supply of raw materials purchase of raw materails , stone for masonry work , portland cement , coarse sand ( zone iii ) , wall form panel 1250x500 mm , twisted steel / deformed bars , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , royalty for good earth , laterite stone of size 35x20x20cm , structural steel such as tees, angles, channels and r.s. joists , red oxide zinc chromate primer , adjustable telescopic prop 3 m ( 2.02-3.75m ) , second class kail wood in planks , second class kail wood in scantling , hollow bloks oof size 40x20x10cm , solid blocks of size 40x20x15cm , green net 75% shade , fine sand ( zone iv ) , stone aggregate ( single size ) : 40 mm nominal size , vitrified floor tile 60x60 cm , ceramic glazed tiles ist quality minimum thickness 5 mm in all colours shades and designs except burgundy, bottle green black , mild steel tubes hot finished welded type , welding by electric plant , hollock wood in planks , kiln seasoning of timber , float glass sheet of nominal thickness 4 mm ( weight not less than 10 kg / sqm ) , bright finished or black enameled mild steel butt hinges 100x58x1.90 mm , bright finished or black enameled mild steel butt hinges 50x37x1.50 mm , bright finished or black enameled mild steel screws 40 mm , bright finished or black enameled mild steel screws 20 mm , mild steel sheets for tanks , iron pintels including weldded pin , mild steel sheets with bolts and nuts to rest on pintels , mild steel hooks , vitreous china orrisa type w.c. pan size 580 mm , flushing cistern p.v.c. 10 lts capacity ( low level ) ( white ) ( with fittings, accessories and flush pipe ) , 100 mm s.c.i. trap with vent heel , vitreous china flat back wash basin 630x450 mm , 15 mm c.p.brass tap , c.p. brass waste 32 mm , c.i. bracket for wash basin and sinks , stainless steel kitchen sink - without drain board 470x420 mm bowl depth 178 mm , deharadun white lime , interlocking c.c. paver block ( 80 mm thick, m-30 ) , stone aggregate ( single size ) : 06 mm nominal size