Annual Maintenance of Electrical Installation Air conditioning and allied installations work at the faculty fishery Sciences chakgaria under South 24 Parganas Electrical Division PWD Special Repairing of EI Restoration of breakdown

Dismantling the existing old and damaged TPNDB- 2 nos and SPNDB-3 nos after disconnecting all the incomer and out going connections carefully and mending good the damages as to GS.

Straigh through Jointing of cable of different size by compound jointing kit including S&F ferrul, tapes and jointing materials (Brand approved by EIC) 2.1) 3½ / 4 core 25-35 sqmm cable

3½ / 4 core 50 sqmm cable

Supply and delivery of 1.1 KV grade 4 core 35 sq. mm PVC/Ar. Almn. Cable ) Make- Gloster/Polycab/ RR Kable)

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.

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required. 5.1) 40 mm dia

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables incl. Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materialsas below 6.1) 4 core 35 sqmm cable

4 core 50 sqmm cable

S&F 415 V, Horizontal type, TPN MCB DB (4-way) with SS enclosure double-door with IP-42/43 protection, with cable-end box at both ends & Four Pole Isolators as incomer and SPMCBs ('C' Curve, 10 KA) as outgoing, concealed in wall after cutting the wall & mending good the damages to original finish incl. Interconnection with suitable size of copper wire and neutral link & provision for earthing attachment as per GS. Incoming 63 A FP Isolator -1 No, Outgoing 6-32A SPMCB-12 no. (Make:Legrand/Siemens/ABB) .

S&F 250V, SPN MCBDB (2+12) way with SS enclosure double-door (Ivory White with IP-42/43 protection with DP Isolators as incomer and SPMCBs ('C' Curve, 10kA) as outgoing, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment as per GS. INCOMING-40 A DP Isolator, OUTGOING-12 Nos. 6-10A SPMCB (Make - Legrand/Siemens/ABB).