SOUTHERN CALIFORNIA GAS CO

Incident Narrative

SOCALGAS OBSERVED A PRESSURE DROP IN THE TRANSMISSION PIPELINE IN SANTA BARBARA COUNTY. AUTOMATED SAFETY EQUIPMENT DESIGNED TO STOP THE FLOW OF GAS SHUT OFF THE NATURAL GAS FLOW TO THE SECTION OF THE DAMAGED PIPELINE. UPON A PRELIMINARY SITE VISIT, SOCALGAS DISCOVERED A SECTION OF LINE 1005 DAMAGED, LIKELY DUE TO THE HEAVY RAIN WEATHER AND RESULTING MUD, DEBRIS FLOW, AND/OR FLOODING. AS SOON AS SAFETY PERMITTED, SOCALGAS CREWS AND CONTRACTORS CUT AND CAPPED THE LINE ON EITHER SIDE OF THE DAMAGED SECTION AND PURGED ALL REMAINING NATURAL GAS. SOCALGAS HAS RECEIVED SOME INFORMATION SUGGESTING THAT ONE OR MORE PEOPLE MAY HAVE BEEN INJURED CONSEQUENTIAL TO THE MUD/DEBRIS FLOW DAMAGE SUSTAINED BY LINE 1005. THE ISOLATION AND FOLLOWING CUT AND CAP PROCEDURE DID NOT YIELD ANY SERVICE INTERRUPTIONS. SOCALGAS IS CONTINUING TO ASSESS THE TRANSMISSION PIPELINE SYSTEM IN THE MONTECITO AREA FOR ANY ADDITIONAL DAMAGES. THIS EVENT WAS REPORTED TO THE DOT AND TO THE CPUC DUE TO THE POTENTIAL RELEASE OF GAS AND THE DAMAGE COST EXCEEDING $50,000. THE TOTAL COST IN RESPONSE TO THIS EVENT IS PENDING AND WILL BE PROVIDED ONCE AVAILABLE. THE 48-HOUR NOTIFICATION WAS COMPLETED PER NRC #1201510. FOR ANY FURTHER QUESTIONS, PLEASE CONTACT IK SONG AT (818) 279-5388. UPDATE (4/30/2018): THE PRELIMINARY COST INFORMATION IN PART D HAS BEEN UPDATED AS A PART OF THIS SUPPLEMENTAL REPORT. THE COST IS NOT FINALIZED AND WILL BE UPDATED ACCORDINGLY. PLEASE CONTACT IK SONG AT (818) 279-5388 FOR ANY FURTHER QUESTIONS. UPDATE 4/8/2019: UPDATED YTD TOTAL COST INFORMATION (FINALIZED). NUMBER OF PEOPLE EVACUATED DUE TO INCIDENT IS UNKNOWN AS THE ENTIRE AREA WAS UNDER MANDATORY AND VOLUNTARY EVACUATION PROTOCOLS. FOR ANY FURTHER QUESTIONS, PLEASE CONTACT ALI MATIN AT (909) 919-0463.