{"operation":"document","citation":"PHMSA Report 20120123","title":"PUBLIC SERVICE CO OF COLORADO — Gas transmission and gathering — incident on 2012-11-11","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2012-12-11","effective_on":"2012-11-11","summary":"Gas transmission and gathering incident in SILVERTHORNE, SUMMIT County, CO. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 3989 NATURAL GAS released, $51,786 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.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-incident-36229bd74a0815e60dd15014.json","markdown":"https://regulus.evalyn.ai/document/phmsa-incident-36229bd74a0815e60dd15014.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-incident-36229bd74a0815e60dd15014","source_url":"https://data.transportation.gov/api/views/27nc-rsge/files/2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20January%202010%20to%20present.zip","body":"Gas transmission and gathering incident in SILVERTHORNE, SUMMIT County, CO. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 3989 NATURAL GAS released, $51,786 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.\n\nReport number: 20120123.\n\nOperator ID: 15931.\n\nReported incident date: 11/11/2012 15:00.\n\nLocation detail: 3328+18.55\n\nCause detail: EXTERNAL CORROSION\n\nCause detail: ON 11/11/12 AT APPROXIMATELY 15:00 THERE WAS AN UNINTENTIONAL RELEASE OF 3,989 MCF (SEE PART A, #10) OF NATURAL GAS FROM AN 8 INCH STEEL TRANSMISSION LINE, OPERATING AT 752 PSIG. SERVICE WAS SHUT DOWN AT APPROXIMATELY 17:00 ON 11/11/12 AND RESTORED ON 11/12/12 AT APPROXIMATELY 09:00. THE RUPTURE WAS CAUSED BY EXTERNAL GALVANIC CORROSION ATTRIBUTED TO A COATING FLAW (A HOLIDAY OR DISBONDED REGION) THAT ERODED WALL THICKNESS BELOW THRESHOLD TO CONTAIN OPERATION PRESSURE.\n\nPHMSA trend classification: not significant, not serious.\n\nPHMSA standardized cause: CORROSION — EXTERNAL.\n\nPHMSA indexed costs: $67,786 reported total cost, $40,637.208 in 1984 dollars, $83,577.54 in current-year dollars.\n\nPHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.","truncated":false,"body_characters":1431}