GEOTECHNOLOGY IN DISPUTE RESOLUTION

This paper explores the factors that contribute to claims of changed s ubsurface conditions in heavy-construction contracts. It reviews metho ds of resolving the attendant disputes and describes a group of cases to illustrate the issues. These cases are concerned chiefly with mined tunnels, which are the most drastically affected by the unexpected. T he purpose is to summarize the special requirements for preparing geot echnical information for construction and to suggest procedures for av oiding claims or bringing about their equitable resolution.