MRR 2024-25

Construction of Granular sub-base by providing HBG material confirming to Grading - VI of MoRT&H (Table 400-1 & 400-2) including cost, and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix-in-place method with rotavator / approved means at OMC and compacting with vibratory roller to achieve CBR value minimum of 30% at 98% of dry density and PI value maximum 6, complete for finished item of work as per MoRT&H Specification 401 (5th revision) including contractors profit & Over head charges excluding Seignarage charges etc

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.275 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom,as directed by the Engineer-in-Charge and as per Technical Specification Clause 503 MoRT&H (5th Revision), including overhead charges & Contractors profit excluding Seignarage charges etc complete.

Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of grading-II premixed with bituminous binder 60/70 @ 5.4 to 5.6 percent of mix and filler with stone dust, transporting the hot mix to work site, laying with a Mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects

1501.2.2 M30 (Grade), coarse and fine aggregates (Natural sand 50%+Manufactured sand(Rock Sand)50% ) conforming to IS : 383, 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 levelling the formwork as per drawing), spreading the concrete with sholvels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion and construction joints, applying primer, sealant, 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 1501 MORD including overhead charges & Contractors profit excluding Seignarage charges etc complete.