R01-pavement

Prompt repair of potholes, cracks, and surface defects to prevent them from expanding and causing further damage.

1

Remove all loose materials and excess materials from the potholes.

2

Marking an outline to delineate a rectangular or square shape around the pothole.

3

The edges of the area shall be cut at 50mm from outer edge of pothole and shaped using the pavement cutter.

4

Scrape and clean the vertical edges of the cut to ensure no loose material and use blower to clear debris of the surrounding area.

5

The bituminous tack coat shall be sprayed uniformly in the range of 0.25 to 0.55 litre/sq.m on the cleaned bituminous or bitumen prime surface.

6

Hot or cold mix asphalt shall be used to fill the cut-out area and compacted to match with the level of the adjacent section.

7

The compaction shall be carried using suitable compactor to achieve the compacted density of the hot mix shall be in the range of 90-100% of Marshall Density.

8

Completed pothole patching works.