bids are invited for hardware 1 - cement of 43 grade opc conforming to is 8112/1989 in sealed bags each weighing 50 kg. the date of manufacture of cement should not be more than one month prior to the date of delivery.make: acc/ ambuja cement/ ultra tech cement/ birla corp ltd/jk cement/ jk laxmi cement/grasim , hardware 2 - fine aggregate (sand) conforming to is : 383-1970. , hardware 3 - crushed stone aggregate 20 mm graded conforming to is 383-1970. , hardware 4 - crushed stone aggregate 40 mm graded conforming to is 383-1970. , hardware 5 - cement concrete solid bricks of size 9x4.5x3, grade a,conforming to is : 2185-2005 total quantity : 1