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| Road Surface Course Checks | Evidence | Frequency |
|---|---|---|
| Verification of materials (check PSV requirements and chipping source for HRA). | Tickets | All sources |
| Surface of binder course clean and free of contamination. | Visual | All lengths |
| Inspect completed surface regularity (check for drainage problems and possible areas of ponding). | Visual | All lengths |
| Bulk Sample Testing - Coated Chippings. | Samples | One per 20 tonne |
| Bulk Sample Testing - HRA/CGSC. | Samples | One per 150 tonne |
| Texture depth testing for HRA. | Testing | All wheel paths |
| Cores to assess thickness compaction and bond of all bound layers. | Samples | One per 100m (minimum three per site) |
| Rolling straight edge tests. | Testing | All wheel paths |