Improvements Works of Village High School Road at Aliparamba Grama panchayth (Project No.23665)

3.2 Preparation of Foundation for Embankment Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying the existing bituminous roadsurface to a depth of 150 mm and disposal of scarified material with a lift upto 3 mand 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 soilby mechanical means including cutting and pushing the earth to site of embankmentupto a distance of 100 m, including trimming bottom and side slopes in accordancewith requirements of lines, grades and cross-sections

4.1.A.1 Granular Sub-base with Well Graded Material (Table 400.1) (A) By Mix in PlaceMethod Construction of granular sub-base by providing well graded material,spreading in uniform layers with motor grader on prepared surface, mixing by mix inplace method with rotavator at OMC, and compacting with smooth wheel roller toachieve the desired density, complete as per Technical Specification Clause 401. (i)For Grading I Material

4.9 Wet Mix Macadam Providing, laying, spreading and compacting graded stoneaggregate to wet mix macadam specification including premixing the material withwater at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper tosite, 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 desireddensity including lighting, barricading and maintenance of diversion, etc as perTables 400.11 & 400.12 and Technical Specification Clause 406. By MechanicalMeans with 1 km lead

OD134139/2025-2026 Modified 75.8.1 : Providing Plain cement concrete for road work CC 1:2:4 (1 cement:2 fine aggregate: 4 course aggregate) with out form work laid to required slope andcamber in panels (@ 3 m c/c) as required including compaction, finishing andtamping etc .complete. Max. size of course aggregate not exceeding 25mm , mixed in concrete mixer etc complete as per specification (i) Nominal mix (1:2:4)

5.1.1a Prime Coat :- Low porosity Providing and applying primer coat with bitumenemulsion (SS-1) on prepared surface of granular base including cleaning of roadsurface 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) usingemulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granularsurfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503

5.5.A.1a Modified Penetration Macadam 50 mm thick using Bitumen S-65 Construction ofpenetration macadam over prepared base by providing a layer of compacted crushedcoarse aggregate using chips spreader with alternate applications of bituminousbinder and key aggregates and rolling with a three wheel 80-100 kN static roller toachieve the desired degree of compaction as per Technical Specification Clause 506.

5.2.1a Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) usingemulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminoussurface cleaned with Hydraulic broom as per Technical Specification Clause 503.