bids are invited for 1 ivrf ac 1 supply of vrf ivrf inverter type air conditioning system 2 ivrf ac 2 indoor units with all supporting materials for hanging and fixing for existing duct. a 6tr ducted indoor 3 ivrf ac 3 b 8tr ducted indoor 4 ivrf ac 4 c corded remotes 5 ivrf ac 5 d cordless remotes 6 ivrf ac 6 installation nitrogen pressure testing vaccumising and commissioning of vrf ivrf inverter type odu units 7 ivrf ac 7 installation charges for ducted indoor units 8 ivrf ac 8 supply and laying of hard drawn copper refrigerant piping with elbows couplings reducer and slotted supports for suction and discharge line 9 ivrf ac 9 supply and fixing of 19mm and 13mm thick nitrile rubber insulation for above copper pipe and ppe covering with fire retardant tape 10 ivrf ac 10 refrigerant gas charging r410a 11 ivrf ac 11 lifting shifting and erection of ivrf outdoor units 12 ivrf ac 12 communication cable for idu to odu 13 ivrf ac 13 drain pipe cpvc with insulation 14 ivrf ac 14 ms channel stand for odu units 15 ivrf ac 15 dismantling charges for existing indoor units 16 ivrf ac 16 dismantling charges for existing outdoor units 17 ivrf ac 17 canvas fire proof for connection between indoor and cool air duct connection total quantity : 458