WBPWD/EE/CED/e-NIT-11/2025-26

Amount

Supply and installation of L.T. cubical type fully compartmentalized distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40x6 mm MS angle iron). The base of panel should be made with 75mm x 40mm x 4.4 mm M.S. channel. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel.

Construction Details :

All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, Aluminimum multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.

Incoming Arrangement :

a) 415 V, 400A Four Pole MCCB of Breaking capacity 50 kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make:L&T/Legrand/ Schenider /ABB /Siemens)- 1No.

b) 415 Volts, 400 A, on load front operated TPN changeover switch (open execution type) (Make: L&T/Legrand/ Schenider /ABB / Siemens)- 1No.

Bus bar section :

415 V, 600 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar Aluminium bus bar mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification - 1 set.

The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.

Outgoing Arrangement :

a) 415 V, 250 A Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make:L&T/Legrand/Schenider/ABB /Siemens)- 2 Nos.

b) 415 V, 200 A Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make:L&T/Legrand/Schenider/ABB /Siemens)- 3 Nos.

c) 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 enclosure and necessary connection (open execution type) (Make:L&T/Legrand/Schenider/ABB /Siemens)- 2 Nos.

d) 415 V, 63 A Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing enclosure and necessary connection (open execution type) (Make:L&T/Legrand/Schenider/ABB /Siemens)- 2 Nos.

e) E.I. Danger Board of suitable size ------- 1 no.

Metering Panel

c) Indicating LED Lamp with colour glasses showing (Red /Yellow /Blue/Amber) (Siemens/L&T/ABB/ SCHNEIDER) - 3 Nos.

d)500/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.

d)S & F 6 Amp SPMCB for auxiliary supply to meters (Make- SIEMENS/L&T/Legrand) - 1 no.

Interconnection :-

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pvc insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper Bar/Cable with proper socketing of the end of each wire leads.

Earthing :-

A separate continuous G.I. earth busbar of appropriate size is to be painted at the inside bottom of the panel and run across the full load of the panel board. All electrical equipment are to be properly earthed with suitable size G.I. strip.

The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.

Installation :-

The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C.

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

Earthing with 80 mm dia GI pipe (TATA-Medium) x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 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.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe.

Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S.

Supply & fixing earth busbar of galvanized (Hot dip) MS flat 65 mm x 8 mm on wall having clearence of 6 mm from wall incl. providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Insulating the 65x8 mm MS flat incl. S&F black heat shrink PVC sleeves etc. The PVC tube sleeve to be inserted on the GI flat and heat shrinked by heating apparatus by skilled technician carefully without damaging the PVC sleeve as per direction of the EIC (for transformer neutral earth bus bar)

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Dismantling the existing damaged panel and damaged LT cable and shifting the same to department store incl. proper dressing of all existing cable and mending good the damages as per direction of EIC

Supply & Fixing of 415 V, 300/315/320A Re-wirable Porcelain Cut-out fuse (Porcelain Fuse carrier & Base) on wooden block of appropiate size, comply with IS : 2086 including tinned-copper fuse wire conform to IS: 9962:1981, contact material should be annealed Electrolytic Copper duly electroplated with tin or silver of 8-10 micron thickness of plating, terminal blocks shall be made of solid brass/solid copper alloy. [Make- Anchor/HPL/Standard/Havells]

Supply of 2/4 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR /KEI/ Havells/ Gloster as approved by E.I.C]

4 Core 120 Sqmm

4 Core 300 Sqmm

Laying of one No. cable above 35 sqmm and upto 185 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 one No. cable above 185 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

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 120 Sqmm

4 Core 300 Sqmm

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 120 Sqmm

4 Core 300 Sqmm

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

50 mm dia

Supplying and fixing 4 Way double door Vertical TPN MCB (upto 160A) Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on 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]

Supplying and fixing 6 Way double door Horizontal TPN 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]

Supplying and fixing 415 V, 125A 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]

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS [Make : L&T/ Legrand/ ABB/ SIEMENS/ Schneider]

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

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) 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) ECC

Supply & Delivery of 220V, Single Phase, 50 Hz A.C heavy duty exhaust fan of following sizes having complete metal body. (Make- EPC/ USHA/Orient CROMTON) [BEE star rated]

300 mm (12"), 4 Blade, RPM ≤ 920 , Wattage ≤ 45 Watt, Sound level ≤ 46 dB, Air Displacement (In CFM) ≥ 750

Fixing only 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 of following diameter:

Supply & Fixing GI louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long)

For 30cm (12")

Note: 1) All the above rates should be quoted inclusive of all taxes, duties and all ancilery charges with cost of maintenance, servicing, supply & replacement of spares for 1 (One) year from the date of commissioning. 2) Total is rounded off to the nearest rupees.

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SHYAM ENTERPRISE (BID ID -6910675)