bids are invited for operation of the high side and low side of 4x300 tr central air conditioning plant for 1st year , operation of the high side and low side of 4x300 tr central air conditioning plant for 2nd year , providing maintenance services with up keeping all records for 1st year , providing maintenance services with up keeping all records for 2nd year , all inclusive comprehensive maintenance services for 1st year , all inclusive comprehensive maintenance services for 2nd year , all inclusive comprehensive maintenance contract of complete variable refrigerant volume for 1st year , all inclusive comprehensive maintenance contract of complete variable refrigerant volume for 2nd year , anual maintenance contarct for 02 nos. aircooled, 3.0 tr cassettee units for 1st year - anual maintenance contarct for 02 nos. aircooled 3.0 tr cassettee units for 1st year , anual maintenance contarct for 02 nos. aircooled, 3.0 tr cassettee units for 2nd year - anual maintenance contarct for 02 nos. aircooled 3.0 tr cassettee units for 2nd year , decanting of refrigerant and compressor oil from daikin make chiller unit , supply and fixing of of inner grooved type copper tubes , supply of compressor oil suitable for mcquay chiller unit , supply of refrigerent r134a suitable for mcquay chiller unit , dsr 2022 rs. 200000 total quantity : 200862