Phase I Site Investigation or Preliminary Risk Assessments as they are technically termed (desk studies) are prepared by our environmental consultants to gain a profile of a site to establish its environmental setting including the site history, geology, topography, hydrology, hydrogeology, mining history, and nearby landfill sites.

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GeoCon undertake Phase II Site Investigations of both Previously Developed Land and greenfield land. Our environmental site investigations are designed using both targeted and non- targeted approach based on information collated during the initial Phase I Preliminary Risk Assessment and are subsequently executed using a range of intrusive site investigation techniques.

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Phase III Remediation is carried out as a result of the Phase II Site Investigation and the recommendations within. If a site is deemed contaminated and is not currently suitable for use, then remedial measures are required to ensure the site is brought up standard and is suitable for use for its intended purpose. Phase IV validation. The final phase in the phased site investigation process. Once a site had been determined as contaminated and requires remediation is some form, the act of validation or verification is to prove that the remedial measures have been carried out to specification. GeoCon would then provide a validation report to evidence this which would be submitted to the local authority to discharge any planning conditions.

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Ground Investigation is essentially site investigation but more focused on the geotechnical information required to facilitate geotechnical design. GeoCon provide geotechnical consultancy services advising on the geotechnical and engineering parameters of the soils and rock beneath a site to facilitate foundation and substructure design. GeoCon also operate as a Ground Investigation contractor as part of a more traditional approach whereby a principal designer has been appointed and we are required to carry out ground investigations on a factual basis to provide pertinent information to the design engineers to allow them to prepare their geotechnical design.

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Coal mining has been an influencing part of history and industry over the last 200 years and the impact that it has left is also quite extensive. In areas of former coal mining, developments are at risk from mining of shallow coal seams were voids are left in the ground, and from former mine entries such as shafts of adits which have not been properly treated, all of which could cause settlement and or collapse of structures if not properly mitigated. Risks are also posed by the presence of mine gasses that can migrate into structures. GeoCon provide both Preliminary Coal Mining Risk Assessments (desk study) to initially advise on whether a risk is present, and also Intrusive Coal Mining Risk Assessments aimed at investigating any risk identified from the Preliminary Coal Mining Risk Assessment. GeoCon have a vast experience in designing and undertaking Coal Mining Risk Assessments and investigations.

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The National Planning Policy Framework (NPPF) encourages the use of sustainable drainage systems where suitable, for new developments and construction work. GeoCon undertake Soakaway Investigations to provide and advice on whether sustainable drainage will be suitable or not in the first instance, and where appropriate provide infiltration rates to facilitate Soakaway design.

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