bids are invited for abp4b ordinary portland cement - 43 grade , river sand - fine aggregate , pulverised stone - dust fine , cement concrete hollow block - 400 x 200 x 150 mm , crushed stone aggregate - 40 mm , pre painted galvanized iron roofing sheet - 16 ft by 4 ft , pre painted galvanized iron roofing sheet - 10 ft x 4 ft , plain aluminium ridge sheet - 500 to 600 mm , exterior emulsion paint weather resistant - ivory shade , exterior emulsion paint weather resistant - parrot green , exterior wall primer - water based acrylic emulsion , wood primer - white shade , synthetic enamel paint weather resistant - sky blue shade , paint thinner - 1 litre bottle , clear float plain glass 30x30 cm - 5 mm thickness , aluminium sliding door bolt - 300 x 16 mm , aluminium tower bolt - 200 x 10 mm , aluminium tower bolt - 100 x 10 mm , aluminium door handle - 125 mm , aluminium door handle - 100 mm , mild steel pressed butt hinges - 125 x 65 x 2.12 mm , mild steel pressed butt hinges - 75 x 47 x 1.70 mm , paint brush high quality - 4 inch size , paint brush high quality - 2 inch size , self-drilling screw - 2.5 inch length , planer machine blade - hardened high carbon steel , hardened steel screw - 35 mm x 4 mm , electric saw cutter blade - 5 inch size , triangular file slim taper type - 4 inch length total quantity : 523