(a) Purpose. Hearings in each adjudication segment will begin with a hearing to establish the commission's jurisdiction to adjudicate all claims of water rights in the stream or segment and to provide information concerning the adjudication.(b) Procedure. Exhibits will be introduced to evidence jurisdiction. The qualifications of the project engineer or project manager, and any assistants, will be examined and ruling made on their abilities to testify in the upcoming individual evidentiary hearings as expert witnesses. The expert witnesses so qualified will remain under oath throughout all hearings in the adjudication of the stream or segment.(c) Question and answer. The commission will entertain questions of general concern to all parties in the adjudication from any person attending the hearing.