343/26 Kallampara Pullanikkad road retarring in ward 4

Retarring works.

3.15.2:Compacting Original Ground<br> (ii) Compacting original ground supporting subgrade<br> Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.

OD474874/2025-2026:Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish , lead up to 50 m and lift up to 1.5 m all kind of soil.

3.2:Preparation of Foundation for Embankment <br> Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means <br> 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.

OD474873/2025-2026:Granular Sub - base with Well Graded Msterial (Table 400.1) (A) By mix in place method Construction of Granular Sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC ,and compacting with plate Vibrator to achieve the desired density , complete as per Technical Specification Clause 401 (i) For Grading 1 Material.

4.9:Wet Mix Macadam <br> 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. <br> By Mechanical Means with 1 km lead

5.5.A.1a:Modified Penetration Macadam 50 mm thick using Bitumen S-65 <br> 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.

5.1.1a:Prime Coat :- Low porosity <br> 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 <br>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.

5.2.1a:Tack Coat<br> 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.

5.11.1.A.2a:Mix Seal Surfacing - Manual Means - Type A - Bitumen S-65 <br> 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 <br> By Manual Means :- Type A <br> (II) Bitumen (S-65)

OD474878/2025-2026:Providing and fixing Granite of any colour and shade for Name board,of required size laid over base of cement morter 1:4 (1 cement : 4 coarse sand), Including all charges etc complete at all levels, Including lettering & fixing

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