Survey and Design of Laying of Sewer Network in place of under size and damage sewerage network in different location of Ward 52 in Dakshin Vidhansabha. File No. 68/26x9/1

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.-0 to 1.5 m depth

1.5 to 3 m depth

3.0 m to 4.5 m depth

In or under water and/or liquid mud, including pumping out water as required. (All water that may accumulate in excavations during the progress of the work from seepage, (not due to the negligence of the contractor), shall be bailed, pumped out or otherwise removed. The contractor shall take adequate measures for bailing and/or pumping out water from excavations and/or pumping out water from excavations and construct diversion channels, bunds, sumps, etc) Muddy soil-0 to 1.5m

1.5m to 3m

3m to 4.5m

In or under foul position, including pumping out water as required . (Excavation, where sewage, sewage gases or foul conditions are met with from any source, shall fall in this category. Decision of the. Engineer-in-Charge whether the work is in foul position or not shall be final.) Foul position-0 to 1.5m

1.5m to 3m

3m to 4.5m

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.