Paragraph 20 Construction, Operation and MaintenanceI1

England, Wales and Scotland

(1)

Vibratory or drilled “pin” piling must be used as standard, with percussive piling only used if required to drive a pile to its design depth and where the relevant undertaker has established, following the carrying out of a desk top study informed by appropriate survey information, that vibratory or drilled “pin” piling would be ineffective.

(2)

Where percussive piling is established to be necessary in accordance with sub-paragraph (1)—

(a)

soft-start procedures must be used to ensure incremental increase in pile power over a set time period until full operational power is achieved;

(b)

the soft-start duration must be a period of not less than 20 minutes; and

(c)

should piling cease for a period greater than 10 minutes, then the soft start procedure must be repeated.

Annotations

Commencement

I1: Sch. 11 para. 20 in force at 11.3.2024, see art. 1