ML20063M117
| ML20063M117 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 09/03/1982 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737, TASK-2.E.4.2, TASK-2.F.1, TASK-2.F.2, TASK-2.K.3.13, TASK-TM IEB-79-01B, IEB-79-1B, NUDOCS 8209100145 | |
| Download: ML20063M117 (5) | |
Text
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e-TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 374ol 400 Chestnut Street Tower II September 3, 1982 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555
Dear Mr. Denton:
In the Matter of the
)
Docket Nos. 50-259 Tennessee Valley Authority
)
50-260 50-296 Enclosed is our response to the request for additional information regarding environmental qualification of equipment for the Browns Ferry Nuclear Plant forwarded to TVA by D. B. Vassallo's letter to H. G. Parris dated June 17, 1982. As discussed with R. J. Clark of your staff a copy of the response is not being provided to Franklin Research Center.
Very truly yours, TENNESSEE VALLEY AUTHORITY L.
M'. Mills, Manager Nuclear Licensing me t s
/
dy f 1982.
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Notary Public My Commission Expires Enclosure oc (Enclosure):
U.S. Nuclear Regulatory Commission Region II
[
ATTN: James P. O'Reilly, Regional Administrator gON 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 Mr. R. J. Clark Browns Ferry Project Manager U.S. Nuclear Regulatory Commission 7920 Norfolk Avenue Bethesda, Maryland 20014 8209100145 820903 PDR ADOCK 05000259 P
PDR An Equal Opportunity Employer t-
I ENCLOSURE RESPONSE TO NRC REQUEST FOR ADDITIONAL INFORMATION ENVIRONMENTAL QUALIFICATION OF EQUIPMENT f
BROWNS FERRY NUCLEAR PLAht
(
Reference:
D. B. Vassallo's letter to H. G. Parris dated June 17, 1982)
QUESTION i
1.
Reference 1 does not provide adequate detail with respect to identification of TMI Action Plan equipment installed as of 1/1/81.
a.
Identification of all TMI Action Plan equipment installed as of 1/1/81 is requested.
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RESPONSE
None QUESTION t
1.b. Identification of TMI Action Plan equipment installed with i
implementation dates after 1/1/81 is requested.
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RESPONSE
I TMI Section II.E.4.2.6
- The changes required at Browns Ferry Nuclear Plant to conform to this TNE section were wiring and logic changes only. All physical changes were made at the control panels l
located in a mild environment. No new equipment was installed in harsh environmental areas.
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. i TMI Section II.F.1.6.A
- Some equipment was installed for i
conformance to this section of NUREG-0737 However, this section of NUREG-0737 was not listed in NRC request for additional information item 1.c.
Therefore, no additional details are being provided.
QUESTION 1
1:
1.c. The correlation of these equipment items with the specific 4
sections of NUREG-0737 (5) presented below (as applicable) is requested.
IIE4.2, IID3, IIB 3, IIE4.1, IIK3 13, IIK3 15, IIK3 27 (The correlation is needed to ensure that all items are included in the review, e.g.,
if a transmitter is identifed as a TMI Action Plan item, are the cable and terminal blocks i
associated with the device also identified?)
RESPONSE
(See response to 1.b above)
QUESTION i
1.d. For all installed TMI Action Plan equipment identified, a System Component Evaluation Worksheet (SCEW) (in accordance with 79-01B format) is requested.
RESPONSE
i As no new equipment has been installed in harsh environment areas for TMI section II.E.4.'2.6 and information on TMI se' tion II.F'.1.6.a c
was not specifically requested by NRC, Evaluation Work Sheets (EWS) are not being submitted.
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. QUESTION 1.e. The approximate installation date for the TMI Action Plan equipment items is requested so that the appropriate qualification criteria (NUREG-0588 or DDR Guidelines) can be used in the EEQ evaluation.
RESPONSE
No new equipment was installed for II.E.4.2.6.
QUESTION 2.
The qualification documents, e.g.,
the actual test reports and associated correspondence cited as evidence of qualification listed on the SCEW sheets, for all identified TMI Action Plan equipment are requested.
(The identification of those reports considered to be proprietary is requested so that proper control of documents can be maintained.)
RESPONSE
Since no EWS's are being submitted as explained in the response to item 1.d above, no qualification documentation is being provided.
QUESTION 3
Where the Licensee has a standard Owners' Group position with respect to a NUREG-0737 technical' area or has requested extension of implementation dates, this information is requested in order ^to incorporate it into the rdview.
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RESPONSE
TVA has a standard Owners' Group position with respect to the 1
following NUREG-0737 sections for Browns Ferry:
II.F.2 - Instrumentation for detection of inadequate core cooling.
II.K.3.13 - RCIC restart TVA's schedule for implementation of NUREG-0737 modifications is 6
Provided in TVA letter from L. M. Mills to H. R. Denton dated July 15, 1982.
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