# The Quarries Regulations 1999, Paragraph 4: Plans based on site investigation

Extent: E+W+S

Plans showing the position of all boreholes, wells and trial pits used in the site investigation and the location and levels of all materials and surfaces which may affect the safety of the excavation or tip or proposed excavation or tip.

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Source: https://www.legislation.gov.uk/uksi/1999/2024/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/quarries-regulations-1999/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.