Electrical Installation Work for Providing Backup Power Supply from Existing 20 KVA Diesel generator set to ADM(G) and ADM(D) Bungalow

Supply & Deliver of XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make - RR kabel/Havells]. (Enclose Test Report)

S&D of 4 core 16 sqmm from DG to bus bar

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed (F-2/1a)

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting (F-1/2b)

Laying of cable as below, after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as below and mending good the damages to original finish incl. removing the rubbish From 2.5 sqmm to 35 sqmm at an average depth of 75 mm in floor/pavement/wall etc. (F-3/5)

Laying only Cable upto 50 sqmm through existing RCC/Hume/ GI Pipe/open masonary trench for single, 2, 3, 3½ & 4 core

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 40 mm dia (F-6/11)

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of 4 core 35sqmm XLPE/PVC armoured cable (F-4/7)

4 core 16sqmm

Finishing the end of 4 core 35sqmm XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials (F-5/8b)

4 core 16sqmm

Supplying & fixing sheet metal (16 SWG) Iron Clad Busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required – (As per Drawing no. 470 of PWD Specification Book – May 1991) 4 bars, 415 V, 125 A

Supplying and fixing 32A 415V, TPN SFU with sheet steel enclosure on angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required

3x36/0.3 (2.5 sqmm) + 2x22/0.3 (1.5 sqmm) as ECC

4 x 56/0.3 (4 sqmm)

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts (Neutral)

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe (Equipment)

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc

Excavation of soil for installation of Earth Electrode and filling & ramming

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