ML17298B025

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Forwards Revised Response to Question 5 in Util Re TMI Item II.F.2, Instrumentation for Detection of Inadequate Core Cooling
ML17298B025
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 05/18/1984
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Knighton G
Office of Nuclear Reactor Regulation
References
TASK-2.F.2, TASK-TM ANPP-29538-WFQ, NUDOCS 8405250215
Download: ML17298B025 (10)


Text

REGULATORY~IFORNATION DISTRiBUTION SY%N (RIBS)

ACCESSION NBR:8405250215 DOC.DATE: 80/05/18 NOTARIZED'ES DOCKET FACIL-'STN 50 528 Palo> Verde Nuclear Stationi Unjt ii Ar jzona Publ j 05000528 STN 50 529 Palo'erde Nuclear Stationi Unj t 2g-Arjzona Publ i 05000529 STN 50<<530 Palo Verde Nuclear Stations-. Uni t 3i Ar i zona Publ i 05000530 AUTH ~ NAME AUTHOR AFFILIATION.

VAN BRUNT.E.E'.

Arizona Public Service Co, RECIP ~ NAME RECIPIENT AFFILIATION KNIGHTONBG ~

Licensing Branch 3

SUBJECT:

Forwards revised resoonse to Questioni 5 in uti'I 800223 1 tr r e TMI Item IINF~ 2i "Instrumentatioe for Detection of Inade'quate Cbre Cbol ing.."

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Arizona Public Service Company P.O. SOX 21666 ~ PHOENIX, ARIZONA 85036 May 18, 1984 ANPP-29538 WFQ/MAJ Director of Nuclear Reactor Regulation Attention: Mr. George Knighton, Chief Licensing Branch No. 3 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2 and 3 Docket Nos. STN-50-528/529/530 File: 84-056-026; G.1.01.10

Reference:

1. Letter from G. W. Knighton, NRC, to E. E. Van Brunt, Jr.,

APS, dated December 20, 1983.

Request for Additional Information on TMI Item II.F.2. 2. Letter to G. W. Knighton, NRC, from E. E. Van Brunt, Jr.,

APS, dated February 23, 1984.

APS

Response

to the NRC Request for Additional Information on ICCI. 3. Letter to G. W. Knighton,

NRC, from E.

E. Van Brunt, Jr.,

APS, dated July 29, 1983.

Revised APS

Response

to TMI Item II.F.2.

Dear Mr. Knighton:

The NRC requested by Reference (1), that Arizona Public Service Company (APS) submit additional information to the NRC concerning TMI Item II.F.2, "Instrumentation for Detection of Inadequate Core Cooling." Reference (2) was the APS response to the NRC request of Reference (1).

Recently, E. Licitra and T.

Hwang of your staff have requested APS to revise the response to Question 5 in Reference (2). Attached is the revised APS response. The attached response supersedes the previous APS response to Question 5 in Reference (2). If you have any questions on this matter, please call me. Very truly yours, <U.( E. E. Van Brunt, Jr. APS Vice President, Nuclear ANPP Project Director EEVB/MAJ/sp Attachment 84052502i5 8405i8 PDR 161oaCV 05000528 16I PDR

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Mr. G. W. Knighton Page 2 cc: E. A. Licitra (v/a) T. Hvang

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May 18, 1984 ANPP-29538 WFQ/MAJ STATE OF ARIZONA ) ) ss. COUNTY OF MARICOPA) I, Edwin E. Van Brunt, Jr., represent that I am Vice President, Nuclear Projects of Arizona Public Service

Company, that the foregoing document has been signed by me on behalf of Arizona Public Service Company with full authority to do so, that I have read such document and know its
contents, and that to the best of my knowledge and belief, the statements made therein are true.

V-K Edwin E. Van Brunt, Jr. Sworn to before me this day of 4Y I I My Commission Expires: My Commlsslon Expires April6, $987 1984. Notary Public

h h4 It ~ I If" If

Attachment QUESTION 5: Clarify the implementation schedule for declaring that the final ICCI system is fully operational. APS

RESPONSE

The PVNGS Unit I final Inadequate Core Cooling Instrumentation (ICCI) system is expected to be fully operational prior to exceeding 5% power.

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