Periodic maintenance of Chaunan to Kot road Km. 0/00 to 8/00 under PMGSY incentive scheme for the year 2019-20

Amount

Providing , laying and rolling of built-up spray grout laryer over prepared base consisting of a two layer composite construction of crushed coarse aggregates using motor grader for aggregates. Key stone chips spreader may be esed with application of bituminous binder after each layer, and with key aggregates placed on top of the second layer to serve as a base, conforming to the line, grades and cross - section specified the compects layer thickness being 75 mm (seventy five milimetre) as per Technical Specification Clause 505. By manual means including carriage of materials with in all leads, lifts and other incidentals.

Providing and applying tack coat with bitumen emulsion (RS-I) on the dry and hungry bitumen prepared surface cleaned of dust and extraneous material with Hydraulic brooms or any other approved equipment and spraying priming at the rate of 0.25 to 0.30 Kg. per sqm ( zero point two five to zero point three zero kilogram per square metre) with emulsion pressure distributor equipped for spraying uniformly complete as per technical specification clause 503 including carriage of material within all leads, lifts and other incidental charges and as per the entire satisfaction and direction of Engineer-in-Charge.

Providing and laying 25mm (twenty five millimeter) thick bituminous concrete with 100-120 (hundred-one hundred twenty) TPH batch type hot mix plant producing an average output of 75 (seventy five) tonne per hour using crushed aggregates of specified grading premixed with bituminous binder VG-30 @ 5.4 to 5.6 (five point four to five point six) percent of mix and filler transporting the hot mix to work site laying with hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT & H specification Clause 509 complete in all respects including carriage of materials with in all leads, lifts and other incidentals.