Earth Environmental & Geotechnical’s Reading office was commissioned to undertake a Basement Impact Assessment (BIA) and surface water management drainage design (SUDs Report) at a private residential development in West London.EEGSL were contacted after a previous consultant was unable to complete the works to the client’s specification. undertook ground investigation works including a 10m cable percussive borehole, a series of gas and groundwater monitoring visits and soakaway testing (BRE 365 Standard).