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TEC Can Provide the Service You Need
TEC Has Experience With the Following Subjects:
Expert Witness Services
- Forensic engineering
- Expert reports
- Depositions
- Affidavits
- Trial testimony
- Accident re-creation using computer simulation/animation (Note: A sample simulation can be furnished upon request)
- Evaluating testimony of opposing experts
- Providing cross examination questions
Areas of Expertise
- Patent infringement
- Pipeline failures
- Valve and fire hydrant problems
- Hydraulic transients, water hammer and surge problems
- Cavitation and vibration problems with pumps and valves
- Flooding
- Failure of hydraulic equipment
- Accidental death and injuries
Expert Witness Home Page
Clients (partial listing)
- Allagretti and Whitcoff, Chicago, IL, (patent infringement)
- Barnes & Thornberg, Indianapolis, IN (patent infringement)
- Booth & Koskoff, Torrance CA (Personal Injuries involving a dock leveler and an automobile lift)
- Cache County Attorney, Logan, UT (homicide)
- Cozen O’Connor, Philadelphia PA (sprinkler pipe rupture)
- Hawkeye-Surity Insurance Co./ Ford Scalley Lawyer, SLC, UT (flooding)
- Hilliard, Anderson and Olsen, Logan, UT (personal injury)
- Howard, Lewis and Petersen, Provo, UT (drowning)
- Jenner and Block, Chicago, IL (pipeline failure)
- Johnson, Cebula and Rygh, Long Beach, CA (personal injury)
- Merchant and Gould, Minneapolis, MN (Patent infringement)
- Methany Sears Linkert and Long, LLP, Sacramento CA (Fire Hydrant accident)
- Michaels and Watkins, LA CA (Accidental death involving a container truck)
- Michie Hamlett, Lowery, Rasmussen and Tweel, Roanoke VA (Wrongful death involving a pumper truck accident)
- Miller Law Firm, Marshall, TX (wrongful death)
- Morgan, Lewis & Bockius LLP, Los Angeles, CA (asbestos in fire hydrants)
- Ray, Quinney and Nebeker, SLC, UT
- Rick Amorose, Lawyer, Sacramento, CA (Pipeline failure)
- Scarletti and DeFasio Law Firm, Scranton PA ( Personal injury involving a boom truck)
- Scott, Hulse, Marshall, Fruille, Finiger and Thurmond, El Paso, TX (refinery fire caused by failure of a check valve)
- Susman Godfrey, Seattle, WA (failure of a gasoline pipeline)
- The Construction Law Group, San Francisco, CA (cavitation and vibrations at a pump station)
- The O’Malley Law Firm, St. Louis, MO (personal injury involving a fire Hydrant)
- Watt, Tieder and Hoffer, Irvine, CA (sleeve valve replacement)
- Wildman, Harrold, Allen and Dixon, Chicago, IL (asbestos in valve
packings)
Expert Witness Home Page
Cases involving Valves, Fire Hydrants and Mechanical Equipment
- Check valve failure at a Chevron oil refinery. Provided forensic engineering
services to determine the cause of the failure of the check valve. Dr.
Tullis prepared expert testimony, written reports, affidavits, two depositions
and prepared for trial. The case was settled the day before it was scheduled
for trial.
- Pipeline failure in South Dakota due to improper valve operation.
Provided forensic engineering services to determine the cause of the
pipe failures. Prepared several expert reports, affidavits and gave
two depositions. Case settled in court. Dr. Tullis spent 6 weeks in
court evaluating testimony of opposing experts and testifying for the
defense.
- Failure of a 78 inch diameter concrete pipe for Stockton CA, East
Water Distric . Provided forensic engineering services to determine
the cause of the failure. The case was settled out of court.
- Failure of a large diameter pipeline in Puerto Rico. Provided forensic
engineering services to determine the cause of the failure.
- Health problems related to asbestos in valve packings and flange gaskets
for valves and fire hydrants. Provided forensic engineering services
to determine if valve packings and gaskets containing asbestos can generate
damgerous levels of airborne fibers.
- Failure of pressure relief valves on the Olympic pipeline. Determined
the cause of the failure of the relief valves to protect the pipeline.
Prepared expert testimony and a written report. The case was settled
out of court.
- Failure of cooling tower valves. Determine the cause of the failure.
Prepared expert testimony and a written report. The case was settled
out of court.
- Fire hydrant malfunction. Determine if the fire hydrant mal-functioned
or if the accident was due to operator error. The case settled out of
court.
- Several cases involving failures of hydraulic systems in pumper trucks,
boom trucks, dock levelers, automibile lifts, etc.
Cases involving 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.
Expert Witness Home Page
Cases involving Pipeline Failures
- Failure of the Olympic gasoline pipeline. 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.
- Failure of a rural pipeline in South Dakota. Provided forensic engineering
services to determine the cause of the pipe failure. 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.
- Failure of a penstock to a hydro power plant in Idaho. Provided forensic
engineering services to determine the cause of the failure. Prepared
expert report and gave deposition. The case settled before it went to
trial.
- Failure of a 78 inch diameter concrete pipe for Stockton CA, East
Water District . Provided forensic engineering services to determine
the cause of the failure. The case was settled out of court.
- Failure of a large diameter pipeline in Puerto Rico. Provided forensic
engineering services to determine the cause of the failure.
Expert Witness Home Page
Cases involving Pump Problems
- Vibration and cavitation problems at a sewage pump station in Sausalito
CA. Provided forensic engineering services to determine why the pump
vibrated and cavitated so excessively. Provided one depositions. Furnished
trial questions for experts on both sides. Case settled out of court.
- Investigation of possible negligence and possible unsafe pump design
in a death of a worker caused by burns sustained by boiling water and
steam issuing from the pump when the discharge pipe was removed. Case
still pending.
Expert Witness Home Page
Cases involving Flow Meter Problems
Patent infringement case involving Coriolis mass flow meters. Compared the two flow meters to determine if the patent was infringed. Prepared several expert reports, affidavits and gave two depositions. The case was tried in court twice. The first was a jury and the second was a bench trial. Dr. Tullis spent many weeks in court evaluating testimony of opposing experts, preparing rebuttal testimony and testifying for the defense.
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