Annual operation and Comprehensive maintenance of Package and Ductable type Cooling System of Vishwakarma Bhawan at IIT Delhi.

Amount

Annual operation and routine maintenance of Air- Conditioning System of Auditorium and Evaporative cooling Systems(from I floor to VI floor of B-Wing of vishwakarma Bhawan ) for the Following :- (a) 04 nos.x16 Tr. Air-cooled Package type Air conditioners of Auditorium (b ) 11 nos.(07X 16.5 Tr + 04 X 11.00 Tr ) Water cooled Package type Air conditioners and with associated power and control equipment etc., 05 Nos. cooling towers , 05 nos. pumps & its accessories ,all pipe lines (CI&GI) complete with AHU room (c) 02 Nos ( 01X 8.5 Tr + 01X 5.0 Tr.) Ductable type Air conditioners its accessories for Sixteen hours per day ( For Two Shifts )One operator and one helper in each shift ie; 6.00 AM to 2.00 PM and 2:00 PM to 10 PM as required shall be provided 30/31 days in a month (in case of requirement of duty hours increases , contractor shall have to provide more man power & be paid on pro-rata basis of the quoted rates for this items. including replacement of all kind of defective and worn out component with in 15 days of award of work retightening of conection and cleaning of internal component and panel with CRC /CTC or equvelent chemical avobe maintenance shall be carried out in the presence of AE/JE Note :-One job means ,carrying out the above work for a month

De-scaling of the Water cooled condensers and Cooling coil with fins of Water cooled Package type Air conditioners .( 16.5 Tr , 11.00 Tr ) with the chemical (clean flow or equivalent chemical) including roding , brushing and flushing with costic Soda etc. twice in a year. First time within seven days of award of work ,next in six months after work.

De-scaling of the . Air cooled condensers and Cooling coil with fins of (a) 16 Tr. Air-cooled Package type Air conditioners of Auditorium , ( 8.5 Tr + 5.0 Tr.) Ductable type Air conditioners with the chemical (clean flow or equivalent chemical) including roding , brushing and flushing with costic Soda etc. twice in a year. First time within seven days of award of work ,next in six months after work.

Comprehensive maintenance of Cooling Towers and accessories Comprehensive maintenance includes replacement of all kinds of defectives component /parts and rewinding of motors with suitable Enameled Copper wire of suitable size (ISI Marked) a as and when required. Repairing and cleaning of Cooling Towers with the chemical (clean flow or equivalent) on monthly basis . Scope includes the following Replacement of fills (all) once in a year ie: with in 15 days of award of work b) Repairing of Cooling Tower motors and Fan belt assembly with replacement of Bearing and v-Belts of (if required ) ,twice in a year first time within seven days of award of work ,next in six months

Comprehensive maintenance of Condenser water Pumps with motor includes replacement of all kinds of defectives component /parts and rewinding of motors with suitable Enameled Copper wire of suitable size (ISI Marked) a as and when required as per specification enclosed and replacement of defectives Water Pressure Gauges , and Thermometer replace if required within 15 days of award of work

Providing and Topping up the refrigerant R-22 in the Water cooled and Air cooled Package type Air conditioners .( 16.5/16.0 Tr & 11.00 Tr ) with the complete refrigeration line and compressor after Leakage testing and removing from the complete refrigeration line within 15 days of award of work and as and when required Comprehensive maintenance includes replacement of all kinds of defectives component /parts and rewinding of motors with suitable Enameled Copper wire of suitable size (ISI Marked) a as and when required ( Except Compressor )

Providing and Topping up the refrigerant R-22 in the (1 X 8.5 Tr & 01X 5.0 Tr.)Ductable type Air conditioners with the complete refrigeration line and compressor after Leakage testing and removing from the complete refrigeration line within 15 days of award of work and as and when required Comprehensive maintenance includes replacement of all kinds of defectives component /parts and rewinding of motors with suitable Enameled Copper wire of suitable size (ISI Marked) a as and when required ( Except Compressor )

Replacement of defective Compressors installed in the Package and Ductable type Air conditioners from the respective manufacturers of the compressors ( Blue Star ,Kirloskar ,Tecumsheh ,Carrer ,Voltas ) Compressors shall be got replaced from the manufacturer installed in the Air conditioners including Providing and Charging the refrigerant R-22 in the Air/Water cooled Package type Air conditioners and Ductable type Air conditioners with the complete refrigeration line and compressor after Leakage testing and removing from the complete refrigeration line within 15 days of award of work and as and when required a) 5.5 Tr./ 5.5 Tr. Capacity Compressor

b)7.5 Tr. Tr. Capacity compressor

c)8.0/ 8.75 Tr. Capacity compressor

Comprehensive maintenance of Electrical panels includes replacement of all kind of defectives component, retightening and cleaning with CTC/CRC or equivalent chemical (i) contractor shall carry out Preventive maintenance of all Electrical and electronic operating panels and starters of all the 04 nos.x16 Tr. Air-cooled Package type Air conditioners 11 Nos. (07X 16.5 Tr + 04 X 11.00 Tr ) Water cooled Package type Air conditioners , and 02 Nos( 01X 8.5 Tr + 01X 5.0 Tr.) Ductable type Air conditioners with in 15 days of award of work and next in six months after work . (ii) Contractor shall carry out Preventive maintenance of Main Electrical panels and starters of all the 05 nos. Condenser water Pumps and cooling tower motor within 15 days of award of work and next in six months after work . (iii) Contractor shall carry out the comprehensive maintenance of main Electrical panels of all the 15 Nos. Package units and 02 Nos ( 01X 8.5 Tr + 01X 5.0 Tr.) Ductable type Air conditioners including replacement of all kind of defectives and worn out component within 15 days of award of work , retightening of connections & cleaning of internal component and panel with CTC/CRC or equivalent chemical Above maintenance shall be carried out in the presence of AE/JE.

VOLTAS LIMITED