tender for drainage work on chakbakar road from cc road in chakbakar under manihari development block - earth work in excavation earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. s.i no-251 2 pcc grade m-10plain cement concrete m15 in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and complacted by vibration including curing for 14 days. foundation 3 filling in foundation trenches as per drawing & technical specification clause 305.3.9 4 rcc grade m25rcc grade m25 (using concrete mixer) 5 supplying, fitting and placing tmt bar reinforecement in super-structure complete as per drawing and technical specifications 6 s/f of sign board & photography