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| Block paving checks | Evidence | Frequency |
|---|---|---|
| Verification of block and bedding sand material. | Ticket | All sources |
| Verification of grit infill material for permeable paving (2-4mm, 6-8mm). | Ticket | All sources |
| Ensure road is power washed and mechanically swept prior to drilling binder course infiltration holes and swept clean following drilling (permeable paving sites). | Visual | All lengths |
| Inspection of cored infiltration holes in binder course e.g. spacing intervals and depth (permeable paving sites). | Visual | All lengths |
| Inspect approved laying patterns (mortar infill not to be used). | Visual | All lengths |
| Ensure sufficient edge restraints. | Visual | All lengths |
| Check correct thickness, colours and dimensions of blocks. | Visual | All lengths |
| Check correct kerb faces. | Visual | All lengths |
| Check depth of bedding sand/course within tolerances (+10mm). | Visual | All lengths |
| Inspect completed surface regularity (check for drainage problems and possible areas of ponding). | Visual | All lengths |
| Inspection of jointing grit, ensuring joints are filled to the top of the block (permeable paving). | Visual | All lengths |