Electrical regular maintenance work of academic campus area for updating the electrical complaints work on Complaint Portal at IIT Kharagpur.

overhauling and servicing of ceiling fan/exhaust fan/wall fan/ pedestal fan by checking the wire insulation,connection and applying new grease to the bearing, oil seal cleaning & oiling, replacement of bushes and shafts, nuts & bolts,safety pin, insulator etc as required.

Complete rewinding of faulty fans with overhauling and servicing and applying new grease to the bearing, oil seal cleaning & oiling, replacement of bushes and shafts, nuts & bolts,safety pin, insulator,flexible wire etc as required.of following size as per standard code of practice with equivalent/approved SWG GR-1 super enamelled copper wire.after cleaning of all types of fans.Make: RR Shramik/Eqv. Approved by EIC

Ceiling fan (48")

Ceiling fan (56")

Exhaust fan (9")

Exhaust fan (12")

Exhaust fan (15")

Exhaust fan (18")

Exhaust fan (24")

Wall fan (16")

Air circulate Wall fan (24")

Pedestal fan (16")

Pedestal fan (24")

Supplying and replaceing of Shaft & bush of all size of different type of fans.

Supplying and replacing of following sizes of faulty bearing with proper greasing.

Bearing 6201

Bearing 6202

Bearing 6203

Bearing 6204

Dismantling of ceiling fan and painting the same with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade,including cleaning of surface with detergent and replacing the damage rubber reel,nut and bolts with washers and safety pins capacitor,reinstalling the same as required. Complaints given by Department.

Supplying and replacing of following sizes of faulty condenser of metal body of EPCOS/ Havells/ approved by EIC

Capacitor of 1.5 MFD

Capacitor of 2.0 MFD

Capacitor of 2.25 MFD

Capacitor of 2.5 MFD

Capacitor of 3.15 MFD

Capacitor of 4.0 MFD

Capacitor of 6.0 MFD

Capacitor of 8.0 MFD

Capacitor of 10.0 MFD

Capacitor of 15.0 MFD

Capacitor of 20.0 MFD

Capacitor of 60/80 MFD

Capacitor of 80/100 MFD

Capacitor of 100/120 MFD

Numbering of all fans as requried

Replaceing of rubber bush, nuts & bolts with washer and safety pin of different size.

Replaceing of GI nuts and bolts with washer.

Supplying and fixing of 145 degree centregrate thermister in wall fan.

Supplying and fixing of following size of exhaust fan blade.

Upto 12" exhaust fan.

Upto 15" exhaust fan.

Upto 18" exhaust fan.

Supplying and fixing of 48"ceiling fan blades(3 nos)

Supplying and fixing of ceiling fan cannnopy.(2 nos)

Supplying and fixing for pvc blade for wall fan/pedestal fan.

Fixing exhaust fan 230mm sweep 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 .

Installation of exhaust fan in the existing opening, including making good the damage, connection, testing, commissioning etc. as required. Upto 450 mm sweep

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

23 cm Exhaust fan (9")

30 cm Exhaust fan (12")

38 cm Exhaust fan (15")

45 cm Exhaust fan (18")

Supply and fixing of 40mm dia. 1mr. Long GI (Medium, ISI) fabricated wall bracket with suitable size GI sadle, fastner etc.

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)

b) Low noise Metalic body Exhaust fan 225 mm sweep,1350 rpm with double ball bearing with Guard. Warranty: 2 year,

c) Low noise Metalic body Exhaust fan 300 mm sweep,1350 rpm with double ball bearing with Guard. Warranty: 2 year,

d) Low noise Metalic body Exhaust fan 450 mm sweep,960 rpm with double ball bearing with Guard. Warranty: 2 year,

e) Low noise 200mm,1250 rpm Plastic body Exhaust fan with 2 year warranty

f) Low noise 250mm,1250 rpm Plastic body Exhaust fan with 2 year warranty

Supply, Installation, Testing and Commissioning of 1200 mm sweep, BEE 5 star rated, ceiling fan with 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 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 , colour milki white including Suitable length of extra ceiling fan down rod heavy guage etc. complete as required with 3years years on site replacement warranty the ceiling fan.Preferred Make-USHA/Havells/Khaitan/CG/Bajaj/Approved by EIC (Buy Back Process)

Supply and fixing of PCB unit of BLDC fan for fixed regulator type of existing fitted Havells/Atomberg make BLDC fan with one year on site replacement gurantee

Supply and replacing of damaged stator assembly complete unit of existing fitted Havells/Atomberg make BLDC fan (fixed regulator type) with one year on site replacement gurantee

To attend emergency complaints/ DG sets Look after (with One Skilled and One Un-Skilled worker) in office working hours or any Shift duty and any other task as assigned by EIC/SIC etc in complete as required (daily 8 hrs).

Fixing of LED Batten Tube Light/ Out side LED Light/Surface down LED Light/Electronic Driver on the existing fixture as per complaints given by Departments.

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

a) Supply and fixing of 4ft, 24 Watt, 6500K, lumen output>100Lumen/Watt, P.F>0.9, high power retrofit LED tube with 2 years warrenty

c)Supply and fixing 4 ft 20w 6000k, Output 2200, efficacy>=110lm/W, ultra slim round profile LED lighting fixture with extruded polycarbonate, environmental friendly, energy efficient 2 years warrenty

d) Supply and fixing of 7 Watt, 6500K, lumen output-100Lumen/Watt, p.f.>0.9, high power LED bulb with B22 cap with 2 years warrenty

d) Supply and fixing of 25 Watt down Round LED Light, 6500K, lumen output-100Lumen/Watt, p.f.>0.9, with 2 years warrenty

Supply and fixing of 25-36 W LED street light, pressure die-cast aluminium IP66, 5700k, 240V, Efficacy>= 105 lm/watt, in-built electronic driver with APFC & THD<=10%. Output Short-Circuit, Over Voltage, Surge Protection.=>= 5 KV CRI >= 70, appoved by EIC. Note : Contractor should given 2 years guarantee of total LED set like driver, lamp etc. after commissioning at site 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 as required. Make LED Light Havells,CG,Philips,Jaguar,Eveready/Approved by EIC.

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

5/6 Amps switch

2 Way 5/6 amps switch

15/16 amp switch

3 pin 5/6 amp socket outlet

6 pin 15/16 amp socket outlet

Bell push

Switch type step electronic mini fan regulator

Socket type electronic fan regulator (Step type)

Supplying and fixing bakelite batten/angle holder including connection etc. as required.

Supplying and fixing call bell/ buzzer suitable for single phase, 230 volts, complete as required.

Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required Preferred Make:- Crabtree/Hager Insysta/Legrand Myline range/MK/Equivalent approved by Engineer-in Charge.

Supplying and fixing 3 pin, 5 amp ceiling rose including 3 inch x 3 inch PVC box/ wooden block with connection etc as required. Preferred Make:-Anchor/SSK/Equivalent approved by Engineer-in Charge.

S&F of modular type 1M stepped electronic fan regulator on existing board with all connection as required.

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. Preferred Make:-Crabtree Athena range/Hager Insysta/Legrand Myline range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge

Supplying and fixing of 20/25 Amps Plug Top on the existing modular Socket including connections as required . Preferred Make:-Crabtree/Wipro/Legrand/MK/Equivalent approved by Engineer-in Charge

Wiring for light point / ceiling fan point /wall fan point including 6 amp 3 pin socket/call bell point / exhaust fan point with 1.5 sq mm FRLS /HFFR 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/HFFR PVC insulated copper conductor single core cable etc as required. Preferred Make ( Wire,1.1 kV ):-Finolex/RR Kabel/Polycab/Havells/KEI/Equivalent approved by Engineer-in Charge Preferred Make (Switch,Socket,Blank plate etc):-Crabtree Athena range/Hager Insysta/Legrand Myline range/MK (Wraparound Plus)/Equivalent approved by Engineer-in Charge Preferred Make ( MMS Pipe):-Prestoplast/Precision/AKG/ Anchor/Equivalent approved by Engineer-in Charge

Upto 6 metres.( Group A )

Wiring for circuit / submain wiring alongwith earth wire with the following sizes of FRLS/HFFR PVC insulated copper conductor , single core cable in surface / recessed medium class PVC conduit as required . Preferred Make ( Wire,1.1 kV):- Finolex/RR Kabel/Polycab/Havells/KEI Preferred Make ( MMS Pipe):- Presto plast/Precision/AKG/ Anchor/Equivalent approved by Engineer-in Charge

2 X 1.5 sq mm + 1 X 1.5 sq mm for earth wire

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

2 X 4 sq mm + 1 X 4 sq mm for earth wire

2 X 6 sq mm + 1 X 6 sq mm for earth wire

2 X 10 sq mm + 1 X 6 sq mm for earth wire

2 X 16 sq mm + 1 X 6 sq mm for earth wire

4 X 2.5 sq mm + 2 X 2.5 sq mm for earth wire

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

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

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

1 or 2 Module (75 mm X 75 mm )

3 Module (100 mm X 75 mm )

4 Module (125 mm X 75 mm )

6 Module (200 mm X 77 mm )

8 Module (125 mm X 125 mm )

12 Module (200 mm X 150 mm )

Supplying and fixing following modular switch / socket on the existing modular plate & switch box including connections but excluding modular plate etc as required. Preferred Make:- Crabtree Athena range/Hager Insysta/Legrand Myline 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

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/HFFR PVC insulated copper conductor single core cable etc as required.

Supplying and fixing of extra conduit down rod of 20 cm Length (heavy gauge) GI pipe 15 mm dia 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.)

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 rust free 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 (rust free clamped with 1 mm thick rust free saddle)

Above 35 sq mm and upto 95 sq mm (rust free clamped with 25 X 3 mm rust free MS flat clamp)

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. Preferred Make:-ARUN/Dowells/3M /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 )

3.5 X 70 sq mm (38 mm )

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. Preferred Make:- Legrand/Hager/L&T/Siemens/Schneider/ABB/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. Preferred Make:-Legrand /Hager/L&T/Siemens/Schneider/ABB Equivalent approved by Engineer-in Charge

Single Pole

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. Preferred Make:-Legrand /Hager/L&T/Siemens/Schneider/ABB/Equivalent approved by Engineer-in Charge

TriplePole

Four Pole

Supplying and fixing of Molded Case Circuit Breaker,415 Volt, of Breaking capacity 25 kA/35kAwith Icu = Ics (for 1 sec),adjustable overload setting (Thermal Magnetic) with two sets copper spreader terminals suitable for inductive load of following poles in the existing MCB/MCCB DB/SMDB or in enclosure complete with connections, testing and commissioning etc. as required. Preferred Make:- Legrand /Hager/L&T/Siemens/Schneider/ABB Equivalent approved by Engineer-in Charge

125 Amps, Four Pole

160 Amps, Four Pole

200 Amps, Four Pole

250 Amps, Four Pole

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. Preferred Make:-Crabtree Athena range/Hager Insysta/Legrand Myline range/MK (Wraparound Plus)/ Equivalent approved by Engineer-in Charge

Supplying & Fixing of AC Controller having one no 6 way SPN DB double door + two no Contactor 25 A 2 no of like Hager Preferred Make Cat no- ESC 225 + one no FM-1 /Quartz daily or Time clock 110 VAC Base/Din Mounting Like EH 111 Hager Preferred Make + internal wiring with 4 sq mm circuit including connection with Existing AC unit,painting etc.as required.Preferred Make-Legrand/L&T/Hager/Equivalent approved by EIC.

Supplying & Fixing of FM-1 Quartz daily or Time clock 110 VAC Base/Din Mounting Like EH 111. in existing AC controller unit Preferred Make- Hager/L&T/Legrand/Equivalent approved by EIC.

Supplying & Fixing of 25 Amp 2 NO Contractor.In existing AC controller unit Preferred Make- Hager/L&T/Legrand/Equivalent approved by EIC.

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. Preferred Make (Pipe):- GI Pipe TATA (Medium) /Bansal (Medium)/Jindal (Medium)/Equivalent approved by Engineer-in Charge

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. Preferred 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.

Supplying and Fixing DP/4P Sheet Steel Enclosure on surface/recess complete with connection, testing and commissioning etc.as required with out MCB/MCCB Preferred Make:- Legrand /Hager/L&T/Siemens/Schneider/ABB/Equivalent approved by Engineer-in Charge

Two Pole Enclosure for MCB

Four Pole Enclosure for MCB

Providing and fixing of lightning conductor finial,made of 25 mm dia 300 mm long, GI tube, having single prong at top, with 85 mm dia 6 mm thick GI base plate including holes etc, complete as required

Providing and fixing GI tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.( For horizontal run)

Providing and fixing GI tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.( For Vertical run)

Providing and fixing testing joint,made of 20 mm X 3 mm thick GI strip,125 mm long, with 4 nos rust free GI bolts, nuts,check nuts and spring washers etc,complete as required .

Supplying & Fixing of Four pole terminal for extention of existing electrical cable as where required of following rating, Preferred Make- -Legrand /Hager/L&T/Siemens/Schneider/ABB/Equivalent approved by EIC.

Up to 40 Amp

Above 40 Amp to 100 Amp

Above 100 Amp to 250 Amp

Above 250 Amp to 400Amp

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