CCPS TRANSPORTATION, LLC

Incident Narrative

ON DECEMBER 1, 2015 AT APPROXIMATELY 9:50 AM, A MAINTENANCE TECHNICIAN DISCOVERED A RELEASE IN THE QUINCY SOUTH LINE 59 STATION PUMP BUILDING BY UNIT 2. THE EDMONTON CONTROL CENTER WAS IMMEDIATELY NOTIFIED AND UNIT 2 (59-U-2) WAS LOCKED OUT AT 9:55 AM. THE AMOUNT OF THE RELEASE IS ESTIMATED AT 48 GALLONS AND WAS FULLY CONTAINED INSIDE THE STATION PUMP BUILDING AND ON THE CONCRETE FLOOR (NO GROUND CONTAMINATION). AS A PRECAUTIONARY MEASURE, THE NRC WAS NOTIFIED ON DECEMBER 1, 2015 AT 12:39 PM WHEN IT APPEARED THAT COSTS COULD POTENTIALLY REACH THE $50,000 THRESHOLD. FINAL COSTS ARE CONSERVATIVELY ESTIMATED AT $40,000. AN INVESTIGATION DETERMINED THAT THE INBOARD SEAL OF UNIT 2 FAILED WHEN OIL FILLED AND OVERFLOWED THE SEAL CHAMBER. A 2"" DRAIN LINE VALVE INADVERTENTLY BEING LEFT IN A CLOSED POSITION AND NOT BEING RESET TO AN OPEN STATUS UPON COMPLETION OF A PREVENTATIVE MAINTENANCE (PM) TASK PERFORMED ON THE SUMP SYSTEM CONTRIBUTED TO THIS EVENT BECOMING REPORTABLE. THE INBOARD SEAL ON PUMP UNIT 2 WAS REPLACED ON JANUARY 25, 2016. RETRAINING FOR THE MAINTENANCE TECHNICIAN RESPONSIBLE FOR THE QUINCY AND QUINCY SOUTH PUMP STATIONS WAS CONDUCTED VIA FACE TO FACE MEETINGS ON FEBRUARY 5 AND 16, 2016. THE REFRESHER TRAINING INCLUDED REVIEWING THE TASKS AND NECESSARY STEPS TO COMPLETE THE WEEKLY STATION CHECKS. IN ADDITION THE REQUIRED PM TASKS AND STEPS INVOLVED WERE ALSO REVIEWED TO ENSURE A THOROUGH UNDERSTANDING. THE SPECIFIC JOB PLAN FROM OUR OPERATION AND MAINTENANCE MANUAL ASSOCIATED WITH THE TASK THAT RESULTED IN THE VALVE BEING LEFT IN THE INCORRECT POSITION WAS BOOK 6, 02-08-05 SUMP SYSTEMS. RECOMMENDATIONS TO MODIFY/IMPROVE THE STEPS IN THE JOB PLAN ARE CURRENTLY BEING VETTED THROUGH OUR INTERNAL SME'S FOR CONCURRENCE.