Southwest Environmental Limited

Soils and Geology Impact Assessment

A Soils and Geology Impact Assessment that details the following:

1. The condition of the site when you arrive.

2. Incidents that may degrade the quality of the land during the life of the development, and practices put in to operation that may help maintain the quality of land.

3. Quality of the land on close of operations at the site.

Of particular concern is that of Contaminated Land, it is important to ascertain before operation commence that the land is not contaminated from previous industries occupying the site.

This can be accomplished via  a Desktop Study which will define whether the land is is likely to be contaminated. If conclusive evidence can not be found from secondary data, then Soil Sampling can be used to give a quantitative description of soil quality.

It is vital to check whether your site is contaminated before you start or you could be left footing a large clean up bill (remediation) when you come to surrender your permit.

Earth Heritage Sites and Geological Conservation Review have important bearing on the Impact of a propose development.

Technical Guidance: Soils, Geology, and Geomorphology in EIA

Assessing the impact of development on the physical landscape is a fundamental requirement of a site-specific Environmental Impact Assessment (EIA). Our technical reporting focuses on the interaction between the built environment and the underlying strata, ensuring that geological heritage is preserved and that soil resources are managed sustainably throughout the construction lifecycle.

Geological and Geomorphological Assessment

Understanding the geomorphology of a site involves analyzing landforms and the processes that shape them. This is critical for preventing erosion, managing slope stability, and protecting sensitive geological features. By integrating these findings into a broader planning statement, developers can demonstrate a proactive approach to land stewardship.

• Baseline Geological Surveys: Identifying bedrock and superficial deposits to determine foundation requirements and drainage suitability.
• Soil Quality and Management: Evaluating the chemical and physical properties of topsoil and subsoil to ensure compliance with waste hierarchy and re-use protocols.
• Landform Stability: Assessing the risk of landslides, subsidence, or significant topographic changes resulting from major earthworks.

Synergy with Land Quality and Site Investigations

The study of soils and geology is intrinsically linked to the early stages of site characterisation. A robust Phase 1 Desktop Study provides the historical context needed to identify potential contamination or unstable ground. This is often followed by a targeted Geotechnical Site Investigation to gather the quantitative data required for engineering design and regulatory compliance.

Regulatory Compliance and Best Practice

All assessments are carried out in accordance with current UK standards, including the National Planning Policy Framework (NPPF) and specific British Standards for soil quality. By addressing soils and geology early, projects can avoid costly delays associated with unforeseen ground conditions or land quality issues. With over 15 years of industry experience and 900+ projects completed across the UK, SWEL offers the professional accreditation (FGS/IES) required to deliver authoritative technical reporting for even the most complex development sites.