tender for maintenance, supply, descaling of condensers, chiller and pipeline for hvac unit at site-g sf complex jagdalpur.; 1 supply, maintenance, servicing and de-scaling of 100tr water cooled chiller plant all complete as per the directions of engineer-in-charge.for 3x100 tr chiller unit at ss-3. 2 supply & charging of r-22 refrigerant gas. 3 supply of dry nitrogen. 4 supply & replacement of filter dryer core (danfoss eliminator) (for dcr0485 to 19217 & similar 4 ¾ in. shell). 5 supply & replacement of compressor mineral oil (160p). 6 supply & replacement of gasket set. 7 supply & maintenance of de scaling agent as per chiller specification. 8 supply & repair of expansive valve (for 100 tr chiller model no- wcfx12d2b1. 9 supply of de-scaling circular brush. 10 supply, servicing and de-scaling of 100tr water cooled chiller plant all complete as per the directions of engineer-in-charge.for 2x40 tr chiller unit at ss-6. 11 supply & charging of r-22 refrigerant gas. 12 supply of dry nitrogen. 13 supply & replacement of filter dryer core (danfoss eliminator) (for dcr0485 to 19217 & similar 4 ¾ in. shell). 14 supply & replacement of compressor mineral oil (160p). 15 supply & replacement of gasket set. 16 supply & maintenance of de scaling agent as per chiller specification. 17 supply & repair of expansive valve (for 100 tr chiller model no- wcfx12d2b1. 18 supply of de-scaling circular brush. 19 labour charges for repairing and descaling of chillers & condersers all complete.