ML20137X887

Forwards RAI Re 970318 Application for Rev to License SNM-1227 to Add Rotary Vacuum Filter in Mop Powder Uranium Recovery Process.Response Requested within 30 Days of Ltr

ML20137X887
Person / Time
Site:	Framatome ANP Richland
Issue date:	04/16/1997
From:	Chotoo S NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To:	Maas L SIEMENS POWER CORP. (FORMERLY SIEMENS NUCLEAR POWER
References
TAC-L30956, NUDOCS 9704220237
Download: ML20137X887 (3)

Text

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+ April 16, 1997 Mr. L. J. Maas Manager, Regulatory Compliance Siemens Power Corporation 2101 Horn Rapids Road Richland, Washington 99352-0130

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION, ROTARY VACUUM FILTER  !

(TAC NO. L30956)

Dear Mr. Mass:

l This refers to your application dated March 18, 1997, requesting the revision l of License SNM-1227 to add a rotary vacuum filter in the mop powder uranium I recovery process. Our review of the revision has identified additional information that is needed in the areas of criticality safety before final .

action can be taken on your amendment request. This additional information is described in the enclosure to this letter.

The additional information should be provided in the form of responses to the )

individual comments within 30 days of the date of this letter. Please reference the above TAC number in future correspondence related to this request.

If you have any questions, please call me at (301) 415-8102. l Sincerely, Original signed by:

Susan Chotoo Licensing Section 2 Licensing Branch Division of Fuel Cycle Safety and Safeguards, NMSS Docket 70-1257 License SNM-1227

Enclosure:

Request for Additional ,Ql=^ 0 3 '/

Information DISTRIBUTION: (Control No. 2F0S)

Docket 70-1257 PUBLIC NRC File Center Region IV NMSS r/f FCSS r/f FCLB r/f CHooker, IV

[G:\vaccum.rai) 0FC FCLB 6 FCLB I FCLB E FCLB 6 FCLB Ad NAME Schotoo 60c, PShea ()(M HFelshereDF KHardink GPangtN DATE 4/,6/97 4/ // //97 4//5 /97 4//f/97 4//[/97 C = COVER E = COVER & ENCLOSURE N = NO COPY OFFICIAL RECORD COPY 9704220237 970416  :

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's NUCLEAR REGULATORY COMMISSION WASHINGTON. O.C. 20!WWO001 April 16, 1997 1

l Mr. L. J. Maas Manager, Regulatory Compliance a Siemens Power Corporation 2101 Horn A pids Road ,

Ri chl ar,<l llashington 99352-0130 2 4

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION, ROTARY VACUVM FILTER (TAC NO. L30956) i i ,

Dear Mr. Mass:

i This refers to your application dated March 18, 1997, requesting the revision  !

of License SNM-1227 to add a rotary vacuum filter in the mop powder uranium  :

recovery process. Our review of the revision has identified additional 4

information that is needed in the areas of criticality safety before final action can be taken on your amendment request. This additional information is  !

described in the enclosure to this letter.

The additional information should be provided in the form of responses to the ,

individual comments within 30_ days of the date of this letter. Please reference the above TAC number in future correspondence related to this request. 4 i

If you have any questions, please call me at (301) 415-8102.

4

!. Sincerely, MAbwu Susan Chotoo i Licensing Section 2 )

Licensing Branch 1 Division of Fuel Cycle Safety {

and Safeguards, NMSS l Docket '70-1257 License SNM-1227

Enclosure:

Request for Additional Information i

1' i

1 a

)

Request for Additional Information Application Dated March 18, 1997 Siemens Power Corporation Docket 70-1257

1. In the March'18, 1997, amendment application, SPC indicated that spacing j will be used for criticality control. Indicate which spacing will be used: the spacing between multiple rotary vacuum filters (RVF's), ,

spacing between RVF's and other equipment, or spacing within an RVF. j

2. -Provide the numerical. limits on the boron carbide in the silicone rubber  !

compound that contains both sand and boron carbide. Explain how these  :

limits compare to the subcritical limits for boron carbide. Also, is  !

the boron carbide going to be used as the fixed neutron absorber for i criticality control?  ;

3. Provide a detailed schematic of the RVF and the room' where it will be  !

used.  !

4 .- Explain the geometry controls (GE02) that SPC intends to use for' criticality control.  ;

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