supply of cement and construction material job no ( 8972, 8990, 6002, 6006, 6009, 6421, 6020, 6021 & 6115 ) , cement of 43 grade opc conforming to is 8112 / 1989 in sealed bags each weighing 50 kgs . the date of manufacture of cement should not be more than one month prior to the date of delivery make : jk laxmi / acc / ultra tech / ambuja . for rajouri , cement of 43 grade opc conforming to is 8112 / 1989 in sealed bags each weighing 50 kgs . the date of manufacture of cement should not be more than one month prior to the date of delivery make : jk laxmi / acc / ultra tech / ambuja . for naushera , clean coarse river sand conforming to is 2116-1980 for rajouri , clean coarse river sand conforming to is 2116-1980 for naushera , aggregate 10-20mm graded confirming to is 383-1970 for rajouri , aggregate 10-20mm graded confirming to is 383-1970 for naushera , aggregate 20-40mm graded confirming to is 383-1970 for rajouri , aggregate 20-40mm graded confirming to is 383-1970 for naushera , pcc bricks of size 230mm x 115mm x 75mm with min str of m 15 and confirming to is-456 of 1978 . for rajouri , pcc 1:2:4 type b1 solid block using 20 mm graded stone aggregate of size 450x150x150 mm . for rajouri , round tapped steel bar 12 mm dia as per is 1786-1979 , make tata / sail , round tapped steel bar 10 mm dia as per is 1786-1979 , make tata / sail , wpc make : durosel / imperal