purchase of materials for mgnregs works-2 quarry muck 3 laterite stone of size 30x20x20 cm 4 stone aggregate ( single size ) :40mm nominal size 5 stone aggregate ( single size ) :20mm nominal size 6 stone aggregate ( single size ) :10mm nominal size ) 7 coarse sand ( zone iii ) 8 fine sand ( zone iv ) 9 portland cement 1 10 portland cement 2 11 twisted steel / deformed bars 12 gi trafford profile sheet 0.35mm thick 1 13 gi trafford profile sheet 0.35mm thick 2 14 bitumen washer 15 stainless steel screws 50 mm 16 mild steel tubes hot finished welded type 17 red oxide zinc chromate primer 18 welding by electric plant 19 galvanised wire mesh of average width of aperture 1.4 and nominal dia of wire 0.63mm 20 wire nails 21 synthetic enamel paint black or chocolate shade 22 water thinnable cement primer for interior wall surface having voc content less than 50 grm / litre 23 plastic emulsion paint 24 display board painting on plain sheet ( fixed 2*3 ft size ) 25 granite display board ( fixed 4*5ft size )