Expert witnesses must have broad experience, impressive credentials, good communication skills, an analytical mind and stay calm under pressure. Dr. J. Paul Tullis, President of TEC has demonstrated these qualities in depositions and in court. He considers the ultimate teaching experience to be educating a judge and lay jury about graduate level engineering material in a few hours in a court room.

 

Expert Witness

Hydraulic Transients, Water Hammer and Surges


  • Role of hydraulic transients in the failure of 6" riser pipe in sprinkler system in an office building. Provided forensic engineering services to determine if transient pressures generated by closure of a butterfly valve could have caused the failure. Case still in litigation.

  • Role of transients in a fire caused by the failure of a 2000 ton hydraulic press hydraulic line. Provided forensic engineering services to determine the cause of the failure. Prepared expert testimony and a written report. The case was settled out of court.

  • Transients caused by failure of pressure relief valves on the Olympic gasoline pipeline. Provided forensic engineering services to determine the cause of the pipe rupture and the role of the high pressure transients caused by the relief valves. Prepared expert testimony and a written report. The case was settled out of court.

  • Failure of a rural pipeline in South Dakota. Provided forensic engineering services to determine what role of hydraulic transients played in the failure of the pipe. Prepared several expert reports, affidavits and gave two depositions. Spent 6 weeks in court evaluating testimony of opposing experts and testifying for the defense. Case settled in court.

  • Transients caused by rapid filling and operation of air release valves, Stockton East Water District. Provided forensic engineering services to determine the cause of the failure. Prepared expert testimony and a written report. Case settled out of court.

  • Transients caused by valve closure in the piping of a cooling tower. Determined the cause of the failure. Prepared expert testimony and a written report and trial testimony.