short dated tender - bids are invited for design supply installation testing and commissioning of air cooled floor mounted package units of cap 7 point 5 tr with hermetically sealed scroll type compressor dx coil aircooled as per atc , supply and fixing of copper refrigerant piping for discharge line from indoor unit to outdoor air cooled fan with 5 or 8 inches pipe with fitting complete all as per site requirement , supply and fixing of copper refrigerant piping for liquid line from indoor unit to outdoor air cooled fan with 7 or 8 inches pipe with fitting complete , supply and fixing of 22 gauge gi sheet ducting with all fittings such as tee bends tunings vanes flange etc made of gi sheet of class viii as per is 277 fabricated as per is 655 incl as per atc , supply and fixing black flexible closed cell 19mm thick elastomeric thermal insulation made of elastomeric foam based on synthetic rubber nbr or pvc tested for maximum service as per atc , supply and fixing of supply air grill or diffusers made of aluminium section powder coated with volume control damper complete all as per site requirement , supply and fixing of return air grill or diffusers made of aluminium section powder coated without volume control damper complete all as per site requirement , supply and fixing of fresh air grill with damper made of gi sheet 18 g complete with bird screen complete all as per site requirement , supply and fixing of flexible canvas connection made of fire retardant cloth for pac units complete all as per site requirement , design fabricate supply testing and commissioning of cpri approved factory made lt panel board cubicle type suitable for incoming outgoings mccb or mcbs double door outdoor as per atc , m and l for eart hing complete with gi plate electrode of size 600x600x6mm thick bured directly in ground vertically at a depth not less 2 point 25m below normal ground level as per atc , supplying and laying in ground in ducts in pipes on cable trays of pvc insulated zlpe aluminum conductor armoured cables of 1 point 1kv grade confirming to is complete as per atc , supply and laying double wall corrugated hdpe duct pipe 80mm outer dia conforming to is 14930 part ii of approved coour with fitting for cable protection complete laid inas per atc , supply and laying in ground in ducts in pipes on cable trays of pvc insulated aluminum conductor armoured cables of 1 point 1kv grade confirming to is complete as per atc , supply and fixing or laying ge earth strip 25mm x 4mm below ground in 40mm gi pipe wherever required and on surface or in recess for connections etc , supply and fixing of gi slotted cable tray 100 x 50mm high in 16 swg incl necessary supports and frame work complete all as specified and as directed by engineer in charge , supply and fixing of 4 mm gi wire , supply laying and testing pvc ensu lated pvc sheathed cable galvanized steel strip or wire armoured electric control cables heavy duty with stranded copper conductor as per atc , supply install commissioning and testing of air cooled packaged air conditioners comprising of hermetic or semi hermetically sealed reciprocating or hermetically as per atc , m and l for taking out old ber ac 3 or 4 or 7 point 5 tr ton capacities complete and transporting them to age em store yard and deposit complete all as specified and directed