Electrical modification and renovation work at General Furnace Shed, CSIR-CGCRI, Kolkata.

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

2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

4 X 4 sq. mm + 2 X 4 sq. mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

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

Supplying and drawing following pair 0.5 sq mm FRLSPVC insulated annealed copper conductor, unarmored telephone cable in the existing surface/ recessed steel/ PVC conduit as required.

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing metal box of following sizes (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc as required.

100 mm X 100 mm X 60 mm deep

150 mm X 150 mm X 60 mm deep

180 mm X 100 mm X 60 mm deep

Supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required.

5/6 amps switch

15/16 amp switch

Telephone socket outlet

Supplying and fixing metal box of 150mm X 75mm X 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 3 pin 5/6 amps socket outlet and 5/6 amps piano type switch, connection, painting etc. as required. (For light plugs to be used in non residential buildings).

Supplying and fixing metal box of 180mm X 100mm X 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 6 pin 5/6 & 15/16 amps socket outlet and 15/16 amps piano type switch, connection, painting etc. as required.

Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required.

Providing and fixing following rating and breaking capacity and pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required.

125 Amp, 36 KA FP MCCB

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 volts, 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)

6 Way, Double door

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 volts, 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)

8 way (4 + 24), Double door

Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 volts, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, with provision of MCCB as incommer (but without MCCB) as required .

8 way, Double door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, 10KA, "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.

Single pole

Triple pole

Triple pole and neutral

Supplying and fixing following rating, 415 volts, "C" curve, FP miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

40/63 Amp 10KA Tripple pole

40/63 Amp 10KA Four pole

Supplying and fixing FP sheet steel enclosure on surface/ recess along with 16/25/32amps 415 volts "C" curve FP MCB complete with connections, testing and commissioning etc. as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

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

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required.

Above 185 sq. mm and upto 400 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Upto 35 sq. mm (clamped with 1mm thick saddle)

Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.

Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3½ X 240 sq. mm (62mm)

4 X 35 sq. mm (32mm)

Finishing of end termination with proper size of pin / ring type copper solderless socket by crimping method of following sizes PVC insulated copper conductor

1 x 2.5 sq. mm

1 x 4 sq. mm

1 x 6 sq. mm

1 x 16 sq. mm

1 x 35 sq. mm

Welding charges

Supply of 1.1 KV grade following PVC insulated Armoured cable confirming the IS 7098 (Part 1) 1988 specification:-

3.5 Core 240 sq.mm. Al. Cable.

3 Core 1.5 sq.mm. copper cable.

4 Core 35 sq.mm. copper cable

Supply of 1.1 KV grade following PVC insulated PVC sheathed cable of confirming the IS 694 :2010 specification:-

4 Core 2.5 sq.mm. copper cable.

4 Core 4 sq. mm. copper cable.

4 Core 6 sq. mm. copper cable.

4 Core 10 sq. mm. copper cable.

4 Core 16 sq. mm. copper cable.

Supply and fixing of following single phase exhaust fans (Crompton greaves make or equivalent strictly approved by engineer in charge)

18 inch (450mm) metal body heavy duty-1400RPM

Supply and fixing of good quality shutter on the outside surface of the following exhaust fans

For 45 cm (18 inch ) exhaust fan.

Supply of Pedastal fan of following sizes:-

500 mm sweep (heavy duty)

Supply of Fibre Glass Double side 14 Step (14 feet) Ladder

Marking of switch boards, DB's, MCB's cables etc, by stencil/nylon sticker after completion of work and providing detailed/ single line drawing before commencement of the work and.Providing detailed/single line drawing after completion of the work.

Supply & fixing of of following indoor type LED Light fittings with extra high efficiency 120-150 lumens/watt LEDs. The fixture must have of CRI > 80, Colour temperature 6000K/6500K and weather & dust proof with 3 years or more warranty.

42 Watt 595 mm x 595 mm recess mounted

Supplying, Erection, testing and commissioning of floor mounted cubical type factory assembled dust and vermin proof fully segregated and compartmentalized following L.T. Panels suitable for 440V, 50 Hz, AC, having protection of IP 42 degree and CPRI approved. All dimentions and technical specifications are mentioned in Annexure I. GA and schematic drawing (General notes and legends, SLD, BOM, Control Circuit etc.) to be submitted before fabrication.

L.T. sub-distribution Panel ( overall dimension not more than in mm. W x H x D = 3000 x 1850 x 900)

CALCUTTA POWER CONSTRUCTION CO.