Providing and placing in position p

Providing and placing in position precast reinforced cement concrete waffle units, square or rectangular, as per design and shape for trench covers, poles etc., in 1:1½ :3 (1 Cement : 1½ coarse sand : 3 graded stone aggregate 10mm nominal size), including flush or deep ruled pointing at joints in cement mortar 1:2 (1 cement : 2 Fine sand), making necessary holes of required sizes for carrying through service lines etc., providing steel hooks for lifting etc, form work in precasting, handling, hoisting, centering and crection complete for all floor levels but excluding the cost of reinforcement.