Electrical Maintenance and Renovation work for Deans Office Complex Main Building Ground Floor at IIT Kharagpur.

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

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

4 X 10 sq mm + 2 X 6 sq mm for earth wire

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

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 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

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.

6 Module

1 or 2 Modular

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

6 amp call bell switch push pull type

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 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 (19 mm )

2 X 10 sq mm (19 mm )

2 X 16 sq mm ( 22 mm )

4 X 10 sq mm (25 mm )

4 X 16 sq mm (28 mm )

3.5 X 25 sq mm (28 mm )

3.5 X 35 sq mm (32 mm)

3.5 X 50 sq mm (35 mm)

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.

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 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 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

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

Four Pole

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 & fixing of LED fittings 2 ft X 2 ft, 240 Volt, Lumen ≥ 3600, Efficacy ≥ 120 Lm/ Watt, Power Factor ≥ 0.9, CCT ≥ 6500 K, CRI ≥ 80, THD max. 15%, IP 20, 120 degree beam angle, Metalic housing equivalent to Philips Model RC380B LED365-6500 G6 L60W60 PSU OD S1 with necessary connection from the existing Light point. All the luminaires should be warranted for 3 years at the site free of cost. Permanent numbering of LED luminaires is mandatory during installation at the site. Preferred Make:- Havells/Philips/Jaquar/Wipro/Lighting Technologies/Equivalent approved by Engineer-in Charge

Supplying & fixing of Wall mounted pvc fan 400 mm sweep 1450 rpm with roof control speed regulator air dalivary 40cc / sec ,double balbearing,Milky White Colour etc. Make:- Usha / CG /Havells/Bajaj /Equivalent approved by EIC

Sypplying & fixing of 8 Modular Mini call Bell control board with Indicator type

Supplying and fixing of 40 Amp FP 415 V change over ( MCB module) for DG line on din rail of existing DBs/enclosure box and necessary connection as required.

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

Supply, Installation, Testing and Commissioning of 1200 mm sweep, BEE 5 star rated, ceiling fan with Brush Less Direct Current (BLDC) Motor, class of insulation: B, 3 nos. blades, 30 cm long down rod, 2 nos. canopies, shackle kit, safety rope, copper winding, Power Factor not less than 0.9, Service Value (CMM/W) minimum 6.85, Air delivery minimum 215 CMM, 350 RPM (tolerance as per IS : 374- 2019), THD less than 10%, electronic regulator unit for speed control and all remaining accessories including safety pin, nut bolts, washers, temperature rise=75 degree C (max.), insulation resistance more than 2 mega ohm, suitable for 230 V, 50 Hz, single phase AC Supply, earthing ,wall colour matching (Light Yellow) including Suitable length of extra ceiling fan down rod heavy guage( Simplex ) etc. complete as required with 3years years on site replacement warranty the ceiling fan.Preferred Make-Atomberg / R.R.Kabel /Halonix/Approved by EIC (Buy Back Process)

Supplying and fixing of fansof the following sizes &types:-

Low noise plastic body Exhaust fan of 250 mm sweep,1250 rpm with double ball bearing with Guard. Warrenty 2year.Preferred Make-Orient / Usha/Havells/CG/Approved by EIC