Construction of Recharge Pit with Sedimentation Pit at Health Centre, Joginder Nagar in GNI.

Amount

Providing cement concrete surface drain including earthwork excavation 10 cm thick base concrete and 15 cm thick side wall 1:3:6 (1 cement : 3 Coarse sand : 6 graded stone aggregate of 40 mm nominal size) cement concrete finished with 1:4 (1 cement : 4 sand) a floating coat of neat cement inside the drain and its top and exposed surface and disposal surplus earth etc. complete a) 23 cm x 23 cm

Construction of Cement Concrete Chamber 100 x 90 x 40 cm with , 20cm thick in 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) with open base and covered with perforated reinforced cement slab 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) complete as per the direction of Engineer-in-Charge.

Making recharge pit 2.5 m diameter 2.3 metre deep filling with Ist layer of stone boulder 5-20 cm, 2nd layer of stone chips/gravels 5-10 cm and 3rd layer of coarse sand 1.5 - 2 mm of depth each layer 0.60 mtr deep including earth work excavation etc as per the direction of Engineer-in-charge.

M/S G S GREWAL