blowing out and purging pipelines

Dominion is supposed to be in our area to blow out and purge the pipeline at the end of Sept. Anybody know what that is and should we be worried or concerned? Heard this from a neighbor. And shouldn't the gas co. notify us about it. Haven't heard anything from Ultra.

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Permalink Reply by Barry D on September 11, 2014 at 9:24am

Dolores,

Over time any manner of foreign substances can collect in a gas pipeline; for example dirt, water.

The companies purge the line to remove these foreign substances. If not removed they may interrupt service to homes.

Purging usually involves inserting a "pig" (ball or cylinder) at one end of the line and opening the other end of the line to the atmosphere. This causes the pig to run through the line pushing the contaminants ahead of it.

I wouldn't be concerned about it. Each company has it's own set of protocols as to informing it's customers so it's difficult to say why you haven't been informed.

I'd call your gas company if you have any questions.

Permalink Reply by deer spotter on September 11, 2014 at 9:40am

Could also run a smart pig that that will show any issue with the pipe. This is a normal operation and is very safe

Permalink Reply by Ragnars Repo on September 11, 2014 at 9:46am
How close are you to the line? It's loud and can be dirty if you are downwind.
Permalink Reply by deer spotter on September 11, 2014 at 10:03am

Most companies use mufflers and /  or flare the gas on large blow downs

Permalink Reply by Brad on September 11, 2014 at 9:51am
Dolores, Barry is right nothing to be concerned about .l used to live within 50 yards of where the gas company would purge their lines. If you are that close its a bit loud and and you smell the odor outside from the chemical they mix in with the gas .
Permalink Reply by farmgas on September 11, 2014 at 10:54am

What location in Pennsylvania will this occur?   Is this the major Dominion pipeline running through central Pa?

Permalink Reply by Dolores Chobert on September 12, 2014 at 1:27pm

we're in the marshlands in  gaines. 

Permalink Reply by Tom Brian on September 13, 2014 at 4:03pm

a lot like a big shot gun ....... don't stand in front of it!!!!!!

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