WBMAD/ULB/RSM/2037/25-26

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal /shingles ol specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc- as necessary, hand packing, sweeping, watering and rolling instages with power roller to proper line. grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specificalions for Road & Bridge Works of MoRT&H (sth Revision).(i) For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening.

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(ii) On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

Labour Welfare Cess @ 1%

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