Nochad GP 2021-22 (32/22) Kaniyamkandy Meethal Vadakkayil Meethal Road Improvement

Amount

75.5.5.A.1pb : Modified Penetration Macadam 50 mm thick using Bitumen S-65 - Packed Bitumen Rates - 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 - 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.

75.5.6.A.1.2pb : Surface Dressing using Bituminous (Penetrations grade / modified bitumen) Binder - Bitumen S-65 - Packed Bitumen Rates - Providing and laying surface dressing as wearing course consisting of a layer of bituminous binder laid on the prepared surface, followed by a cover of crushed stone aggregates of specified size and rolling with three wheel 80-100 kN static roller including cleaning the road surface as per Technical Specification Clause 507. <br> (A) By Manual Means - Case - I: Nominal Chipping Size 13.2 mm - II Bitumen S-65

75.5.2.2pb : 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 dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

4.1.A.1 : Granular Sub-base with Well Graded Material (Table 400.1) <br> (A) By Mix in Place Method - 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.- (i) For Grading I Material

4.9 : Wet Mix Macadam - 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. - By Mechanical Means with 1 km lead

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

75.9.3.pb.pa : Plastic roads- Packed Bitumen Rate - 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 - Packed Bitumen and Shredded Plastic<br> <br> Providing, laying and rolling of opengraded 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, using HM Plant attached with open pugmilll.Heating of aggregate at 150 degree Celsius to 170 degree Celsius, then transferring the hot aggregate to pugmill and add shredded plastic @10.22 kg/100m2 mixing well to form a uniform thin layer of plastic over - hot aggregate and adding hot bitumen (150 to 165 degree Celsius) @ 13.578 Kg/10m2 and mix well, 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 - Case - I By Manual Means - (II) Bitumen (S-65)

75.5.12.A.3.2pb : Seal Coat - Manual Means - Type C - Bitumen S-65 - Packed Bitumen Rates - 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 - A. By Manual Means - Case III : Type C - (II) Bitumen (S-65)

3.7 : Removal of Unsuitable Soil with Disposal upto 1000 m Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

75.8.1 : Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4 course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as required including compaction, finishing and tamping 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)

GOVINDAN NAIR N M

moolad