bids are invited for construction of echs office shed 2 53 steel for truss and columns including ms round pipe and ms square pipe , galvanised steel sheet of suitable size with minimum 0.6 mm thickness alongwith fixing arrangement , sub class b burnt old size bricks , sand of fine sieve , aggregate 20mm or 50mm , hardcore of guage 63mm broken stones or boulders , cement , light shade vitrified tiles 10mm thick , nut and bolts as per requirement , coloured chequered cement concrete tiles 20mm x 20mm x 25mm thick or 25mm x 25mm x 25mm thick set , non skid coloured ceramic tiles 7 to 8 cm thick , glazed coloured ceramic tiles for vertical surface of wall , solid pvc door frame of size 50 mm x 47 mm made out of 5mm plain colour pvc sheet , factory made solid panel pvc door shutter 30mm thick. , colour coated aluminium loures frame size 44 x 44mm and 8 mm thick glass inc aluminium jali of size 75 x 75mm , butt hinges 100 mm , aluminium tower bolt 150mm long , vitreous china wash down water closet pan pedestal pattern , vitreous china urinal half stall type white , vitreous china urinal white of size 310 x 700mm , low level dual flush pvc , vitreous china whb size 550 x 400mm including cutting or pinning , 600 x 450mm mirror of selected quality glass mounted , pillar taps fancy type cast copper alloy with capstan heads chromium plated long neck type , cp bib taps long shank fancy type 15mm , pvc connection 15mm size with ptmt nuts of length 450mm , pvc swr 75mm floor trap plain with grating incl jointing with solvent cement , 110mm pvc swr pipes single socketed , swr 75mm bore pipes single socketed , pvc swr gully trap 125 or 110 mm , pvc swr 110mm bore bends any radius , pvc swr 75mm bore bends any radius , gi tubing medium grade 15mm dia galvanised , gi tubing medium grade 20mm dia galvanised , rotational mouldeed polyethylene water storage tanks 500 ltrs capacity , 20mm dia ball brass valves high pressure with polythene float , 1 53dia ball brass valves high pressure w