Comprehensive maintenance of different type of air-conditioners in various buildings under EE (E) BCP, MTNL New Delhi.

Amount

Comprehensive Maintenance of following AC package units round the clock along with all accessories including checking and cleaning of condenser coils, cooling coils, filters, alignment of fans, checking of terminals, integral parts on regular interval, replacement of belts, consumables by deputing manning staff for rectification/ attending the site on daily basis to maintain the inside temperature etc complete as required. a) 6x11.0 TR package AC units - TE Bldg Tuglakabad

Comprehensive maintenance of following capacity AC units comprising of indoor/ outdoor units including replacement of compressor, charging of gas, rewinding of fan motor, replacement of fan belts etc complete as required. a) 2x11.0 TR ductable AC units - TE Bldg Tuglakabad

2x11.0 TR ductable AC units - RSU Asian Games Village

2x7.5 TR - RSU Sunlight Colony

1x7.5 TR - RSU Lajpat Nagar-III

3x7.5 TR - RSU Jamia Millia

2x7.5 TR - Computer Room TE Bldg Okhla

3x7.5 TR - RSU Lajpat Nagar-II

3x7.5 TR - RSU CCI Tuglakabad

3x7.5 TR - RSU G.K-1

3x7.5 TR - RSU Pushap Vihar-III

4x5.5 TR - OFC at TE Bldg Okhla

6x5.5 TR - OFC at 1st floor TE Bldg BCP

1x5.0 TR - RSU Safdarjang

1x5.0 TR - RSU IUAC JNU

Replacement of damaged/ stolen following size soft/hard copper pipe including cutting, bending, jointing , brazening etc as reqd. for hot and liqid refrigerant line complete as required as per site requirement. a) 5/8"

R/F of kinni foam 9mm thick for thermal insulation of copper piping in order to protect it from air born impurities i/c removal of old insulation etc. complete as reqd

Replacement of tornout/damaged of Synthetic fibre media washable filters with frame (Efficiency 90% down to 20 microns) for 5 0 TR to 5.5 TR ductable/package a.c. unit i/c removing of existing filters.

Replacement of tornout/damaged of Synthetic fibre media washable filters with frame (Efficiency 90% down to 20 microns) for 7.5 TR to 11.0TR ductable/package a.c. unit i/c removing of existing filters.

Supplying & making M.S. Structure work for cond./ Duct supports/trey support/accoustic grid with following accessories i/c cutting, welding of the same etc as reqd. a) 40mm x 40mm x 5mm M. S. Angle iron.

Replacement of damaged condenser coil of following rating (single/multi circuit) ductable a.c.units including flushing of whole system with nitrogen gas complete as required. (Note: Existing coil to be dismantled without any extra charges wherever required.) a) 5TR / 5.5TR.

Replacement of damaged evaporator coil of following rating (single/multi circuit) ductable AC unit including flushing of whole system with nitrogen gas complete as required. (Note: Existing coil to be dismantled without any extra charges wherever required.) a) 5TR / 5.5TR

Pressure testing with nitrogen gas with nitrogen pressure standing for at least 8 hours, vacummizing & commissioning with appropriate refrigerant (R22/410a/32) i/c supplying & filling the refrigerant for following rating (single/multi circuit) ductable/package AC unit as reqd. a) 5TR/5.5TR

AC Guard CP-Corrosion prevention coating for brazing joints, u band, interconnecting copper piping of indoor and outdoor a.c. units (Note: per job per unit) to be applied wherever corrosive atmosphere damaging coils.

M/s Merco Airconditioning Refrigeration Engineers (BID ID -3208610)