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| 1 | Tarring and Inter Locking |
| 2 | 16.1Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity afterexcavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road rollerincluding making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth withlead upto 50 metres |
| 3 | od353623/2021_2022Filling with departmental earth ( excluding rock) in trenches, plinth, sides of foundations etc. in layers notexceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 mand lift up to 1.5 m as per direction of site Engineer-in-charge |
| 4 | od354644/2021_2022Providing and laying 80 mm thick factory made cement concrete interlocking paver block of M - 30 grademade by block making machine with strong vibratory compaction, of approved size, design & shape, laidin required colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling thejoints with fine sand etc. all complete as per the direction of Engineer-in-charge. |
| 5 | 4.1.3Providing and laying in position cement concrete of specified grade excluding the cost of centering andshuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mmnominal size) |
| 6 | 4.9Wet Mix MacadamProviding, laying, spreading and compacting graded stone aggregate to wet mix macadam specificationincluding premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixedmaterial by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-baseand compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density includinglighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and TechnicalSpecification Clause 406.By Mechanical Means with 1 km lead |
| 7 | 5.1.1aPrime Coat :-Low porosityProviding and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular baseincluding cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanicalmeans as per Technical Specification Clause 502 |
| 8 | 5.2.3aTack CoatProviding and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulicbroom as per Technical Specification Clause 503. |
| 9 | 5.9.1.2a20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder -Bitumen S-65Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and levelto serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying androlling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to befollowed 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) |
| 10 | 5.12.A.3.2aSeal Coat - Manual Means - Type C - Bitumen S-65Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, gradeand cross fall using Type A, Type B and Type C as per Technical Specification Clause 510A.By Manual Means:-Case - III : Type C(II)Bitumen (S-65) |
