# The Fishing Vessels (Safety Provisions) Rules 1975, Article 9: Air pipes


In every vessel of 12 metres in length and over to which these Rules apply where air pipes to tanks and other spaces below deck extend above the freeboard or superstructure decks the exposed parts of the pipes shall be of substantial construction. Exposed openings of air pipes shall be provided with efficient means of closing weathertight permanently attached to the pipe or adjacent structure. Provision shall be made to prevent excessive pressure on tank boundaries.

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Source: https://www.legislation.gov.uk/uksi/1975/330/article/9 (the official version)
Page: https://openlegislation.uk/fishing-vessels-safety-provisions-rules-1975/article-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.