ML20235Y187

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Requests Addl Info Re Util 860515,1013 & 31 Responses to IE Bulletin 85-003, Motor Operated Valve Common Mode Failures During Plant Transient Due to Improper Switch Settings. Response Requested within 30 Days of Ltr Date
ML20235Y187
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 07/21/1987
From: Reyes L
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To: Woody C
FLORIDA POWER & LIGHT CO.
References
IEB-85-003, IEB-85-3, NUDOCS 8707250141
Download: ML20235Y187 (2)


Text

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)F orida Power and Light Comnany

' ATTN: Mr. C. O. Woody Group Vice President Nuclear Energy Department l P. O. Box 14000 l Juno Beach, FL 33408 1

Gentlemen:

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION CONCERNING ST. LUCIE RESPONSES TO IEB 85-03 This refers to the Nuclear Regulatory Commissions (NRC) ongoing review'.of .

Florida Power and Light Company's (FP&L) response to IEB 85-03, " Motor Operated Valve Common Mode Failures During Plant Transient Due to Impoper Switch .

Settings," for.your St. Lucie facility. The review of the responses, dated  !

May 15, October 13, and October 31, 1986, indicates the need for additional information before the program to assure valve operability can be approved.

The information provided in your response to Action Item e of IEB 85-03 was found to be deficient in some areas. Please provide the additional information necessary to resolve the following comments and questions:

1. Unlisted MOVs V-3614, -3624, -3634 and ~3644 in discharge lines of the safety injection tank system are shown locked open (fail as is) on Drawing 8770-G-078, Sheet 131, Revision 3, for Unit 1. If power is removed from the motors in addition to the locked-open position.of these MOVs, please state this in your response. Otherwise, address the effect of assuming inadvertent equipment operations as required by Action Item a of the bulletin, and revise the listing of the respanse of 05-15-86 to include these valves.

NOTE: For Unit 2, see Drawing 2998-G-078, Sheet 132, Revision 0.

2. Has water hammer due to valve closure been considered in the determination of pressure differentials? If not, please explain.
3. Please expand the proposed program for Action. Items b, e and .d of the bulletin to include the following details as a minimum:

(a) commitment to a training program for setting switches, maintaining-valve operators, using signature testing equipment and interpreting signatures, and (b) commitment to justify continued operation of a valve determined to be inoperable.

L 8707250141e7072gC DR ADOCK 0500

- _ _ ____mra

, JUL 21 W l

Florida Power and Light Company 2 It is requested that you submit the additional information required within 30 days of the date of this letter. Should you have any questions concerning this J letter, please contact us. 1 i

Sincerely, i 1

Original Signed by )

Luis A. Reyes Luis A. Reyes, Director Division of Reactor Projects cc: I N. Harris, Vice President St. Lucie Nuclear Plant y G. Boissy, Plant Manager i gB. Harper,SiteQASuperintendent ]

bec: d Gibson, RII V Herdt, RII

  1. Jape, RII

. Schnebli, RII g# Wilson,RII l d /j. Kiessel, NRR WRC Resident inspector

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