DAKOTA MIDSTREAM

Incident Narrative

AT APPROX 19:00 ON JANUARY 4, 2020, AN EMPLOYEE OF DAKOTA MIDSTREAM (JAMES STEWART) WAS WORKING ON THE ADJACENT SITE AND HEARD A ""POP"". UPON IMMEDIATE INVESTIGATION, JAMES OBSERVED THAT TANK 9006 (FILLED WITH APPROX 6"" OF CRUDE OIL) WAS ON FIRE AND THAT THE STORAGE TANK'S UPPER LID HAD BEEN DISPLACED. ESD PROCEDURES WERE QUICKLY EXECUTED AND THE OPERATIONS MANAGER AND THE REST OF THE MANAGEMENT TEAM WAS MADE AWARE OF THE SITUATION. AT APPROX. 19:40, THE FIRE DEPARTMENT AND POLICE SHOWED UP TO CONTAIN THE FIRE. BY 21:30, THE FIRE CHIEF STATED THAT THE TANK HAD COOLED TO 50 DEGREES AND THE FIRE WAS CONTAINED. A FORENSIC EXAMINATION AND ENGINEERING EVALUATION OF THE INCIDENT WAS PERFORMED BY ENGTECH TO DETERMINE THE ROOT CAUSE OF THE INCIDENT. THE INVESTIGATION ULTIMATELY CONCLUDED THAT THE CAUSE WAS INDETERMINANT, HOWEVER IT WAS NOTED THAT THE WINDS IN THE AREA WERE EXTREMELY HEAVY THAT EVENING AND MAY HAVE CONTRIBUTED TO THE INCIDENT. ULTIMATELY, DAKOTA MIDSTREAM REPLACED THE DAMAGED EQUIPMENT WITH EQUIPMENT THAT MEETS ALL APPLICABLE INDUSTRY STANDARDS AND ENSURED THAT THE REMAINDER OF THE STATION WAS IN WORKING ORDER. ADDITIONALLY, THE GROUNDING AND RECTIFIER SYSTEMS WERE ADJUSTED BY QUALIFIED CONTRACTORS. ULTIMATELY THE STATION WAS PUT BACK INTO SERVICE ON 7/30/2020