Tender For 1) Cd Repair Work On Ghantali Danpur To Parvi Under Sr Programme Year 2025-26 - Earth work in excavation for foundation of structurecompletewith all lift, dewatering, shoring and shuttering etc. including refilling of trenches in 250 mm layers, ramming, watering and disposal of surplus earth with all lifts and lead upto 1000 meters exclusive of compensation of earth as per MoRTH specification Clause 301 to 305. In hard soil Depth upto 3 metre 2 Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and MoRTH specifications Clause 1702, 1703, 2102 & 2104 P.C.C grade M 10 Nominal mix 1:3:6 3 Providing and laying Cement concrete for plain/reinforced concrete in open foundation as per drawing and technical specification as per MoRTH Specification : Section 1500, 1700 & 2100 including form work at any level. P.C.C. grade M20 4 Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granularmaterial in single row includingfixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 2905. 1200MM DIA 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 M30 (Grade), thickness as per design, over a prepared sub base, with 43/53 grade cementas per Clause 602.2.2 , coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a in fullyautomatic Batching Plant andtransported to site intransit mixer for having continous agitated mixer, manufactured as per approved mix designincluding pumping of R.M.C. from transit mixer to site of laying , with all lead and lift including cost of admixtures in recommended portion as per IS 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer in charge 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 Fixed Form Paver 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).
