WEST SHORE PIPELINE CO

Incident Narrative

INVESTIGATION OF THE CAUSE OF THIS RELEASE IS ONGOING. AS OF JANUARY 11, 2011 APPROXIMATELY 1200 BARRELS OF PRODUCT AND WATER MIX HAVE BEEN RECOVERED, BUT THE AMOUNT OF PRODUCT RECOVERED HASN'T BEEN DETERMINED DUE TO ISSUES WITH THE COLD WEATHER AND SEPARATING THE PRODUCT FROM THE WATER. 4-21-11 UPDATE ON 12/13/2010, POWERLINES FELL IN THE VICINITY OF LINE 257. LOCAL FIREFIGHTERS RESPONDED TO THE SCENE AND FOUND ACTIVELY ARCING POWERLINES. LINE 257 WAS NOT RUNNING AT THE TIME DUE TO THE NORMAL OPERATING SCHEDULE. THE LINE WAS RESTARTED 12/14/2010 SHORTLY AFTER MIDNIGHT EST. WHEN THE 6-HOUR TRENDING WINDOW BECAME AVAILABLE A LEAKWARN ALARM SOUNDED AT 6:53 EST. AFTER REQUESTING DATA FROM THE RECEIPT LOCATION, THE CONTROL CENTER SUPERVISOR DETERMINED A SHUTDOWN WAS REQUIRED SO PRESSURES COULD BE MONITORED. THE CONTROLLER MADE A CALL TO THE RECEIPT LOCATION AT 8:30 EST TO COORDINATE A SHUTDOWN. THE RECEIPT LOCATION ADVISED THEY WERE ALREADY IN THE PROCESS OF SHUTTING DOWN DUE TO A CALL FROM THE LOCAL FIRE DEPARTMENT, WHO SPOTTED CRUDE OIL ON THE GROUND. EMERGENCY RESPONSE PROCEDURES WERE INITIATED AND ALL INTERNAL AND EXTERNAL NOTIFICATIONS WERE MADE ACCORDING TO THE EMERGENCY PLAN. LOCAL AND EMERGENCY PERSONNEL WERE ON SITE AT 8:55 EST DEPLOYING BOOM MATERIAL TO CONTAIN THE RELEASE. AT 21:00 EST THE TEMPORARY REPAIR WAS COMPLETED AND THE LEAK STOPPED. THE DAMAGED SEGMENT OF PIPE WAS CUT OUT AND PERMANENT REPAIRS WERE COMPLETED 1/6/2011. THE DAMAGED SEGMENT WAS SENT OUT TO A LABORATORY FOR METALLURGICAL ANALYSIS. THE ENSUING REPORT DETERMINED THE CAUSE OF THE LEAK WAS HIGH CURRENT ARC DISCHARGING ENERGY FROM THE PIPE WALL TO THE GROUND. REMEDIATION IS STILL ONGOING. 6/14/13 UPDATE REPORT UPDATED TO REFLECT NEW COST AND VOLUME INFORMATION. CASE FILE IS STILL OPEN, SO THIS REPORT WILL NOT YET BE FILED AS FINAL. 11/7/14 ITEMS 3C AND 3D IN PART C REVISED 07/21/2015 REMEDIATION CHARGES UPDATED