Water Supply

Amount

Providing cement concrete surface drain including earth work in excavation 10cm thick base concrete and 23 cm thick sidde walling with 1:3:6(1 cement 3 sand:6 graded stone agg. 40mm nominal size) finishing with 1:4(1cement :4 sand ) including floating coat of neat cemetn including drain and its top and exposed surface including earthwork in excavation and disposal of surplus earth etc., to complete

23cm x 23 cm

Construction of cement conrete Chamber 100x90x40 cm with 20 cm thick wall in 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm nominal size ) with open base and covered with perforated reinforced cement concrete slab 1:1.5:3 mix (1 cement : 1.5 coarse sand : 3 graded stone aggregate 12.5 mm nominal size ) complete as per standard design.

Making recharge pit 2.5 m diameter 2.3 metre deep filling with 1st layer of stone boulder 5-20 cm, 2 nd layer of Gravels 5-10 cm (stone chips) and 3 rd layer of course sand 1.5-2 mm of depth each layer 0.60Mtr. deep i/c earth work excavation etc as per the direction of Engineer Incharge.

DILIP RAJ

Shri V R Subramani