Details: construction of dry lean cement concrete sub- base over a prepared sub-grade with coarse and fine aggregate conforming to is: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, 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, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing. providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:1½:3 (1 cement: 1½ coarse sand (zone-iii) : 3 graded stone aggregate 20 mm nominal size) filling in foundation trenches and plinth in layers. not exceeding 150 mm thick well watered, rammed fully
Sector: Rural development