ML17298B142

Forwards Request for Addl Info Re Evacuation Time Estimate Analysis for Emergency Plan.Response Requested within 2 Wks of Ltr Receipt

ML17298B142
Person / Time
Site:	Palo Verde
Issue date:	07/27/1984
From:	Knighton G Office of Nuclear Reactor Regulation
To:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
References
NUDOCS 8408130182
Download: ML17298B142 (6)

Text

Docket'os.:

50-528, 50-529 and 50-530 JUL g7 $84 Mr. E.

E.

Van Brunt, Jr.

Vice President - Nuclear Projects Arizona Public Service Company Post Office Box 21666 Phoenix, Arizona 85036

Subject:

Request for Additional Information - Evaluation Time Estimate Analysis for Palo Verde Emergency Plan The staff has reviewed the time evacuation study submitted in support of the Palo Verde Emergency Plan and has determined the need for additional information to complete the review.

The specific information required is identified in the enclosed request for additional information and has been discussed with Mr. Bill guinn and other members'f your staff.

We ask that you provide the requested information and that you inform us within two weeks of receipt of this letter as to when the information will be submitted.

If you have any questions regarding this request, you should contact Manny Licitra, the Licensing Project Manager.

Sincerely,

Enclosure:

As stated cc:

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Rosemead, California 91770 Ms. Hargaret Walker Deputy Director of Energy Programs Economic Planning and Development Office 1700 West Washington Phoenix, Arizona 85007 Mr. Rand L. Greenfield Assistant Attorney General Bataan Memorial Building Santa Fe, New Mexico 87503 Resident Inspector Palo Verde/NPS U.S. Nuclear Regulatory Commission P. 0.

Box 21324 Phoenix, Arizona 85001 Hs. Patricia Lee Hourihan 6413 S. 26th Street Phoenix, Arizona 85040 Kenneth Berlin, Esq. Winston 8 Strawn Suite 500 2550 M Street, NW Washington, DC 20037 Ms. Lynne Bernabei Government Accountability Project of the Institute for Policy Studies 1901 gue Street, NW Washington, DC 20009 Ms. Jill Morrison 522 E. Colgate Tempi, Arizona 85238 Regional Administrator - Region V U. S. Nuclear Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek, California 94596 Ip PALO VERDE REQUEST FOR ADDITIONAL INfORMATION REGARDING EMERGENCY PREPAREDNESS OPEN ITEM J(6) 1. The submittal (ANPP-28685-WFQ/KEJ), dated January 24, 1984, provided by APS was reviewed by the staff, and the following issues require resolutions: (a) The citation of the source for the evacuation speed equation used in the Palo Verde Evacuation Time Study (Study) is erroneous. The actual evacuation speed equation used is a modified version of the cited reference. The applicant should reflect this infor-mation in the Study. (b) Because the evacuation speed equation used in the Evacuation Time Study is a modified one, the applicant should reflect in the Study that the equation is only valid when demand is less than capacity. (c) The applicant's concept of density (i.e., number of vehicles per mile) assumes the nominal length of a car is 10 feet and that there will be maintained a distance of 10 feet between each car for each 10 miles per hour. Such assumptions lead to erroneous times to clear the last vehicle from a given segment of roadway under consideration; this is because empirical data indicates that people do not generally drive that close to each other. Therefore, the applicant should choose another approach that compensates for this fact. One example would be to utilize a two second time interval between successive vehicles. l( 4 ~}}