ML19296D795

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Forwards Safety Evaluation Reviewing Licensee Response Re Vibrations Causing Chemical & Vol Control Sys Failure. Installed Dampers Are Effectively Reducing Excessive Pressure Fluctuations in Positive Displacement Pump Lines
ML19296D795
Person / Time
Site: Zion  File:ZionSolutions icon.png
Issue date: 02/08/1980
From: Noonan V
Office of Nuclear Reactor Regulation
To: Schwencer A
Office of Nuclear Reactor Regulation
Shared Package
ML19296D796 List:
References
TAC-7837, TAC-7838, NUDOCS 8003130225
Download: ML19296D795 (1)


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oey-8 FEB 0 81980 ME!10RANDUM FOR:

A. Schwencer, Chief, Operating Reactors Branch #1 Division of Operating Reactors FROM:

V. Noonen, Chief, Engineering Branch Division of Operating Reactors

SUBJECT:

C0Ff40fMEALTH CDIS0N C0f4PANY -

CHARGING PUMP VIBRATIONS (TACS 7837 AND 7838)

Plant Name: Zion Unit Nos. I and 2 License No.: DPR-39 and DPR-48 Docket flo. : 50-295 and 50-304 '

Branch and Project Manager: ORB-1, E. Reeves Description of Task: TACS 7837 and 7838 Review Status: Complete I

The Engineering Branch, Division of Operating Reactors, has reviewed the infonnation supplied by Commonwealth Edison Coinpany in letters dated October 4,1978 and Jaur, ?% 1980 on CVCS pump vibrations for the reference plants. The evaluath, and conclusion are attached. Please make appropriate input to RAMS for the completion of the licensing action.

Vincent S. Noonan, Chief Engineering Branch Division of Operating Reactors

Enclosure:

As state d

Contact:

H. Shaw l

X27364 cc:

D. Eisenbut E. Tedesco L. C. Shao W. Garmill

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A. Schwencer S-I V. Noonan

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K. Wichman E. Reeves I

H. Shaw

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p,p 0 S 'cC" MEMORANDUM FOR:

A. Schwencer, Chief, Operating Reactors Branch #1 Division of Operating Reactors FROM:

V. Noonan, Chief, Engineering Branch Division of Operating Reactors

SUBJECT:

COMMONWEALTH EDISON COMPANY -

CHARGING PUMP VIBRATIONS (TACS 7837 AND 7838)

Plant Name:

Zion Unit Nos. 1 and 2 License No.: DPR-39 and CPR-48 Docket No.: 50-295 and 50-304 Branch and Project Manager: ORB-1, E. Reeves Dercription of Task: TACS 7837 and 7838 Review Status:

Complete The Engineering Branch, Division of Operating Reactors, has reviewed the information supplied by Connonwealth Edison Company in letters dated October 4, 1978 and January 23, 1980 on CVCS pump vibrations for the reference plants. The evaluation and conclusion are attached.

Please make appropriate input to RAMS for the completion of t icensing action.

y-f,t S loona, &

et1 Chier Engineedng Branch Division of Operating Reactors

Enclosure:

As stated

Contact:

H. Shaw X27364 cc:

D. Eisenhut R. Tedesco L. C. Shao W. Gammill A. Schwencer V. Noonan K. Wichman E. Reeves H. Shaw D. Dilanni J. Fair

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