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RR402 - Natural ventilation of offshore modules

Natural ventilation is a common method for mitigating the hazard posed by gas and vapour leaks on offshore platforms. Openings in wind walls and doors allow the wind to blow through a module and hence the ventilation is not generally dependent on the operation of any devices such as mechanical fans. This report investigates the effectiveness of natural ventilation of offshore platforms, focusing on the non-uniformity of the ventilation within a module and its dependence on the wind conditions.

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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Updated 2019-08-27