Electrification of air compressor room at South Block of NALCO Mines, Damanjodi

Amount

Transportation of cable from mines central store to south block and laying of one number of 1.1 kV grade, 3.5 core, 95 sqmm, PVC insulated and PVC sheathed / XLPE power cable of following sizes direct in ground including excavation in hard rock or all kind of soil with trench size of 300 mm wide and 800 mm deep, sand cushioninig of 100 mm height, protecting cover with burnt clay/fly ash bricks on the top and refilling of trench with excavated soil. Cable shall be supplied by NALCO as free issue material.Shifting of cable from Mines central store to Mines work site is under the scope of the vendor. Brick shall be supplied by NALCO free of cost at Refinery unit and the transportation of brick and supply of sand is under the scope of contractor.

Transportation of cable from Mines Central Store to South Block and laying of one number of 1.1 kV grade, 3.5 core, 35 sq mm, PVC insulated and PVC sheathed / XLPE power cable direct in excavated trenches. Cable shall be supplied by NALCO as free issue material.Shifting of cable from Mines central store to Mines work site is under the scope of the vendor.

Supply of items and termination of 1.1 KV grade, 3.5 core, PVC insulated and PVC sheathed / XLPE power cable of size 95 sq. mm. Double compression, flame proof, brass cable glands, aluminium lugs, other materials and required tools for completing the job of one end of the cable (one set) shall be supplied by the contractor.The glands/lugs shall be of Dowell/Jainson/Comet/Braco/Multi make only.

Supply of items and termination of 1.1 KV grade, 3.5 core, PVC insulated and PVC sheathed / XLPE power cable of size 35 sq. mm. Double compression, flame proof, brass cable glands, aluminium lugs, other materials and required tools for completing the job of one end of the cable (one set) shall be supplied by the contractor.The glands/lugs shall be of Dowell/Jainson/Comet/Braco/Multi make only.

Supply and Making of earth pits including earth excavation in hard soil of size 10 ft. X 2 ft. X 2 ft.or 6"dia x10 feet depth drill hole, resurfacing with black cotton soil, supply and preparation of chemical compound,positioning of high conductive rust free copper bonded earth electrode, clamping of electrode with copper clamp , supply and laying of 25x4 mm GI strip for connection between earth pit and equipment up to 10 mtr length,complete with brick chamber and RCC cover.Cement shall be supplied by Nalco free of cost but bricks, Chemical earthing materials/ground enhancing material ( minimum 50 kg per earth pit),copper bonded earth electrode(3 mtr long and min 17mm dia), Gel, steel rods and other materials required for chamber and RCC cover is included in the scope of the contractor along with numbering of pits and marking earth resistance and making the earth resurfacing. Make of earthing materials ERICO/OBO only.

Concealed wiring with supply and laying of HDPE/polythene pipe, BIS approved FR PVC insulated 1.5 sq. mm. multistrand, single core,copper flexible cable in the conduit. The wires shall be of make L&T, Finolex, Havells, Lapp, Polycab only. Colour coding shall be (1 RM=2x1.5 sqmm + 1x1.5 sq mm earth wire).

Concealed wiring with supply and laying of HDPE/polythene pipe, BIS approved FR PVC insulated 4sq. mm. multistrand ,single core,copper flexible cable in the consealed conduit. The wires shall be of make L&T, Finolex, Havells, Lapp, Polycab only. Colour coding shall be (1 RM=2x4 sqmm + 1x 4 sq mm earth wire).

Supply & installation of 240 Volt AC 18 W LED batten light fitting of surface or pendant mounting type having Cool Day Light with inbuilt surge suppressor including supply and fixing of 1 meter down rod, Ceiling roses and all accessories.Make Philips/Bajaj/GE/ /Havells/CGL/Syska only .

Supply & installation of 300 mm sweep metal exhaust fan with louvers,ceiling roses etc. Make Bajaj/ Usha/ Khaitan/ CG/ Havells only. It includes making of the suitable size holes in the wall & making good the same. All accessories required for installation of fan are in the scope of contractor.

Supply & fixing of flush mount, rust protected, GI sheet metal box of 18 module with hylem plate with cutting, making of the wall opening of req. size & making good the same as per requirement with fixing and supply of all grouting materials & fixing accessories.

Supply & fixing of 6 A, switch Anchor/ Legrand make including cutting of hylem sheets, wiring of the switches in the boards all complete

Supply & fixing of 6A, 5 pin socket Anchor/ Legrand make including cutting of hylem sheets, wiring of the switches in the boards all complete

Supply & fixing of 4 way MCB distribution boards IP 43 with metal door Model no. 5076 10 with 01 nos double pole 40 A RCBO (4113 27), Neutral & earth bus bars, covers for empty ways all complete wired up.All components shall be of Legrand make only.

ODISHA POWERCARE PRIVATE LIMITED

M/s Maa tarini Engineers

M/s RAJKISHORE MISHRA