Western Coalfields Limited Tender

3-2-24 (CSR 2023-24) Supplying ,installing , testing and commissioning tower type room AC unit of 3.5TR to 3.9TR minimum capacity suitable to operate on 415V, 50 Hz, A.C. supply having 1 no AHU and 1 no cabinet type floor mounting type condensing unit with refrigerant R32/410A & copper condenser coil with anticorrosive fins copper condenser, hydrophilic evaporator fins powder coated outer body, with scroll/rotary compressor connected with refrigerant pipes, electric cables and drain pipe. (Make- VOLTAS, DIAKIN, BLUE STAR, LLYOD, GODREJ, WHIRLPOOL, LG, O GENERAL, CARRIER MIDEA, HITACHI, MITSUBISHI, ETC)( Material of evaporator & condenser- Copper) (BEE Star Rating – 3 star minimum) (With remote)

7-2-32 (CSR 2023-24) Supplying, erecting & terminating FR XLPE insulated, galvanised steel wire armoured (round) cable 1100 V, 4 core 6 sq. mm. copper conductor complete erected with glands & lugs, on wall/ trusses/ pole or laid in provided trench/ pipe as per specification no. CB-LT/CU

5-4-19 (CSR 2023-24) Supplying & erecting triple pole and neutral distribution board (TPNDB), 3 pole MCCB as incomer & outgoing SP MCB (36 poles) or TP MCB of 12 ways (36 poles), with door, 1.2mm thickness, surface/flush mounted, on provided iron/GI frame (vertical busbar type) as per specification no. SW-SWR/MCBDB1 1) All MCBs shall have rated short-circuit breaking capacity not less than 10kA. 2) For erection of switchgears required angle iron/ GI frame shall be taken on basis of calculation according to the actual weight of the required frame size. 3) For more than 2 kW load RCCB shall invariably be provided & erected preferably in the same distribution board. (RCCB+MCB) or (RCCB+MCCB etc.). Separate box for RCCB/ELCB is not permissible. 4) DBs and allied switchgears must be of same make. 5) DBs with IEC 61439 part 1 & 3 and minimum IK 08 rating shall be preferred.