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All land within the coalfield falls wthin either a Development High Risk Area or Development Low Risk Area.The Development High Risk Area is the part of the coal mining reporting area which contains one or more recorded coal mining related features which have the potential for instability or a degree of risk to the surface from the legacy of coal mining operations. The combination of features included in this composite area includes mine entries; shallow coal workings (recorded and probable); recorded coal mining related hazards; recorded mine gas sites; fissures and breaklines and previous surface mining sites. New development in this defined area needs to demonstrate that the development will be safe and stable taking full account of former coal mining activities. If proposed development is located within a Development High Risk Area, planning applications need to be accompanied by a Coal Mining Risk Assessment (CMRA) to the Local Authority. |