ML17206A609
| ML17206A609 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 12/29/1978 |
| From: | Reid R Office of Nuclear Reactor Regulation |
| To: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| References | |
| TAC-7841, NUDOCS 7901170432 | |
| Download: ML17206A609 (3) | |
Text
lIECEMBER
~ 9 578 Docket Ho. 50-335 Dr. Robert K. Uhrig Vice President Florida Power
& Light Company.
Advanced Systems
& Technology P. 0.
Box 529'l00 Hiami, Florida 33152
Dear Dr. Uhrig:
DISTRIBUTION:
Lr6ocket Fil e HRC PDR L PDR ORB84 Rdg VStello BGrimes TJCarter RReid PErickson RIngram OI&E (3)
DEisenhut Atty, OELD JRHuchanan TERA Gray File ACRS (16)
By letter dated July 18, 1978 you responded to our request of Hay 17, 1978 on vibratory loads associated with positive displacement charging pumps at St. Lucie Unit No. 1.
In your response you indicated, that the plant has pulsation dampers installed on each of the three charging pumps and that you planned to install suction stabilizers on each of the charging pmps during the 1980 refueling outage.
You also provided the results of field measurements of vibration, strain and pressure pulsations vthich v>ere performed on the charging system in September 1977.
Ite have completed our revieii of this issue for St. Lucie Unit tlo.
1
- and, based on the date from field measurements,
>re conclude that the peat: alternating stresses in the charging system piping due to the operation of the positive displaceamnt pumps shou1d be beiou the endurance 'limita Therefore, fatigue faiiures are not antici ated in/
the changing system piping.
Ile consider this tern ctosefl..
Sincerely, Original sliced by cc:
See next page
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Florida Power 8 Light Company CC:
Robert Lowenstein, Esquire Lowenstein,
- Newman, Reis 8 Axelrad 1025 Connecticut
- Avenue, N.W.
Washington, D. C.
20036 Norman A. Coll, Esquire McCarthy, Steel, Hector 8 Davis 14th Floor, First National Bank Building Miami, Fl ori da 33131 Mr. Jack Shreve Office of the Public Counsel Room 4, Holland Bldg.
Tallahassee, Florida 32304 Indian River Junior College Library 3209 Virginia Avenue Fort Pierce, Florida 33450