Paragraph 15 Piling techniquesI1
England and Wales
Where a licensable marine activity involves piling the undertaker must comply with the requirements set out in sub-paragraph (2).
Subject to sub-paragraph (3) works to construct the drainage pipeline and outfall referred to at paragraph 5(1)(a), including any piling, must be undertaken in the dry.
Where works are required to construct the drainage pipeline and outfall referred to at paragraph 5(1)(a), including any piling, cannot be undertaken in the dry or where such works are required in areas that are submerged or partially covered by water, the following must be implemented—
vibro-piling must be used until first refusal and impact piling must be used thereafter to toe in the piles;
where percussive piling is necessary, soft-start procedures are to be used to ensure an incremental increase in pile power, over a period of not less than 20 minutes until full operational power is achieved; and
where piling ceases for at least 10 minutes the soft-start procedures must be repeated.
Annotations
Commencement
- I1
Sch. 15 para. 15 in force at 15.4.2025, see art. 1