Blacktopping of JKSPDC Colony and Office Road at JKSPDC Complex at Draba

Preparation of subgrade by excavating earth to an average of 22.5 cm depth, dressing to camber and consolidation with road roller of 8-12 tonne capacity including making good the undulation etc. and disposal of surplus earth upto 50 meters.

Consolidation of subgrade with power road roller of 8 to 12 tonne capacity including making good the undulations etc. with earth or quarry spoils etc. and rerolling the subgrade.

Graded crushed stone aggregate of size 53 mm to 22.4 mm

stone screenings/ chippings at site. 13.2 mm nominal size (Type A)

stone screenings/ chippings at site. 11.2 mm nominal size (Type B)

Moorum

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening /binding material to fill up interstices of coarse aggregate, watering and compacting to the required density: Base course with 53 mm to 22.4 mm size including stone screenings 11.2 mm size

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface and cleaning with mechanical broom. With medium setting bitumen emulsion. On W.B.M. /W.M.M. @ 0.4 Kg/sqm.

Providing and laying bituminous macadam using crushed stone aggregates of specified grading premixed with bituminous binder, transported to site by tippers, laid over a previously prepared surface with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge. 16.63.1 50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 3.5% (percentage by weight of total mix) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. 50 to 100 mm average compacted thickness with bitumen of grade VG-10 @ 3.5% (percentage by weight of total mix) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity. 50 mm compacted thickness.