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Specialist Geotechnical Services

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G&J offer a range of geotechnical services both as part of a general Phase 2 site investigation, or standalone assessments to address a client's specific needs.

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About us

At G&J Geoenvironmental Consultants Ltd, we prioritise meeting our client’s needs in a cost-effective and professional manner. We pride ourselves on open and effective communication with clients and key stakeholders, ensuring their expectations are always considered and achieved.

We are committed to designing cost-effective, pragmatic, sustainable, and achievable solutions. Our personnel are experts in their fields, well-versed in the latest legislation and guidance, ensuring that professional quality standards are consistently met.

Moreover, we emphasise the importance of managing Health & Safety risks at all times, making it a fundamental aspect of our approach to every project.

Our Services Include:

Site Investigation Services
Our site investigations typically begin with a site walkover and Phase I Desk Study, which help define a targeted scope for any subsequent intrusive investigation. Many investigations are conducted to discharge contaminated land planning conditions, and we ensure regular liaison with regulatory authorities to gain acceptance of the investigation strategy before proceeding. Intrusive site investigations often assess ground gas issues, soil/groundwater contamination, mine workings, and geotechnical information for development. G&J also offers independent reviews or second opinions on previous appraisal reports. We have investigated various sites, including greenfield sites, former farms, petrol stations, foundries, chemical works, gas storage facilities, backfilled pits, recently developed sites with unresolved issues, and sewage works.

Geoenvironmental Services
In addition to conducting general site investigations on potentially or known contaminated land, G&J offers standalone or bespoke assessments to address specific geoenvironmental issues on land or water. These services include Phase 1 and Phase 2 Contamination Assessments, Detailed Quantitative Risk Assessments (DQRA), Ground Gas Assessments, Environmental Monitoring Services, Remediation Strategy Design and Validation, Environmental Impact Assessments, and Due Diligence Assessments.

Geotechnical Services
G&J offers a range of geotechnical services as part of a general Phase 2 site investigation or as standalone assessments to meet specific client needs. These services include intrusive investigation of soils and rocks, provision of foundation recommendations, slope stability assessments and remediation design, geotechnical monitoring (e.g., slopes, settlement), investigation and mitigation of natural geohazards (e.g., sinkholes, soft ground, peat deposits), earthworks specification, monitoring and validation, assessment of concrete design requirements (BRE Special Digest 1), soakaway testing and design (BRE Digest 365), and piling mat designs.

Mining & Mineral Resources
G&J offers a range of geotechnical services as part of a general Phase 2 site investigation or as standalone assessments to meet specific client needs. These services include intrusive investigation of soils and rocks, provision of foundation recommendations, slope stability assessments and remediation design, geotechnical monitoring (e.g., slopes, settlement), investigation and mitigation of natural geohazards (e.g., sinkholes, soft ground, peat deposits), earthworks specification, monitoring and validation, assessment of concrete design requirements (BRE Special Digest 1), soakaway testing and design (BRE Digest 365), and piling mat designs.

Drone Services
G&J's drone team, with qualified pilots and experienced photographers, offers clients unique aerial perspectives on their land or developments. After conducting rigorous risk assessments, drones can legally fly up to 120m above ground level, though the best photographs are often taken at lower altitudes. Services include aerial photography for Phase 1 Desk Studies,
Environmental Impact Assessments, sales and marketing, and site development monitoring. Additionally, they provide georeferenced orthomosaic photo maps, preliminary topographic mapping, measurement of stockpile or excavation volumes, and monitoring of earthworks or remediation and materials movement for MMP reporting.

At G&J Geoenvironmental Consultants Ltd, we specialize in geoenvironmental and geotechnical assessments, particularly focusing on contaminated land sites. Our commitment is to meet client needs in a cost-effective and professional manner. We uphold principles of open and effective communication with clients and stakeholders, ensuring their expectations are met and often exceeded.

Our team designs pragmatic, sustainable solutions tailored to each project, guided by the latest legislative requirements. We place a strong emphasis on maintaining high professional quality standards and rigorously managing Health & Safety risks throughout all our operations.

We also provide remediation validation strategies and completion reports, ensuring that all remediation activities are thoroughly documented and meet regulatory standards, thereby safeguarding both the environment and public health.