Construction of CC road from Telipara main road to Kushaa house in Ratiza village of Pali Block under CSR Activities of SECL, Dipka Area

Scarifying Existing Granular Surface to a Depth of 50 mm by Manual Means Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres. (refer clause two of General Notes)

Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 400-1 & Table 400-2) Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification

Dry Lean Cement Concrete Sub- base (Construction of dry lean cement conrete Sub-base over a prepared sub-grade with coarse and fine aggregate confirming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not exceed 15:1, aggregate gradation after blending to be as per table 600- 1, cement content not to be less than 150 kg/cum, 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).

Cement Concrete pavement (Grade M-30) (Construction of un-reinforced, dowel jointed, plain cement concrete pavement M-30 grade concrete over a prepared sub base with cement, coarse and fine aggregate confirming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, seperation membrane, sealant primer, joint sealant, debonding strip, admixtures as approved, curing compound, finishing to lines and grades as per drawing as per IRC 15 2011 and as per relevent clauses of section 602 of specifications complete but excluding cost of steel in dowel bar and tie rods etc)