ML20236K914
| ML20236K914 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/02/1987 |
| From: | Zwolinski J NRC OFFICE OF SPECIAL PROJECTS |
| To: | White S TENNESSEE VALLEY AUTHORITY |
| Shared Package | |
| ML20236K915 | List: |
| References | |
| TAC-R00233, TAC-R233, NUDOCS 8711100023 | |
| Download: ML20236K914 (2) | |
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! November 2e 1987'
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9 Manager, of Nuclearg Power -
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LOGC-BETH MNBB-9604
. Chattanooga',: Tennessee 37.402-2801=
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Dear Mr. White:
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SUBJECT:
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A Re:
Sequoyah, Nuclear Plarit, Unit 12 1
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1 By letter dated October 12, 1987, Tennessee Valley Authority:(TVA) requested 2 I
that the 2-loop residua 1> heat removal?(RHR)Lsystem be made inoperable for 24:
j hours in Mode 5'totrepair a common valve'(2-FCV-74-2)'.,LBecause the'Sequoyah-j Unit 2 Technica1 Specifications (TS) require.the RHR system to be operable in-
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' Mode 5, TVA requested staff review and approval:before repairing the valve.
i This' submittal was discussed and clarified in phone calls with:the staff.on October 16 and 19,1987.
Based on its review, as discussed in the enclosed.safetyJevaluation, the staffl concludes that'it'is acceptable'for you to-render the RHR system inoperable for up to.24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in Mode 5 to repair this valve. 10n October 123, 1987, the staff; J
agreed that the work could.be done. The.24-hour period begins when the:RHR.
system is ~~ declared inoperable and tagged ~out of, service.
Sincerely, 1
.0riginalisigned by.:
John A. Zwolinski. Assistant' Director.
'for Projectsc TVA Projects' Division-
.0ffice' of' Special Projects l
Enclosure:
Safety Evaluation cc w/ enclosure:
See next page h
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Mr. S. A'. White Sequoyah: Nuclear Plant Tennessee Valley Authority'.
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General Counsel-Regional Administrator, Region II.-
Tennessee Valley Authority.
U.S;- Nuclear Regulatory Comission 400 West Summit Hill Drive-101 Marietta Street, N.W.
E11 B33 Atlanta, Georgia 30323-Knoxville, Tennessee 37902 Resident: Inspector /Sequoyah NP-Mr. R. L..'Gridley.
c/o U.S. Nuclear Regulatory Connission Tennessee Valley-Authority 2600_Igou. Ferry _ Road.
,j 5N.157B' Lookout Place Soddy Daisy, Tennessee' 37379 Chattanooga, Tennessee ' 37402-2801-Mr. Richard King Mr. H. L. Abercrombie
.c/o U.S. GA0 Tennessee ValleyJAuthority
- 1111 North Shore: Drive Sequoyah Nuclear' Plant Suite 225, Box 194 P.O. Box 2000 Knoxville, Tennessee 37919 Soddy ~ Daisy, Tennessee 37379 Tennessee Depart:nent of Public Health Mr. M. R. Harding
. ATTN: Director, Bureau ~of Tennessee Valley Authority Sequoyah Nuclear Plant Environmental Health Services.
P.O. Box 2000 Cordell Hull BuildingL Soddy Daisy, Tennessee 37379 Nashville, Tennessee 37219 Mr. D. L. Williams Mr. Michael' H.= Mobley, Director Tennessee Valley Authority Division of Radiological Health 400 West Summit Hill Drive T.E.R.R.A. Building-W10 B85 150 9th Avenue' North Knoxville, Tennessee 37902 Nashville, Tennessee 37203-County Judge Dr. Henry.Myers, Science Advisor Hamilton' County Courthouse Committee on' Interior-Chattanooga,. Tennessee 37402 and Insular Affairs l
U.S. House of Representatives 1
Washington, D.C.
20515
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