PROJ NO 310 VENPAKAL VELLAMKULAM ROAD RENOVATION

3.2:Preparation of Foundation for Embankment Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

3.5.2:Excavation in Soil with Dozer with lead upto 100 m Excavation for roadway in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections.

OD532618/2025-2026:Filling with quarry muck filling up low lying and water logged areas with local materials and quarry waste spreading in layers levelling the top at site and consolidation by ramming etc complete for improving CBR value of subgrade.

4.9:Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406. By Mechanical Means with 1 km lead

5.1.1a:Prime Coat :- Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

5.2.3a:Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

75.5.11.2.A.2Z:Mix Seal Surfacing - Mechanical Means - Type A - Bitumen S-65 and Antistripping Agent 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 Mechanical Means Type A (II) Bitumen (S-65)

75.8.1:Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. Max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) Nominal mix (1:2:4)

75.8.1.1:Providing plain/reinforced concrete(1 cement:2 fine aggregate: 4 course aggregate) forsubstructure as per drawings and technical specifications Clause 802, 803, 1202 & 1203as required including compaction, finishing and tamping etc .complete. Max. size ofcourse aggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) Nominal mix (1:2:4)