- S1.9.1
- Where an authority knows of the existence of any of the above materials in areas likely to be affected by an undertaker’s work, it should inform the undertaker before works start so that an appropriate reinstatement method can be agreed.
- S1.9.2
- If the undertaker is not informed of the existence of any of the above materials before works start but encounters them during the works, the undertaker should inform the authority immediately so that an appropriate reinstatement method can be agreed. In these circumstances, the undertaker is not liable for the repair of any damage caused to geosynthetic materials, geotextiles or reinforcement grids before their existence was known.
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