bids are invited for facility management services - lumpsum based - dae township at kalpakkam; comprehensive annual maintenance for refrigeration air conditioning equipments installed at kalpakkam township during the year 2026 to 2027; consumables to be provided by ser.. - comprehensive annual maintenance contract of window/split airconditioners, water cooler, refrigerators & deep freezers by rectification of all kinds of faults including repair/replacement of compressors, fan motors / relays / pcb / sensors / thermostats / capacitors / olps / leak testing / gas charging / oil charging etc. for 1 year period to complete as per the scope of work and of following capacities. it also includes 4 quarterly services in a year. , 1.5 tr capacity window air-conditioners (running in good condition) , 1.0 tr capacity split airconditioners.(running in good condition) , 1.5 tr capacity split airconditioners.(running in good condition) , 2 tr capacity split airconditioners (running in good condition). , 1.5 capacity inverter type/ cassette air-conditioners (running in good condition) , 2.0 tr capacity inverter type/ cassette air-conditioners (running in good condition) , 20/40 liters/hr capacity watercoolers. (running in good condition) , 165 - 240 liters capacity single door refrigerators. (running in good condition) , 250/ 320 liters capacity double door refrigerators. (running in good condition) , 300 liter capacity deep freezer.(running in good condition) , tinkering and painting of air conditioner/water cooler/refrigerator equipments sheet metal parts & its frame by cutting, welding/brazing, scrab/scratch with emery sheet and clean all the rust/ paint on all the ms/gi/al sheet metal parts and paint with one quote of red oxide primer and one coat of synthetic enamel paint or duco/metalic paint complete with spray gun/brush all complete as per the specification and as directed by engineer in charge. note: g.i/m.s/aluminium sheets as required for tinkering works are in contractor scope. , 1 /1.5 window ac , 1 /1.5/2.0 tr split/cassette ac , 15-80 lph water cooler (ss body) , installation of new/old window airconditioners/split airconditioners/water coolers/ refrigerators/deep-freezers and shifting the above ac & refrigeration units safely by means of tricycle/trolley within the lead distance of 2 km all complete as per the specification and as directed by engineer in charge. , 1/1.5/2 tr split ac , 1/1.5tr window ac , dismantling of new/old window airconditioners/split airconditioners/water coolers/ refrigerators/deep-freezers and shifting the above ac & refrigeration units safely by means of tricycle/trolley within the lead distance of 2 km all complete as per the specification and as directed by engineer in charge. , 1/1.5/2 tr split ac , 1/1.5tr window ac , providing and fixing of food grade water filter of 20 length, 10 micron filtration capacity, made of poly propylene suitable for water coolers,etc,.all complete as per specification and as directed by engineer in charge. , supply, installation and leak testing of air cooled anti corrossive coated blue finned condenser coil/ hydrophilic coated evaporator coils for packagedac/ductable ac/packaged chiller/window & split airconditioner as per the specification and as required. air-cooled condenser/evaporator coil shall be a compact coil made using latest advanced copper tubes with anti corrosive /hydrophilic acoated aluminium fins as per the original installed in the above ac units. copper tubes shall be bullet expanded into aluminium fins for mechanical bonding. independent sub cooling circuit shall be provided in each coils to improve eer.copper tube with aluminium blue finned 14-16 fpi, condenser coil