As with geotechnical investigations, intrusive environmental investigations should also be carried out as soon as possible before construction commences, as depending upon the findings, secondary investigations or remediation may be needed, which may significantly delay the construction timetable.
If landfills or old quarries lie nearby, gas monitoring may need to be carried out over a long duration, possibly a year or more, where risks are high. However 3 to 6 months are normally required.
Terramech Investigations Ltd, based in Reading, has considerable experience in dealing with environmental health officers regarding planning conditions and potential human health issues, including the Environment agency with respect to groundwater protection issues.
Terramech Investigations Ltd typically operate within the M4 corridor, but often attend sites within a 100 mile radius of the Reading office, and occasionally further afield.