597/26-27 MAINTENANCE OF G.P.O LANE UPPALAM ROAD ,TANK ROAD AND ITS BYELANES INTHAMPANOOR WARDD

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.

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

75.5.1.1pb:Prime Coat - Low porosity - With Packed Bitumen Rates <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

75.5.2.3pb:Tack Coat - With Packed Bitumen Rates <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.

75.5.5.B.2pb:Modified Penetration Macadam 75 mm thick using Bitumen S-65 - Packed Bitumen Rates <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.

75.5.2.1pb:Tack Coat - With Packed Bitumen Rates <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.

OD66055/2026-2027:Mix Seal Surfacing-Manual Means-Type A- Packed Bitumen S-65 and Anti stripping Agent. Providing, laying and rolling of close-graded premix surfacing material of 20mm thickness composed of 11.2mm to 0.9mm ( Type-B)aggregates using penetration grade bitumen to required line, grade& level to serve as wearing course on a previously prepared base, including in a suitable plant, laying& rolling with a three wheel 8-10 k N static roller& finishing to required level & grades as per Technical Specification Clause 509. By Manual Means Type A(II) Packed Bitumen (S-65).(Modified 75.5.11.1.A.2Z MORD)

1.8.1:Loading and Unloading of C.C. Blocks, Kerb, etc. <br> (i) Loading with care C.C. Blocks, km Stone, 200 m Stone, Boundary Pillar, Kerb, Channel, Bond Stone, etc. by manual means including a lead upto 30 m