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Gas main repair and tests today and tomorrow

 

Crews from Pacific Gas & Electric Corp. will be out there today and tomorrow (Friday and Saturday) repairing and testing the natural gas main that ruptured during a pressure test on Sunday, Nov. 7, in Woodside near Farm Hill Boulevard and Interstate 280, according to a notice from the San Mateo County Sheriff's Office.

The Sheriff's Office said that repairs should be completed by this afternoon (Nov. 11) and further testing of the line will take place all day Saturday, Nov. 12.

The hydrostatic tests involve diversions of gas so as to not interrupt service to homes and businesses while isolating the section of 32-inch diameter steel pipeline to be tested. That section is purged of gas and infused with water at much higher pressure than ever experienced in normal operation, PG&E officials have said.

This particular test is one in a series that involves 158 miles of pipeline. The tests can include running a remote-controlled camera through the purged pipes, officials said.

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