Details: bill no. 1 bridge work foundation earthwork in excavation for structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deletarious material and disposal upto a lead of 50m, dressing of sides and bottom and backfilling trenches with excavated suitable material. i. ordinary soil 1) by mechanical means upto 3m depth ii. ordinary rock (not required blasting) upto 3m depth iii. hard rock (blasting prohibited) depth upto 3 m dewatering on bhp basis by using water pump including diversion of stream, providing cofferdams, earthern bunds etc. as may be necessary for foundation and other parts of the the works and pumping out water during and after excavation as may be required by using 5.0 to 9.0 bhp pump etc. complete. (prior approval of superintending engineer will be necessary) b1) for raft with cut off in sandy strata dewatering on bhp basis by using water pump including diversion of stream,
Sector: Road development