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TransCanada 2014 CSR Report — Safety — Hardhats hanging on a wall TransCanada 2014 CSR Report — Safety — Hardhats hanging on a wall

2014 CSR | Safety

Ensuring Our Assets are Safe and Reliable Pipeline Integrity and Your Safety

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TransCanada is very proud of its safety record. Our safety programs and operational philosophy have protected the public and the environment for more than 60 years.

At the same time, we are aware of your concerns about pipeline safety. Specifically, you want to know if a pipeline incident will affect you. Every situation is unique, but TransCanada’s safety procedures and integrity management program have served us and our pipeline neighbors well over the decades.

Here are some things you should know about pipelines and about TransCanada’s approach to safety:

  • Statistics compiled by the U.S. Department of Transportation confirm that the age of a pipeline is not a leading cause of pipeline incidents. On the contrary, well-maintained pipelines can operate safely for decades.
  • Regulations for pipeline materials and operation are different in rural and urban areas. In general, pipelines in urban areas are thicker and inspected more frequently than those in the open countryside. Both are safe; the varying thickness in pipe is to address the increased amount of activity around our pipelines in urban areas.
  • The vast majority of TransCanada’s pipelines are in rural areas well away from population centers.
  • TransCanada uses high-quality steel and the best construction practices when building pipelines. All pipe is pressure-tested to a pressure well above normal operating pressure before being put into operation.
  • All of our pipelines are monitored in control centres 24-hours-a-day by trained operators who respond immediately to any indication of abnormal operation.
  • Our pipelines are cathodically protected, which means a low-voltage electric current is induced in the vicinity of the pipeline to inhibit external corrosion.
  • Special internal monitoring tools are used to detect anomalies involving loss of wall thickness, including corrosion. When certain anomalies are detected, the pipeline segment in question is excavated and visually inspected. It is either repaired on the spot or replaced. Internal inspection tools, called “pigs,” are pushed along inside the pipeline using the pressure of the natural gas or oil itself. These tools inspect the pipe’s integrity through a variety of methods.
  • Pipeline right of way is routinely patrolled from the air for visual signs of disturbances and using sophisticated instrumentation to detect natural gas leaks. Ground patrols with hand-held leak detectors are also employed in some instances.
  • The pipeline industry is strictly regulated for safety. TransCanada’s assets are routinely audited by relevant state, provincial and federal agencies.

For additional information about pipeline operations and safety, please visit the following web sites:

As outlined in Emergency Preparedness, in the unlikely event that an incident occurs, TransCanada proactively maintains detailed emergency preparedness and response programs to minimize the consequences.