Rural Development Department Tender

granular sub base with coarse graded materials ( Table:- 400-1) construction of granuar sub- base by providing close graded materials, soeading in uniform layers with motor graded on prepared surface, mixing by mix place method with front end loader at OMC, and compacting with vibrator roller to achieve the desired density, complete as per clause 401.

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 aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a Concrete mixture of not less than 0.2 cum capacity and appropriate weight batcher using approved mix design, laid in approved fixed sider formwork (Steel channel, laying and fixing of 125 micron thick polythine film, wedges, steel plates including lavelling the formwork as per drawing), spreading the concrete with shovels, rakes, Completed using needle, scread and plate vibrators and finished incountinuous operation including provision of construction and expansion, construction joints applying debonding strips, primer, sealant, dowel bars near approaches to bridge/culvert and construction joints, admixture as approved, curing of concrete slabes for 14 day using curing compound (Where specified) and water finishing to lines and grade as per drawing and technical specification clause 1501 (PCC grade M20)

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