bids are invited for supplying of 0.63mm thick gss sheet - supplying, installing, balancing and commissioning of fabricated at site gss sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, support as per approved drawing and specifications of 0.63mm thick gss sheet etc complete as required. , supplying of 0.80mm thick gss sheet - supplying, installing, balancing and commissioning of fabricated at site gss sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, support as per approved drawing and specifications of 0.80mm thick gss sheet etc complete as required. , supplying of 1.00mm thick gss sheet - supplying, installing, balancing and commissioning of fabricated at site gss sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, support as per approved drawing and specifications of 1.00mm thick gss sheet etc complete as required. , sitc ofgi volume control damper - sitc of gi volume control damper complete with neoprene rubber gaskets,nuts , bolts, screws linkages, flanges etc. as per specifications etc complete as reqd.. , supplyingandfixingofpowdercoatedextrudedaluminium returnairgrillswithlouvers - supplying&fixingofpowdercoatedextrudedaluminium returnairgrillswithlouversbutwithoutvolumecontrol dampers complete as required. , supplyingandfixingof4x16 sqmm power cable - sitc of 4x16 sqmm pvc insulated pvc sheathed aluminum conductor armoured cableon the existing ms tray /walls with saddles/pvc of cables with glands etc. as required , supplyingandfixingofcontrol cable of 3x2,5sqmm - sitc of 3x2.5 sqmm pvc insulated pvc sheathed copper conductor armoured cable for control wiring on the existing ms tray / walls with saddles/pvc thread/cable tie, screws etc. i/c end termination of cables with glands etc as required. , sitc of 40mm upvc pipe - sitcof40mm upvc pipe for plumbin