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High profile media coverage of subsidence-affected
properties over the summer of 2007 has offered a timely reminder of the importance
of “Ground Stability”. The effects of global warming and continued low
rainfall have led to a dramatic rise in subsidence cases across the United Kingdom. Cavernous
holes have opened up on leafy suburban streets as previously unknown mines have
been discovered. Ground stability issues are by no means now limited to ‘traditional’
mining areas. The
Homecheck Professional Ground Stability Report represents the first widely available
information covering all mineral mining in England and Wales in one report. The
report is the first to screen for an extensive range of mineral mining and causes
of ground instability: this is a significant enhancement to any other Ground Stability
information on the market and offers a valuable screening tool to verify potential
risks. The Homecheck
Professional Ground Stability Report is available for only £21.85 inclusive
of VAT (£19+VAT) The
full range of datasets is as follows: Sites
within an area of recorded mining activity (all minerals);Sites within
an area where a Coal Authority report should be obtained;Potential instability
from past or current shallow mining; Natural or mining-related cavities;
Local Authority Plans; British Geological Survey (BGS) recorded mineral
sites; BGS Boreholes; Past mining or quarrying features (from
historical Ordnance Survey mapping); Brine and Salt extraction –
including Cheshire, Staffordshire & Droitwich; Landfill sites, past
and current; Waste treatment/transfer sites; Potentially in-filled
land; Collapsible or compressible ground stability hazards (ground that
is prone to compression or collapse when a load is applied, such as a building
of a new house or structure); Ground dissolution stability hazards (subsidence
caused by the dissolving of soluble rocks giving rise to cavities and subsidence
is most commonly associated with salt and gypsum deposits, but a significant number
of claims have related to houses built over chalk and limestone bedrock);
Landslide stability hazards (occur in certain conditions and depend on the geology,
angle of slope, drainage, rainfall and a change in the drainage pattern);
Running sand stability hazards (these are sands that can flow into a void due
to water pressure and cause collapse); Shrinking/swelling clay stability
hazards (clay rich soils can shrink or swell with seasonal weather changes, causing
ground movement; movement can also occur in these soils from both the planting
and removal of trees or leaks from water pipes or drains) …And
an overall assessment, based on the data within the report, is provided as to
whether or not the property is likely to be affected by Ground Stability issues
in general. Click
for Sample Ground Stability
Report. Click
for User Guide.
To access the
sample report and/or practitioners guide you will need the Adobe Acrobat Reader.
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To access this form you will
need Adobe Acrobat Reader.
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