ML20070H062
| ML20070H062 | |
| Person / Time | |
|---|---|
| Site: | Armed Forces Radiobiology Research Institute |
| Issue date: | 03/05/1991 |
| From: | Irving G DEFENSE, DEPT. OF, DEFENSE NUCLEAR AGENCY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20070H066 | List: |
| References | |
| NUDOCS 9103130201 | |
| Download: ML20070H062 (2) | |
Text
to crk' 50. 36 1
l' Do cm7 50- 17d DEFENSE NUCLEAR AGENCY ARMED FORCES RANOBIOLOGY RESE ARCH INSTITUTE DETHESOA MARYLAND 20814 6145 I
i DIR March 5,1901 SUDJECT: Additional Inforinntion on FFCR Installation l
' Inn for License No. l(-84.
Docurnent Control Desk U.S. Nuclear Regulatory Coturnission Washington, D.C.
20555 i
Getitlettlen*
I I
in response to your request of ndditionni Infortnation dated Februnty 12, 2001, the AFRR1 Renctor Staff have revised the FFCR safety annlysis report to further highlight the issues you have =rnised.
Coinnient 1 brings up concerns regnrding shutdown tunrgin, this issue is nddressed on pages 13 nnd 14 of the enclosed l
- report, in cotninent.2 you questioned the vernelty of the equntion which rnodels tlie tuexitutttu teinperature attnined in the steady sinte inode.
A coinplete derivntion of this equation is included on pnges 7 through 10 of the enclosed report.
Finally,.in your third conunent you questioned the approprinteness of the l
point-reactor inodel, the runxlinurn fuel ternperature (pulse inode) equntion, and the value used for the protnpt negative ternperature coefficient of renetivity.
These issues are exninined greater depth on pages 10 through 13 of the enclosed report, if you have_ any questions or corntnents, please contnet the Renctor Facility Director, Mr. Mark Moore, or the Renctor Executive Officer, let Lt Matt Fornbr,ckn, at (301) 205-1200.
Your protnpt reply will be greatly npprecinted.
' Sincerely, j
l
/
& c-s
/l GEORGE A. IRVING, III f l
?
l Colonel, 1. AF, USC i
i Director 1
Enclosure:
ns stated q
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9103130201 910305 PDR ADOCK 05000170 PDR
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cc:
Mr. Marvin Mendonca l
USNRC, Mail Stop 11B30 Washington, D.C. 20555 i
Mr. Thomas Dragoun USNRC, Region I K!ng of Prussia, PA 19400 4