SFPP, LP

Incident Narrative

AT 2120 THE RICHMOND STATION FIELD CONTROLLER OBSERVED HIS SCADA CONTROL SCREENS GO BLANK AND LOST POWER TO ANYTHING PLUGGED INTO THE UPS (UNINTERRUPTIBLE POWER SUPPLY), THEREFORE LOSING CONTROL VIA SCADA. THE UPS HAD FAILED, RESULTING IN THE LOSS OF ALL STATION CONTROL VOLTAGE, SO ALL PLC CONTROL WAS LOST. CONSEQUENTLY, NO COMMANDS WERE SENT TO SHIPPERS TO SHUT DOWN THEIR PUMPS. THE STATION CONTINUED TO RECEIVE PRODUCT FROM LS 37 INTO THE BT-2 SUMP (CAPACITY 90BBL) VIA THE METER RUN PRESSURE RELIEF VALVES (SET TO 210PSI) AT RICHMOND. THE INCOMING STATION PRESSURE CONTROL VALVE DID NOT CLOSE UPON LOSS OF CONTROL VOLTAGE. THE BT-2 SUMP OVERFILLED AND THEN SPLIT OPEN ALONG AN APPROXIMATELY FOUR FOOT SECTION WHERE THE ROOF MEETS THE SHELL, AS DESIGNED. THE FIELD CONTROLLER CALLED THE SHIPPER TO SHUT DOWN THEIR PUMPS, THEN MANUALLY CLOSED THE INCOMING BLOCK VALVE ON LS 37 TO STOP PRODUCT FROM ENTERING THE STATION. SUBSEQUENT INVESTIGATION DETERMINED THAT 58.9 BBLS WAS RELEASED AND THE CAUSE TO BE TWOFOLD; FAILURE OF THE UPS, AND THE CONTROL VALVE INCORRECTLY FAILING ""AS IS"" INSTEAD OF FAILING ""CLOSED"". THIS VALVE HAS BEEN RECONFIGURED APPROPRIATELY. NOTE: PART B, #10 A SMALL AMOUNT OF JET FUEL ESCAPED THE STATION (ESTIMATED AT 1.5 GALLONS) AT THE INTERFACE BETWEEN THE ASPHALT AND CONCRETE BERMS. NOTE: PART C, #4 FACILITY WAS BUILT IN 1957, THE SUMP IS ESTIMATED TO BE BUILT AT ABOUT THE SAME TIME.