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| Road binder course checks | Evidence | Frequency |
|---|---|---|
Verification of materials (check correct binder penetration) |
Tickets |
All lengths |
Check layout of the site in accordance with S38 agreement plan. |
Visual |
All lengths |
Inspection of top of binder course (potential drainage problems) |
Visual |
All lengths |
Cores to assess thickness, compaction and bond |
Visual |
One per 100m (minimum three per site) |
Rolling Straight Edge tests |
Testing |
As required |