Details: providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : a) 1:2:4 (1 cement : 2 coarse sand(zone-iii) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) b) 1:5:10 (1 cement : 5 coarse sand(zone-iii) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing : 1:5:10 (1 cement : 5 coarse sand(zone-iii) including manufactured sand derived from recycled concrete aggregate (rca) up to 25% : 10 graded stone aggregate 40
Sector: Telecommunication