Haldia Development Authority Tender

Compacting original ground supporting embankment Loosening, Leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density.

Supplying, spreading and consolidating moorum at desired density and C.B.R. as per specification with hand roller or power roller to proper gradient and camber including watering as necessary, lighting, guarding barricading and making earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks by compaction where necessary complete as per specification. (The payment is to made on the basis of the finished compacted volume of moorum).

Construction cement concrete pavement of M20 grade, thickness as per design, over a prepared sub base, with cement content as per IRC: 15-2011, coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batch mix plant / RMC and appropriate weigh batcher using approved mix design (as per IRC:44 2008), 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 / plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, polysulphide sealant, dowel bars, near approaches to bridge/ culvert and construction joints, admixtures as approved, curing of concrete slabs 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. (Including all material, polithin sheet and shuttering complete ).