Ordinary repair DPP for short termaintenance of NH-62 from Km 55.00 to Km 63.00 Km 91.00 to Km 104.00 Km 105.00 to 111.00 and Km 187.00 to 194.00 in the state of Meghalaya for the year 2021-22

4.9: 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 8-10 tonnes 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. This includes loading unloading, haulage , forest royalty and all applicable taxes complete as directed (iii) Grading III (Using Screening Crushable type such as Moorum or Gravel)

5.1: Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.This includes loading unloading, haulage , forest royalty and all applicable taxes complete as directed

5.2: Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg/sqm on the prepared bituminous/granular surface cleansed with mechanical broom. This includes loading unloading, haulage , forest royality and all applicable taxes complete as directed.

5.10/i: Providing, laying and rolling of open graded premix surfacing of 20mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back 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 smooth wheeled roller 8-10 tonne capacity, finished to required level and grades. This includes loading unloading, haulage , forest royality and all aplicable taxes complete as directed.

5.12/i: Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using type A coat. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed .

3.18: Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained fron borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

3.24: Construction of unlined surface drain of average cross sectional area 0.4sqm in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment within a lead of 50m(average lead 25m). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed. (By Mechanical Means)

3.24: Construction of unlined surface drain of average cross sectional area 0.4sqm in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment within a lead of 50m(average lead 25m). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed. (By Manual Means)

12.1:Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

13.4: Stone masonry work in cement mortar 1:6 for R/wall, B/wall, substructure complete as per drawing and Technical Specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

13.3: Plastering with cement mortar (1:3) on brick work in sub-structure as per Technical Specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

14.16: Painting Two Coats on New Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

16.18 : Replacement of damaged concrete railing. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

2.4: Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding where ever necessary, sorting the dismantled material disposal of unserviceable material and stacking the serviceable matetial with all lifts and lead of 1000 metres. This includes loading unloading, forest royalty and all applicable taxes complete as directed. (iii) Dismantling Stone Masonry Rubble stone masonry in cement mortar

Dry Rubble masonry

12.1:Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material). This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

13.3: Plastering with cement mortar (1:3) on brick work in sub-structure as per Technical Specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

13.4:Stone masonry work in cement mortar 1:3 for R/wall, B/wall, substructure complete as per drawing and Technical Specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed. Random Rubble masonry

Random dry Rubble masonry

13.5:Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed.

13.9:Backfilling behind abutment, wing wall and return wall complete as per drawing and technical specifications. This includes loading unloading, haulage , forest royalty and all aplicable taxes complete as directed. Granular material

Sandy material

Niku Saha