U.S. Nuclear Regulatory Commission Operations Center Event Reports For 12/27/95 - 12/28/95 ** EVENT NUMBERS ** 29769 29770 29771 29772 !!!!!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!!! +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29769 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: PERRY REGION: 3 |NOTIFICATION DATE: 12/26/95 | |UNIT: [1] [ ] [ ] STATE: OH |NOTIFICATION TIME: 23:39 [ET]| |RX TYPE: [1] GE-6 |EVENT DATE: 12/26/95 | +------------------------------------------------+EVENT TIME: 23:00[EST]| |NRC NOTIFIED BY: M DAMMANN |LAST UPDATE DATE: 12/27/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |CREED RDO | |AIND 50.72(b)(2)(iii)(D) ACCIDENT MITIGATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 88 POWER OPERATION | 88 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | HIGH PRESSURE CORE SPRAY (HPCS) DECLARED INOPERABLE AFTER FAILING ITS FIRST | | SURVEILLANCE. | | | | LICENSEE ENTERED TECHNICAL SPECIFICATION 3.5.1 (14 DAY LIMITING CONDITION | | OF OPERATION) FOR HPCS AFTER IT FAILED ITS FIRST SURVEILLANCE. WITH HPCS | | FLOW AT 6200gpm ITS DIFFERENTIAL PRESSURE SHOULD BE LESS THAN 509 psid. | | WHEN ITS DIFFERENTIAL PRESSURE WAS MEASURED AT A FLOW RATE OF 6200 gpm IT | | WAS FOUND TO BE 518.5 psid (DIFFERENCE BETWEEN SUCTION AND DISCHARGE | | PRESSURE). HPCS WAS DECLARED INOPERABLE PER TECHNICAL SPECIFICATION 3.5.1. | | LICENSEE IS INVESTIGATING THIS PROBLEM. RCIC AND THEIR EMERGENCY CORE | | COOLING SYSTEMS ARE FULLY OPERABLE IF NEEDED. THE RESIDENT INSPECTOR WAS | | INFORMED BY THE LICENSEE. | | | | * * * UPDATE 12/27/95 1032 FROM NEMCEK TAKEN BY STRANSKY * * * | | | | THE LICENSEE IS RETRACTING THIS NOTIFICATION. THE FLOW AND DIFFERENNTIAL | | PRESSURE DATA TAKEN DURING THE TEST IS CONSISTENT WITH NEW BASELINE DATA | | TAKEN AFTER INSTALLATION OF NEW FLOW INSTRUMENTATION IN OCTOBER. THE | | LICENSEE PLANS TO UPDATE THE TEST PROCEDURE TO USE THE NEW BASELINE DATA. | | THE NRC RESIDENT INSPECTOR HAS BEEN INFORMED BY THE LICENSEE. NOTIFIED | | R3DO (CREED). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29770 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: HOPE CREEK REGION: 1 |NOTIFICATION DATE: 12/27/95 | |UNIT: [1] [ ] [ ] STATE: NJ |NOTIFICATION TIME: 01:56 [ET]| |RX TYPE: [1] GE-4 |EVENT DATE: 12/26/95 | +------------------------------------------------+EVENT TIME: 23:23[EST]| |NRC NOTIFIED BY: DeDOMENICO |LAST UPDATE DATE: 12/27/95 | |HQ OPS OFFICER: BOB STRANSKY +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |GRAY RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N N 0 REFUELING | 0 REFUELING | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | UNEXPECTED START OF SERVICE WATER PUMP AND CONTROL ROOM EMERGENCY | | FILTRATION FAN DURING TESTING. | | | | WHILE PERFORMING THE 'D' CHANNEL LOOP/LOCA 18-MONTH SURVEILLANCE TEST, THE | | 'D' SERVICE WATER PUMP AND 'B' CONTROL ROOM EMERGENCY FILTER (CREF) FAN | | UNEXPECTEDLY STARTED. BOTH PIECES OF EQUIPMENT HAD STARTED AS EXPECTED | | EARLIER IN THE TEST, BUT HAD BEEN SECURED DUE TO PROBLEMS. THE 'D' SERVICE | | WATER PUMP HAD BEEN SECURED DUE TO A PROBLEM WITH THE SERVICE WATER | | STRAINER BACKWASH LINE. THE 'B' CREF FAN HAD TRIPPED APPROXIMATELY 10 | | SECONDS AFTER ITS INTIAL START, AND COULD NOT BE MANUALLY RESTARTED FROM | | THE CONTROL ROOM. | | | | THE LICENSEE WAS IN THE PROCESS OF BACKING OUT OF THE TEST PROCEDURE WHEN | | THE AUTOMATIC STARTS OCCURRED. SPECIFICALLY, THE LICENSEE WAS PERFORMING | | STEPS TO REMOVE TEST EQUIPMENT AND RESTORE THE ECCS LOGIC TO ITS INITIAL | | STATE. BOTH THE 'D' SERVICE WATER PUMP AND THE 'B' CREF FAN HAVE BEEN | | REMOVED FROM SERVICE. THE LICENSEE IS INVESTIGATING THE CAUSE OF THE | | AUTOMATIC INTIATIONS. THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE | | LICENSEE. | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29771 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: WATERFORD REGION: 4 |NOTIFICATION DATE: 12/27/95 | |UNIT: [3] [ ] [ ] STATE: LA |NOTIFICATION TIME: 18:58 [ET]| |RX TYPE: [3] CE |EVENT DATE: 12/27/95 | +------------------------------------------------+EVENT TIME: 17:40[CST]| |NRC NOTIFIED BY: BRIAN HOOD |LAST UPDATE DATE: 12/28/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: UNUSUAL EVENT +-----------------------------+ |10 CFR SECTION: |BLAINE MURRAY RDO | |AAEC 50.72(a)(1)(i) EMERGENCY DECLARED |PHIL MCKEE EO | | |SULLIVAN FEMA | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 3 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | LICENSEE DECLARED AN UNUSUAL EVENT DUE TO INCREASED AWARENESS BY PLANT | | STAFF OF A NATURAL GAS LEAK FROM THE SUPPLY LINE TO WATERFORD UNITS 1 & 2. | | | | THE LICENSEE WAS NOTIFIED OF A NATURAL GAS LEAK FROM THE SUPPLY LINE TO | | WATERFORD UNITS 1 & 2. WATERFORD UNITS 1 & 2 CAN USE EITHER NATURAL GAS OR | | OIL AS FUEL TO GENERATE ELECTRICITY. IT WILL TAKE TWO TO THREE HOURS TO | | REPAIR THE LEAK. NO NATURAL GAS FUMES HAVE BEEN DETECTED AT THE WATERFORD | | UNIT 3 SITE AND THIS GAS LEAK DOES NOT POSE ANY THREAT TO PERSONNEL COMING | | TO OR LEAVING THE PLANT SITE. WATERFORD UNIT 1 & 2 ARE LESS THAN ONE MILE | | FROM WATERFORD UNIT 3. THE LICENSEE ENTERED THEIR EMERGENCY PLAN FOR | | TOXIC/CHEMICAL EMERGENCY, "EB1-004" (INCREASED AWARENESS OF PLANT STAFF, | | STATE, & LOCAL OFFICIALS). THE LICENSEE NOTIFIED STATE AND LOCAL OFFICIALS | | OF THIS EVENT. | | | | RESIDENT INSPECTOR WILL BE INFORMED OF THIS EVENT. | | | | * * * UPDATE 0000 12/28/95 FROM BAKER TAKEN BY MACKINNON * * * | | | | THE LICENSEE TERMINATED THE UNUSUAL EVENT AT 2240 CST OO 12/27/95. A | | COMPRESSION FITTING ON A NATURAL GAS VENT LINE HAS BEEN REPLACED, AND THE | | LEAK HAS BEEN STOPPED. THE NRC RESIDENT INSPECTOR WILL BE INFORMED. | | NOTIFIED R4DO (MURRAY), FEMA (WITZENBERG). | +------------------------------------------------------------------------------+ +----------------------------------+ +-----------------------+ |POWER REACTOR | |EVENT NUMBER: 29772 | +----------------------------------+ +-----------------------+ +------------------------------------------------+-----------------------------+ |FACILITY: LIMERICK REGION: 1 |NOTIFICATION DATE: 12/27/95 | |UNIT: [1] [ ] [ ] STATE: PA |NOTIFICATION TIME: 19:48 [ET]| |RX TYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 12/27/95 | +------------------------------------------------+EVENT TIME: 18:50[EST]| |NRC NOTIFIED BY: O'MALLEY |LAST UPDATE DATE: 12/27/95 | |HQ OPS OFFICER: JOHN MacKINNON +-----------------------------+ +------------------------------------------------+ NOTIFICATIONS | |EMERGENCY CLASS: NOT APPLICABLE +-----------------------------+ |10 CFR SECTION: |HAROLD GRAY RDO | |AESF 50.72(b)(2)(ii) ESF ACTUATION | | | | | | | | | | | | | | +-----+----------+-------+--------+--------------+--+--------+-----------------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+----------+-------+--------+-----------------+--------+-----------------+ | 1 | N Y 100 POWER OPERATION | 100 POWER OPERATION | | | | | | | | | +-----+---------------------------------------------+--------------------------+ EVENT TEXT +------------------------------------------------------------------------------+ | REACTOR WATER CLEAN UP PUMP SEAL FAILURE RESULTED IN STEAM LEAK | | | | THE '1B' RWCU PUMP EXPERIENCED A SEAL FAILURE, RESULTING IN A STEAM LEAK. | | AN RWCU ISOLATION OCCURRED DUE TO DIVISION 1 & 4 STEAM LEAK DETECTION | | ISOLATION SIGNALS. THE SYSTEM RESPONDED AS DESIGNED AND THE ISOLATION WENT | | TO COMPLETION. THERE WAS NO RADIOACTIVE RELEASE AS A RESULT OF THIS EVENT. | | T-103 SECONDARY CONTAINMENT CONTROL TRIP PROCEDURE WAS EXECUTED WITHOUT | | INCIDENT. THE '1B' RWCU PUMP WAS MANUALLY ISOLATED AND SYSTEM RESTORATION | | IS UNDERWAY. THE LICENSEE WILL PLACE RWCU PUMPS '1A' & '1C' INTO SERVICE. | | THE LICENSEE PLANS TO INVESTIGATE THE CAUSE OF THE SEAL FAILURE. | | | | THE NRC RESIDENT INSPECTOR WILL BE INFORMED BY THE LICENSEE. | +------------------------------------------------------------------------------+