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OTO 012/2001

Site investigations

Provides technical information on site investigation and selection of design soil parameters for offshore installations supported by the seabed. Areas covered include: planning, nature and areal extent of site investigation; field procedures; scope of field work; laboratory testing of soils; interpretation of soils; site investigations for jack-up installations; operational data (site investigations). Is based on guidance previously contained in section 14 of the Fourth Edition of the Health and Safety Executive's "Offshore installations: guidance on design, construction and certification" which was withdrawn in 1998. The withdrawal of the "Guidance" was not a reflection on the soundness (or otherwise) of the technical information it contained; some sections (or part of sections) of the "Guidance" are currently referred to by the offshore industry. For this reason, after consultation with industry, relevant sections are now published as separate documents in the HSE Offshore technology (OT) report series. Whilst the text has been reformatted for offshore technology publication, the technical content has not been updated. Should be read in conjunction with the background document "Background to guidance on foundations and site investigations for offshore Structures". Report of the Department of Energy Guidance Notes Revision Working Group, HMSO, 1986.

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Updated 2010-03-19