ML18192A658

Responds to NRC Request to Submit the Ultimate Heat Sink Foundation Information, with the Balance of Information Submitted with the 10/1/75 in Relation to Palo Verde Nuclear Generating Station, Units 1, 2 and 3

ML18192A658
Person / Time
Site:	Palo Verde
Issue date:	08/29/1975
From:	Van Brunt E Arizona Public Service Co
To:	Parr O Office of Nuclear Reactor Regulation
References
Download: ML18192A658 (6)

Text

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NRC DISTRIBUTION FOR PART 50 DOCKET MATERIAL (TEMPORARY FORM)

CONTROL NO:

Fl)E' ROM. Arizona Public-Servxee.~C Phoenix, Ariz.

E.E. Van.Brunt Jr TO:

flan D,PARR CLASS IUNCLASS PROPINFO DESCRIPTION

~ DATE OF DOC 8-29-75 ORIG 1 Signed INPUT DATE R EC'D 9-15-,75....

CC OTHER NO CYS REC'D ENCLOSURES:

LTR TWX RPT OTHE R SENTNRC PDR SENT LOCALPDR DOCKET NO:

50-528 529/530 Submitting the Ultimate heat sink foundation information

~ ~ EW/attached Drawing...,Advises balance of the info requested will be submitte wi'th.'.the 10-1-75 submittal.

~ ~ ~ ~ ~ ~-

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Palo Verde 1-3

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Begufatory Docket File

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A Mr. Olan D. Parr, Chief Light Water Reactor Branch 1-3 Division of Reactor Licensing U. S. Nuclear Regulatory Commission Washington, D.

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PHOENIX) ARI NA 6 36 August 29, 1975 ANPP-2947

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bbCI;FETID IIXIIIIC RE:

Palo Verde Nuclear Generating Station Units 1, 2 and 3

Docket No.

STN 50-528/529/530 SEPLCI975~

5

'Moil Sacr~

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Dear Mr. Parr:

Your staff has requested that we submit the ultimate heat sink foundation information requested in NRC Question 323.73 prior to the October 1,

1975 submittal.

This information is as follows:

The essential spray ponds are reinforced concrete structures with vertical walls extending 2 feet above adjacent finish grade.

The maximum static water level is 2 feet below, the tip of the vertical walls as shown in Figure I.

The result-ing freeboard is adequate to contain the water during seismic or wind-wave action.

The ponds are designed as Category T.

structures in accordance with PSAR Section 3.8, including static and dynamic lateral earth pressures specified in PSAR Appendix 2T.

Excessive leakage from the ponds is precluded by the thickness of the reinforced concrete walls and base

slab, and by waterstops at all construction joints.

The balance of the information requested in NRC Question 323.73 will be submitted with the October 1,

1975 submittal.

EEVBJr/JMA:skc Attachment cc:

Ms. Barbara E. Fisher, Esq.

Mr. Carmine F. Cardamone, Jr.

E. E. Van Brunt, Jr.

APS Vice President Nuclear Services ANPP Project Director

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