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| 1 | Granular Sub-base with Close Graded Material (Table:- 400-1)Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 )for grading-IIIMaterial |
| 2 | Dry Lean Cement Concrete Sub- base (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/ 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.) |
| 3 | Cement Concrete Pavement (Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming 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, 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 ) |
| 4 | Providing and fixing of precast concrete interlocking blocks of M 30 grade manufactured from fully computerised automatic stationer hydraulic vibro pressed machine and fully computerised automatic batching plant of class A1 / A2 as per BS 6717: 2001 with rubber mould technology including painting with lacker polishing. The CC interlocking paving Blocks be laid on average 50 mm thick bed of coarse sand and the joint on is to be filled with fine sand. laying procedure on compacted subbase as defined. Complete job is to be executed as per the instruction of Engineer in charge. The rates to be inclusive of all lead and lift and taxes. General specification of blocks 1. Shape : As specified by Engineer-in-charge.2. Tensile splitting strength and breaking load as per BS : 6717-2001.3. Colour : Grey cement natural colour4. Variation in Dimension : Less than 1.6mm5. Variation in thickness : Less than 3.2mm P & F –do--60mm thick(M-30 Grade) –do-- |
| 5 | PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 mix with crushed stone aggregate 40 mm nominal size mechanically mixed,placed in foundation and compacted by vibration including curing for 14 days.) |
| 6 | Cast in Situ Cement Concrete M20 kerb (Construction of cement concrete kerb with top and bottom width 115 and 165 mm respectively, 250 mm high in M 20 grade PCC on M-10 grade foundation 150 mm thick, foundation having 50 mm projection beyond kerb stone, kerb stone laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 408) Using Concrete Mixer |
