ML20063L372
| ML20063L372 | |
| Person / Time | |
|---|---|
| Site: | Hartsville  |
| Issue date: | 09/02/1982 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-82 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8209090076 | |
| Download: ML20063L372 (2) | |
Text
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TENNESSEE VALLEY AUTHORITY r
CH ATTANOOGA. TENNESSEE 37401 400 Chestnut Street Tower II f
j September 2, 1982 i
i HTRD-50-518/82-17, -520/82-17, i
U.S. Nuclear Regulatory Commission Region II ATTN: James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 ca
Dear Mr. O'Reilly:
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HARTSVILLE NUCLEAR PLANT A - REPORTABLE DEFICIENCY - VALVES BY m
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KER0 TEST DO NOT MEET SEISMIC CRITERIA - HTRD-50-518/82-17, 4
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-520/82-17 go
~n The subject deficiency was initially reported to NRC-0IE, Region II g, dry
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Inspector Ross Butcher on August 4, 1982 as NCR-6, Kerotest.
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compliance with paragraph 50.55(e) of 10 CFR Part 50, we are q
enclosing first interim report on_the subject deficiency. We m
M' consider 10 CFR Part 21 applicable to this nonconformance. If you F*'
1 have any questions, please call Jim Domer at FTS 858-2725.
Very truly yours, TENNESSEE VALLEY AUTHORITY L.
. Mills, M nager Nuclear Licensing Enclosure cc:
Mr. R. C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 i
J onLCLALWb 8209090076 820902 PDR ADOCK 05000518 YEOf 0
An Equal Opportunity Employer
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ENCLOSURE HARTSVILLE NUCLEAR PLANT A l
VALVES BY KER0 TEST DO NOT MEET SEISMIC CRITERIA 10CFR50.55(e) REPORT NO. 1 (INTERIM)
NCR-6 KER0 TEST HTRD-50-518/82-17, -520/82-17 Description of Deficiency During recent seismic testing, Kerotest, Pittsburgh, Pennsylvania, has discovered that all packed, motor-operated valves shipped to date do not meet the 33 Hertz static analysis criteria. On valves 1" and smaller, the lowest natural frequency is 22.99 Hertz. On 1-1/2" and 2" valves, the lowest natural frequency is 14.9 Hertz.
l These valves were procured under STRIDE contract 77K53-820721-2 for TVA with GE, San Jose, California.
Safety Implications These valves are used in a wide variety of safety-related equipment and systems throughout the plant. Their failure during a seismic l
event could have adverse effects on the safe operation of the j
plant.
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Interim Progress These valves have been located in warehouse storage onsite and have been tagged as nonconforming. Negotiations are underway with the contractor for the return of these valves. TVA has elected to defer construction activities for this project. Deferral does not mean that the project will be cancelled but that TVA is minimizing its expenditures and construction efforts until such time that TVA has sufficient information to indicate whether the project should be completed or cancelled. Therefore, we will not be submitting a final report for this nonconformance until a final decision is made regarding this project.
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