WBIW/EE/DHWD/eNIT03(e)/26-27

Earthwork in re-excavation / silt clearance of drainage channels in all kinds of soil including sludge and slush but excluding slush mixed with industrial wastes, sewage, municipal garbage, carcasses, etc and depositing thesameasper profile inproper place as directed by the Engineer-in-charge withou tcausing hindrance to traffic and posing health hazard andmaking arrangement tomaintain the site in workable condition including removal of polypacks, brickbats, stone ballasts& boulders, remnants of bullah&bamboo pins and all kinds of water hyacinth,solid/semi solid compact mass formed due to waterhyacinth and burning them to ashes or removing outside Govt land where necessary and removal of thick & thorny jungles upto 30 cmgirth including shoring and shuttering, if required,and including initial removal of sludge and slush etc by pan or bucket if required, andmaking arrangement for bailing out of any seepage water and removal of sand or soil blown from underneath, all complete. (Measurement : Pre-work and Post-work level section. Pre-work section tobe takenafter removal of water hyacinth and all other floating materials etc.) (b) By mechanical means using hydraulic excavators with in an initial lead of 30 M and an initial lift of 3.0 M