Periodical Maintenance to Sunamudi to Diadumer for the year 2025-26

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shurbs saplings and trees girth up to 300mm, removal of stumps of trees cut earlier and disposal of unservicable material to be used or auctioned, up to a lead of 1000 mtr including removal and disposal of top organic soil not exceeding 150mm in thickness.

Flank dressing to proper camber etc complete.

Cleaning the existing black topped surface with removal of foreign materials dusting with old gunny bags and/or compressed air to receive bituminous etc complete.

Providing ,laying , spreading and compacting stone agregates of specific sizes to WBM specification including spreading in uniform thickness , hand packing rolling with three whelled roller 80-100kn capacity in stages to proper camber grade ,applying & brooming requisite type of screening/binding materials to fill-up the interstices of coarse agregate watering and compacting to required density as per Technical Specification Clause-404 of MoSRT&H Specification for Road & Bridge works (4th revision)

Providing applying primer coat with bitumen emulsion (SS-I) over prepared surface of granular base including clearing road surface and spraying primer at the rate of 0.6 kg / sqm by mechanical means per clause 502 of MoSRT&H specification for road and bridge works(4 th Revision)

Providing Tack coat with penetration grade of bitumen emulsion etc complete

Lobour for lying 20mm thick premix carpet using 0.23cum of 13.2mm to 5.6mm size crushed stone chipping and 12.7kg penetration grade of bitumen for 9.29sqm including hire and running charges of PRR etc complete but excluding cost and conveyance.

Providing and laying Semi Dense Bituminous Concrete(SDBC) using crushed aggregate of grading-2 materials premixed with bitumenous binder@ 4.50 to 5.00%of mix and filler, transport the hot mix to work site, laying with a hydroststic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tendem rollers to achieve the desired compaction as per MoRT&H Clause No. 508 of MoSRT&H specifications for Road & Bridge works (4th Revision)

Earth work in hard soil or gravelly soil within 50m. Initial lead and 1.5m initial lift including rough dressing and breaking clods to maximum 5cm to 7cm and laying in layers not exceeding 0.3m in depth and as per the direction of the EIC.

Labour for laying sub-base in layers not exceeding 22.5cm watering and compaction with PRR but excluding cost, conveyance of sub-base materials etc complete.

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