Tender For Permanent Restoration Work From Samited To Mal Km 1/900 -2/500 - Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300-1 and 300-2 with a lead upto 50 m as per MoRTH Specification Clause 305.3 2 Crusher Run Macadam Base Providing crushed run stone aggregate greading conforming to table 400-14 depositing on a prepared surface by hauling vehicles, spreading and mixing witha motor grader, watering and compacting with a threewheel 80-100 kN static roller as per MoRTH Specification Clause 407 to form a layer of sub-base/base By mix-in-place method With 53 mm maximum size of aggregates 3 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 notxceeding 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 tonnes vibratory sensor, compacting with 8-10 roller, finishing and curing.) 4 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 drawing and MoRTH Specification Clause 602 including vaccum dewatering process with all required equipments (Dowel Bars will be paid seprately). 5 Earth work in excavation for foundation of structures upto 3 m depth as per drawing and MoRTH specification Clause2903includdingsettingout, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Plain Cement Concrete M10(1:3:6nominalmix) inlevelling course below open foundation of Head wall sas per drawings & MoRTH Specification Clause 2908 7 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 15, Nominal mix (1:2.5:5)
