Mahanagar Telephone Nigam Limited Tender

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Mahanagar Telephone Nigam Limited - MTNL Tender

Works
Electrical and Electronics
Electrical Works
Eprocure
Opening Date30 Dec 2024
Closing Soon7 Jan 2025
Tender AmountRefer Documents 
Notes
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Costs

Description

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BOQ Items

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Providing and making drain arrngement for AC units with following pipes i/c Tee, Union, Socket & elbow etc as required. a) 25 mm dia medium class PVC pipe

15

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b) 38 mm dia medium class PVC pipe

20

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Supply & fixing of site fabricated rectangular type G.I. sheet metal ducting i/c air mixing, air distribution system, complete thickness gauge i/c nut bolts & gasket etc. as required. a) 24 gauge G.I. Sheet

5

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b) 22 gauge G.I. Sheet

5

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c) Canvass connection with fire ressistance coth complete as reqd.

2

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Pdg. & installing following size copper pipe including cutting bending, jointing, brazing etc as reqd. for hot and liquid refrigerant line complete as reqd. a) 6/8"

25

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b) 7/8"

40

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c) 5/8"

50

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d) 1/2"

30

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e) 3/8"

30

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f) 1/4"

20

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Providing and fixing of 6mm thick cross linked polyethylene insulation for drain / copper piping in order to protect it from air borne impurities complete as reqd. as per site location.

190

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Supplying and fixing of PVC insulated PVC sheathed/XLPE insulated copper conductor cables of 1.1KV grade of following sizes on the existing M.S. trays/walls with saddles, screws etc and end terminations of cables with glands etc. as required. a) 4 x 6 Sq.mm copper armoured cable

20

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b) 4 x 10 Sq.mm copper armoured cable

15

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c) 3 x 1.5 Sq.mm copper conductor flexible cable

40

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d) 4 x 2.5 Sq.mm copper conductor flexible cable

30

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e) 18C x 2.5 Sq.mm copper armoured cable

20

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f) 3C x 2.5 Sqmm Copper flexible cable

50

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Pressure testing with nitrogen, pressure standing for at least 8 hr.,vaccumzing & commissioning with refrigerant of following AC Unit complete as reqd. a) 11TR/10TR/8.5TR (nominal capacity) type AC Unit

4

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b)7.5TR/ 5.5TR/4.0TR (nominal capacity) AC Unit

7

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c) 2 TR/1.5TR AC Unit

7

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d) R-22 gas charging/ gas top up

45

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e) R-407 gas charging/gas top up

5

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f) R-410A/R-32 gas charging/gas top up

5

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Replacement of new coil (Condenser coil) of following a.c. Units including dismantling the faulty coil and making proper size copper pipe connection brazing at joints etc. as required. Old coil will be the property of contractor. (a) 1.5TR to 2.0 TR A.C Unit

1

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(b) 2.5 TR to 3.0 TR A.C. Unit

2

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(c) 4.0 TR A.C Unit

1

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(d) 5.0 TR to 5.5 TR A.C. Unit

2

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(e)7.0TR to 7.5 TR A.C Unit

2

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(f) 8.5 TR to 9.0 TR A.C. Unit

1

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g) 11.0 TR A.C. Unit

1

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Replacement of new coil (Evaporator coil) of following a.c. Units including dismantling the faulty coil and making proper size copper pipe connection brazing at joints etc. as required. Old coil will be the property of contractor. (a) 1.5 TR to 2.0 TR A.C Unit

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(b) 2.5 TR to 3.0 TR A.C. Unit

1

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(c) 4.0 TR A.C Unit

1

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(d) 5.0 TR/ 5.5 TR A.C. Unit

2

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(e) 7.0 TR to 7.5 TR A.C. Unit

2

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(f) 8.5 TR to 9.0 TR A.C. Unit

1

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(g) 11.0 TR A.C. Unit

1

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Replacement of faulti mechanical item of package/ductable AC Unit & other works complete as reqd. a) Angle valve/pin valve for ref. circuit. (old material shall be the property of contractor)

3

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b) Drier filter for AC Unit

4

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c) Puller block bearing blower shoft size 1 inch

4

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d) 2.5 TR refurbished compressor suitable for Carrier/BSL/LG/Voltas/ Hitachi make twin ckt 5.0TR AC Unit (Make : Carrier/Kirloskar/ Copeland)

1

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e) 3.75TR /5.5TR refurbished compressor suitable for Carrier/BSL/LG/ Voltas/ Hitachi Make 7.5TR/ 11.0TR AC Unit (Make : Carrier/Kirloskar/ Copeland)

1

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f) V-belt for package AC units

2

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g) Contactors for compressor/blower (upto 25amps) for package AC units including electrical connections

2

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h) VSP D1 ( Minilec ) 415 V relay of compressor/blower for package / Ductable AC units

2

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i) LP Switch/HP Switch for package/ductable AC units

1

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j) Package AC unit controller card/PCB

1

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k) Digital ampere meter for Package AC/Ductable AC units

1

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l) Remote for Ductable AC units ( 4.00 Tr to 11.0 TR)

1

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Rewinding of old defective blower motor of 7.5TR AC Unit

1

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Replacement of rewound condenser fan motor for AC Unit

1

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Replacement of condenser motor capacity of 8MFD

1

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Replacement of condenser fan for 7.5TR/5.0TR Unit

1

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Replacement of blower fan of 7.5TR/5.0TR Unit

2

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Pdg. & fixing of electrical/mechanical switchgears complete as reqd. a) 63amp TPN MCB

1

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b) 100amp TP MCCB of 25KA Breaking capacity (Make-M/s L&T/GE/Legrand/ C&S/ABB)

1

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Chemical servicing of ductable/packages with the help of water & chemical of outdoor a.c. Unit.

6

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Fabricating & installing of following tray made out with following M.S. Slotted angle & squire pipe or slotted sheet material i/c nut bolt, screw, etc. as reqd. a) 150mm wide M S slotted trey

10

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b) 225 mm wide M S slotted trey

10

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Minor civil works such as making opening in brick wall/RCC walls/slabs for AC units for refrigerant piping, ducting, cabling as per site requirement, making good the same for sealing the opening after associate work complete as required.

2

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Supplying, Laying & fixing of 8 SWG GI earthing wire on the existing surface/recess for loop earthing with main power cable complete as required.

50

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Supplying and fixing of synthetic fibre media washable filters with frame ( Efficiency 90% down to 20 microns ) for 5.0 TR to 11.0 TR )

4

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Less credit for dismantled material and dismantled material shall be the property of contractor.

1

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