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| 1 | MAINTENANCE OF ROAD |
| 2 | 3.2:Preparation of Foundation for Embankment <br> Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means <br> Scarifying 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. |
| 3 | 4.11.2:Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal. Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. <br>(ii) Using Gravel mix soil. |
| 4 | 5.5.A.1a:Modified Penetration Macadam 50 mm thick using Bitumen S-65 <br> 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. |
| 5 | 5.5.B.2a:Modified Penetration Macadam 75 mm thick using Bitumen S-65 <br> 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. <br> (B) 75 mm thick :- (II) Bitumen (S-65) |
| 6 | 5.2.1a:Tack Coat<br> 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 | 5.9.1.2a:20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 <br> Providing, 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. <br> Case - I By Manual Means <br> (II) Bitumen (S-65) |
| 8 | 5.12.A.3.2a:Seal Coat - Manual Means - Type C - Bitumen S-65 <br> 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 <br> A. By Manual Means :- Case - III : Type C <br> (II) Bitumen (S-65) |
| 9 | 11.4.2.1:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 <br>II. P.C.C grade M 15 <br> (i) Nominal mix (1:2.5:5) |
| 10 | 11.4.4:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203<br> IV. R.C.C grade M 20 |
| 11 | 11.8:Supplying, fitting and placingTMT bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202 |
| 12 | OD268767/2022-2023: Item Shifted to Sub head 14 as item 14.73Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works |
| 13 | OD267627/2022-2023: Filling with Quarry MuckFilling up low lying and water logged areas with local material/ quarry muck, spreading in layers, leveling the top at site and consolidation by ramming, etc complete for improving the CBR value of subgrade |
| 14 | 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) |
| 15 | OD267633/2022-2023: Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approves steel primer.G.I. pipes (modified 10.26.3). |
