Maintenance and Servicing of HT Switch Gear and allied Electrical Installation and Repairing works at Jalpaiguri Govt. Engineering College, Jalpaiguri.

Amount

Testing of Indoor type ‘BIECCO’ make 3 panel HT Gear (having 3 Nos. OCB) with the help of 25000V Megger and necessary tools & tackles as per direction of EIC. i) Connection of relays of HT Gear protection with necessarry cables, socket, channel etc. and make proper protection setting using own tools and tackles. ii) Scraping of monoplast carbon and removing of insulating tape and Meggering the same and making good of the bus bar in original position. iii) Maintenance, Servicing and Overhauling the HT breakers and improve the operation and health of the OCBs and Charged them to their running condition taking all safety precautions.

Filling of new oil. If found that oil conditioned is in below the desire level , new transformer oil to be filled after checking the BDV,PPM of oil and all values to be submitted in the prescribed format duly sined by Authorized Supervisor.

Supplying and fixing 415 V, 125 A Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing DBs / enclosure and necessary connection. [Make:L&T /Legrand /ABB /SIEMENS /Schneider].

Providing & installation on hire basis following MCB DB on wooden plank board or suitable angle iron frame incl. Providing & installation inter-connection wiring with socketing, earthing attachment etc. and dismentaling at the of end function (with PWD / E.I.C. approved materials) (for 2 days)

240V, 2+12 Way SPNBDB With 6 - 32 amp SPMCB as Outgoing & 40/63 amp DPMCB as Incoming.

Supplying & Drawing on Hire Basis Single Phase Dist Wiring With 2.5/ 4/6 Sqmm with Earth Wire (1x 2.5 / 1x4) Sqmm Or its equivalent PVC copper wiring in suitable alkhathene pipe on the hire basis incl. dismantling the same per meter (for 2 days)

Supplying & Drawing on Hire Basis Single Phase Dist Wiring With 3X1.5 Sqmm with Earth Wire Or its equivalent PVC copper wiring in suitable alkhathene pipe on the hire basis incl. dismantling the same . Avg Run 10mtr.

Supplying, Providing & installation 1 no Seperate 6 amp plug and Switch with 150X100X65mm MS/TW switch Board on Hire basis and dismantaling the same.

Supplying & providing 1no Separate 20 amp plug and Switch with 150X100X65 mm MS/ TW switch Board on Hire basis and dismantaling the same.

Supplying, Providing & installation on hire basis 150-225 watt LED flood light fittings complete with bracket and clamps on the pole including dismantling incl. replacement of fused lamp (As per approved by E.I.C.) (for 2 days).

Supplying, Providing & installation single fluorecent fitting complete with tube, commercial type (4 ft) fitting on hire basis and dismantling the same (As per approved by E.I.C.) (for 2 days).

Supplying, Providing & installation on hire basis 240V, 1200 mm / 48" sweep ceiling fan with down rod as required & dismantling the same (for 2 days).

Supplying & providing on hire basis 240V, 600 mm / 24" sweep Air Circulater and dismantling the same after the end of programme.(for 2 days).

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Make- Havells/ Polycab/ RR Kabel/ KEI/Gloster) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finishing.

Average run 9 Mtr.

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Make- Havells/ Polycab/ RR Kabel/ KEI/Gloster) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 5A 3 pin flush type plug socket & Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. painting the MS box and mending good the damages to original finish.

On Board.

Supply & Fixing 240 V, 3 nos. 6A, & 1 no. 20A plug socket with separate 3 nos. 6 A & 1 no. 20A Piano key type switch, indicator & 20A switch type SP MCB (Make-Anchor) on sheet metal switch board embedded in wall incl. S & F 240x200x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required.

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Make-Anchor) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required.

Supplying and fixing of 2+6 way double-door SPN MCB Distribution Board with IP-42/43 protection, 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. [Make: L&T/ Legrand /ABB /SIEMENS /Schneider/ Havells].

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection [Make:L&T /Legrand /ABB /SIEMENS /Schneider].

240V, 32 A DP MCB Isolator.

Supplying and fixing 240/415 V, 6-32 A SP MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS [Make:Legrand /Schneider /Siemens /Crabtree/ L&T].

Supply and fixing of PVC inspection box of 175 x 100 x 65mm.

Supply and fixing of 20 mm dia PVC casing capping conduit [Precision Make].

Supplying and fixing 20 mm PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mending good damages to building works.

Supplying and Drawing of 3 x 22/0.3 (1.5 sqmm), 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Make- Havells/ Polycab/ RR Kabel/ KEI/Gloster) in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required.

Suppy & fixing of ceiling rose.

Supply & Fixing Socket type fan regulator (Step type) (Make- Anchor) on existing sheet metal switch board with bakelite/perspex top cover by screw after making housing for regulator knob by cutting bakelite/perspex top cover incl. making necy. connections etc.

Supply & fixing loop box of size 250mm x 200mm x 105mm (Sintex GSJB-2520) with half round clamp on pole and supply & fixing a best quality 32A, 4-pole barrier terminal and 6A SP MCB inside it including all accessories.

Supply & fixing of 21A, OLP3+ AC Machine Starter with 21 A DP MCB on sheet metal switch board embedded in wall incl. S & F 200mm X 150mm X 65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required.

Supply & Fixing of 240 V, 25 A, 3 pin Modular type plug socket [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia/L&K Entice], without plug top and switch with 2 Module GI Modular type switch board with top cover plate flushed in wall and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supply & Fixing of 240 V, 25 A, Modular type starter [Make: Legrand Myrius/ Crabtree Athena/ Schneider Livia/L&K Entice] with 25A Modular switch type DP MCB (C-Curve) and 4 Module GI Modular type switch board with 4 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

Fixing only 23 cm (9'') exhaust fan after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust fan.

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Make- Havells/ Polycab/ RR Kabel/ KEI/Gloster) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required.

2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) as ECC.

2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) as ECC.

2 x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 sqmm) as ECC.

Wiring in 1.1 KV grade single core stranded 'FR' PVC insulated & unsheathed copper wire (Make- Havells/ Polycab/ RR Kabel/ KEI/Gloster) of following sizes in 25mm PVC casing-capping (Precision make) incl. necy. PVC clips, fittings etc.

2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sqmm)

2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm)

Supply of 1.1kV grade 4 Core PVC/XLPE Insulated Armoured Aluminium Conductor cables of following sizes [Make: KEI/RR kabel/Polycab/ Havells/Gloster].

4 core 25 Sq.mm

2 core 10 Sq. mm

2 core 6 Sq. mm

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

Laying of cable upto 2 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.

Supplying & fixing 32 mm dia medium gauge GI Pipe (ISI-Medium) Protection with necessary fittings and jointing metarials as required.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

4 core 25 Sq.mm

2 core 10 Sq. mm

2 core 6 Sq. mm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials:

4 core 25 Sq. mm

2 core 10 Sq. mm

2 core 6 Sq. mm

Connecting the equipments to earth busbar including S & F GI (Hot Dip) Solid GI wire of 1 no. 08 SWG on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

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

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

Excavation of soil for installation of Earth Electrode and filling & ramming for morrum soil. For Soft Soil

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.

BIMALA ENTERPRISES (BID ID -7530569)

M/S R N ENTERPRISE (BID ID -7393088)