No ./7396/CGSWC / CONST. / 2026-27 / Nawa Raipur Dt- 03.07.2026

Sacrifying Existing Granular Surface Depth of 50mm

Excavation in soil (by Manual Means )

Granular Sub-base as per Table:- 400-1 Construction of granular sub base by providing graded Mateial, , Carriage of mixed Material to work site spreading in uniform layers with motor grader on on perpared surface watering , rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401 Plant mix method ( with Mechanically crushed stone only) (A) For Lower Sub-base with (i) Grading-V Material

Wet Mix Macadam (Providing laying, spreading and compacting graded stone aggregate to wet mix machadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site laying in uniform layers with paver in sub -base / base course on well prepared surface and compacting with vibtatory roller to achieve the desired density as per clause

Dry Lean Cement Concrete Sub-base Construction of dry Lean Cement Concrete Sub-base as per IRC:SP-49 over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 26.5 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/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 as per clause 601.)

Cement Concrete Pavement (Construction of un-reinforced, dowel jointed, plain cement concrete pavement as per IRC:58 over a prepared sub-base, coarse and fine aggregate conforming to IS:383 and graded as per table 600-3 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, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing as per clause 602.) (A) Using Slip Form Paver (a) With Cement concrete grade M-40 and minimum cement content @ 400 kg/cum.

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