ML20003A059
| ML20003A059 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 01/02/1981 |
| From: | Baynard P FLORIDA POWER CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 3-011-014, 3-11-14, IEB-80-24, NUDOCS 8101290389 | |
| Download: ML20003A059 (5) | |
Text
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%' i 14 \\ \\'E Mr. J. P. O'Reilly Director U.S. Nuclear Regulatory Comission Office of Inspection and Enforcement 101 Marietta Street, Suite 3100 Atlanta, GA 30303
Subject:
Crystal River Unit 3 Docket No. 50-302 Operating License No. DPR-72 I.E. Bulletin 80-24: PREVENTION OF DAMAGE DUE TO WATER LEAKAGE INSIDE CONTAINMENT
Dear Mr. O'Reilly:
Enclosed is our response to I.E.Bulletin 80-24.
As you requested, the approximate manhours expended on this bulletin by plant and Engineering personnel are:
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in conduct of review 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> for required report 8101290 % i 9 General Office 32o1 ininv.tounn sneet sou(n. P O Bonfo42 St Petersburg. Florida 33733 e 813-866-5151
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I Mr. J. P. O'Reilly Director January 2, 1981
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Please contact this office if you require any additional discussion concerning our response.
Very truly yours, FLORIDA POWER CORPORATION I
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P. Y. Baynard Manager Nuclear Support Services Lobo (WO6)DIA-2 Attachment cc:
Director U.S. Nuclear Regulatory Comission Office of Inspection and Enforcement Washington, D.C. 20555 i
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STATE OF FLORIDA COUNTY OF PINELLAS P. Y. Baynard states that she is the Manager, Nuclear Support Services Department of Florida Power Corporation; that she is authorized on the part of said company to sign and file with the Nuclear Regulatory Com-mission the information attached hereto; and that all such statements made and matters set forth therein are true and correct to the best of her knowledge, information and belief.
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U V P. Y > Bayna rd Subscribed and sworn to before me, a Notary Public in and for the State and County above named, this 2nd day of January,1981.
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Notary Public
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Notary Public, State of Florida at' Large, My Commission Expires: June 8, 1984 PYB/MAHNotary(DN-98)
FPC RESPONSE TO I.E. BULLETIN 80-24 ITEM 1:
Provide a summary description of all open cooling water systems present inside containment.
Your description of the cooling water systems must include:
(a) Mode of operation during routine reactor operation and in response to a LOCA; (b) Source of water and typical chemical content of water; (c) Materials used in piping and coolers; (d) Experience with system leakage; (e) History and type of repairs to coolers and piping systems (i.e.,
replacement, weld, braze, etc.); (f) Provisions for isolating portions of the system inside containment in the event of leakage including vulnerability of those isolation provisions to single failure; (g) Provisions for testing isolation valves in accordance witi-Appendix J to 10 CFR 50; (h)
Instrumentation (pressure, dew point, flow, radiation detection, etc.) and procedures in place to detect leakage; and (1) Provisions to detect radioactive contamination in service water discharge from
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contain nent.
RESPONSE
Crystal River Unit 3 has no open cooling water systems inside the containment.
ITEM 2:
For plants with open cooling water systems inside containment, take the following actions:
[ Actions a, b, c, d, e and f]
RESPONSE
Item 2 is not applicable to CR-3.
See response to Item 1.
ITEM 3:
For plants with closed water systems inside containment, provide a summary of experiences with cooling water system leakage into con-tainment.
RESPONSE
FPC experience to date with cooling water system leakap into con-
.tainment is.as follows:
Type of Closed System: Nuclear Services Closed Cycle Cooling Water System Leak Type and Amount Drips, approximately - 1.4 x 10-4 gpm.
of Leakage:
250 gallons collected over a period of 4 months (8/7/80 to 12/8/80).
Lobo (WO6)DIA-2
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FPC RESPONSE TO I.E. BULLETIN 80-24 (Cont'd)
Leak Location:
Reactor Coolant Pump "C"
oil cooler header inlet and outlet flanges.
Method of Detection:
Low Oil Level (with "C" RCP) Alarm in the control room on 12/8/80.
Plant was shut down for oil addition. During the oil addition, water was found dripping l
from inlet and outlet flanges of oil cooler header and accumulating in the il!
RCP oil collection system.
Corrective Actions Tightened oil cooler header, inlet and outlet flanges.
This stopped leaks.
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i Lobo (WO6)DIA-2 1