Establishment of safety zones for sub-sea installations

  • Operations notice: 54
  • Issue date: 12 Feb 2007


1 This notice provides guidance on the procedures to be followed for applications for the establishment of Safety Zone Orders for sub-sea installations, in accordance with the Petroleum Act 1987 (Sections 22–24). Applications for Safety Zone Orders can take up to six months; early application is advisable.


2 Under the Petroleum Act 1987 the Secretary of State may, by order, establish a 500 m safety zone around a sub-sea installation within designated waters.


3 Applications for the establishment of safety zones for sub-sea installations should be sent (together with the information outlined in Annex 1) to HSE at the address in paragraph 8. HSE will arrange for consultation with other interested parties.

4 If any objections are received, details of these will be forwarded to the applicant. It will then be for the applicant to resolve them with the consultee concerned. HSE will take no further action until advised in writing that the objection has been resolved.

5 If there are no objections, then an Order will be prepared for approval by the Secretary of State at the Department for Work and Pensions (DWP). The Order will normally come into force 21 days after it has been signed.

6 HSE will advise the applicant when the Order comes into force.

7 A copy of the Safety Zone Order can be purchased from The Stationery Office or viewed on the Office of Public Sector Information website.

Further information

8 Any queries relating to this notice should be addressed to:

Health and Safety Executive
Hazardous Installations Directorate
Offshore Division
Lord Cullen House
Fraser Place
AB25 3UB

This guidance is issued by the Health and Safety Executive. Following the guidance is not compulsory and you are free to take other action. But if you do follow the guidance you will normally be doing enough to comply with the law. Health and safety inspectors seek to secure compliance with the law and may refer to this guidance as illustrating good practice

Annex 1: Information which should be supplied with an application for establishment of a Safety Zone for a sub-sea installation, by Order, under the Petroleum Act 1987 section 22

Updated 2021-02-16