ML17300B111

Agrees to Listed Actions to Allow Continued Operation of Facility,Per Results of Insp of Reactor Coolant Pump Shafts & 871024 Meeting

ML17300B111
Person / Time
Site:	Palo Verde
Issue date:	10/24/1987
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
161-00609-EEVB, 161-609-EEVB, TAC-66422, TAC-67520, NUDOCS 8710280202
Download: ML17300B111 (4)

Text

Arizona Nuci'ear Power Project P.O. BOX 52534

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PHOENIX, ARIZONA85072-2034 October 24,,1987 161-00609-EEVB/WFQ Docket No.

STN 50-529 U. S. Nuclear Regulatory Commission Washington, D. C.

20555

.ATTN:

Document Control Desk

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 2 Reactor Coolant Pump Shafts File:

87-F-056-026 n

Ch o

CA

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As a result of the meeting held in your offices on October 24, 1987 concerning the results of an inspection of the Unit 1 Reactor Coolant Pump (RCP) shafts, we agree to take the following actions to allow continued operation of PVNGS Unit 2.

We will implement an augmented vibration'monitoring program for each of the four reactor coolant pumps that includes the following elements:

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4 Every four hours, monitor and record the vibration data on each of the four reactor coolant pumps, On a daily basis, perform an evaluation of the pump vibration data obtained in 1. above by using an appropriately qualified engineering individual, When any one vibration monitor on the reactor coolant pumps indicates a vibration level of 8 mils or greater, the Nuclear Regulatory Commission shall be notified within four hours via the emergency notification system, and When any one vibration monitor on the reactor coolant pumps indicates a vibration 'level of 10 mils or greater, within one hour, initiate action to place the unit in at least HOT STANDBY within the next six hours, and at least COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

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U. S. Nuclear Regulatory Commission

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October 24, 1987 161-00609-EEVB/WRQ Zf you have any questions or require additional information, please call W. F. Quinn at (602) 371-4087.

Very truly Sg GUU AL~

E. E. Van Brunt, Jr.

Executive Vice President Project Director EEVB/WFQ/pgn cc:

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M. De Michele A. C. Gehr G.

W. Knighton J.

B. Martin J.

R. Ball

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