The site was historically part of a larger a gasworks, with two gas holders mapped on the southern and central parts of the site from 1887. A road transport depot was present on the northern part of the site from the 1970s. The site is to be redeveloped for 15 residential units.
LEAP were initially instructed to provide a due diligence assessment with extended regulatory liaison for the redevelopment of the former gas works. Following approval of the risk assessment and the approach to investigation, LEAP carried out window sampling and deep boreholes for groundwater monitoring and piled foundation design. In addition, a detailed groundwater risk assessment was completed along with further regulatory liaison to obtain approval of the proposed remediation strategy.
Work is currently ongoing, with LEAP verification engineers on site validating remediation for regulatory approval. Verification to date has included investigation of below ground structures and hotspots and the decommissioning and removal of underground storage tanks. In addition to contamination work a geotechnical assessment has been completed.
Royston Gas Works
- Ground investigation (window sampling and deep boreholes for groundwater monitoring and piled foundation design)
- Detailed groundwater risk assessment
- Geotechnical and Geoenvironmental Assessment Reports
- Regulatory liaison
- Remediation Verification
Extended regulatory liaison for redevelopment of the former gas works, including obtaining approval for the proposed remediation strategy and on-site validation of remediation.
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Book House, Glebelands Centre, Vincent Lane, Dorking, Surrey, RH4 3HW