ML20147F283

Forwards Nonproprietary CEN-39(A)-P,Rev 1 & Proprietary Suppl 1P to CEN-71(A)-P.Proprietary Rept Withheld (Ref 10CFR2.790)

ML20147F283
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/12/1978
From:	David Williams ARKANSAS POWER & LIGHT CO.
To:	Stolz J Office of Nuclear Reactor Regulation
Shared Package
ML20147F289	List: ML20147F283 ML20147F291 ML20147F298 ML20147F306
References
NUDOCS 7810190087
Download: ML20147F283 (3)

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ARKANSAS POWER & LIGHT COMPANY

. POST OFTICE BOX 551 LITTLE ROCK, ARKANSAS 72203 (501) 3'71-4000 T '

J October 12, 1978 '

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. 2-108-4 Director of Nuclear Reactor Regulatory I ATTN: Mr. J. F. Stolz, Chief Light Water Reactors P> ranch #1 U. S. Nuclear Regulatory Conunission .,

Wr shington, D. C. 20555 #

<r Subj ect: Arkansas Nuclear One- Unit 2 '

Docket No. 50-368 License No. NPF-6' i CPC Documentation (File: 2-1510) .

bPete.r.Aeu ilsesto45 @e JTedite b C Gentlemen: D I 5 T Gt i G u Tf b - 6eFAR.4 r g L Arkansas Power and Light Company made conunitments to the Nu- car Regulatory Commission to resolve CPC Position 19 in our 1ctters dated Ny 11, 1978 -

These commitments were discussed with the NRC staff in late March andlearly April and are sununari:cd as follows: ,

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1. The NRC requirement for addition of multi-variabic transient capa-bility would be added to the Single Channel Test Facility through (

the incorporation of the Dynamic Software Verification Test (DSVT)

.into the software test program. i

2. The NRC requirement for single channel exercise of the high power seicetion would be met by re-test of the single channel with this j feature being exercised, f

3 The NRC requirement for qualification of the CPC/CEAC/ Operator's Module interfaces would be met by the addition of a CEAC to the Single Channel Test Facility. .,

4. The NRC requirement for comparison of single channel test facility and 4-channel response would be met through use of DSVT tests on both systems, with the results being compared.

5. Updates of documentation resulting from 1 through 3 above would ,

result in submittal of a modified CPC Single Channel Qualification I Test Report (CEN-71 (A)-P) and a modified CPC Software Change '(

Procedure (CEN-39(A)-P).

Supplement No. 2 to Safety Evaluation Report for ANO-2 was issued in August O

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2-108-4 Mr. J. F.'Stolz- October 12, 1978 1978 This report required that additional information be submitted that describes the process noise testing to be performed in the qualification of software changes.

At a meeting among AP6L, C-E and the NRC Staff on August 31, 1978, discussions were held' to present the intended text of CEN-39(A)-P with regard to Phase II test cose selection, Phase II test accep/ance criteria, and inclusion of process noise tests during qualification of software changes. Follow-up telephone calls with the NRC Staff resolved some wording problems that were not resolved during the meeting.

Pursuant to the above commitments enclosed are:

CEN-39(A)-P Rev. 1 (proprietary copies 13 through 20).

CEN-39(A)-P Supplement IP (proprietary copies 13 through 20).

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CEN-71(A)-P Supplement IP (proprietary copies 13 through 20).

roprietary copy nos. I through S of the above documents were previously provided to Mr. L. Beltracchi on September 22, and September 29, 1978.

During the process of modifying CEN-39(A)-P, portions of the text and a number of appendices were combined and expanded into a supplement' to CEN-39-(A)-P.

This was done to isolate (1)'less detailed portions of the procedure stating what must be done during software modifications (now in the body of CEN-39 (A)-P) from (2) highly detailed step-by-step procedures for performing im-plementation of software changes '(now in supplement to CEN-39(A)-P) . This supplement contains details of_ procedures for the updating and assembly of CPC/CEAC source files and the integration of the CPC/CEAC system software and procedures for generation of CPC/CEAC reference and test disks.

Certain information contained in' the enclosures is proprietary to Combustion Engineering, Inc. . Pursuant to 10CFR2.790, it is requested that this infor-mation be withheld from public disclosure. Also, in accordance with 10CFR-2 790(b) it is recogni:cd that withholding this information from public inspection shall 'not affect the right, 'if any, of persons properly nnd directl q{ concerned 7 enclosed to inspect propractary the information.

documents are enclosed./The non-proprietarv Non-proprietary o

versi_ons information on of a the CPC system sortware is aav.su. ' i Appendix 7A of the ANO-2 FSAR.

In addition the' affidavits specified by 10CFR2.790(b) 'are enclosed. This information has been characterized as proprietary for one'or more of the following reasonsi

1. The use of_the information b_y a competitor would'substantially decrease his expenditures, in time and resources, in designing, producing'or marketing a similar product.

2. This information consists of test data or other similar data concerning'a process method or. component, the application of

.which results in a substantial competitive advantage to Combustloir Er aring, Inc.

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2-108-4 Mr. J. F. Stolz October 12, 1978

3. The information reveals special aspects of a process, method, component or the like, the exclusive use of which results in a substantial competitive advantage to Combustion Engineering, Inc.

The information considered to be proprietary has been denoted by vertical brackets in the margins.

If you should have any questions concerning the proprietary nature of the material transmitted herewith, please address these questions to:

Mr. A. E. Scherer Licensing Manager (9438-401)

Combustion Engineering, Inc.

1000 Prospect 11i11 Road Windsor, Connecticut 06095 We also request that you provide a copy of any questions concerning the proprietary nature of this submittal to the Arkansas Power and Light Company.

Ver* truly yours, ,

Daniel 11. Williams Manager, Licensing DilW: CSP: j aj Enclosures

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