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Method D – Permanent sub-base reinstatement
- S8.1.11
- The backfill and sub-base must be reinstated to a permanent standard at the first visit with an interim surfacing.
- S8.1.12
- For flexible or rigid structures, the interim surface course and some or all of the interim binder course may be a bituminous mixture. The lower portion of the interim binder course may be an unbound granular material.
- S8.1.13
- For modular structures, the interim surfacing may be a bituminous mixture, paving modules or any combination thereof.
- S8.1.14
- On the second visit, all interim surfacing materials must be removed to the top of the sub-base and an appropriate permanent surfacing must be laid.