Palo Verde Nuclear Power Plant ENS Inoperable ... Restored

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+ |Power Reactor |Event Number: 36601 | +----------------------------------------------------+ +----------------------------------------------------+ | FACILITY: PALO VERDE REGION: 4 |NOTIFICATION DATE: 01/18/2000| | UNIT: [1] [2] [3] STATE: AZ |NOTIFICATION TIME: 11:41[EST]| | RXTYPE: [1] CE,[2] CE,[3] CE |EVENT DATE: 01/18/2000| +----------------------+EVENT TIME: 09:25[MST]| | NRC NOTIFIED BY: DAN MARKS |LAST | UPDATE DATE: 01/19/2000| | HQ OPS OFFICER: BOB STRANSKY +----------+ +----------------------+PERSON ORGANIZATION | |EMERGENCY CLASS: N/A |LINDA SMITH R4 | |10 CFR SECTION: | | |AENS 50.72(b)(1)(v) ENS INOPERABLE | | +-----+------+-------+-------+-------+-------+-------+ |UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE | +-----+------+-------+-------+-------+-------+-------+ |1 N Y 100 Power Operation |100 Power Operation | |2 N Y 100 Power Operation |100 Power Operation | |3 N Y 100 Power Operation |100 Power Operation | +----------------------------------------------------+ EVENT TEXT +----------------------------------------------------+ | LOSS OF COMMERCIAL TELEPHONE SERVICE | | | | The licensee reported that all U.S. West commercial | telephone service to the | | site (including the ENS) has been lost due to a | problem offsite. The | | licensee is attempting to contact U.S. West to | determine the cause of the | | problem and estimate time to restore. | | | | The NRC resident inspector will be informed of this | event by the licensee. | | | | ******************** UPDATE AT 1916 ON 01/18/00 FROM | DAN MARKS TO LEIGH | | TROCINE ******************** | | | | The following text is a portion of a facsimile | received from the licensee: | | | | "The following event description is based on | information currently | | available. If through subsequent reviews of this | event, additional | | information is identified that is pertinent to this | event or alters the | | information being provided at this time, a followup | notification will be | | made via the ENS or under the reporting requirements | of 10 CFR 50.73." | | | | "NOTE: THIS ENS WORKSHEET IS A FOLLOW-UP TO ENS ID | 36601, PERFORMED AT 09:41 | | MST. SINCE U.S. WEST LINES WERE AFFECTED, THE | INITIAL CALL WAS MADE VIA A | | CELLULAR TELEPHONE." | | | | "On January 18, 2000, at approximately 0925 MST, | Palo Verde Units 1, 2, and | | 3 determined that the ENS telephones were | inoperable. This was related to | | the offsite damage to a 200-pair telecommunications | cable affecting Palo | | Verde. The initial call was placed from the Nuclear | Regulatory Affairs | | Director's cellular telephone, and that phone number | was also provided to | | the [headquarters operations officer] if followup | was necessary prior to | | restoration of the ENS." | | | | "The current prognosis for full restoration of the | ENS is approximately 2400 | | MST. If the Palo Verde Units 1, 2, or 3 cannot be | reached via the ENS, | | [commercial] ... phone numbers are available. [Call | the NRC operations | | officer for site contact numbers.] ..." | | | | "Emergency Plan notification system backups for | communication with State and | | County agencies were confirmed to remain operable; | therefore, this | | notification was only for the loss of ENS and did | not reflect a loss of | | emergency assessment or notification capability." | | | | "There is no corresponding 10 CFR 50.73 reporting | requirement. Palo Verde | | does not expect to followup this report with a | Licensee Event Report | | (LER)." | | | | "Palo Verde [plans to] complete a followup | notification when full capability | | is restored." | | | | The licensee notified the NRC resident inspector. | The NRC operations | | officer notified the R4DO (Smith). | | | | * * * UPDATE 0006EST ON 1/19/2000 FROM BRAD ROBINSON | TO S.SANDIN * * * | | | | The ENS phones have been restored to complete | functionality at 2206MST. The | | licensee notified the NRC resident inspector. | Notified R4DO(Smith). | +----------------------------------------------------

-- Barb B (LeeeeeeB@webtv.net), January 19, 2000

Answers

The above was taken from:

Daily Events Report U.S. Nuclear Regulatory Commission Operations Center 1/18-1/19/2000

-- Barb B. (LeeeeeeB@webtv.net), January 19, 2000.


Is anyone making a summary of these nuke problems?

-- SR (sr@sr.com), January 20, 2000.

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