bids are invited for ac at kadapa substation supply of 5point5 ton ductable indoor and out door with carded remotes , lifting and shifting of indoor and out doors , charges for pressure testing vacuumising commissioning of the dx system with required refrigerant , sitcof copper refrigerant piping setofline suction plus discharge , sitc communication cable between indoor and outdoor units , sitc power cable between electrical panel and outdoor units , sitc of cpvc drain pipe with fittings supports clamps 25mm or 32mm dia , sitc of gi ducting plenum box 24g or 22g , sitc of thermal insulation with xlpe al pet class o 19mm thick for plenum box , sitc of extruded al powder coated i ball diffusers 300mm dia , sitc of gi butterfly dampers made of 300mm dia , sitc of flexible canvas connection for idu 5point5 ton , sitc of ms supports with black paint for idu , comprehensive maintenance after completion of warranty 1st year , comprehensive maintenance after completion of warranty 2nd year , comprehensive maintenance after completion of warranty 3rd year , comprehensive maintenance after completion of warranty 4th year , comprehensive maintenance after completion of warranty 5th year , split air conditioner including green ac, wall mount type split air conditioner (floor type), as per is: 1391 (part 2) total quantity : 2452