Residential Redevelopment of a Industrial Site, Dobcross, Oldham

Planning Reference:

Synopsis:

Due to the proposed development being in a ‘Development High Risk Area’ as defined by the Coal Authority, the ‘Development High Risk Area’ is defined as:

‘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.’

Demeter Environmental were commissioned to prepare are Coal Mining Risk Assessment, the ‘Site Specific Risk Map’ for Oldham, the interactive map viewer and Coal Authority report identified probable shallow as a potential issue.

The review of the large scale geological maps identified a coal seam (Sand Rock Seam) outcropping on the western area of the site and dipping to the west away from the site.

In order to determine the risks posed by the Sand Rock Seam a phased intrusive investigation was proposed comprising of three  open rotary borehole to 30mbgl on the western area of the site.

 

 

 

The proposals were accepted by the local authority / Coal Authority and the application was validated.

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