supply of materials for the const of 5 nos mushroom shed at different site of nishiganj ii g p under mathabhanga ii p s dist cooch behar supply of materials forthe const of5 nos mushroom shed at differentsit of nishiganj ii g p under mathabhangaiip s dist cooch behar , 1st class picked jhama brickstraditional , portland cement , stone aggregatesingle size20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate below 40 mm nominal size , loading unloading & stacking sand/ stone aggregate ( less than 40mm nominal size ) , coarse sand , stone aggregate ( single size ) : 40 mm nominal size , stone aggregate 40 mm nominal size and above , loading unloading & stacking stone aggregate ( above 40mm nominal size ) , g i wire , steel , tor steel rods/hysd bars/tmt bars ( sail/tata/rinl ) ( fe415/fe500/fe500d conforms to is: 1786 ) , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , 1st class traditional bricks ( kiln burnt ) , m . s . structural with hollow sections ( square or rectangular shape ) conforming to is: 806-1968 & is:1161-1998 ) span up to 12 mtr , wire mesh ( rabbit ) , medium sand , sal silliguri , unslaked lime , glue , ready mixed pink or grey primer on wood work ( hard and softwood ) having voc content less than 50 gms/litre , other local wood , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator ( needle type 40 mm ) , misc , worksite facility , display board , gst