WATER
Tunnel Engineering by Donaldson Associates

Founded as a tunnelling consultancy, Donaldson Associates has been involved in the majority of major water tunnel projects in the UK in recent years. Working directly for the client or as part of a design and construct team our staff have brought many years experience in tunnelling and shaft sinking as both consultants and contractors. Working on diameters from 0.6m to 8m and depths of 1m to 40m through both rock and soft ground our proactive approach has helped avoid many problems and assisted in the Successful completion of tunnel through the most challenging ground conditions.