Overview
PG&E Pipeline Inspection Project I-243 (Cordelia Valve Yard) is an operational gas pipeline facility in Fairfield, California. It supports natural gas transmission infrastructure under PHMSA and DOT 49 CFR Part 192 regulations.
PG&E Pipeline Inspection Project I-243 (Cordelia Valve Yard) is a gas pipeline facility located at 4741 Central Way in Fairfield, Solano County, California. Operated by Pacific Gas and Electric Company (PG&E), this valve yard is part of the broader natural gas transmission network serving Northern California. The facility plays a key role in pipeline inspection and maintenance activities, ensuring the integrity and safety of the gas distribution system. The facility operates under the regulatory framework of the U.S. Pipeline and Hazardous Materials Safety Administration (PHMSA) and DOT 49 CFR Part 192, which governs gas pipeline safety. As a valve yard, it includes components such as valves, fittings, and monitoring equipment to control gas flow and isolate sections during inspections or emergencies. The site is part of PG&E's ongoing pipeline inspection projects to comply with federal safety standards and enhance infrastructure reliability. Environmental and operational significance includes its role in maintaining a safe and reliable natural gas supply for residential, commercial, and industrial customers in the region. The facility's location in Fairfield, near the Suisun Bay and Sacramento-San Joaquin River Delta, requires careful management to protect local waterways and ecosystems. Regular inspections and maintenance help mitigate risks associated with pipeline age and corrosion, supporting community safety and energy resilience.
Environmental context
The facility is situated in Fairfield, California, near the Suisun Bay and the Sacramento-San Joaquin River Delta, an ecologically sensitive area. Proximity to waterways necessitates robust cathodic protection and leak detection systems to prevent environmental contamination. The region's seismic activity also requires pipeline infrastructure to meet stringent design standards for earthquake resilience.
Frequently asked questions
The facility is located at 4741 Central Way, Fairfield, California 94534, in Solano County.
It is a valve yard used for inspection and maintenance of PG&E's natural gas transmission pipeline, allowing isolation of pipeline sections for safety and integrity testing.
The facility operates under PHMSA and DOT 49 CFR Part 192, which sets safety standards for gas pipelines, including design, construction, testing, and maintenance.
The pipeline transports natural gas, which is used for heating, electricity generation, and industrial processes in Northern California.
PG&E implements seismic design standards, regular inspections using inline inspection tools, and cathodic protection to mitigate corrosion and earthquake risks.
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