Patching Work on left bank Service road of Purwa Branch From Km. 67.246 to 69.546 Km. Lot-4

Providing,Laying, spreading and compacting stone aggregates of 53-22.4 mm size 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 nterstices of coarse aggregate, watering and compacting to the required density. complete as per MoRD Technical Specification Clause 401. Including All Cost of Labour, Material and T&P etc. required for Proper Completion of Work.

Providing and applying primer coat with bitumen emulsion on (SS) prepared surface of granuler Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.

Providing and applying tack coat with VG_10 using bitumen distributor at the rate of 0.30 kg per sqm on the prepared surface cleaned with mechanical broom.

Providing laying & rolling of open - graded premix surfacing of 20 mm 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.

Providing and laying seal coat 'C' Type sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall.