TENNESSEE GAS PIPELINE COMPANY

Incident Narrative

10/04/2017; BETWEEN 17:04 HOURS AND 17:20 HOURS, STATION 323A COMPRESSOR STATION OPERATOR HEARD THE SOUND OF NATURAL GAS BLOWING NEARBY AND CONTACTED GAS CONTROL AND OPERATIONS SUPERVISION; OPERATIONS INSTRUCTED EMPLOYEES TO BEGIN CLOSING MAIN LINE VALVES AS PRESSURE DROP WAS BEGINNING. OPERATIONS DISPATCHED MORE EMPLOYEES TO CLOSE ADDITIONAL MAIN LINE VALVES AND TGP BEGAN NOTIFYING CUSTOMERS THE PIPELINE PRESSURE WOULD DECREASE; THE MAIN LINE VALVES ON LINE 300-1 AND LINE 300-2 WERE CONFIRMED CLOSED; AND IT WAS VERIFIED THE GAS RELEASE WAS FROM LINE 300-1 AND DETERMINED THE CAUSE OF RELEASE WAS BY 2ND PARTY DAMAGE; VALVE SECTION 323-1 OF LINE 300-1 IS SECURED; OPERATIONS CHECKED LINE 300-2 FOR IMPACT; OPERATIONS RETURNED LINE 300-2 TO SERVICE; DURING THE EVENT, IT WAS LEARNED THE LOCAL VOLUNTEER FIRE DEPARTMENT CLOSED SOME ROADS; THROUGH LOCAL NEWS MEDIA, IT WAS LATER LEARNED PIKE COUNTY EMA EVACUATED APPROXIMATELY 130 PERSONS; KINDER MORGAN BEGAN INTERNAL INVESTIGATION OF THE EVENT IMMEDIATELY ON 10/05/2017; IT WAS FOUND THE 2ND PARTY HEAVY EQUIPMENT STRUCK THE LINE 300-1 WHILE PERFORMING TASKS FOLLOWING THE REMOVAL OF ROAD BORE TRENCH BOXES RESULTING IN A PUNCTURE OF THE PIPELINE; PIPELINE DAMAGE WAS REPAIRED BY PIPE REPLACEMENT; VALVE SECTION 323-1 OF LINE 300-1 WAS RETURNED TO SERVICE ON 10/07/2017 AT 20:00 HOURS; THERE WAS NO INTERRUPTION OF SERVICE TO TGP CUSTOMERS; ADDITIONAL INFORMATION: PIR OF THE PIPELINE INCLUDING KINDER MORGAN BUFFER IS 606 FEET; ONE CALL TICKET NUMBERS FOR THE CONSTRUCTION PROJECT ARE 20171593582 AND 20171640580; ALL TIMES IN THIS REPORT ARE EASTERN TIME ZONE;