18 /EEE/ BSNL/ ED / MA / 2022-23

Dismantling of the existing 1.5 TR split AC unit comprising of indoor unit, outdoor unit,copper refrigerant piping i/c pump down of refrigerant gas etc as reqd.(TE Theni- 6 No, BTS sites- 6 No)

Shifting of 1.5 TR split AC from BTS sites such as Lakshmipuram, Ponnagaram broadway, Mela ponnagaram and Mahalipati i/c loading, unloading and transportation from respective BTS sites within Madurai city area to TE Theni i/c moving from ground floor to second and Third floor of TE building etc.as required

Water servicing and cleaning of existing 1.5TR split AC condenser evaporator coil etc., as required.

Gas charging of R-22 (1.50 kg) gas in existing 1.5TR split AC inlcuding leak testing, etc., as required.

S/F of copper tubing for both suction and discharge lines suitable for AC unit i/c S/L of 3x2.5 Sqmm PVC insulated cord wire, providing necessary insulation for copper tubing etc as reqd.

ITC of recovered 1.5TR Split AC etc., as required

S/F following size of PVC pipe for refrigernt pipe/condensate water line including clamping etc as required.

a) 63 mm dia- for protection of Refrigerent line

b) 25mm dia - for drainage of water

S/F ready made powder coated condenser unit stand made up of MS sheet i/c all fasteners complete as required

SITC of rotary type compressor for replacing the existing faulty compressor of S/T AC unit at Mela ponnagaram BTS ( proposed for shifting ) i/c removing the old compressor , fresh gas charging etc as reqd. (Make: M/s Carrier / Emerson copeland or smlr supr) (on buy back of the faulty compressor)

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.

Supplying and fixing of 100 Amps rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Wiring for circuit / sub main wiring wiring along with earth with the following sizes of FR PVC insulated copper conductor, single core cable in surface/recesssed medium size PVC conduit as reqd.

a) 2 x 2.5 sq.mm + 1 x 2.5 sq.mm earth wire

b) 4 x 2.5 sq.mm + 2 x 2.5 sq.mm earth wire

S/F 20 Amps 240 volts SPN industrial type socket outlet with 2 pole and earth, metal enclosed plub top along with 20A 'c'curve SP MCB in sheet steel enclosure on surface or in recess,with chained metal cover for the socket outlet and complete with connections, testing and commissisioning etc. as required.

S/F 9mm thick prelaminated particle board with one side laminated and other side plain for covering RA grils etc., as required

S/F 3mm thick hylam sheet for covering SA grill etc., as required

Removing of return air grill / supply air grill etc., as required

Replacing of faulty capacitor of rating 45 MFD, meant for compressor in existing out door unit of 1.5 TR split AC as reqd.

S/F following MS member i/c cutting, welding, painting etc as reqd

35x35x5mm MS angle