Envirotreat were commissioned by Cardiff City Council to undertake a comprehensive site / ground investigation of the car park (park and ride) and associated areas around the County Hall as part of its future development for a stadium and hotel facility. Envirotreat were working with Mott McDonald on the scope and design of the site investigation.
Envirotreat undertook a series of cable percussion boreholes, rotary probing, trial pitting, trial trenching, soakage testing, gas monitoring and groundwater monitoring.