Work Name:30/2021 /ANTR/ 11 NanicheriGail pipe road restoration work
Sl. No.
Item Description
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ch:0/000 TO 0/430 km
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4.1.A.1 : Granular Sub-base with Well Graded Material (Table 400.1) (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 rotavatorat OMC, and compacting with smoothwheelroller to achieve thedesired density, complete as per Technical Specification Clause 401. (i) For Grading I Material
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4.9 : Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing thematerial with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, layingin uniform layers in sub-base/base course on a well prepared sub-base and compacting with smoothwheel 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
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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
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75.5.2.3pb : Tack Coat - With Packed Bitumen Rates Providing and applying tack coat with Bitumen emulsion (RS-1)using emulsiondistributor 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.
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75.9.3.pa : Plastic Roads - Bitumen S-65
Plastic roads- Bulk Bitumen Rate
20mmthick Open-Graded Premix Carpet using Bituminous (penetration grade/modifiedbitumen) Binder -
Bitumen S-65 - Bulk Bitumen and Shredded Plastic
Providing, laying and rolling of open-graded premix carpet of 20 mm thicknesscomposed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen oremulsion to required line, grade and level to serve as wearing course on a previouslyprepared base, using HM Plant attached with open pugmilll.Heating of aggregate at 150degree Celsius to 170 degree Celsius, then transferring the hot aggregate to pugmill andadd shredded plastic @10.22 kg/100m2 mixing well to form a uniforth thin layer of plasticOver-hot aggregate and adding hot bitumen (150 to 165 degree Celsius) @ 13.578Kg/10m2 and mix well, laying and rolling with a three wheel 80-100 kN static rollercapacity, finished to required level and grades to be followed by seal coat of either TypeA or Type B or Type C as per Technical Specification Clause 508
Case - I ByManual Means
(II) Bi umen (5-65)
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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 CaseIII :Type C (II) Bitumen (S-65)
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3.14 : Construction of Subgrade and Earthen Shoulders Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.
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