Survey and Design of Laying of Sewer Network in place of under size and damage sewerage network in different location of Ward 20 and Ward 22 at East Vidhansabha.File No. 74/26x9/1

Earthwork Earth work in Excavation for foundation,trenches for pipes/cables, or drains etc by mechanical means/ manual means (exceeding 30cm in depth) including ramming of bottom , dressing of sides, disposal of excavated earth including of all lift and lead upto 50mtr. Disposed earth to be levelled and neatly dressed. Up to 1.5 m depth

1.5 to 3 m depth

3.0 m to 4.5 m depth

4.5 to 6.0 m depth

For Muddy / foul Area Up to 1.5 m depth

1.5 to 3 m depth

Soft rock with or without blasting or bituminous pavement. Up to 1.5 m depth

1.5 to 3 m depth

Filling Filling available excavated earth in trenches, plinth sides of foundation of layers not exceeding 20cm, in depth including consolidation of each layer by ramming watering, lead upto 50m and lift upto 1.5m in all kinds of soils.

Pipe Bedding Filling with moorum for pipe bedding or over the pipe including supply of moorum/sand.