Providing sub meter for BOI for renting purpose and Electrical installations for proposed CSC at CTO building, Kolkata.

Sub-Head I : WIRING

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit alongwith 1 No. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

Wiring for light/ power plug with 4X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit alongwith 2 Nos. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

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.

a) 2 X 1.5 sq. mm +1X 1.5 sq. mm earth wire

b) 2 X 4 sq. mm +1X 4 sq. mm earth wire

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required.

a) 3 x 1.5 sq. mm

b) 4 x 1.5 sq. mm

Supplying and fixing following size/ modules, Gl box alongwith modular base & cover plate for modular switches in recess etc. as required.

12 Module (200mmX150mm)

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.

a) 3 pin 5/6 A socket outlet

b) 5/6 A switch

Supplying, fixing of 3 phase Multifunction Meter (HPL EMFIS-203 Cat No.PMEMCN5L CDAT-VAFPE or SS) panel mounted, i/c suplying and fixing of 03 nos. 100/5A CTs with with connections, testing, checking etc. dismantling of the necessary cabling and busbars, providing interconnections with suitable size wires etc. complete as reqd.

Supplying and fixing PVC caping casing of following sizes complete with all accessories on the surface of wall etc. complete as required.

20mmx12mm

25mmx12mm

Sub-Head II : MCBDBs & Panel

Supplying and fixing of following ways, horizontal type, TPN sheet steel MCB distribution board 415 V on surface/ recess complete with tinned copper bus bar, neutral bus bar, earth bar, din bar interconnections, powder painted including earthing etc. as reqd (but without MCB/ RCCB/ Isolator)

a) 4 way (4 +12), Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "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.

a) Single pole

Supplying and fixing single pole blanking plate in the existing MCB DB complete etc. as required.

Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

SITC of powder coated indoor cubical sheet steel floor mounting type MV panel, fabricated out of 16SWG CRCA sheet mounted with complete accessories suitable for operation on 415Volts, 3Phase, 4Wire, 50Hz., AC supply with required numbers of cable gland knockouts on top and bottom for cable entry, control fuses, indicating lamps, CTs, etc.& all inter connections i/c minor civil works etc.as required having following incoming & outgoing switches & accessories etc.as required

INCOMING SWITCHES

125 Amp TPN SDFU- 01No. (Make: L&T type SK95001 or SS BSNL appd. Make)

3Nos LED type indicating lamp with toggle switches and control fuses - 2 sets

3 phase Multifunction Meter (HPL EMFIS-203 Cat No.PMEMCN5L CDAT-VAFPE or SS BSNL approved make) : 01 no

CT with ratio 100/5A , class 1 accuracy : 03 nos.

Out going switches

32 Amp TPN SDFU- 02 Nos. (Make: L&T type SK95703 or SS BSNL appd. Make)

63 Amp TPN SDFU- 04 Nos. (Make: L&T type SK95704 or SS BSNL appd. Make)

BUSBAR

Three phase & neutral busbar made of aluminium suitable for 200Amp.

Panel shall be got manufactured from a CPRI approved panel manufacturer.

Colour coding of incoming & outgoing switches shall be different, so that the incoming switches as well as outgoing switches may be identified on the basis of their colours.

Indicating lamp shall be 25mm dia series resistance type (LED type).

Resin cast insulator shall be provided for busbar support at suitable points.

The electrical grade bakelite sheet partition will be 3 mm thick.

Earth strip made of 20mmx3mm tinned copper should be provided all around the panel.

Base channel (75x50x6mm nominal size) should be provided & shall be installed over angle iron framework.

The panel should have cable ventilation system with wire netguards

The panel shall be mounted on floor on the angle iron frame of suitable size.

Drawing of the above panel should be got approved from Engineer-in-charge before ordering the panel for fabrication.

Supply & fixing of the 200 Amp. 4 pole, 36 KA, Molded case circuit breaker with suitable size sheet metal enclosure i/c painting etc and making necessary interconnection complete as reqd. [For Power supply to LT Panel from Substation] (make L& T model DU250 or SS make )

Supplying and fixing Cable End Box (Loose Wire Box) suitable for triple pole and neutral, sheet steel, Vertical MCB distribution board, 415 Volts, on surface/ recess, complete with testing and commissioning etc. as required.

Sub HEAD III - Cable laying

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.

a) upto 35 sq. mm (clamped with 1mm thick saddle)

b) Above 35 sq.mm and upto 95 sq. mm (clamped with 25mmX 3mm 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.

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

b) Above 35 sq.mm and upto 95 sq. mm (clamped with 25mmX 3mm 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.

a) 3½ X 25 sq. mm

a) 3½ X 35 sq. mm

b) 3½ X 50 sq. mm

Supplying and installing following size of perofrated painted with powder coating M.S cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors,suspended from the ceiling with M.S suspendersincluding bolts & nuts, painting suspenders etc as reqd.

a ) 100mm width X 50mm depth X 1.6mm thickness

b) 150mm widthX 50mm depth X1.6mm thickness

Providing and fixing 6 SWG dia G.l. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/cable as required.

Physical checking , meggaring ,cutting from drum and transportation i/c loading and unloading of PVC insulated and PVC sheathed XLPE aromoured Al conductor cable of 1.1 KV grade of size and length : 35 sq mm - 300 mtr & 50 sq mm - 400 mtr from TE Berhampore to CTO building etc complete as required.

SHARMA INDUSTRIES (BID ID -759376)