Annual Maintenance Plan for the year 2024-25 on Gushaini to Pekhri road km 0-0 to 9-200

Amount

Providing laying spreading and rolloing if built up spray grouting layer over prepared base consisting of a two layer composite const of crushed coarse aggregates Using motor grader for aggregates Key stone chip spreader may be used with application of bituminous binder after each layer and with key aggregates placed on top of the 2nd layer to serve as a base conforming to the line grade and cross section specidied the compacted layer thickness being 75 mm (Seventy five millimetre) as per technical specification clause 505 with bitumen (S-90) by Manual means.

Prroviding and applying tack coat with bitumen emulsion (RS-I) using emulsion distributor at the rate of 0.25 to 0.30 kg (zero point twenty five to zero point thirty kilogram per sqm on the prepared dry and hungry bituminous surface with hydroaulic broom as per techincal specification.

Providing, laying and rolling of close-graded mix seal surfacing material of 25 mm (twenty five milimetre) thickness composed of 13.2 mm (thirteen point two milimetre) to 0.9 mm (zero point nine milimetre) (Type-B) @ 0.338kg/per ten sqaure metre aggregates using penetration grade bitumen @ ie binders content @ 23.75kg/10sqm or 5.11% by weight and minimun density of MSS should be 2.10 gram/cc 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 8-10 kN static roller and finishing to required level and grades as per Technical Specification Clause 509 including all leads, lifts and carriage of materials complete as per entire satisfaction of the Engineer in charge.

SANDEEP KUMAR SHARMA