ML19323C130
| ML19323C130 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 05/02/1980 |
| From: | Reid R Office of Nuclear Reactor Regulation |
| To: | Hancock J FLORIDA POWER CORP. |
| References | |
| NUDOCS 8005150057 | |
| Download: ML19323C130 (2) | |
Text
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?g UNITED STATES NUCLEAR REGULATORY COMMISSION n
8005150097 y
WASHINGTON, D. C. 20565
'+ *****+o May 2, 1980 Docket No. 50-302 Mr. J. A. Hancock Director, Nuclear Operations Florida Power Corporation P. O. Box 14042, Mail Stop C-4 St. Petersburg, Florida 33733
Dear Mr. Hancock:
During the February 26, 1980 Crystal River 3 incident, operation of one pressurizer safety valve with a water-solid system resulted from extended operation of the HPI pumps. This operation represents a " test" of sub-cooled water flow through such a valve at high pressure. The valve was not designed for this service. Documentation of the available data would be of value in future safety reviews.
1 At a March 4,1980 Bethesda meeting, you noted that the opening of the safety valve at about 100 psi below the setpoint was attributed to leak-i age prior to the event. Hence, some valve disc damage could be due to i
leaking steam during prior operations. However, if the valve chattered during operation with subcooled water, additional damage may have occurred.
Therefore, we request the following information regarding the subject safety valve:
1.
Provide all data and other information recorded during the incident which could be used to derive values for the flow rates through the valve and fluid conditions upstream of the valve.
Include, for example, injection flow rates, system pressures and temperatures, including pressurizer temperature and information pertinent to letdown flow.
2.
We were informed during the meetings with you in Bethesda, Maryland, that you intend to inspect the safety valve. You are requested to report the results of the inspection.
)
Thank you for your cooperation. We would appreciate your response within sixty (60) days of receipt of this letter.
Sincerely, Robert W. Reid, Chief Operating Reactors Branch #4 j
Division of Licensing cc: See next page
Flcrida Power Ccrporaticn
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cc w/ enclosure (s):
Mr. S. A. Brandimore Mr. Robert B. Borsum Vice President and General Counsel Babcock & Wilcox P. O. Box 14042 Nuclear Power Generation Division St. Petersburg, Florida 33733 Suite 420, 7735 Old Georgetown Road Bethesda, Maryland 20014 Mr. Wilbur Langely. Chairman Board of County Commissioners C1trus County Iverness, Florida 36250 Bureau of Intergovernmental Relations U. S. Environmental Protection Agency 660 Apalachee Parkway Region IV Office Tallahassee, Florida 32304 ATTN: EIS COORDINATOR 345 Courtland Street, N.E.
Atlanta, Georgia 30308 Director. Technical Asses:;nent i
Division Office of Radiation Programs (AW-459) j U. S. Environmen.tal Protection Agency Crystal Mall #2 Arlington, Virginia 20460 i
Crystal River Public Library Crystal River, Florida 32629 Mr. J, Stireve The Public~ Counsel Room 4 Holland Bldg.
Tallahassee, Florida 32304 Administrator Department of Environmental Regulation Power Plant Siting Section State of Florida 2600 Blair Stone Road Tallahassee, Florida 32301 Attorney General Department of Legal Affairs The' Capitol Tallahassee, Florida 32304 Dr. William R. Stratton Los Alamos Scientific Lab Box 503 Los Alamos, New Mexico 87544 l