Pipeline Inspection, Corrosion Control, Gas Leakage Survey and Odorization of Gas
UTI has the expertise to perform all the various tasks to create a complete analysis of your pipeline system. Confirm locations of gas lines and install line markers. Conduct gas leakage survey on the system. Evaluate the condition of the corrosion control systems to determine if the systems are adequate to protect the lines by conducting various cathodic protection tests.


  • Pipe to Soil Surveys
  • Engineering and Design
  • Inspection
  • Trouble Shooting
  • Analysis
  • Construction
  • Regulations


  • Program Development
  • Inspections
  • Pinpointing
  • Repairs
  • Ongoing Evaluations


  • Design for POD Odorizers
  • Survey for Adequacy
  • Supplemental Odorizers

Gas Odor. Gas is intentionally odorized so that the average person can perceive it at a concentration well below the explosive range, generally between to 1 percent by volume, or as local applicable codes dictate. Gas odor is the most common and effective indication of a leak. A report of gas odor should be investigated immediately and the leak found and repaired. However, the odor of gas may be filtered out as the odorized gas passes through certain types of soil. It may be modified by passing through soil and into a sewage system containing vapors or fumes from other combustibles as well as the sewage odor itself. Therefore, odor is not always totally reliable as an indicator of the presence or absence of gas leaks. Nevertheless, remember, in making your maintenance rounds, always to be alert for the smell of gas.

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