Mananthavady Municipality 2020 21 Kallumottankunnu road retarring

Amount

APPENDIX A-Retarring works

15.2.2 : Maintenace of bituminous surface road <br> Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method filled with 75mm B.M, applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per technical specifications Clauses 502 and 503.

4.1.A.2 : Granular Sub-base with Well Graded Material (Table 400.1)<br>(A) By Mix in Place Method <br> 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II 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

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.A.1pb : Modified Penetration Macadam 50 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.

75.5.5.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.

75.5.9.1.2pb : 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 - Packed Bitumen Rates<br> Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion 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 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. <br> Case - I By Manual Means <br> (II) Bitumen (S-65)

75.5.12.A.3.2pb : Seal Coat - Manual Means - Type C - Bitumen S-65 - Packed Bitumen Rates <br> Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 <br> A. By Manual Means <br> Case III : Type C <br> (II) Bitumen (S-65)

3.5.1 : Excavation in Cutting in Soil by manual means with lead upto 50 mExcavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3

3.19.1.A : Surface Drains in SoilConstruction of unlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307.(A)Manual Means

Bidder Name

PINARAYI INDUSTRIAL CO OPERATIVE SOCIETY LTD