COLONIAL PIPELINE CO

Incident Narrative

ON 8/1/24 AT 14:47 CST LOCAL OPERATIONS WAS INJECTING ULTRA-LOW SULFUR DIESEL (ULSD) ON LINE 02. AT 14:51 CST LINE CONDITIONS BECAME TRANSIENT, AND WE RECEIVED A HIGH DISCHARGE ALARM ON THE TF#2 OIL BOOSTER AND FEW SECONDS LATER A BEARING/SEAL FAILURE ALARM ON THE 1250 OIL BOOSTER. THIS WAS NOT AN OVER PRESSURE EVENT/SITUATION DUE TO EXCEEDING 110% OF MAX OPERATING PRESSURE (MOP). AN OPERATOR WAS DISPATCHED TO CHECK ON THE 1250 BOOSTER, AND AT 14:54 CST, DIESEL WAS DISCOVERED FLOWING FROM THE OUTBOARD SIDE OF THE PUMP SEAL. THE PUMP WAS ISOLATED WHICH STOPPED THE RELEASE OF PRODUCT. SPILL RESPONSE PERSONNEL WERE MOBILIZED AND ARRIVED ON-SITE AT APPROXIMATELY 15:05 CST. AT 17:30 CST INITIAL CLEANUP WAS COMPLETED, AND ALL RELEASED ULSD WAS RECOVERED. THE LINE 02 1250 BOOSTER SEAL WAS REPAIRED AND RETURNED TO SERVICE ON 8/02/24 AT 13:44 CST. FINAL SITE CLEANUP WAS COMPLETED AT 16:30 CST ON 8/2/24. ALL RELEASED PRODUCT WAS CONTAINED ON CPC PROPERTY. PROPER INTERNAL NOTIFICATIONS WERE MADE. THE LA STATE POLICE (SPOC) WAS NOTIFIED AT 16:00 CST, AND AT 16:25 CST, A DETERMINATION WAS MADE RESPONSE COSTS WERE LIKELY TO EXCEED $50,000; THUS, AN NRC NOTIFICATION WAS MADE ON 08/01/24 @ 16:39 CST.