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| 1 | ROAD RETARRING |
| 2 | 4.1.A.3:Granular Sub-base with Well Graded Material (Table 400.1)(A) By Mix in Place MethodConstruction 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (iii) For Grading III Material |
| 3 | 4.9:Wet Mix MacadamProviding, 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 |
| 4 | 75.5.5.B.2pb:Modified Penetration Macadam 75 mm thick using Bitumen S-65 - Packed Bitumen RatesConstruction 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 | 75.5.1.1pb:Prime Coat - Low porosity - With Packed Bitumen RatesProviding 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 |
| 6 | 75.5.2.3pb:Tack Coat - With Packed Bitumen RatesProviding 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. |
| 7 | 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. |
| 8 | 75.5.11.1.A.2pb:Mix Seal Surfacing - Manual Means - Type A - Bitumen S-65 - Packed Bitumen Rates <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 <br> Type A <br> (II) Bitumen (S-65) |
| 9 | 2.14.2.A:Dismantling of Flexible Pavements<br> Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specification Clause 202 <br> (II) By Mechanical Means<br> (A) Bituminous Courses |
| 10 | OD477056/2024-2025:Filling with contractor's own earth ( excluding rock) in trenches, plinth, sides offoundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer byramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-incharge |
| 11 | 3.5.2:Excavation in Soil with Dozer with lead upto 100 m <br> 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. |
| 12 | 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) |
| 13 | 11.4.3.1:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203<br>III. P.C.C. grade M 20 (i) Nominal mix (1:2:4) |
