Special Repair Work of Kumhara to Highway Link Road FY 2025-26

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 (with 22.4 - 53 mm size st. ballast) as per Technical Specification Clause 405.

Brick edging on both sides of the road of first class bricks 8 cm (3") wide and 12 cm. 4½"deep laid with mud mortar including labour and supply of. bricks finished to required template and proper alignment and also including dressing and ramming the excavated earth as directed by Engineer-in-Charge.

Providing and applying primer coat with Bitumen emulsion (SS-2) on prepared surface of granular base including cleaning of road surface and spraying primer at rate of 0.70 Kg/Sqm using mechanical means as per Technical Specification Clause 502.

Providing and applying tack coat with Bitumen VG-10 using emulsion distributor at the rate of 0.30 kg per sqm on the prepared granular surfaces treated with primer as per Technical Specification Clause 503.

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 Type as per Technical Specification Clause 508)

Providing and laying seal coat by manual means with VG-10 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 Clause 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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