The risk presented by high rates of hazardous ground gas emissions into structures is well documented and means of monitoring and assessing this risk are set out in both BS 8576:2013 and CIRIA C665...
The Association of Geotechnical & Geoenvironmental Specialists (AGS) has produced new guidance for the description of made ground.
In mid-2104 Wildgoose Construction asked GEA to review the findings of three previous phases of investigation at a site in Runcorn adjacent to the Bridgewater Canal, where significant contaminated land issues had been identified.
The biggest problem with groundwater, particularly in the sort of mixed soils that characterise much of the southern half of the UK, is how difficult it is to determine where it is in the ground. This, of course is not really what the client wants to hear.