This Research Report, RR 387, complements Offshore Technology Report OTO 049/2001. The report now includes additional information in the form of two further sections, Section 6 - Surveys, and Section 7 - Marine Operations Manuals.
This Research Report provides information on the stability of floating Installations. Both intact and damaged stability are covered, as well as aspects which affect buoyancy and stability, such as watertight compartments and ballasting and bilge pumping systems.
While the information is intended for mobile Installations, including mobile offshore units (MOUs), it may be applied where appropriate to fixed floating Installations providing any special features of the permanent moorings or tethers are taken into account.
The information is based on guidance previously contained in Section 31 of the Fourth Edition of the Health and Safety Executive’s ‘Offshore Installations: Guidance on Design, Construction and Certification’ which was withdrawn in 1998. As discussed in the Foreword, whilst the text has been re-formatted for Offshore Technology publication, the technical content has not been updated. The appropriateness and currency of the information contained in this document must therefore be assessed by the user for any specific application.
This report and the work it describes were funded by the Health and Safety Executive (HSE). Its contents, including any opinions and/or conclusions expressed, are those of the authors alone and do not necessarily reflect HSE policy.
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