Feds: CA Pipeline Blast ‘Clearly Preventable’

Monday, September 5, 2011 @ 09:09 AM gHale

A utility’s lax approach to pipeline safety and weak government oversight was the cause of a California natural gas explosion that destroyed a neighborhood and killed eight people nearly a year ago.

In a scathing report on the blast in San Bruno just south of San Francisco, the Pacific Gas & Electric Co for years exploited regulatory weaknesses, said the National Transportation Safety Board (NTSB).

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“We also identified regulators that placed a blind trust in the companies that they were charged with overseeing to the detriment of public safety,” NTSB Chairman Deborah Hersman said.

The half-century-old gas transmission line ruptured on Sept. 9, 2010, ejecting a 28-foot section of pipe and igniting a ferocious fire that destroyed 38 homes and damaged 70 others. Eight people were killed and dozens of others were hurt.

The safety board found the piping installed four-feet underground in 1956 did not meet certain specifications and the welds were poorly constructed.

Poor quality control and follow-up, the board said, resulted in the defective piping going undetected for decades. The blast, investigators said, was “clearly preventable.”

Regulatory exemptions of certain regulations by the California Public Utility Commission and the U.S. Transportation Department contributed to the explosion, the safety board said.

The NTSB has issued a number of urgent safety recommendations to regulators and the pipeline industry to address the deficiencies it identified during its investigation.

PG&E said in a statement it has “completely reviewed and begun the overhaul” of its gas operations, and has made “fundamental changes to our operations and management” to boost safety.

The company said it would “fully embrace” NTSB recommendations and “incorporate them into our plans.”

The California Public Utility Commission said it would work to ensure PG&E correct any deficiencies. Additionally, the agency said it had ordered utilities to test or replace certain pipes and would evaluate NTSB recommendations for additional natural gas pipeline safety.

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