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HAUC
HAUC

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.