supply of materials for construction of 97 no hedia kacharipara , 1st class picked jhama bricks ( traditional ) , portlandcement , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , loading unloading & stacking sand / stone aggregate ( less than 40mm nominal size ) , coarse sand , 1st class traditional bricks ( kiln burnt ) , medium sand , hire charges of shuttering plank ( 25mm-30mm thick ) with prop including all fittings , g i wire , tor steel rods / hysd bars / tmt bars ( sail / tata / rinl ) ( fe415 / fe500 / fe500d conformsto is: 1786 , loading, unloading and stacking by manual means of steel , silver sand , sal silliguri