{"operation":"document","citation":"PHMSA Report 20130121","title":"NORTHERN BORDER PIPELINE COMPANY — Gas transmission and gathering — incident on 2013-11-30","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2013-12-30","effective_on":"2013-11-30","summary":"Gas transmission and gathering incident in ARNEGARD, MCKENZIE County, ND. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 11450 NATURAL GAS released, $1,508 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-4353379c97ec6e1ef2ea5b5b.json","markdown":"https://regulus.evalyn.ai/document/phmsa-incident-4353379c97ec6e1ef2ea5b5b.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-incident-4353379c97ec6e1ef2ea5b5b","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 ARNEGARD, MCKENZIE County, ND. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 11450 NATURAL GAS released, $1,508 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: 20130121.\n\nOperator ID: 13769.\n\nReported incident date: 11/30/2013 14:30.\n\nLocation detail: 36.2\n\nCause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT\n\nCause detail: AT 13:51 ON 11/30/2013 THE STATION CONTROL PANEL PROGRAMMABLE LOGIC CONTROLLER (PLC) FAILED DUE TO A DIGITAL INPUT CARD FAILURE. THE PLC FAILURE CAUSED THE STATION TO SHUT DOWN AND BLOW DOWN. THE STATION ISOLATION VALVES AND BLOWDOWN VALVE OPERATED CORRECTLY AND VENTED THE STATION MAIN GAS PIPING. AT THE SAME TIME, THE FUEL GAS VENT VALVES OPENED, BUT THE FUEL GAS ISOLATION VALVES, HV-1014 AND HV-1036 FAILED TO CLOSE. THE ON-CALL TECHNICIAN ARRIVED AT THE STATION AT 16:15 AND DISCOVERED GAS VENTING THROUGH THE FUEL GAS VENT VALVES. AT 16:25 THE FUEL GAS VENT VALVES WERE MANUALLY CLOSED. THE STATION WAS RESTORED TO SERVICE AT 01:15 12/01/2013.\n\nPHMSA trend classification: not significant, not serious.\n\nPHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.\n\nPHMSA indexed costs: $47,302 reported total cost, $37,759.197 in 1984 dollars, $47,517.335 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":1661}