ML20207J880

Forwards Request for Addl Info Needed to Complete Review of 860404 Submittal Re Snupps Main Steam Line Break Outside Containment W/Superheated Steam Release Analysis.Info Requested within 45 Days of Receipt of Ltr

ML20207J880
Person / Time
Site:	Wolf Creek
Issue date:	01/06/1987
From:	Oconnor P Office of Nuclear Reactor Regulation
To:	Withers B KANSAS GAS & ELECTRIC CO.
References
NUDOCS 8701080633
Download: ML20207J880 (3)

Text

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4 i

Docket No.: 50-482 --

6 JAM 37 I

Mr. Bart D. Withers 4 President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation Post Office Box 411 .

Burlington,-Kansas 66839

Subject:

Request for Additional Information Related to the SNVPPS Main i Steam Line Break Outside Containment with Superheated Steam Release Analysis The staff is continuing its review of your submittal dated April 4,1986.

To pennit us to continue our review on our current schedule, we require the information requested in Enclosure 1 to this letter be provided.

Please provide the requested information within 45 days of your receipt of this letter, Sincerely, J

Paul W. O'Connor, Project Manager

PWR Project Directorate #4 Division of PWR Licensing-A

Enclosure:

As stated cc: See next page Distribut. ion:

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Enclosure 1 l

PRESSURE AND TEMPERATURE PROFILES FOR PIPE RREAY,S OUTSIDE CONTAINMENT The following information is required for the limiting pipe break analysis performed:

1. With respect to the nadalization schemes, provide:

A. Number of nodes (compartments) analyzed; 8 For each node (compartnenti:

I. Initial temperature II. Initial pressure III. Initial humidity IV. Compartment free volume V. Number of vents and vent area (square feet) for each vent; and -

VI. Compartment height (feet);

C. Simple nodalization diagrams; D. Identification of break compartment, and relative locations of safety related equipment; E. Number, volume, surface area, and material properties of thermal sinks within compartments; F. Descriptions of equipment and thermal models of the equipment, including geometry (surface area and volume), material properties (density, thermal conductivity, specific heat) of all materials included in equipment models and sketches of eouipment models.

7. All assumptions used, including but not limited to the following:

A. Junction loss coefficients; B. Heat transfer coefficient for heat transfer through walls; 2

C. Condensation model used

3. Analysis Results:  !

A. Compartment temperature versus time curve Ineak tenperature specified);

B. Compartment pressure versus time curve (peak pressure specified1; C. Equipment temperature versus time curve (peak temperature specifiedi l for each piece of equipment; l 1

D. Eouipment qualification temperature; E. Identification of locations for A., B. and C., if spatially varying within a compartment.

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Mr. Bart D. Withers Wolf Creek Generating Station Wolf Creek Nuclear Operating Corporation Unit No. I cc:

tir. Gary L. Haden, Director Mr. Gary Boyer, Plant Manager Research 3 Energy Analysis Wolf Creek Nuclear Operating Corp.

Kansas Corporation Comission P.O. Fox 411 4th Floor - State Office Building Burlington, Kansas 66839 Tepeka, Kansas 66612-1571 Jay Silberg, Esq.

Shaw, Pittman, Potts & Trcubridce Regional Administrator, Region IV 1800 M Street, NW U.S. Nuclear Regulatory Comission Washington, D.C. 20036 Office of Executive Director for Operations Chris R. Rogers, P.E. 611 Ryan Plaza Drive, Suite 1000 ,

Panager, Electric Department Arlington, Texas 76011 Public Service Comission * -

P. O. Box 360 Jefferson City, Missouri 65102 Resident Inscector/ Wolf Creek NPS c/o U.S. Nuclear Regulatory Comission Regional Adrinistrator, Region III P. O. Box 311 U.S. Nuclear Regulatory Ccmission Burlington, Kansas 66839 799 Roosevelt Road Glen Ellyn, Illir.ois C0137 Mr. Brian Moline Chief Legal Counsel Senior Resident Inspector / Wolf Creek Versas Corporation Comission c/o U. S. Nuclear Regulatory Comission 4th Floor - State Office Building P. O. Box 311 Tooeka, Kansas 66612-1571 Burlington, Kansas 66839 Er. Robert Elliot, Chief Engineer Mr. Otto Paynard, Manager Licensing

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Utilities Division Velf Creek Nuclear Operating Corp.

Vansas Corporation Comission P. O. Box 411 4th Floor - State Office Building Burlington, Kansas ffP30 Topeka, Kcnsas f6612-1571 Mr. Gerald Allen Public Health Physicist Bureau of Air Ouality & Radiation Control Division of Environment Kanses Dccartr.;ent of Health and Environment Forbes Field Cuilding 321 Topeka, Kansas 66620 l