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Tender For 4) Repair/Rehabilitation Work On L165-Kesariyadad To Dharwadiya Fala - 1 Plain/reinforced cement concrete in substructure complete as per drawings and MoRTH specification Clauses 1700 and 2200 R.C.C. grade M 25 2 Supplying, fitting and placing HYSD bar reinforcement (Fe 415) in substructrue complete as per drawings and MoRTH specification Clauses 1009,1600 & 2202 3 Providing and laying reinforced cement concrete in superstructure as per drawing and MoRTH specifications Clauses 1700, 2302 and 2304 R.C.C. Grade M 30 4 Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and MoRTH specifications Clauses 1009,1600 and 2302 5 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. 6 Construction ofun-reinforced, plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 602.2.2 M30 (Grade), coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.5 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed Side Formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days, using water finishing to lines and grade as per drawingand MoRTH Specification Clause 602 including vaccum dewatering process with all required equipments (Dowel Bars will be paid seprately)
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