IMPROVEMENTS OF CHOWARA PARAPPADARNNA ROAD WARD 13

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.

OD140664/2026-2027:Granular Sub-base with Well Graded Material (Table 400.1) (A) By Mix in Place Method Construction of granular sub-base by providing well graded material, spreading in uniform layers on prepared surface, mixing by mix in place method at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (i) For Grading I Material (Derived from MORD 4.1.A.1, Tractor Mount Grader and Tractor with Rotevator excluded)

OD188588/2026-2027:Providing and laying of interlocking concrete block pavements using 80 mm M40 Hydraulic blocks approved size, design and shape, laid in required pattern over and including a compacted bed of 6mm stone aggregate of 50 mm average thickness, etc all complete as per the direction of Engineer in charge.

75.8.1.1.A:Providing Plain cement concrete for wearing coat CC 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. Max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) Nominal mix (1:2:4)

5.2.1a:Tack Coat 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.

5.5.B.2a:Modified Penetration Macadam 75 mm thick using Bitumen S-65 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. (B) 75 mm thick :- (II) Bitumen (S-65)

75.5.11.1.A.2Z:Mix Seal Surfacing - Manual 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 Manual Means Type A (II) Bitumen (S-65)

OD81581/2026-2027:Supplying and Fixing Information Board 75x60 cm size using GI pipes as post and 1mm MS sheet surrounded by MS angles including painting, lettering and fixing etc. complete.