COLONIAL PIPELINE CO

Incident Narrative

ON FRIDAY, 11/30/2018, AT APPROXIMATELY 8:45 AM A COLONIAL PIPELINE COMPANY (CPC) INSPECTOR AND CPC LEAD OPERATOR DISCOVERED AN AREA OF DEAD VEGETATION AND NOTED A VISIBLE SHEEN OF APPROXIMATELY 12 FEET X 6 FEET ON THE SURFACE OF STORM WATER ACCUMULATION WITHIN THE DIKED AREA OUT OF SERVICE (OOS) TANK 1468. AN ASSESSMENT BEGAN AT 9:00 AM, TO INCLUDE THE REQUIRED SAFETY PROCESSES, ASSOCIATED DOCUMENTS AND A ONE-CALL (811). AT THE CONCLUSION OF COMPLETING ALL PLANNING AND SAFETY PROCESSES, EXCAVATION BEGAN. IT WAS DISCOVERED THAT A COLONIAL 6-INCH WATER DRAIN LINE WAS THE SOURCE OF THE LEAK AS IT SHOWED SIGNS OF CORROSION. SPILL ABSORBENTS WERE USED TO CONTAIN THE LEAK AND PLASTIC SHEETING WAS USED TO SEGREGATE THE EXCAVATED CONTAMINATED SOIL. THE WATER DRAW LINE WAS ISOLATED AND A VACUUM PULLED ON THE SYSTEM TO PREVENT ANY WATER OR PRODUCT FROM ENTERING THE AREA OF THE EXCAVATION. DRAIN PANS AND ABSORBENT PADS WERE PLACED UNDER THE COMPROMISED AREA OF THE WATER DRAW LINE UNTIL A CLAMP WAS INSTALLED AROUND THE SECTION OF THE PIPE FOUND TO BE THE SOURCE OF THE LEAK. CLAMP INSTALLATION WAS COMPLETED AT 4:30 PM. IT WAS DETERMINED THAT APPROXIMATELY 14 GALLONS OF FUEL WAS RECOVERED (ESTIMATED 5 GALLONS PICKED UP BY SORBENT AND 9 GALLONS IN EXCAVATED SOIL) AS A RESULT OF THIS INCIDENT. NO NRC OR STATE NOTIFICATIONS WERE REQUIRED. AN INCIDENT ANALYSIS INVESTIGATION WILL BE COMPLETED, WHICH, WILL INCLUDE A SITE STUDY RISK ANALYSIS ASSOCIATED TO SIMILAR SITE CONDITIONS, WHICH, WILL SERVE TO DEVELOP CORRECTIVE ACTIONS.