【正文】 e part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the normativ e text, and a note will qualify it as a Nationally Determin ed Parameter (NDP). NDPs can be a specific value for a factor, a specific level or class, a particular metho d or a particula r applica tion rule if several are proposed in the EN. To enable EN 19971 to be used in the UK, the NDPs will be published in a National annex, which will be made available by BSI in due course, after public consult ation has taken place. Crossreferences The British Standards which implem ent internation al or Europ ea n publica tio ns referred to in this document may be found in the BSI Catalogue under the section entitled ―Internationa l Standards Correspondence Index‖, or by using the ―Search‖ facility of the BSI Electronic Catalogu e or of British Standard s Online. This publica tio n does not purport to include all the necessary provisions of a contract. Users are responsible for its correc t application. Compliance with a British Standard does not of itself confer immuni ty from legal obligations. Summary of pages This document prises a front cover, an inside front cover, page i and ii, the EN title page, pages 2 to 167 and a back cover. The BSI copyright notice displaye d in this document indicat es when the document was last issued. i Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale ii blank `,`,```,`,`,`,` Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale `,`,```,`,`,`,` EUROPEAN STANDARD NORME EUROP201。 — present to the responsible international/Europ ea n mitt e e any enquiries on the interpret ation, or proposals for change, and keep the UK interests inform ed。 — BS 5930:1999, Code of practice for site investigations。 — BS 8006:1995, Code of practice for strengthened /reinforced soils and othe r fills。 — BS 8081:1989, Code of practice for ground anchorages。Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale `,`,```,`,`,`,` BRITISH STANDARD BS EN 19971:2020 Eurocode 7: Geotechnical design — Part 1: General rules The Europe an Standard EN 19971:2020 has the status of a British Standard ICS Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale Amd. No. Date Comments `,`,```,`,`,`,` BS EN 19971:2020 National foreword This British Standard is the official English language version of EN 19971:2020. It supersed es DD ENV 19971:1995 which is withdrawn. The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials, conc r et e, steel, posit e concrete and steel, timber, masonry and aluminium, this is to enable a mon date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conflicting national standards will be withdra wn at the end of the coexisten ce period. Following publication of the EN, there is a period of 2 years allowed for the national calibra tion period during which the National annex is issued, followed by a three year coexist e n ce period. During the coexist e nc e period Member States will be encoura ge d to adap t their nationa l provisions to withdraw conflicting national rules before the end of the coexist ent perio d. The Commission in consult a tion with Member States is expecte d to agree the end of the coexistence period for each package of Eurocod e s. At the end of this coexist e nce period , the nationa l standa rd (s) will be withdrawn. In the UK, the corresponding nationa l standards are: — BS 6031:1981, Code of practice for earthworks。 — BS 8004:1986, Code of practice for foundations。 — BS 8002:1994, Code of practice for earth retaining structures。 — BS 8008:1996, Safety precautions and procedures for the construction and descent of machinebored shafts for piling and other purposes。 and based on this transition period, these stand a rds will be withdrawn on a date to be announced. The UK particip ation in its prepara tion was entrust ed to Technical Committ e e B/526, Geotechnics, which has the responsibility to: — aid enquirers to understand the text。 — monitor related internation al and Europe an develo pm ents and promulga te them in the UK. This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 22 December 2020 169。ENNE EUROP196。otechnique Partie 1: R232。n 233。 E U RO P 201。ISCH E S KOM I T E E F220。 2020 CEN All rights of exploitation in any form and by any means rese rved worldwide for CEN national Members. Ref. No. EN 19971:2020: E Provided