http://www.legislation.gov.uk/ukpga/1974/37/schedule/5/paragraph/17/enactedHealth and Safety at Work etc. Act 1974Health and safety at workHealth and safety requirementsHealth and safety investigationsBuilding regulationsSafetyKing's Printer of Acts of Parliament2019-10-21SCHEDULESSCHEDULE 5Subject-Matter of Building Regulations17Plant providing air under pressure.