Work Name : 2021-22-Chottanikkara GP-96/22Sadhanam Road Retarring in ward no.14
Sl. No.
Item Description
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Re Tarring
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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.
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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.
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75.5.2.1pb : Tack Coat - With Packed Bitumen RatesProviding 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.
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75.5.9.1.2pb : 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 - Packed Bitumen RatesProviding, 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.Case - I ByManual Means(II)Bitumen (S-65)
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75.5.12.A.3.2pb : Seal Coat - Manual Means - Type C - Bitumen S-65 - Packed Bitumen RatesProviding 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 510A.By Manual MeansCaseIII :Type C(II)Bitumen (S-65)
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od1366738/2021_2022 : Sectioning up to 150mm and forming the surface for OLD road way levelling,<br>cambering etc complete as per direction of Engineer in charge
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75.8.1.1.A : Providing Plain cement concrete for wearing coat CC 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. Max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) Nominal mix (1:2:4)
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