ML17299A310

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Submits Scope of Proposed Reexam of Diesel Generator Cooling & Essential Cooling Water Sys.Reexam,In Addition to Spray Pond Monitor Program,Described in Procedure 73AC-95P01, Spray Pond Piping Integrity Verification, in
ML17299A310
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 05/30/1985
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Knighton G
Office of Nuclear Reactor Regulation
References
ANPP-32744-EEVB, TAC-57419, NUDOCS 8506040371
Download: ML17299A310 (6)


Text

REGULA NFORMATION DISTRIBUTIO R

TEM (RIDS)

ACCESSION NBR;6506000371 DOC,DATE: 85/05/30 NOTARIZED; NO DOCKET 0

FACIL:STN"$0-528 Palo Verde Nuclear Stationi Unit 1~ Arizona Publi 05000528 STN-50 529 Palo Verde Nuclear Stationi Unit 2~ Arizona Publi 05000529 AUTH INANE AUTHOR AFF ILIATION VAN BRUNTiE,E.

Arizona Public Service Co, RECIP ~ NAM(

RECIPIENT AFFILIATION KNIGHTONz G ~ Ni Licensing Branch 3

SUBJECT:

Submits scope of proposed reexam of diesel generator cooling

& essential cooling water sys,Reexamiin addition to spray pond monitor programidescribed in Procedure 73AC"95POii "Spray Pond Piping, Integrity Verificationg" in 850520 ltd DISTRIBUTION CODE; A001D COPIES RECEIVED:LTR ENCL SIZEe TITLE:

OR 'Submittal:

General Distribution NOTES:Standardized plant.

OL 12/31/84 Standardized plant ~

05000528 050.00529 REC IP IENT IO CODE/NAME NRR I 83 BC 01 INTERNAL: ACRS 09 ELO/HDS3 NRR/DL'DIR NRA/DL/TSRG NRR/DSI/RAB RGN5 COPIES I-TTR EN L

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Lh, 04 COPIES LTTR ENCL EXTERNAL; 20X LPUR NSIC 03 05 EG&G BRUSKEtS NRC PDR 02 TOTAL NUMBER OF COPIES REQUIRED:

LTTR 28 ENCL

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Arizona Nuclear Power Project P.O. BOX 52034

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PHOENIX, ARIZONA85072-2034 Director of Nuclear Reactor Regulation Mr. George W. Knighton, Chief Licensing Branch No.

3 Division of Licensing U.S. Nuclear Regulatory Comission Washington, D.C.

20555 ANPP-32744-EEVB/WFQ May 30, 1985

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2

Docket Nos.

STN 50-528 (License No. NPF-34)/529 Proposed Reexamination Scope File:

85-056-026; 85-004-419.06

Reference:

Letter from E. E. Van Brunt, Jr., APS,.to G. Knighton, NRC, dated May 24, 1985 (ANPP-32729);

Subject:

Spray Pond Procedure

Dear Mr. Knighton:

The referenced letter provided you a copy of our spray pond monitoring program described in our procedure 73AC-9SPOl, "Spray Pond Piping Integrity Verification."

In addition to the monitoring outlined in that procedure<

APS will conduct a reexamination of the Diesel Generator Cooling and Essential Cooling Water Systems on PVNGS Units 1 and 2.

The scope of this reexamination is proposed as follows:

Examination Criteria o

Unusual Rust Formation or Deposits o

Tube Blockage o

Excessive Pitting of Heat Exchanger Tube or Tube Sheets o

Indicators of Stress Corrosion Cracking Co nents to be Examined o

Diesel Generator Jacket Cooling Water Heat Exchanger o

Essential Cooling Water Heat Exchanger o

Accessable Piping at Heat Exchangers Examination Schedule o

Unit 2 Train A or B Hot Functional Test (approximately late June 1985) Visual Exam o

Unit 1 Train A or B First Refueling Visual Exam eso~

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r Director of Nuclear Reactor Regulation Mr. George W. Knighton, Chief ANPP-32744-EEVB/WFQ May 30, 1985 Page 2

This information was previously discussed with Mr. Knighton on May 29, 1985.

Please contact Mr. W. F. Quinn of my staff if you have any questions.

Very truly yours, E. E. Van Brunt, Jr.

Executive Vice President Project Director EEVB/WFQ/lb cc:

R. P.

Zimmerman E. A. Licitra A. C. Gehr

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