Annual Maintenance contract for day to day routine electrical maintenance and minor addition and alterations in Residential Zone buildings at IIT Madras campus for the year 2025-26

Amount

Labour charges for minimum 4 Qualified Electricians with & 4 Helpers and 1 Qualified supervisor with from 9.00 am to 6.00 pm from Moday to Saturday for rectification of faults in panel boards, distribution board, switch boards, all kinds of light fittings and fans, equipments and all accessories and making them in good working condition in all residential zone buildings as per terms & conditions in the annexure.

Labour charges for one meter reader cum technician for taking Electrical Energy Meter readings every month in both domestic and commercial buildings as instructed by the Engineer in-charge and preparing computerized statements with printouts and send the consumption & deduction details to the residents by e-mail in addition to receiving day to day complaints over phone and through online, allocating the work, closing of job card and online complaints etc.

Supplying of following accessories for replacement in item no.1 as and when required during the AMC period.

1200mm x 36 or 40 w fluorescent tube (Philips)

600mm x 18w fluorescent tube (Philips)

40 watts electronics ballast (Philips)

40w starter (Philips)

20w starter (Philips)

8-10W LED Bulb (Philips)

14W LED Bulb (Philips)

8-10W threaded /candle LED Bulb (Philips)

5 A 3 pin top (Anchor)

15 A 3 pin top (Anchor)

2.5 mfd fan condensor (KEIL / USHA)

PVC junction box / Cover / Round sheet

20A Metal clad socket top ( 2 pin & Earth)

Heating Element (Racold)

Thermostat (Racold)

3c x 4 sqmm flexible shielded copper cable

4c x 4 sqmm flexible shielded copper cable

Ceiling rose 3 pin 5 A (Anchor Make)

Telephone / LAN socket outlet modular type

TV antenna socket outlet modular type

PVC Batten / Angle holder (Anchor Make)

PIR Occupancy Sensor

PIR Occupancy Sensor With Day light dimming

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

5/6 A one way piano type switch

5/6 A two way piano type switch

15/16 A one way piano type switch

3 pin 5/6 A piano type socket outlet

6 pin 15/16 A piano type socket outlet

Bell Push switch piano type

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

5/6 A one way modular switch

5/6 A two way modular switch

15/16 A one way modular switch with indicator

3 pin 5/6 A one way modular type socket outlet

6 pin 15/16 A one way modular type socket outlet

Modular Bell push switch

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,

Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required.

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

Charges for removing the existing unused PVC / MS conduit wiring and connected switch boards etc from the existing location and to be handed over the same to store/dept. office.

Charges for checking the existing panel boards, distribution boards for any loose connections and checking the earthing from earth pit up to the distribution board and rectifying the fault for proper functioning without any interruption.

Charges for cleaning the fans, fittings, switch boards, panels and other electrical accessories with required cleaning agents.

Rewinding of 1200 / 1400 mm sweep ceiling fans using enameled copper wire of same gauge, varnishing and required accessories like changing of Ball Bearings, Condensor, Condensor Clamp and making the fan working condition .The rate should be inclusive of transportation and the warranty of the workmanship should be minimum six months.

Rewinding of 300 / 450 mm sweep Pedestal / Exhaust fans using enameled copper wire of same gauge, varnishing and required accessories like changing of Ball Bearings, Condensor, Condensor Clamp and making the fan working condition .The rate should be inclusive of transportation and the warranty of the workmanship should be minimum six months.

Repair & Servicing of 1200 / 1400mm sweep AC Ceiling Fans including cost of changing of Ball Bearings, Condensor, Condensor Clamp and necessary connection.

Charges for making temporary connections to pump motors / streetlights / Residential buildings in case of existing cable failure by laying copper / aluminium wires from the nearest source of supply with energy meter if required. (Necessary wires and meter has to be supplied by the contractors and removed after making permanent connections)

Earthing with GI earth plate 600x600x6mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7m long etc with charcoal/coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

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

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Labour charges for checking the earth electrode as and when required as directed by the concerned engineer at site using suitable earth megger and tools & plant and submit the printed report or log sheet/book. The charges inclusive of pouring of the water after checking the earth electrode.

Wiring for light point/ fan point/ exhaust fan point / call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch/regulator, modular plate, suitable GI / PVC box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required. (Group B)

Wiring for twin control light point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, 2 way modular switch, modular plate, suitable GI / PVC box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required. (Group B)

Wiring for circuit/submain wiring along with 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 runs of 1.5 sq.mm and 1 run of 1.5 sqmm cable

2 runs of 2.5 sq.mm and 1 run of 2.5 sqmm cable

2 runs of 4.0 sq.mm and 1 run of 4 sq.mm cable

2 Runs of 6.0 sq.mm and 1 run of 6 sq.mm cable

2 Runs of 10.0 sq.mm and 1 run of 6 sq.mm cable

4 runs of 4.0 sq.mm and 2 runs of 4 sq.mm cable

4 runs of 6.0 sq.mm and 2 runs of 6 sq.mm cable

4 runs of 10.0 sq.mm and 2 runs of 6 sq.mm cable

Supplying and drawing of following sizes FRLS PVC insulated copper conductor single/ multi strand cable in the existing surface/ recessed cable management system / casing capping / PVC steel conduit as required.

3 runs of 2.5 sq.mm

3 runs of 4.0 sq.mm

3 Runs of 6.0 sq.mm

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

Supplying and drawing co-axial TV cable RG-6 grade, 0.7 mm solid copper conductor PE insulated, shielded with fine tinned copper braid and protected with PVC sheath 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 & fixing of following Metal / TW varnished box on surface or in recess with suitable size phenolic laminate sheet cover including painting etc as required

75mm x 75mm x 60mm

150mm x 75mm x 60mm

180mm x 100mm x 60mm

200 mm x 300 mm x 60mm

Supplying and fixing following size/ modules GI / PVC box along with modular base & cover plate for modular switches in recess / surface etc as required.

1 or 2 module (75mm x 75mm)

3 module (100mm x 75mm)

4 module (125mm x 75mm)

6 module (200mm x 75mm)

8 module (125mm x 125mm)

12 module (200mm x 150mm)

Supplying and fixing following modular base & cover plate on existing modular GI / PVC boxes etc as required.

1 or 2 module

3 module

4 module

6 module

8 module

12 module

Supplying & fixing of following sizes laminated / hylem sheet with required cutting in the existing wooden/metal box.

75mm x 75mm

150mm x 75mm

180mm x 100mm

300mm x 200mm

Supplying and fixing extra conduit down rod of 20 cm length G.I. pipe 15 mm dia, heavy gauge including painting etc. as required.

Numbering of ceiling fan/ exhaust fan/ fluorescent/LED fittings as required.

Painting of ceiling fan 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 etc as required.

Supplying and drawing following of UTP 4 pair CAT 6 LAN Cable in the existing surface/ recessed steel/ PVC conduit as required.

1 run of cable

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)

8 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)

4 way (4+12), Double door

6 way (4+18), 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, din bar for mounting MCB's (but without MCB's and incomer ) as required . (Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.)

4 way (4+12), Double door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "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 MCB

Double pole MCB

Triple pole MCB

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

Supplying and fixing following rating, double pole, 240 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

40 A, double pole Isolator

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

40 A, four pole Isolator

63 A, four pole Isolator

Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

40A double pole

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

40A four pole

63A four pole

Supplying and fixing DP sheet steel enclosure on surface/ recess along with 25/32amps 240 volts "C" curve DP MCB complete with connections, testing and commissioning etc.

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

Supplying and fixing 20 amps, 240 volts, 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.

Supplying & fixing of following ratings static energy meter with backlit LCD/LED display (Accuracy Class 1.0) & RS485 ports in the existing panel / TW plank / DIN Rail / wall with necessary connection and earth connection. The approved make will be L&T/ HPL / Secure.

10-40 amps. single phase energy meter

10-60 amps. three phase energy meter

Calibration of Energy meter from NABL Accredited agency. NABL calibration certificate to be submitted.

1200mm x 22w LED light fittings. The approved make will be PHILIPS LED BN021LED22S PSU CW GR or equivalent as per Engineer Incharge

600mm x 12w LED light fittings. The approved make will be PHILIPS LED BN021LED12S 6500 PSU GR or equivalent as per Engineer Incharge

300mm x 5 W LED Mirror Light fitting complete set as per Engineer Incharge

18 watts surface/recess mounted square/round LED lighting fixture.The accepted make and model will philips rimless Fullglow or equivalent as per Engineer Incharge

Water tight bulk head LED fitting with 10W LED lamp. The approved make will be Philips: Endura LED or equivalent as per Engineer Incharge

20 watts Smart bright LED street light luminaire on a suitable size MS pipe pending to shape according to the site location with necessary connection. (Philips: BRP042 LED 19 CW MR S1 PSU GR or equivalent as per Engineer Incharge)

Supplying, installing, testing and commissioning of ceiling fan, including wiring the down rods of length up to 45 cm with 1.5 sq mm FRLS PVC insulated, copper conductor, single core cable etc as required.

900 mm sweep ceiling fan (Orient-PSPO)

Supplying and installation of following medium duty exhaust fans in the existing opening and making connections and testing, commissioning etc as required.

200/250 mm sweep fresh air fan HS

300 mm sweep exhaust fan metal blade

Supply & fixing of louvers/ shutters complete with frame for exhaust fan of all sizes.

Supplying and fixing of fan hook on ceiling and making the ceiling in original condition with required civil work.

Supplying and fixing of 25 litres vertical / horizontal type storage water heater. The approved make will be Racold / Venus / CG or equivalent as per Engineer Incharge

Supply and replacing the modular timer switches Maxi Rex 4QTB Eqvt in L&T and GE with IP53 on the existing hylem sheet with necessary connection

Supply and replacing the faulty L&T/Siemens/ Legrand make 40A TP/FP power contactor on the existing hylem sheet or enclosure with necessary connection

Delhi Electrical Construction (BID ID -818237)