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| 1 | RETARRING WORKS |
| 2 | 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. |
| 3 | 3.2 : Preparation of Foundation for EmbankmentScarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical MeansScarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4. |
| 4 | 3.15.2 : Compacting Original Ground
(ii) Compacting original ground supporting subgrade
Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2. |
| 5 | 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 |
| 6 | 75.5.2.1pb : Tack Coat - With Packed Bitumen Rates
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. |
| 7 | 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 |
| 8 | 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. |
| 9 | 75.9.3.pb.pa : Plastic roads- Packed Bitumen Rate
20mm thick Open-Graded Premix Carpetusing Bituminous (penetration grade/modified bitumen) Binder -
Bitumen S-65 -Packed Bitumen and Shredded Plastic
Providing, laying and rolling of opengradedpremix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregateseither using penetration grade bitumen or emulsion to required line, grade and level toserve as wearing course on a previously prepared base, using HM Plant attached withopen pugmilll.Heating of aggregate at 150 degree Celsius to 170 degree Celsius, thentransferring the hot aggregate to pugmill and add shredded plastic @10.22 kg/100m2mixing well to form a uniform thin layer of plastic over - hot aggregate and adding hotbitumen (150 to 165 degree Celsius) @ 13.578 Kg/10m2 and mix well, laying and rollingwith a. three wheel 80-100 kN static roller capacity, finished to required level and gradesto be- followed by seal coat of either Type A or Type B or Type C as per TechnicalSpecification Clause 508
Case - I By Manual Means
(II) Bitumen (S-65) |
| 10 | 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) |
| 11 | IRISH DRAIN |
| 12 | od1478527/2021_2022 : od53141/2019-2020: Surface dressing of the ground in All kinds of soil including removingvegetation and in-equalities not exceeding 15cm deep and disposal of rubbish,lead up to 50m and lift up to1.5m. |
| 13 | 75.8.1 : Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. Max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) Nominal mix (1:2:4) |
| 14 | od1478528/2021_2022 : Supplying and Fixing name board of size 75*60cm size using GI pipe as post and 1mm thick MS sheet surrounded By MS angles including painting lettering and fixing in concrete etc as per direction of Engineer-in-charge |
