tender for special repair / replacement of ber cooling appliances at af station nal; 1 taking down carefully of indoor and outdoor units of splits ac of capacity 1.5 / 2.0 tr carefully from wall / roof or any other location & depositing the same to mes store with copper piping including making good disturbed surfaces before installing new acs. 2 taking down carefully of window ac of capacity 1.5 / 2.0 tr carefully from wall & depositing the same to mes store with including making good disturbed surfaces before installing new acs. 3 supply, installation & testing of air cooled inverter based split ac unit , air conditioner is electridriven single phase minimum 5 star rating of capacity 2 tr with charged with eco friendly refrigerant r410a / r32 and comes with special health filter and all connected accessories and copper tubing from indoor to outdoor with proper nitrile insulation and making of hole in any type of wall, including pvc drain pipe from indoor unit upto plinth protection of building , outdoor split ac hanging wall mounted stand and flexible pvcpipe minimum 40mm dia covered on all exposed copper insulated pipe line and pvc wire with connected accessories etc all as specified and directed. 4 all as per item no 03 above but of capacity 1.5 tr. 5 supply and fix voltage stabilizer digital for automatic operation, single phase naturally air cooled indoor type & designed for input variation between 90 v to 300 v with output voltage stabilized at 230 v with accuracy of ± 2.5% and of capacity 5 kva . 6 supply and fix voltage stabilizer digital for automatic operation, single phase naturally air cooled indoor type & designed for input variation between 90 v to 300 v with output voltage stabilized at 230 v with accuracy of ± 2.5% and of capacity 4 kvafor 1.5 tr ac. 7 supply and fix sheet metal enclosure, 240 v, single pole and neutral with two pin earth plug and socket complete with one 20 amp single pole mcb complete. 8 m & l sub main wiring using two single corepvc insulated frls cable 4 sqmm copper conductor multi stranded and 4.0 sqmm copper conductor insulated cable using as earth wire and drawing in to 25 mm nb rigid pvc conduit , complete all as directed.note two runs of 4sqmm copper frls cable & one run of 4.0 sqmm copper cable in and including 25mm pvc conduit medium grade will be measured as one unit..