bids are invited for 63 amps tpn sfu with hrc fuses - supply and fixing of following rating switches including hrc fuse links in the existing lt panel including removing old switches in the existing ac plant panel installed at dtc str first floor etc as required a 63 amps tpn sfu with hrc fuses ms l and t make , supplying and laying of 4 core 16 sq mm aluminium - supplying and laying of 4 core 16 sq mm aluminium conductor armoured able for input supply to hpac control panel on exisitng cable tray or surface of wall including clamping etc as reqd ms havells polycab or superior make , making end termination with brass compression - supplying and making end termination with brass compression gland and aluminium lugs for 4 core 16sq mm pvc insulated and pvc sheathed xlpe aluminium conductor cable of 1point1 kv grade as required , providing and fixing 8 swg gi wire - providing and fixing 8 swg gi wire on surface on tray for connections etc as required. , sheet metal rectangular or round ducting complete with - supply installation balancing and commissioning of factory fabricated gss sheet metal rectangular or round ducting complete with neoprene rubber gaskets elbows splitter dampers vanes hangers supports etc as per approved drawings and specifications of following sheet thickness complete as required a thickness 0 point 60 mm sheet or 24 swg gi sheet , 22 swg gi sheet - supply installation balancing and commissioning of factory fabricated gss sheet metal rectangular or round ducting complete with neoprene rubber gaskets elbows splitter dampers vanes hangers supports etc as per approved drawings and specifications of following sheet thickness complete as required a. thickness 0 point 80 mm sheet or 22 swg gi sheet , gi motorized volume control duct damper - supply installation testing and commissioning of gi motorized volume control duct damper complete with neoprene rubber gaskets nuts bolts screws linkages flanges etc as per specifications , gi fire damper - supply in