Details: item no. 1:-excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. (lift upto 1.5 m.) by mechanical means item no.2:-construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader / paver on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with vibratory roller to achieve the desired density, complete as per clause 401 -- by mix in place method and grading - i material item no.3:-construction of dry lean cement concrete sub- base over a prepared sub-grade with coarse and fine aggregate ( natural sand/ vsi grade finely washed crushed sand) conforming to is: 383, the size
Sector: RDPR