Repairing and Renewal of Service Road by paver Machine in the Damage part of Gangsi Dy from Km 30.500 to 33.700 and Km 34.200 to 37.200 for F.Y 2022-23

Amount

Providing, laying, spreding and compacting stone aggregates of specific sized to water bound macadam (75 mm thick)specification including spreading in uniform thickness, hand packing, rolling with smooth wheel static roller 80-100 kn in stages to proper grade and camber, applying and brooming, crushable screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading III as per Technical Specification Clause 405.

Providing and applying primer coat with bitumen emulsion (MS-) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.85 kg/sqm using mechanical means as per Technical Specification Clause 502.

Providing and applying tackcoat with bitumen emulsion RS-1 using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specififcation Clause 503

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Bider - Providing and laying of open graded premix carpet of 20 mm thick composed of 13.20mm to 5.60 mm aggregates either using penetration grade bitumen or emulsion (bitumen VG-10 ) to required line, grade and leved 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.

Providing and laying seal coat sealing the voids on bituminious surface laid to the specified levels, grade and cross falls using Type C as per technical Specification clause 510.

SUBHASH CHANDRA