HECO - HAWAIIAN ELECTRIC COMPANY, INC.

Incident Narrative

AT 1740 HOURS ON 09JAN2018, THE HAWAIIAN ELECTRIC SECURITY COMMAND CENTER RECEIVED A CALL FROM THE RESIDENT AT 96-176C WAIAWA ROAD REPORTING A BLACK SLUDGE SUBSTANCE. HECO SECURITY COMMAND CENTER CONTACTED TWO OF ITS OFFICERS TO INVESTIGATE, THEN CALLED THE CIP CONTROL ROOM AT 1754 HOURS. AT 1758 HOURS, THE WAIAU PIPELINE PUMP WAS SHUTDOWN AND PIPELINE ISOLATION WAS INITIATED. AT 1816 CAPT. D. FORD (HECO SECURITY) ARRIVED ON SITE. AT 1837 HOURS, D. SATO (HECO FUELS) ARRIVED ON SITE AFTER CHECKING THE ROW ON WAIAWA ROAD. B. CHOY (HECO ENVIRONMENTAL COMPLIANCE) MADE NOTIFICATIONS TO THE NATIONAL RESPONSE CENTER (NRC) AT 1902 HOURS, THE LOCAL EMERGENCY PLANNING COMMITTEE (LEPC) AT 1920 HOURS, AND THE DEPARTMENT OF HEALTH (DOH) HAZARD EVALUATION AND EMERGENCY RESPONSE (HEER)) OFFICE AT 1914 HOURS. AT 1918 HOURS, PACIFIC COMMERCIAL SERVICES (HECO'S OSRO) WAS CALLED OUT TO PROVIDE EMERGENCY RESPONSE SERVICES, INCLUDING ASSISTANCE CLEARING THE AREA OF THE LEAK, AND PUMPING OUT LSFO WHILE THE PIPELINE WAS BEING DISPLACED WITH DIESEL. HAWAIIAN ELECTRIC MAINTENANCE CREWS WERE ALSO CALLED TO BRING LIGHTS AND OTHER SUPPORTING EQUIPMENT TO THE SITE. PACIFIC COMMERCIAL SERVICES AND HAWAIIAN ELECTRIC MAINTENANCE CREWS ARRIVED AT THE SITE BY 2030 HOURS. LSFO AROUND THE SUSPECTED SOURCE WAS CUT INTO SECTIONS, ROLLED UP, AND PLACED INTO DRUMS. THE FINGER OF LSFO RISING VERTICALLY FROM THE PIPE WAS EXCAVATED DOWN 3+ FEET, AND A COLLECTION PIT WAS CREATED TO COLLECT LSFO DURING THE PIPELINE DISPLACEMENT. A SECONDARY CONTAINMENT AREA WAS CREATED AROUND THE RELEASE SITE UTILIZING LOCAL SOIL FOR THE DIESEL DISPLACEMENT AS A PRECAUTION. THE PIPELINE DIESEL DISPLACEMENT STARTED AT 0120 HOURS ON 10JAN2018 AND COMPLETED AT APPROXIMATELY 1110 HOURS; THE PIPELINE WAS THEN SHUTDOWN AND ISOLATED. ISLAND MECHANICAL STARTED EXCAVATION TO LOCATE THE PIPELINE ON 11JAN2018. A TEMPORARY PLIDCO CLAMP WAS INSTALLED ON THE PIPELINE AT APPROXIMATELY 1525 HOURS ON 12JAN2018. ALL PETROLEUM CONTAMINATED SOIL FROM THE EXCAVATION WAS REMOVED FROM THE PROJECT SITE. THE SITE WAS PREPARED FOR THE FUTURE REMOVAL OF THE TEMPORARY CLAMP AND SUBSEQUENT CUT OUT OF THE PIPE SEGMENT. AFTER THE CLAMP WAS INSTALLED, THE PIPELINE WAS PLACED BACK INTO LSFO SERVICE ON 15JAN2018 TO SUPPORT THE FUEL INVENTORY NEEDS OF THE WAIAU GENERATING STATION. THE PIPELINE WAS AGAIN DISPLACED WITH DIESEL ON 22JAN2018 TO FACILITATE THE PIPELINE REPAIR SCHEDULED FOR 23JAN2018. THE PIPELINE WAS CUT OUT AND REPLACED AS SCHEDULED.