OFFSHORE HELIDECK DESIGN GUIDELINES
Prepared by
John Burt Associates Limited / BOMEL Limited
for the Health and Safety Executive
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PREFACE
These offshore helideck design guidelines have been developed in response to an increasing awareness within the industry that offshore helideck operations can encounter problems that potentially affect flight safety. These problems may be caused by helideck layout and equipment deficiencies, structure-induced turbulence, hot gas plumes generated by turbines and flares or the effects of wind/wave-induced motions on helidecks on floating structures and vessels. Often the problems result in operating limits being imposed by the helicopter operators.
Recommendation 10.3 (i) in CAA Paper 99004, a joint HSE / CAA sponsored report into offshore helideck environmental issues, was the main starting point for these guidelines along with an increasing number of non-conformities found during helideck inspections.
HSE, with the support of the CAA and endorsement by the Offshore Industry Advisory Committee’s Helicopter Liaison Group (representing industry associations, trades unions and regulators), have commissioned the development of these guidelines. The objective is to provide designers and helicopter operators with the means to identify and understand the key issues that need to be addressed during design, fabrication and commissioning of helidecks. Good helideck design and operability also requires the designer and helicopter operator to have a clear understanding of regulatory requirements and the management and operational aspects of offshore helicopter logistics. These guidelines should therefore be read in conjunction with the latest editions of CAP 437 - Offshore Helicopter landing Areas - Guidance on Standards [Ref: 40] and the UK Offshore Operators Association Guidelines for the Management of Offshore Helideck Operations [Ref: 49]. They should be regarded as companion documents.
The environmental research work, which is the foundation for Section 10 of these guidelines, was performed by BMT Fluid Mechanics Limited in conjunction with other specialists (e.g. DERA and JBAL). In addition, technical contributions from several experienced industry professionals and the findings from several other research projects form the substance of these guidelines.
It is HSE's intention that these guidelines be periodically updated to reflect the outcome of ongoing industry research and advances in design and operating knowledge. Readers are therefore requested to send in their suggestions and comments for consideration to the HSE Hazardous Installation Directorate Offshore Division (Marine & Aviation Operations) at Rose Court, 2 Southwark Bridge, London, SE1 9HS and / or BOMEL Limited at Ledger House, Forest green Road, Fifield, Maidenhead, Berkshire, SL6 2NR.
DISCLAIMER
Whilst every effort has been made to ensure the data given in this document are both correct and up to date at the time of publication, the Health and Safety Executive and authors will not accept any liability for any erroneous, incorrect or incomplete information published in this document.
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