Details: dismantling of existing b.t. surface (flexible pavement) to a depth of 50 mm. manually including loading of dismantled material to transport vehicle at site excluding lead charges 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 - ii material 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 of coarse aggregate not exceeding 25 mm, , cement content not to be less than 150 kg/ , optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 mpa at 7 days, mixed in a batching plant/ weigh batch mixer, transported
Sector: RDPR