# The Construction (Health, Safety and Welfare) Regulations 1996, Paragraph 3


The main guard-rail or other similar means of protection shall be at least 910 millimetres above the edge from which any person is liable to fall.

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Source: https://www.legislation.gov.uk/uksi/1996/1592/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/construction-health-safety-and-welfare-regulations-1996/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.