Electrical Annual Maintenance Work in Institute Main Building, different Departments/Centres/Schools, NCRC etc. under Institute Academic area and STEP Gopali at IIT Kharagpur.

Amount

Wiring for light point / fan point /call bell point / exhaust fan point with 1.5 sq mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable size GI box and earthing the point with 1.5 sq mm, 1.1 kV, FRLS PVCinsulated copper conductor single core cable etc as required. Make( FRLS Wire,1.1 kV):-Finolex/RR Kabel/Polycab/Havells/KEI/Equivalent approved by Engineer-in Charge Make (Switch,Socket,Blank plate etc):-Crabtree Athena range/Wipro Nova/Legrand Myrius range/MK (Wraparound Plus)/Equivalent approved by Engineer-in Charge Make ( MMS Pipe):-Prestoplast/Precision/AKG/Equivalent approved by Engineer-in Charge

Upto 6 metres.

Above 6 metres .

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 . Make ( FRLS Wire,1.1 kV):- Finolex/RR Kabel/Polycab/Havells/KEI Make ( MMS Pipe):- Presto plast/Precision/AKG/Equivalent approved by Engineer-in Charge

2 X 1.5 sq mm + 1 X 1.5 sq mm for E.C.C

2 X 2.5 sq mm + 1 X 2.5 sq mm for E.C.C

2 X 4 sq mm + 1 X 4 sq mm for E.C.C

2 X 6 sq mm + 1 X 6 sq mm for E.C.C

2 X 10 sq mm + 1 X 6 sq mm for E.C.C

2 X 16 sq mm + 1 X 6 sq mm for E.C.C

4 X 4 sq mm + 2 X 4 sq mm for E.C.C

4 X 6 sq mm + 2 X 6 sq mm for E.C.C

4 X 10 sq mm + 2 X 6 sq mm for E.C.C

4 X 16 sq mm + 2 X 6 sq mm for E.C.C

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. Make (MMS Pipe):-Presto plast/Precision/AKG/Equivalent approved by Engineer-in Charge

Supplying and drawing following sizes of FRLS PVC insulated 1.1 kV grade copper conductor single core cable in the existing surface /recessed steel / PVC conduit as required. Make (Wire):- Finolex/RR Kabel/Polycab/Havells/KEI/Equivalent approved by Engineer-in Charge

2 X 1.5 sq mm +1 X 1.5 sq mm for E.C.C

2 X 2.5 sq mm +1 X 2.5 sq mm for E.C.C

2 X 4 sq mm +1 X 4.0 sq mm for E.C.C

2 X 6 sq mm +1 X 6.0 sq mm for E.C.C

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

75 mm X 75 mm X 60 mm deep

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

200 mm X 125 mm X 60 mm deep

Supplying and fixing following sizes / modules ,GI box along with modular base & cover plate for modular switches in recess etc as required. Make:- Crabtree Athena range/Wipro Nova/Legrand Myrius range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge.

1 or 2 Module

3 Module

6 Module

12 Module

Supplying and fixing following modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required. Make:- Crabtree Athena range/Wipro Nova/Legrand Myrius range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge.

5 /6 Amps Switch

15 /16 Amps Switch

3 pin 5 /6 Amps Socket Outlet

6 pin 15 / 16 Amps Socket Outlet

Supplying and fixing Two Module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required. Make:-Crabtree Athena range/Wipro Nova/Legrand Myrius range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge

Supplying & Fixing suitable size GI box with modular plate and cover in front on surface or in recess,including providing and fixing 25 Amps modular socket outlet and 25 Amps modular SP MCB, "C" curve including connections,painting etc.as required. Make:-Crabtree Athena range/Wipro Nova/Legrand Myrius range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge

Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required Make:- Crabtree/Wipro/Equivalent approved by Engineer-in Charge.

Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required. Make:-Anchor/SSK/Equivalent approved by Engineer-in Charge.

Installation , testing and commissioning of pre- wired, fluorescent fitting /compact fluorescent fitting/LED fittings of all types complete with all accessories and tube etc. directly on false ceiling / wall including connection with 3 X1.5 sq mm FRLS PVC insulated copper conductor single core cable and earthing etc as required.

Installation, testing and commissioning of pre-wired,fluorescent fitting /compact fluorescent fitting of all types,complete with all accessories and tube/lamp etc., including supplying and fixing ball and socket arrangement,2 Nos. down rods of 20 mm dia X 1.6 mm thick steel conduit upto 30 cm length, painting and wiring the down rods and connections with1.5 sq. mm FRLS PVC insulated,copper conductor, single core cable and earthing etc. as required.

Fixing only outdoor / street light type fluorescent light fitting complete with all accessories to be fixed/projected from the wall of the building incl. making holes to building, S&F 40 mm dia. GI pipe(ISI-Medium) 1.50 mts. average length, with GI socket at one end and thread at the other end & suitable bend to house the fitting & making necy. connections with S&F necy. length of 3 X1.5 sq mm FRLS PVC insulated single core copper wire and making connections as required and mending good damages to wall & painting.( Materials Department Supply)

Supplying and fixing extra down rod of 10 cm length G.I. pipe ,15 mm dia, heavy gauge including painting etc. as required. (Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored)

Installation , testing and commissioning of wall fan/ ceiling fan including wiring the down rods of standard length (upto 30 cm ) with 3 X1.5 sq mm FRLS PVC insulated copper conductor single core cable etc as required.

Providing and fixing of extra conduit down rod of 20 mm dia (heavy gauge), 2 X 10 cm length, wiring with 3 X 1.5 sq mm single core FRLS PVC cu cable including cutting, threading and painting etc as required.(Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored.)

Installation of exhaust fan in the existing opening including of all hardwares & making good the damage connection, testing, commissioning etc. complete as required.

Upto 450 mm Sweep

Extra for fixing the louvers / shutters complete with frame for a exhaust fan of all sizes.

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:

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 incl. S+F of 1 X 10 SWG GI wire for E.C.C making holes and manding good the damages to original finish incl painting.( Cable Dept supply)

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

Above 35 sq mm and upto 95 sq mm (clamped with 25 X 3 mm 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 along with S+F of 10 SWG GI wire as earth wire as required.

Upto 35 sq. mm (clamped with 1mm thick saddle @ 3 sets per metre.)

Above 35 sq. mm and upto 95 sq. mm (clamped with 25 X 3mm MS flat clamp @ 3 sets per metre.)

Laying of cable as below after Cutting Floor/Pavement/Wall and making holes incl embedding the cable at an average depth as below and mending good the damages to original finish incl S+F of 1 X 10 SWG wire for ECC (Cable Dept Supply)

From 2.5 sq mm to 35 sq mm at an average depth of 75 mm in floor/ pavement/wall etc.

Above 35 sq mm to 95 sq mm at an average depth of 100 mm in floor/ pavement/wall etc.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 kV grade of following size Direct in Ground including excavation, sand cushioning, protective covering @ 8 bricks per metre on each cable and refilling the trench etc. as required.

Upto 35 sq. mm

Above 35 sq. mm and upto 95 sq. mm

Laying and fixing 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 incl mending good the damages to original finish. (Cable Dept Supply). This includes S+F 10 SWG GI earth wire for cables.

Upto 35 sq mm .

Above 35 sq. mm and upto 95 sq. mm

Supplying and making End Termination with brass compression gland and lugs for following size of PVC insulated and PVC sheathed/XLPE aluminium conductor cable of 1.1 kV grade as required. Make:-ARUN/Dowells/Equivalent approved by Engineer-in Charge

2 X 6 sq mm

2 X 10 sq mm

2 X 16 sq mm

4 X 10 sq mm

4 X 16 sq mm

3.5 X 25 sq mm

3.5 X 35 sq mm

3.5 X 50 sq mm

3.5 X 70 sq mm

3.5 X 95 sq mm

Earthing with perporated GI Earth Pipe 4.5 mtr long, 40 mm dia including accesssories and providing masonary enclosure with cover plate having locking arrangement and watering pipe etc for any type of soil (Morrumed/ boldered soil) with charcoal/coke,salt and also pouring of shifted loose soil as required and as instructed by the EIC. Make (Pipe):- GI Pipe TATA (Medium) /Bansal (Medium)/Jindal (Medium)/Equivalent approved by Engineer-in Charge

5.4 Earthing with G.I. Earth Plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc.for any type of soil (Morrumed/boldered soil) with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.All Joints should be done after 4"over lapping of the strips and by welding only.

Supplying and Fixing Earth Busbar of G.I.Flat 25 mm X 6 mm on wall having clearance of 6 mm from wall incl. providing drilled holes on busbar complete with G.I. blots, nuts, washers, spacing heavy duty insulators etc as required.

Providing and fixing Hot dipped 6 SWG dia GI wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required for GI pipe earthing & others.

Earthing with Copper Earth Plate 600 mm X 600 mm X 3 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and 40 mm dia. GI (medium gauge) watering pipe of 2.7 metre long etc for any type of soil (Morrumed/boldered soil) with charcoal / coke and salt as required. Make (Pipe):-TATA (Medium) /Bansal (Medium) /Jindal (Medium)/ Equivalent approved by Engineer-in Charge

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.All Joints should be done by Brazing only after 4" overlapping the strips or as decided by the Engineer.

Providing and fixing Earth Bus of 50 mm X 5 mm copper strip on surface on two no heavy duty insulators for connection etc. as required.

Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required for copper plate earthing.

Supply and Fixing medium gauge Gi pipe (ISI-Medium) protection for cable entry including bending the pipe to the required shape complete as required with laying of wire/cable through pipe. Make:-Medium size TATA/Bansal/Jindal/Equivalent approved by Engineer-in Charge

Supplying and fixing DP sheet steel Enclosure on surface/recess along with 25/32 Amps,415 V "C" curve DP MCB complete with connection, testing and commissioning etc.as required. Make:- Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Supplying and fixing TPN sheet steel Enclosure on surface/recess along with 16/25/32 Amps,415 V "C" curve TPN MCB complete with connection, testing and commissioning etc.as required. Make:-Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for two/four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment

Two Pole Enclosure for MCB

Four Pole Enclosure for MCB

Supplying and fixing MCCB SS Enclosure with IP20/30 protection, powder coated provision for housing Four pole (4P) MCCB, concealed in wall after cutting the wall & mending good the damages to original finish / on flat iron frame incl. painting, connection & provision for earthing attachment

Four Pole Enclosure for 160 A MCCB

Supplying and fixing 20 Amps,240 Volt SPN Industrial type socket outlet,with 2 pole and earth,metal enclosed plug top alongwith 20 Amps,"C"curve,SP,MCB, in sheet steel enclosure,on surface or in recess with chained metal cover for the socket out let and complete with connections,testing and commissioning etc,as required. Make:- Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Supplying and fixing 20 Amps,415 Volt TPN Industrial type socket outlet,with 4 pole and earth,metal enclosed plug top alongwith 20 Amps,"C"curve,TPN,MCB,in sheet steel enclosure,on surface or in recess with chained metal cover for the socket out let and complete with connections,testing and commissioning etc,as required. Make:-Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Supplying and fixing 32 Amps,415 Volt TPN Industrial type socket outlet,with 4 pole and earth,metal enclosed plug top alongwith 32 Amps,"C" curve, TPN,MCB, in sheet steel enclosure,on surface or in recess with chained metal cover for the socket out let and complete with connections,testing and commissioning etc,as required. Make:-Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Supplying and fixing 63 Amps,415 Volt TPN Industrial type socket outlet,with 4 pole and earth (3P +N+E+FP),metal enclosed plug top alongwith 63 Amps,"C" curve, TPN,MCB, in sheet steel enclosure,on surface or in recess with chained metal cover for the socket out let and complete with connections,testing and commissioning etc,as required. Make:-Legrand (5078 64/4086 83)/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Fixing only 240V SPN/415V TPN Sheet Steel Main Switch or DP/TP/FP sheet steel enclosure or SP/TP Industrial Plug,Socket directly on surface / recessed /on flat iron legs on wall along with required DP/TP/FP MCB including necessary connection, testing as required. (Enclosure/Main switch / Industrial Socket : Department supply ).

Supplying and fixing following way, Single Pole and Neutral, IP- 43, sheet steel, MCB distribution board, 240 V, 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) Make:-Legrand/Hager/L&T/Equivalent approved by Engineer-in Charge

6 Way , Double door

8 Way , Double door

12 Way Double door

Supplying and fixing of following ways surface/ recess mounting, Horizontal type, IP-43,415 V, 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, din bar for mounting MCBs (but without MCBs and incomer) as required. Make:-Legrand/Hager/L&T/Equivalent approved by Engineer-in Charge

4 Way (4 + 12), Double door

6 Way (4 + 18), Double door

8 Way (4 + 24), Double door

Supplying and fixing of following ways surface/ recess mounting, Vertical Type,IP-43, 415 V, 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, din bar for mounting MCBs (but without MCBs and incomer) as required. (Note : Vertical type MCB TP DB is normally used where 3 phase outlets are required.) Make:-Legrand/L&T/Hager/Equivalent approved by Engineer-in Charge

4 Way (4 + 12), Double door

8 Way (4 + 24), Double door

12 Way (4 + 36), Double door

Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB Incomer 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 & provisionfor earthing attachment Up to 160A

4 Way Double door (Enclosure - 6079 13) Make:- Legrand (6079 13) /Hager/L&T/Equivalent approved by Engineer-in Charge

8 Way Double door (Enclosure - 6079 14) Make:- Legrand (6079 14) /Hager/L&T/Equivalent approved by Engineer-in Charge

12 Way Double door (Enclosure - 6079 15) Make:- Legrand (6079 15)/Hager/L&T/Equivalent approved by Engineer-in Charge

Fixing of followings directly on surface / recessed /on flat iron legs on wall including necessary connection as required. ( DBs/ switch fuse unit : Department supply ).

SPN MCB DB (4 to 16 way)

TPN MCB DB (4 to 12 way)

Supplying and fixing 5 Amps to 32 Amps 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. Make:- Legrand/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Single Pole

Double Pole

Triple Pole

Triple Pole and Neutral

Supplying and fixing 40 Amps to 63Amps rating, 240/415 V,10 kA,“C”curve, Miniature Circuit breaker suitable for inductive load of following poles in the existing MCB DB or in enclosure complete with connections, testing and commissioning etc. as required. Make:-Legrand (4085 98/4086 39/4086 61/4087 02)/Hager/L&T/Siemens/Schneider/ Equivalent approved by Engineer-in Charge

Single Pole

Double Pole

Triple Pole

Four Pole

Supplying and fixing 80 Amps rating, 240/415 V, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB or in enclosure complete with connections, testing and commissioning etc. as required. Make:- Legrand (4086 40/4086 02/4087 03)/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Double Pole

Triple Pole

Four Pole

Supplying and fixing 100 Amps rating, 240/415 V, 10 kA, “C” curve, Miniature Circuit Breaker suitable for inductive load of following poles in the existing MCB DB or in enclosure complete with connections, testing and commissioning etc. as required. Make:-Legrand (4086 41/4086 63/4087 04)/Hager/L&T/Siemens/Schneider/Equivalent approved by Engineer-in Charge

Double Pole

Triple Pole

Four Pole

Supplying and fixing 415 V Four Pole MCCB of Breaking capacity 25 kA/35 kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting with two sets copper spreader terminals in existing DBs / enclosure and necessary connection

100 Amps,Four Pole

125 Amps, Four Pole

160 Amps, Four Pole

200 Amps, Four Pole

250 Amps, Four Pole

Dismantling of Light Fitting / Fans / SPN DB/ TPN DB/Main Switch /Main Supply Panel / existing old wiring,cable etc and shifting to site store including mending good damages to original finish.

Light Fitting/Celling Fan/Wall Fan/Exhaust Fan/Industrial plug & Socket DB/Metal Enclosure etc.

TPN DB/SPN DB/Main Switch etc.including accessories & old cable/Wiring

Medium Size main supply Panel etc. including accessories & old cable/Wiring

Pawan Electricals

SAHA ELECTRICAL WORKS

M/S SANJAY ELECTRICAL