WBPWD/RD/AE /QCSD_I/NIT_ 24_1 /25_26

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials / laterite / Jhama / broken shingles / coated stones of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries.

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning..) For pot holes repairin For patch bm

Repairing pot-holes and makingup small depressions with ramming or power rolling includingscreening, cleaning chips or metals and washing, dryingas necessary and heating the chips or metal etc. With premixed Chips orBajrees with 54 kg of bitumen per m3 of loose net volume of stone chips etc . (b) Using Mobile HMP (Light duty)

Providing and applying prime coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning..

Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) etc.

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 andbitumen binder on thoroughly cleaned black top surface etc.

SUB TOTAL

GST @ 18% over Sl. No. 1 to 7

Labour Welfare Cess @ 1% over Sl. No. 1 to 7

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