511/26ASHARITHAZHAM SOUTH ROAD RETARRING AND IRISH DRAIN CONCRETE IN WARD - 8

RE TARRING

75.5.5.A.1pb:Modified Penetration Macadam 50 mm thick using Bitumen S-65 - Packed Bitumen Rates Construction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kN static roller to achieve the desired degree of compaction as per Technical Specification Clause 506.

75.5.2.1pb:Tack Coat - With Packed Bitumen Rates Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

75.5.11.1.A.2pb:Mix Seal Surfacing - Manual Means - Type A - Bitumen S-65 - Packed Bitumen Rates 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) or 13.2 mm to 0.9 mm (Type-B) aggregates using penetration 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 By Manual Means Type A (II) Bitumen (S-65)

Irish drain

OD405273/2025-2026:Sectioning up to 150mm and forming the surface of OLD road way levelling. cambering etc, complete as per direction of engineer in charge

OD405275/2025-2026:Modified 75.8.1 Providing plain Cement Concrete for road work CC 1:2:4 (1 Cement: 2 fine aggregate:4 coarse aggregate) laid to required slope and camber in panels(@ 3 m c/c) as required including compaction, finishing and tamping etc complete. Max. size of coarse aggregate not exceeding 25 mm, mixed in concrete mixer etc complete as per specification without formwork.(i) Nominal mix (1:2:4)