West Bengal Agro Industries Corporation Limited Tender

Construction of subgrade and earthen shoulders with approved material obtained from barrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 for Rural Roads of MORD. (Borow pit /pre work post work measurement) a) Carned earth upto total lead of 2.00 km

Construction of Sub-Base using local Materials, spreading in uniforn layers with Motor grader prepared surface including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratoy roller to achieve the desired density lighting guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT& H (5th Revision). i) For Construction of Sub-Base by compacting 5.6 mm size stone chips and Medium sand. ln proportion of 40:60

Construction of un-reinforced, dowel jointed at expansion and construction joint only, plain cement Concrete pavement, thickness as per design over a prepared sub base with minimum cement cement@ 430 kg per cum, coarse and fine aggregate conforming to IS 383. maximum size of coarse aggregate not exeeding 25 mm, mixed in bating and mixing plant /RMC 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 Shovels, rakes Compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction, expansion, construction Joints, applying debonding strips, primer , sealant , dowel bars near approaches to bridge/ culvert and construction joints, admixtures as approved, curing of concrete slabs for 14 days, using curing compound (where specified) and water finishing to lines and grade as per drawing and Technical specification Clause 1501 for Rural Roads of MORD.