ENERGY TRANSFER COMPANY

Incident Narrative

AT APPROXIMATELY 11:35 AM ON 5/7/2014, DURING AN INTEGRITY ASSESSMENT ON THE ENERGY TRANSFER ACCT: 3080 TEXOMA 30"" PIPELINE, A TEMPORARY FILTER VESSEL WAS INSTALLED TO FILTER PIPELINE PIGGING PARTICULATES. AN UNEXPECTED GAS RELEASE, FROM ONE OF ITS INTERCONNECTING PIPING SEGMENTS, RESULTED IN THIS INCIDENT. THE ROOT CAUSE OF THIS INCIDENT IS STILL UNDER INVESTIGATION. DAMAGES ATTRIBUTED TO THIS INCIDENT ARE PRIMARILY ASSOCIATED WITH ENVIRONMENTAL CLEANUP. EVACUATION WAS LIMITED TO FACILITY PERSONNEL ONLY, DURING INITIAL RELEASE. THIS PIPELINE IS IDENTIFIED AS SYSTEM ID: 530737, TEXOMA 30"" (SUNOCO-HWY 69), WITHIN THE TRRC'S DATABASE AND WAS REPORTED RESPECTFULLY. UPDATE DEC. 22, 2014: A ROOT CAUSE ANALYSIS OF THE TEXOMA 3080 INCIDENT WAS COMPLETED AND DETERMINED THAT THE TEMPORARY PIPING, PROVIDED BY THIRD PARTY VENDOR, DID NOT MEET SPECIFICATIONS FOR INTENDED WORK. THE RESULTING CAUSE OF THE INCIDENT WAS THE FAILURE OF THE SERIES 4170 WEBSTONE 4' 600 WOG BRASS BALL VALVES INSTALLED IN THE AUXILIARY PIPING SYSTEM. ALTHOUGH THE CASTING OF THE VALVE BODY IDENTIFIES THE VALVE IS RATED FOR 600 PSI WOG SMALL PRINT IN THE VALVE LITERATURE STATES THAT 4"" SERIES 4170 WEBSTONE VALVES ARE ONLY RATED AT 400 PSI WOG.