# STANDARD PACIFIC GAS LINE INC — Gas transmission and gathering — incident on 2012-03-08 **Citation:** PHMSA Report 20120035 **Type / status:** incident / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** 2012-03-08 **Published:** 2012-04-05 Gas transmission and gathering incident in MARTINEZ, CONTRA COSTA COUNTY County, CA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 5 NATURAL GAS released, $60,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: not significant, not serious. ## Document text Gas transmission and gathering incident in MARTINEZ, CONTRA COSTA COUNTY County, CA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 5 NATURAL GAS released, $60,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. Report number: 20120035. Operator ID: 18608. Reported incident date: 3/8/2012 11:45. Location detail: 181.42 Cause detail: EXCAVATION DAMAGE BY OPERATOR (FIRST PARTY) Cause detail: EXCAVATION ISSUE Cause detail: IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE Cause detail: AT APPROXIMATELY 1145 HOURS ON MARCH 8, 2012, A GENERAL CONSTRUCTION (GC) GAS CREW, STRUCK A 3/4-INCH STEEL GAUGE LINE ON SP3 AT MP 181.42 WHILE EXCAVATING TO EXPOSE AND REPAIR A VALVE RESULTING IN A RELEASE OF GAS. THE EXCAVATION WAS INSIDE A STATION. THE FLOW OF GAS WAS STOPPED AT 0030 HOURS ON 3/9/12. THE 24-INCH MAIN WAS MARKED AND LOCATED (USA # 056229) BEFORE CONSTRUCTION STARTED THE JOB. THERE WERE NO INJURIES, FATALITIES, NO IGNITION AND NO MEDIA PRESENT. THIS BECAME REPORTABLE AT APPROXIMATELY 0930 HOURS ON MARCH 9, 2012 WHEN IT WAS DETERMINED THAT THE COST OF THE REPAIRS WILL BE IN EXCESS OF $50K. ONE CUSTOMER LOST SERVICE AS A RESULT OF THIS INCIDENT. PHMSA trend classification: not significant, not serious. PHMSA standardized cause: EXCAVATION DAMAGE — OPERATOR/CONTRACTOR EXCAVATION DAMAGE. PHMSA indexed costs: $63,200 reported total cost, $34,274.304 in 1984 dollars, $81,107.184 in current-year dollars. PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings. ## Provenance - Official: Yes - Source: - Source ID: `phmsa-pipeline-incidents` - SHA-256: `3882bdfa0b31627b8af8de84307a386d03708689920450f4384363bcb751ac13` - Retrieved: 2026-08-20T03:30:32.010Z - Exported: 2026-08-25T23:27:45.566Z - Document slug: `phmsa-incident-acdb9f056cc89f65cf29d7e2` ### Source metadata ```json { "recordKind": "pipeline_incident", "datasetType": "gas_transmission_gathering", "datasetLabel": "Gas transmission and gathering", "datasetPeriod": "January 2010 to present", "report": { "number": "20120035", "supplementalNumber": "15819", "type": "SUPPLEMENTAL FINAL", "receivedDate": "2012-04-05", "receivedDateRaw": "4/5/2012" }, "operator": { "id": "18608", "name": "STANDARD PACIFIC GAS LINE INC" }, "incident": { "date": "2012-03-08", "dateRaw": "3/8/2012 11:45" }, "location": { "city": "MARTINEZ", "county": "CONTRA COSTA COUNTY", "state": "CA", "postalCode": "94553", "latitude": 38.004244, "longitude": -122.088437, "type": "OPERATOR-CONTROLLED PROPERTY", "details": { "DESIGNATED_NAME": "181.42" }, "facilityName": "SP3" }, "cause": { "category": "EXCAVATION DAMAGE", "details": { "CAUSE_DETAILS": "EXCAVATION DAMAGE BY OPERATOR (FIRST PARTY)", "ROOT_CAUSE_CATEGORY": "EXCAVATION ISSUE", "ROOT_CAUSE_TYPE": "IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE", "NARRATIVE": "AT APPROXIMATELY 1145 HOURS ON MARCH 8, 2012, A GENERAL CONSTRUCTION (GC) GAS CREW, STRUCK A 3/4-INCH STEEL GAUGE LINE ON SP3 AT MP 181.42 WHILE EXCAVATING TO EXPOSE AND REPAIR A VALVE RESULTING IN A RELEASE OF GAS. THE EXCAVATION WAS INSIDE A STATION. THE FLOW OF GAS WAS STOPPED AT 0030 HOURS ON 3/9/12. THE 24-INCH MAIN WAS MARKED AND LOCATED (USA # 056229) BEFORE CONSTRUCTION STARTED THE JOB. THERE WERE NO INJURIES, FATALITIES, NO IGNITION AND NO MEDIA PRESENT. THIS BECAME REPORTABLE AT APPROXIMATELY 0930 HOURS ON MARCH 9, 2012 WHEN IT WAS DETERMINED THAT THE COST OF THE REPAIRS WILL BE IN EXCESS OF $50K. ONE CUSTOMER LOST SERVICE AS A RESULT OF THIS INCIDENT." } }, "consequences": { "fatalities": 0, "injuries": 0, "commodity": "NATURAL GAS", "release": "5", "propertyDamage": 60000, "estimatedOperatorCost": 0, "estimatedEmergencyCost": 0, "estimatedEnvironmentalCost": null, "ignition": "NO", "explosion": "NO", "evacuated": 0, "raw": { "FATAL": "0", "INJURE": "0", "UNINTENTIONAL_RELEASE": "5", "EST_COST_PROP_DAMAGE": "60000", "PRPTY": "63200" } }, "provenance": { "viewId": "27nc-rsge", "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge", "assetId": "2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8", "archiveFilename": "Gas Transmission & Gathering Incident Data - January 2010 to present.zip", "archiveSha256": "fe0b136ca4b00ac987a8bc2e195098accf910d97512c5fc3b59e62d9da5f674e", "memberPath": "incident_gas_transmission_gathering_jan2010_present.txt", "memberSha256": "b435f2a25718cf54c54e00294e6788c4f9c6860e02fb86355e75d294c243c4dd", "rowNumber": 1732, "rowSha256": "c6d4d5f0f1b4922552e1d2b4fa625fc902857fd1bd6fa02450359eb49a6929ae" }, "caveat": "Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.", "operatorReported": true, "finalAgencyFinding": false, "flaggedAnalysis": { "dataAsOf": "2026-07-31", "flags": { "fireFirst": null, "significant": false, "serious": false }, "standardizedCause": { "sevenCategory": "EXCAVATION DAMAGE", "sevenSubcategory": "OPERATOR/CONTRACTOR EXCAVATION DAMAGE", "eightCategory": "EXCAVATION DAMAGE", "eightSubcategory": "OPERATOR/CONTRACTOR EXCAVATION DAMAGE" }, "costs": { "reported": 63200, "in1984Dollars": 34274.3044397463, "currentYearDollars": 81107.18393234673 }, "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.", "provenance": { "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip", "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files", "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm", "retrievalMode": "official_live", "archivedAt": null, "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec", "workbook": "gtggungs2010toPresent.xlsx", "sheet": "gtggungs2010toPresent", "rowNumber": 259, "rowSha256": "ca7fb425fedcfa15c5d885ceb4ef9592bebbeeda16be273e63a5cb189414e533" } }, "jurisdiction": "US", "operatorName": "STANDARD PACIFIC GAS LINE INC" } ```