tender for supply of building material---cement ppc (isi standard) 50kg bag (major brand) cement opc (isi standard) 53 grade 50kg bag(major brand) cement opc (isi standard) 43 grade 50kg bag(major brand) chemical cement 25kg (major brand) sand narmada river high quality black sand river silt free high quality clay free stone crushed sand m sand gsb (granular sub-base) material silt free crusher dust ballast 10 mm black basalt ballast 20 mm black basalt ballast 40 mm black basalt ballast 60 mm black basalt ballast 90 mm black basalt brick (gutka) kiln brick (8x4x4) 1000 nos. bombay khele unnails iron nails 1 inch iron nails 3 inch iron nails 2 inch garden hose pipe 1 inch 100 feet