# The Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001, Paragraph 29: Hydraulic power pack


Any machine for use with interchangeable equipment which compresses liquids to a pressure higher than the inlet pressure. It means an assembly of a prime mover, pump, with or without reservoir and accessories (e.g. controls, pressure relief valve).

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Source: https://www.legislation.gov.uk/uksi/2001/1701/schedule/4/paragraph/29 (the official version)
Page: https://openlegislation.uk/noise-emission-in-the-environment-by-equipment-for-use-outdoors-regulations-2001/schedule-4/paragraph-29
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.