The project was technically complex and budget-constrained. The redevelopment of this historic landfill site for school use involved managing flood risk in a designated Flood Zone and balancing sustainability, safety, and cost-effectiveness. These were all considerations that our land remediation consultants could tackle with ease.
Our Approach & Solutions:
Ashfield’s multidisciplinary team provided an integrated solution—combining contaminated land expertise, flood risk assessment, and earthworks strategy—ensuring full regulatory compliance without compromising the development’s viability.
Flood Risk Assessment (FRA):
- Collaborated with the Environment Agency for design approval
- Designed raised buildings on floodable voids
- Engineered site levels to maintain flood storage and prevent off-site impacts
- Avoided costly soil import and disposal by safely reusing the existing landfill cap
Contaminated Land Strategy:
- Focused on landfill cap and ground gas risks
- Developed a pragmatic remediation strategy that enabled re-use of capping soils
- Delivered protective clean cover systems and verified piling methods
- Implemented groundwater and surface water monitoring near the River Thames
Earthworks & Reuse:
- Gained Environment Agency agreement that the capping material was not legally waste
- Managed soils under the CL:AIRE Code of Practice
- Applied rigorous materials tracking and testing through Toureen Group’s Mobile Treatment Licence
