bids are invited for ismc 75 x 40mm 1.07m long fixed at top horizontally 7.14 kg per as per tech spec , sh steel section of size 38mm x 38mm x 3.25mm. 1.12m long as per tech spec , sh steel section of size 38mm x 38mm x 3.25mm. 2.25m long as peer tech spec , rh steel section of size 76.2mm x 38mm x 3.65mm. 2.70m as per tech spec , cgi sheet 810mm x 2410 mm long 0.63mm thick with galvanized of 375 gsm as per tech spec , steel roofing trough 1500 x 613 x 180mm made out of 2 mm thick as per tech spec , ms nut and bolt 12mm dia 80mm long 0.142 kg each including 3mm thick washers 02 nos per bolt , ms hexagonal nuts and bolts and washer 12 mm dia 40 mm long , hdpe sand bag of size 75x40 cm sand colour and each bag having weight not less than 60 gms. total quantity : 21891