special repair of sikandrabad khurja road to km 18 to dhameranara fauladpur link road - providing, laying, spreading and compacting stone aggregates of 22.4-53 mm sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with threewheel 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 as per technical specification clause 405. 2 providing and applying tack coat with bitumen vg-10 using bitumen pressure distributor at the rate of 0.30kg per sqm on the prepared granular surfaces treated with primer & cleaned with hydraulic broom as per technical specification clause 503. 3 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 surface. 4 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 5 earth work in patri repair with ordinary soil excavation to be in the form of regular pits not exceeding 0.50 m. in depth and earth work in patries should be including ramming and dressing the surface to required levels and slopes as directed by the engineer incharge. as per s.i. no. 253 a 6 maintenance charges for part-a(bituminous road part)maintenance will be done by the contractor for 5 years from the date of actual completion of work as per enc circular no 3689c-oprmc/mul-23-24 date 17-02-24.