Mitcham, Surrey

POSTED ON: 10/11/2020

Risk Management Limited were instructed to undertake a Phase I Desk Study/Tier 1 Preliminary Risk Assessment and a Phase II Site Investigation at a former rag & metal merchants in Mitcham, Surrey for the redevelopment into 25 self-contained residential units.

Intrusive fieldwork consisted of 2 No. cable percussion boreholes to 20m depth, 6 No. drive-in-sampler boreholes to 3m depth, 6 No. CBR tests and 1 No. gas/groundwater monitoring installation.

Laboratory testing included Moisture Content tests, Atterberg Limits, Quick Undrained Triaxial tests, pH and Sulphate tests, Contamination tests, Waste Acceptance Criteria (WAC) tests and Asbestos identification.

Reporting encompassed conventional foundations, pile design parameters, land borne gas assessment, road pavement design and ground remediation.