PLANTATION PIPE LINE CO

Incident Narrative

DURING ROUTINE OPERATIONS ACTIVITIES ON JANUARY 29, 2020, PLANTATION PIPE LINE DISCOVERED A STAINED AREA ON THE GROUND AROUND PORTIONS OF THE BASE NEAR THE CHIME OF TANK 14 AT OUR BATON ROUGE TANK FARM IN BATON ROUGE LOUISIANA, EAST BATON ROUGE COUNTY. THE RELEASE AMOUNT WAS CALCULATED TO BE APPROXIMATELY ONE GALLON OF PRODUCT, THE TANK WAS TAKEN OFF LINE AND DEGASSED TO ENTER THE TANK AND COMPLETE AN INTERNAL VISUAL INSPECTION. DUE TO AN ANTICIPATED COST OF REPAIR EXCEEDING $50K A NRC NOTIFICATION WAS MADE PER 49 CFR 195.52. TIME OF CONFIRMED DISCOVERY MEETING THE $50K CRITERIA WAS 0856 CENTRAL TIME 1/30/2020. THE CAUSE OF THE RELEASE IS STILL UNDER INVESTIGATION AND WILL BE NOTED ON THE SUPPLEMENTAL AND FINAL 7000.1 3/5/20 - BASED OFF DISCUSSION WITH AND UNDER THE REQUEST OF BRIAN PIERZINA, PHMSA AID, SECTION A-4 HAS BEEN UPDATED TO REFLECT TIME OF DISCOVERY, AND D-8 HAS BEEN UPDATED TO REFLECT ESTIMATED COST THAT TRIGGERED 195.52 NRC NOTIFICATION ON 1/30/2020. 5/6/20 - AN INTERNAL INVESTIGATION DISCOVERED A 7"" CRACK IN THE BOTTOM PLATE. THE CRACKED PLATE WAS SENT TO A METALLURGIST FOR ANALYSIS. THEY CONCLUDED THE CRACK WAS CAUSED BY CORROSION FATIGUE AS THE TANK IS REPEATEDLY FILLED AND EMPTIED SUBJECTING THE PLATE TO CYCLICAL STRESS. THE TANK HAS BEEN REPAIRED AND PLACED BACK IN SERVICE.