Local News

PG&E to test natural gas transmission line along 2nd Street

By From page A1 | July 06, 2012

PG&E will soon test 3.6 miles of natural gas transmission line running along Second Street in Davis.

On July 16, the utility will begin excavating the road at several points along Second Street where it will dig up the 10-inch steel transmission line and test it using hydrostatic pressure, hosing water through the gas system to analyze whether the system contains any flaws that might pose dangers to residents.

Learn more

What: PG&E open house to discuss hydrostatic testing project

When: 5-7 p.m. Tuesday

Where: Comfort Suites, 1640 Research Park Drive

The process is supposed to take about one month.

“It basically involves pressurizing a section of pipe with water to a much higher level than the pipe would ever operate with natural gas,” said PG&E spokeswoman Brandi Ehlers. “What that does is it verifies the capability of a pipeline to operate safely and could also reveal potential weaknesses that could potentially lead to defects or leaks.”

The testing will take place between the PG&E service yard at Second and L streets and the PG&E valve lot at the end of Howat Street, east of County Road 105. The utility also will excavate two points along Second Street along the PG&E service yard and east of Cousteau Place.

Traffic may need to be diverted while the work is under way.

Crews will remove the segment of pipe they are testing from service about July 30 and vent the natural gas. PG&E will be ready to test the pipe about Aug. 10 and hopes to complete the project by Aug. 15.

Residents also should be aware that they might smell gas and/or hear a loud noise while crews remove the transmission line pipe from service, Ehlers said.

The utility does not foresee any interruption in service.

To answer any questions residents may have about the project, PG&E will host a town hall meeting from 5 to 7 p.m. Tuesday at the Comfort Suites, 1640 Research Park Drive in South Davis.

Last year, PG&E hydrostatic-tested 160 miles of transmission lines throughout its system in the state and the utility plans to test 185 more miles this year.

— Reach Tom Sakash at [email protected] or (530) 747-8057. Follow him on Twitter @TomSakash

Tom Sakash

Tom Sakash covers the city beat for The Davis Enterprise. Reach him at [email protected], (530) 747-8057 or @TomSakash.
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