New Town Kolkata Development Authority Tender

Earthwork inexcavationof foundation trenches or drains, inall sorts of soil (including mixed soil but excluding lateriteor sandstone) including removing, spreading or stacking the spoils with in alead of 75m. as directed. The item includes necessary trimming the sidesof trenches, levelling,dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Brick soling with picked jhama bricks including preparation of bedas necessary with brick joints properly filledinand packed with powdered earth and including necessary cushion of similarmaterial below the soling (and in between layers when more than one layer is used) completes as per direction. (b) Double brick flat soling (thickness 150 mm.)

Supplying ready mixed concrete of M 20 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [Cement to be supplied by the Manufacturer or supplier] In Ground Floor and Foundation (ii) With approved concrete pump.