Periodic Maintenance on Fatehpur Chandesh Durgapur Road Km. 0/0 to 22/0

Amount

Providing, laying and rolling of 75mm (seventy five millimetre) thick built-up spray grout layer over prepared base consisting of a two layer composite construction of crushed coarse aggregates using motor grader for laying of aggregates, using chips spreader for laying of key aggregate with application of bitumen binder after each layer and with key aggregates placed on top of the second layer to serve as a base, confirming to the line, grade and cross section as per technical specifications clause 505 by manual means with bitumen using S-90 or VG-10 hauling / carriage of material through all modes of trasportation with in all leads and lifts as per direction of Engineer-in-charge.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing and laying bituminous concrete 30mm (Thirty millimetre) thick with 100-120 TPH batch type hot mix plant producing an averege out put of 75 tonnes per hour using crushed aggregateof specific grading premix with bituminous binder @ 5.4 to 5.6 percent (five point four to five point percent ) of mix filleren tranported and hot mix to work to site upto a lead of 1000 metre (one thousand metre) laid over a previously prepered surface with hydrostatic paver finisher with sensor control to the required grade level and alignment rolling with smooth wheeled vibratry and tandom roller to achieved the desired compaction as per technical specification clause 509 with in all leads and lifts as per direction of Engineer-in-charge.

SUNIL KUMAR