Work of laying sewer line for STP in Block-L of Anand Vihar Housing Scheme

SEWER WORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated All Kinds of Soil 108X0.735X260.30/107=193.10

1:4:8 (1 cement : 5 coarse sand (zone-I) derived from natural sources: 10 graded stone aggregate 40 mm nominal size derived trom natura sources) 108X0.735X6812.00/107=5053.61

Providing and laying non-ppressure NP3 class (medium duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 600 mm dia. R.C.C. pipe 108X0.735X3401.25/107=2523.28

Constructing brick masonry circular manhole 1.52 m internal dia at Dotom and 0.56 m dia at top in cement mortar 1:4 (1 cement :4 e sand) inside cement plaster 12 mm thick with cement mortar iO( cement :3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement:3 coarse sand :6 garaded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : With common burnt clay FP.S. (non modular) bricks of class designation 7.5 With fram and cover 108X0.735X52969.10/107=39296.10

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m: 19.14.1 With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 108X0.735X22771.85/107=16893.70

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS: 10910, on 12 mm dia steel bar conforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x1 5 cm cement concrete block 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20 mm nominal size) complete as per design. 108X0.735X553.70/107=410.77

DRAIN WORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated All Kinds of Soil 108X0.735X260.30/107=193.10

1:4:8 (1 cement : 5 coarse sand (zone-I) derived from natural sources: 10 graded stone aggregate 40 mm nominal size derived trom natura sources) 108X0.735X6812.00/107=5053.61