Survey and Design of Laying of Sewer Network in place of under size and damage sewerage network in different location of Ward 28 in East Vidhansabhaha. 73/26x9/1

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 50m. Disposed earth to be levelled and neatly dressed. All kinds of ordinary soil 0 to 1.5m

1.5m to 3m

3m to4.5

Ordinary rock 0 to 1.5m

1.5m to 3m

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

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

Filling by available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.