Where necessary, the edges of the reinstatement must be trimmed over part or all of slab depth to comply with the following requirements:
The edge regularity must comply with the requirements of S6.8.6.
Any undercutting must comply with the requirements of S6.8.10.
Where the adjacent road slab has cracked as a result of the excavation operation, the damaged area of the slab must be removed and included within the area to be reinstated.
Where, after trimming, the excavation extends to within 300 mm of a slab edge, a joint, ironwork or another reinstatement, the relevant area of the slab must be removed and included within the area to be reinstated.
All edges must be cleaned and wetted before placing concrete.