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Public Utilities

What You Need to Know About Cross Bores

First, know what a cross bore is. It is where underground utility lines cross over each other.

The reason you need to know this is sometimes in rare cases a natural gas pipeline might actually be run through a sewer pipe, and if a plumber unknowingly strikes a gas line while cutting through a sewer pipe for a repair, natural gas could enter the sewer system creating a very dangerous situation!

For this reason, it's very important that everyone digging call 811 to have all utility lines clearly marked.

Always assume there is a possibility of crossed lines. If a natural gas pipeline is hit:
 

  • Leave the premises immediately
  • Instruct others to leave right away and stay away
  • Call 911

DO NOT

  • Operate any electrical appliances in the area
  • Operate any pipeline system equipment
  • Turn on vehicles, appliances or lights
  • Use anything that might create a spark, including a cell phone
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