Details: 11-1 excavation for structuresearthwork 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 deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.11-1-1 ordinary soil granular sub-base with close graded material (table:- 400-1) by mix in place method(construction of granular sub-base by providing close graded material, spreading inuniform layers with motor grader on prepared surface, mixing by mix in place method withrotavator at omc, and compacting with vibratory roller to achieve the desired density,complete as per clause 401) concrete with cement, coarse sand and 40 mm gauge stone ballast in proportion 1:4:8 in foundations and floors including supply of all material, labour and t&p etc. required for proper completion of the work. as per drawings and technical specifications
Sector: Urban Authority