AR to Gursahayganj Sujansarai to Bhulbhuliyapur Road

WBM Grading 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.

Providing and applying Tack coat with bitumen VG-10 using pressure distributor at the rate of 0.35 kg per sqm on the prepared bituminous/granular surface treated with primer and cleaned with hydraulic broom as per Technical Specification. No. 503

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration or Emulsion grade bitumen to required line grade and level to serve as wearing course on a previously prepared base by manual means including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades to be followed by as per Technical Specification. No. 508.

Providing and laying seal coat by manual means with 80/100 grade Bitumen sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type C as per Technical Specification. No. 510.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.

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