Kolkata Municipal Corporation Tender

(b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring.

Supplying ready mixed concrete of M 25 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/ supplier] In Ground Floor and Foundation (i) With approved concrete pump

Supplying and fabricating 20 mm to 32 mm thick (finished thickness) M.S.flange, properly ribbed one face machined, including drilling holes as per standard table, fitting and fixing the same with M.S.pipe by electric arc welding as per relevant I.S. specification using standard electrodes and direction of the Engineer in charge. [The Engineer-in-Charge shall approve the electrodes for arc welding before use.] 500 mm dia.