ML17297B307

Submits Info Supporting Lack of Internal Corrosion Problems of Fuel Oil Storage Tanks Per 811208 Request.Tank Design, Periodic Testing & Supporting Info Balance Against Unproven Record of Coating Is Sufficient

ML17297B307
Person / Time
Site:	Palo Verde
Issue date:	02/24/1982
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Tedesco R Office of Nuclear Reactor Regulation
References
ANNP-20247-JMA, NUDOCS 8203020390
Download: ML17297B307 (8)

Text

REGULATOIINFORMATION DISTRIBUTION 'TEN

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ACCESSION <<NBR; 8203020390, DOG, DATE;.'82/0'2/24 N>>OTABlZEP t, YES, OOCKE'T.

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SUBJECT:

Submi ts -,i n fo supp or ting lack,. of

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congas iori=prob l ems of fuel oi 1 stor age <<tanks.per 81 1208 r<<equest,'Tank

<<desi gpss peri odi c:testing 6 supporting info ba 1 ance aga inst-unproven record of coating i s suf fi c'i ent

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February 24, ANPP-20247 Mr. R. L. Tedesco Assistant Director for Licensing Division of Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.

20555 N MM~gag g~lL@<<

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TIDC Sub) ect:

Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2 and 3

Docket Nos.

STN-50-528/529/530 File:

82-056-026 G.1.10

References:

(1)

NUREG-0857, "Safety Evaluation Report" related to the operation of Palo Verde Nuclear Generating Station Units 1, 2 and 3, dated

November, 1981 (2)

Letter from E.

E. Van Brunt, Jr.,

APS, to J. Kerrigan (ANPP-19576 JMA/WFQ) dated December 2,

1981

Dear Mr. Tedesco:

Reference 1, Section 9.5.4.2 (pg. 9-47) states that "...the staff requires that internal corrosion protection for the fuel oil storage tanks be provided prior to fuel load."

The staff's position had been responded to by Reference 2 and had been further discussed at a meeting with your staff on December 8, 1981.

As discussed at that-meeting, APS is very concerned with the lack of long-term information regarding the reliability of coatings used for such service, especially in view of operating information which we believe indicates a lack of internal corrosion of diesel generator storage tanks in service in the desert climate of Arizona.

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S203020390 8

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'PDR.'t the conclusion of the December 8, 1981 meeting, the NRC staff requested we provide additional information supporting the lack of internal corrosion problems of such tanks in our environment.

The following information is provided in support of this request.

J' rx

Mr. R. L. Tedesco Page 2

1.

A December 9, 1981 telecon with APS Fossil Plant Mechanical Design indicated that APS does not provide coatings for fossil plant diesel fuel storage tanks and that no problems with corrosion or moisture have occured.

2.

A January 14, 1982 telecon with Luke Air Force Base (Storage and Maintenance group) indicated that. their underground diesel fuel storage tanks are not lined (the tanks have sumps that are checked annually) and they have never experienced a problem with corrosion or moisture.

Also, some of these tanks have been in place since 1940.

3.

A January 14, 1982 teleconwith the Phoenix representative of GATX Tank Erection Corporation, a division of General American Transportation Corporation of Los Angeles, California, indicated that they have erected underground diesel fuel storage tanks throughout the desert southwest and have never had problems with corrosion or moisture in their tanks.

As you know, the PVNGS diesel tank design includes a water collection sump and a water drain pipe to draw off water settled in the sum'p on a quarterly basis.

We believe that this tank design, periodic testing, and the above supporting information balanced against an unproven record of coatings in such service is sufficient such that the diesel storage tanks for PVNGS should not be coated.

Please contact me if you have any further questions on this matter.

Very truly y6urs, E.

E. Van Brunt, Jr.

APS Vice President, Nuclear Projects ANPP Project Director EEVBJr/WFQ/av cc:

M. Licitra F. Miraglia P. L. Hourihan R. L. Greenfield A.

C. Gehr

STATE OF ARIZONA

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sate COUNTY OF MARICOPA)

I; Edwin E. Van Brunt, Jr., represent'=that I am Vice President Nuclear Pro)ects of Arizona Public Service Company, that the foregoing document has been signed by me on behalf of Arizona Public Service Company with full authority so to do, 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.

Edwin E., Van Brunt, J g uU Z2P Sworn to before me thfa~day of 1

II 1982.

Notary Public My Commission expires:

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