ML20205P951

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Forwards Rev 6 to Security Plan for Alchemie Facility 1 - Cpdf,Oak Ridge,Tn & Rev 6 to Security Plan for Alchemie Facility 2 - Oliver Springs,Oliver Springs,Tn. Revs Withheld (Ref 10CFR2.790(d))
ML20205P951
Person / Time
Site: 05000000, 05000603, 05000604
Issue date: 11/01/1988
From: Smelser J
ALL CHEMICAL ISOTOPE ENRICHMENT, INC.
To: Thompson H
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
Shared Package
ML19297H226 List:
References
24876, NUDOCS 8811090024
Download: ML20205P951 (2)


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November 1, 1988 U.S. Nuclear Regulatory Commission Documont Control Desk Offico Nuclear Matorial Safety and Safeguards Washington, i~ 20555 Attention: Mr. Hugh L. Thompson, Jr.

6A-4 NMSS Dockot Material Gontlomon:

Pleaso find onclosed fivo (5) copios, numbers 1 through 5 of Rovision 6 to AlChomIE's security plan for the abovo dockot numbers. For AlChomlE Facility 1-CPDF (50-603) and AlChomIE Facility 2-Oliver Springs (50-603) Section 18, Computer Systems, has boon rovised. In that a number of independent revisions, that is only chengo pages wore submitted, tho entiro plan which incorporatos all revisions is includod for your convenionco.

Pleano doctroy your curront copy of the plan and replaco it with this submittal.

Roanons for revising Soction 18, Computer Systems, are as follows. d Tho compu or systems proviously describod, that is th' Cascado Control Room Computor (CRC) and the Caacado Local Computor (CLC), can no longer bo used. Tho CHC has boon removed j from tho Control Room for uso at another Martin Marietta facility. Sinct. the CRC controlled the CLC and all data from tho contrifugo machinos passed botwoon the CRC and CLC, thn CLC is also of no uso to AlChemIE. Consequently, AlChemIE will oporato the contrifugo machinos in tho manual modo and Soction 18, as provioouly written, is dolotod. '

Ono additional computer systom, associated with the Rotor Dalanco Chock Stand (RBCS), was also located within the Contrifugo Plant Demonstration Facility (CPDF). This computer OFFI was proviously used as a quality control mothod to chock the 80'1090024 001103 \

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U.S. Nuclear Regulatory Commission November 1, 1988 Page 2 balance on now rotors. A1ChemIE will not use the RBCS and its computer. It is anticipated that sometime in the future A1ChemIE may modify the RBCS for use as a balancing stand.

Should a computer be used for this operation, the security plan will be revised at that time.

Finally, Section 18.B, Word Processing and Technical Computations, has been revised to incorporato the NRC's General Outline, PC/WP Security Plan Outline. This microcomputer is the only computer that will be used by A1ChemIE.

In accordance with 10 CFR 2.790(d) the onclosed is submitted as proprietary Should you have any ques tions pleaso contact Mr.

William A. Pfeifor at A1ChomIE, Inc.

Very truly yours, (ALCllEMIE,/ INC.

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. , John II. Smolser, Jr.

Chief Exocutivo Officer JilS/WAP/bc cc Dr. Jerry J. Swift /NRC Mr. Everott Goins/ DOE Enclosuro m 1 1