Details: (sh:- construction of 10m span r.c.c minor bridge) annexure-i excavation for structures (earth work in excavation of foundation of structures as per drawing and technical specification, i/c setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work)(i) ordinary soilb mechanical means (depth upto 3m) cement concrete 1:4:8 mix with stone aggregate 40 mm nominal size in foundation upto a depth of 1.5 metres below ground level and upto height of 1.5 m above ground/bed level. plain cement concrete m15 mix with stone aggregate 20mm nominal size mechanically mixed and vibrated in foundation upto depth of 1.5m below ground/bed level and or 1.5m. above ground /bed level i/c formwork. reinforced cement concrete m 20 mix with stone aggregate 20 mm nominal size mechanically mixed and vibrated for bed plates and walls e
Sector: PWD