Work Name:KIIFB-KRFB KASARAGOD DIVISION -URGENT MAINTENANCEWORK-FOREST PORTION IN KOLICHAL CHERUPUZHA HILL HIGHWAY IN KASARAGOD DISTRICT-General Civil Work
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Item Description
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ROAD PATCH WORK
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4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.
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55.4:Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.
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55.8.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.
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5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.
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5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.
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OD24186/2023-2024:Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (Type-A) aggregates using VG 30 grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 8-10 kN static roller and finishing to required level and grades as per Technical Specification Clause 509 of MORD
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