Details: internal sewerage system constructing brick masonry manhole in cement mortar 1:5 ( 1 cement : 5 coarse sand ) r.c.c. top slab 20cm thick using m-20 mix by using mixer and , tmt fe500 @ 80.00 kg/per , foundation concrete 1:4:8 mix (1 cement: 4 coarse sand : 8 graded stone aggregate 40mm nominal size) inside plastering 12mm thick with cement mortar 1:3 (1 cement: 3 coarse sand) finished with floating coat of neat cement and making 40mm thick benching in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement, orange coloured pvc steps including rcc cover with frame complete as per standard design complete in all respects. inside size 90x150 cm and 120 cm deep construction of brick masonry inspection chambers size as given below upto 0.60 metre average depth in 1:5 cement sand mortar, c.c.1:4:8 ( 150mm thick) in foundation, cement concrete 1:2:4 benching 12.50mm thick cement plaster 1:2 with a floating co
Sector: Water supply and Sewerage