Repair of Road

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, including removal and disposal of top organic soil not exceeding 150 mm in thickness.

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material by Mechanical Means using Hydraulic excavator with in all lifts and lead

Compacting -Loosening, leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300-2 for embankment construction

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2

Water Bound Macadam: Grading-I (63 mm to 45 mm) Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. (a) Mechanical means (a) Using Screening Crushable type such as Moorum or Gravel etc., complete with all lead and lifts etc., complete as per the direction of the Engineer-in-charge of the work

Water Bound Macadam: Grading-II (53 mm to 22.4 mm) Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.(ii) water bound macadum (a) Using Screening screeninf type B (11.2 mm agg) etc.,complete with all lead and lifts etc., complete as per the direction of the Engineer-in-charge of the work

Providing and laying surface dressing as wearing course in single coat using crushed stone aggregates of specified size on a layer of bituminous binder VG-30 laid on prepared surface and rolling with 8-10 t smooth wheeled steel roller 19 mm nominal chipping size

Prime coat over WMM/WBM Providing and applying primer coat with SS1 grade Bituminous Emulsion on prepared surface of granular Base including cleaning with mechanical Broom of road surface and spraying primer at the rate of 0.90 kg/m2 using mechanical means.

Tack coat on Granular surface treated with primer-Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.25 kg/m2 on Granular Surface cleaned with mechanical broom etc., complete with all lead and lifts etc., complete as per the direction of the Engineer-in-charge of the work.

Providing, laying and rolling of Close-Graded Premix Carpet (OGPC) surfacing material by Manual Means of 20 mm thickness composed 13.2 mm to 0.9 mm (Type-B) aggregates using VG30 bitumen 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 8-10 kN static roller and finishing to required level and grades as per Technical Specification.Clause 507, Mix seal surfacing Type By manual means, using VG-30 Bitumen etc., complete with all lead and lifts etc., complete as per the direction of the Engineer-in-charge of the work.

Filling Pot-holes and Patch Repairs with Open-Graded Premix surfacing, 20mm (using VG-30 Grade Bitumen) Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 510 using HMP 40/60 TPH Capacity compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2

Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm (using VG-30 Grade Bitumen) Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504 using HMP 40/60 TPH Capacity compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2