Firstly the incapability of supervising engineers in dealing with disputes is discussed. This paper analyzes the similarities and differences between the methods of disputes settlement under the provisions of the new edition of FIDIC Conditions and the two main domestic civil engineering contract conditions.It is argued that the DAB proposed by the new edition of FIDIC Conditions and the dispute mediator suggested by the Irrigation Works, Water and Electrical Works and Civil Engineering Construction Contract are reasonable and necessary.