# The Sizewell C (Nuclear Generating Station) Order 2022, Paragraph 20: During construction, operation and maintenance


(1) Drill or vibro piling must be used as standard, with percussive piling only used if it is required to drive a pile to its design depth and drill or vibro piling has been unsuccessful. If percussive piling is necessary, soft-start procedures must be used to ensure incremental increase in pile power over a set time period until full operational power is achieved.
(2) The soft-start duration must be a period of not less than 20 minutes.
(3) Should piling cease for a period greater than 10 minutes then the soft start procedure must be repeated.

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Source: https://www.legislation.gov.uk/uksi/2022/853/schedule/21/paragraph/20 (the official version)
Page: https://openlegislation.uk/sizewell-c-nuclear-generating-station-order-2022/schedule-21/paragraph-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.