W high-efficiency LED bulb / integrated LED engine, Color Temperature: 4000K, operating on 240V, 50Hz AC supply. System shall have minimum IP65 ingress protection, impact resistance, internal driver, and necessary mounting accessories suited for installation on a pole/post top complete all as specified and as directed by Engineer-in-Charge.

Taking down carefully existing flame proof point wiring (light/fan point) any type complete with all accessories including steel conduit, junction box, inspection box etc and removing from site and making good disturbed surface of walls/ceiling etc complete all as specified and as directed.

Material and labour for surface type Flame proof Point wiring (using red, black and green colour wires as colour coding for single phase circuits for light/fan points) complete with 1.5 Sqmm (nominal cross section area) Single Core copper conductor (Flexible) Halogen Free Flame Retardant HFFR compound Insulated Industrial Cables (Unsheathed), 1100 Volt Confirming to IS 17048 for main point and for continues as earth wire connected to earth dolly etc. (Phase, neutral and earth wire) drawn through and including flame proof rigid stove enamelled black ERW conduit suitable nominal dia as required at site but not less than 20 mm nominal dia with all flame proof fittings and accessories i.e. flame proof pipe joint, pipe bend, union, reducer, nipple, pipe hook, inspection elbow, junction box LM6 protection any way, Screws, GI saddles, clamps, connectors etc, including making good disturbed surfaces of walls/ceiling/floors etc. by using CM (1:3) complete all as specified and as directed. Note : (i) Rotary switch, Switch Socket and Plug Combined Unit, Flexible conduit, DB and MCB shall be measured and paid separately under appropriate item of BOQ).

Material and labour for surface type Flame proof Point wiring (using red, black and green colour wires as colour coding for single phase circuits for light/fan points) complete with 2.5 Sqmm (nominal cross section area) Single Core copper conductor (Flexible) Halogen Free Flame Retardant HFFR compound Insulated Industrial Cables (Unsheathed), 1100 Volt Confirming to IS 17048 for main point and for continues as earth wire connected to earth dolly etc. (Phase, neutral and earth wire) drawn through and including flame proof rigid stove enamelled black ERW conduit suitable nominal dia as required at site but not less than 25 mm nominal dia with all flame proof fittings and accessories i.e. flame proof pipe joint, pipe bend, union, reducer, nipple, pipe hook, inspection elbow, junction box LM6 protection any way, Screws, GI saddles, clamps, connectors etc, including making good disturbed surfaces of walls/ceiling/floors etc. by using CM (1:3) complete all as specified and as directed. Note : (i) Rotary switch, Switch Socket and Plug Combined Unit, Flexible conduit, DB and MCB shall be measured and paid separately under appropriate item of BOQ).

Material and labour for supply and fixing on surface of walls/ceilings/floors, as applicable, of 25 mm nominal diameter flameproof rigid stove-enamelled black ERW steel conduit, complete with all necessary and compatible flameproof conduit fittings and accessories, including flameproof pipe joints, bends, unions, reducers, nipples, bushes, inspection/access fittings where required, pipe hooks, GI saddles, clamps, screws, fixing hardware, cutting, threading, bending, alignment etc. The work shall further include taking down and removal of existing/old conduit/pipe complete with fittings, and making good all disturbed surfaces of walls, ceilings and floors with cement mortar (1:3), including finishing to match the adjoining surface, Complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for supply, laying and drawing-in of 2.5 Sqmm (nominal cross-sectional area) single-core copper conductor, flexible, Halogen Free Flame Retardant (HFFR) compound insulated industrial cable (unsheathed), rated 1100 Volt and conforming to IS 17048, of colour as directed, in existing steel conduit as applicable, including termination and making connections at all points, provision of all necessary lugs, ferrules, sleeves, insulating materials and other accessories required for proper and safe termination, complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for surface sub main wiring (Three run i.e. 1 x phase and 1 x neutral and one run for continues as earth wire connected to earth dolly etc., using red, black and green colour wires as colour coding) complete with 4 Sqmm (nominal cross section area) single core FRLSH PVC insulated unsheathed and multi strand copper conductor cable 1100 V grade, conforming to IS 694:2010, drawn through and including 25 mm nominal diameter flameproof rigid stove-enamelled black ERW steel conduit, complete with all necessary and compatible flameproof conduit fittings and accessories, including flameproof pipe joints, bends, unions, reducers, nipples, bushes, inspection/access fittings where required, pipe hooks, GI saddles, clamps, screws, fixing hardware, cutting, threading, bending, alignment etc. The work shall further include taking down and removal of existing/old conduit/pipe with wires and complete with fittings, and making good all disturbed surfaces of walls, ceilings and floors with cement mortar (1:3), including finishing to match the adjoining surface, Complete all as specified and as directed by the Engineer-in-Charge. Note :-Three run of copper wire and one run conduit shall be measured as one RM length for payment but extra length of cables required for connection to MCBs/DB shall not be measured and the cost for the same and cost for conduit fittings shall deemed to be included in the unit rate.

Supply and Fixing in replacement of a Flameproof (FLP) & Weatherproof (WP) Interlocked Switch Socket and Plug Combined Unit Wall/Structure mounting, specifically designed for hazardous environments, Pressure Die-Cast Aluminum Alloy LM6, 16A, 250V AC, Single Phase, 2 Pole + Earth (2P+E), IP65 or IP66, Zone 1 & 2 (Gas Group IIA & IIB / IIC ), with all necessary accessories, including gland plates and earthing terminals, meeting IS: 2148-2004, CIMFR/PESO Certified for flameproof equipment complete all as specified and as directed.

Supply and Fixing in replacement of a Flameproof (FLP) Rotary Switch (ON/OFF), specifically designed for hazardous environments, Pressure Die-Cast Aluminum Alloy LM6, 16 Amp, Single Pole (SP), 250V AC, Integrated Flameproof terminal chamber for easy wiring, IP65 or IP66, Zone 1 & 2 (Gas Group IIA & IIB), Compliance with IS: 2148-2004, CIMFR/PESO Certified for flameproof enclosures complete all as specified and as directed.