ENABLE GAS TRANSMISSION, LLC

Incident Narrative

DURING AN IM ECDA DIG ON 7/4/2019, TWO SMALL PIN HOLE LEAKS WERE FOUND IN A FILLET WELD ON LINE JM-7 AT THE BATESVILLE TB #2 TAP. A 20% PRESSURE REDUCTION WAS IMPLEMENTED, AND THIS LEAK WAS TREATED AS A SAFETY RELATED CONDITION. THE MAOP OF JM-7 IS 720 PSIG AND THE DISCOVERY PRESSURE WAS 606 PSIG. THE LINE WAS RESTRICTED IN THIS AREA TO 485 PSIG UNTIL REPAIRS WERE COMPLETED. JM-7 IS A PREDOMINANTLY 8"" PIPELINE AND OPERATES AT 40% SMYS AT THIS LOCATION. THIS IS A CLASS 3 SEGMENT, AND THE LEAK WAS LOCATED ON COMPANY PROPERTY IN INDEPENDENCE COUNTY, AR. THE LEAKS WERE TREATED AS AN SRC UNTIL THE MORNING OF 7/10/2019 WHEN IT WAS DETERMINED THE PLAN OF REPAIR WOULD EXCEED $50,000. A CALL WAS PLACED TO THE NRC (NRC# 1251484) ON 7/10/2019 @ 07:12. A 48 HR. FOLLOW UP TO THE NRC (NRC# 1251686) WAS PLACED ON 7/12/2019 @ 06:52. THE LINE WAS REPAIRED WITHOUT INTERRUPTING SERVICE BY INSTALLING TWO STOPPLES AND A BYPASS. IN BETWEEN THE STOPPLES, AROUND 20 FEET OF PIPE WAS REPLACED ELIMINATING THE LEAK. THE REPAIR JOB WAS COMPLETED ON 7/18/19 AND THE LINE WAS RETURNED TO REGULAR SERVICE.