Explanation ENV4

13.19

A fundamental aim of this policy is to prevent major accident hazards and limit the consequences of such hazards. Certain sites and pipelines are designated as hazardous installations by virtue of the quantities of hazardous substance present.  The siting of such installations is subject to planning controls, for example under the Planning (Control of Major Accident Hazards) Regulations 1999. The objective in operating these controls is to maintain appropriate distances between establishments and residential areas, areas of public use and areas of particular sensitivity or interest. The Council will consult theHealth and Safety Executive (HSE) about any proposals to site new hazardous installations, or to modify existing installations, within Knowsley.

13.20

The Borough of Knowsley already contains a number of hazardous substances establishments and major accident hazard pipelines. Whilst they are subject to stringent controls under existing health and safety legislation, it is considered prudent to control the kinds of development permitted in the vicinity of these installations. The HSE has advised the Council on consultation distances for each of these installations. In determining whether or not to grant planning permission for a proposed development within these consultation distances the Council will consult the HSE about risks to the proposed development from the hazardous installation. 

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