Maintenance of IEI EEI to NR buildings under Sec II of E and M Sub Division during 2020 21 SW Laying of cables and installation of Distribution Boards for the installation of charging station for E Vehicle for PBND SAD CE at Central Workshop APWD

Amount

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required.

a) 4 X 16 sq. mm + 2 X 6 sq. mm earth wire

Supplying, installation, testing and commissioning of ASHLOK make SEE brand safe earthing electrode type-19, 50mm dia, length 2 mtrs (short time current -52.6 rms for 1 sec, peak-125.6) with back fill compound including providing masonary enclosure with cover plate having locking arrangement etc. as required.

Providing,laying and fixing following size double wall corrugated (DWC) HDPE pipe ISI marked on surface complete with fittings etc as required.

a) 50mm dia ( OD-50mm & ID-38mm nominal)

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

a) 4 way (4 + 12), Double door

Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.Make:- Havells or equivalent

a) 32 Amps, Four Pole

M/s G K Construction