Meghalaya Basin Development Authority Tender

(v) Providing P.C.C. M20 architectural coping on top of retaining wall/breast wallincluding loading & unloading nad haulage.

(vi) Filter material behind retaining wall/breast wall as per Technical Specification Clause 1204.3.8 in a width of 600 mmincluding loading & unloading nad haulage.

Construction of granular sub-base by providing well graded material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with including loading & unloading nad haulage.smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material.

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 43 grade cement or any other type as per Clause 1501.2.2 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 0.2 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 leveling 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, dowel bars, near approaches to bridges/culverts and construction joints, admixtures as approved, curing of concrete slabs for 14-days, curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification Clause 1501including loading & unloading nad haulage.