ML20004E863
| ML20004E863 | |
| Person / Time | |
|---|---|
| Site: | 07000687 |
| Issue date: | 03/31/1981 |
| From: | NRC OFFICE OF STANDARDS DEVELOPMENT |
| To: | |
| Shared Package | |
| ML20004E862 | List: |
| References | |
| NUDOCS 8106150532 | |
| Download: ML20004E863 (1) | |
Text
_ __
Revimon 1*
March 1981
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U.S. NUCLEAR REGULATORY COMMISSION
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(qfj# REGULATORY GUIDE
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OFRCE OF STANDARDS DEVELOPMENT o
REGULATORY GUIDE 8.5 CRITICALITY AND OTHER INTERIOR EVACUATION SIGNALS A. INTRODUCTION conception, installation, and operation. A desenption of typical characteristics for an evacuation signal and the Section 70.24, "Cnticality Accident Requirements." of signal generator that were mcluded as requirements in the 10 CFR Part 70. " Domestic Licensmg of Specia! Nuclear body of USASI N2.3-1967 have been placed m Appendix B Matenal." requires enticality detection and alarm systems to ANS!!ANS N2.31979 simply as an example of compliance in any area containing special nuclear matenal when the with the standard.
licensee is authorized to possess such special nuclear mate-nal in excess of certain specified amounts. This guide dermes the charactenstics of an audible signal acceptable to the C. REGULATORY POSITION NRC naff for use where prompt, complete evacuauon is equired to prevent serious injury from radiation exposure.
The charactenstics of an immediate evacuauon signal desenbed in ANSI /ANS N2.3-1979, "Immetate Evacua-
- 8. DISCUSSION tion Signal for Use in Industnal Installations," are gen-erally acceptable to the NRC staff for use wherever such ANSI /ANS N2.31979,1 "Immediate Evacuation Signal a system may be needed or required except that the mmi-for Use m Industnal Installations," which is a revision of mum duration of the signal should be sufficient to ensure US ASI N2.31967, was approved by the Amencan National evacuauon and permit implementauon of access control.
Standards Institute (ANSI) on September 13,1979. The f.
standard defines the charactenstics of an immediate evacua-
. J..A..... tion signal system.
D. IMPLEMENTATION g!
Whereas USASI N2.31967 specified the charactensues of The purpose of this section is to provide information io a uruque zudible s:gnal for evacuanon of the area potentially applicants and licensees regarding the NRC staffs plan for affected by the consequences of a nuclear enticahty acci-using this regulatory guid-This guide reflects practices dent, ANSI /ANS N2.3-1979 presentsthe recognized desirable currently acceptable to the NRC staff. Except in those charactenstics of signal systems and good practices in their cases in which the applicant or licensee propCres accept '
able alternative practices or methods for complying with,
specified portions of the Commission's regulations, the The substanttal number of changes in this revision has made it practices or methods described herem will be used as a impract cal to moicate them with hnes in the massin.
basis for evaluating applications for licenses to possess 3
special nuclear material in quantines subject to 70.24 copies maw De obtamed from the American Nuclear Societv.
5 s s North Kensan gton Ave n ue, l.a Gran ge Par k.
Ilknots 60s:5.
of 10 CFR Part 70.
P00R ORIGINa U.S. Nuclear R egusatory Commession, wasn,of tne commiss.on. "
USNRC REGUL.ATon y GutDES Comments snouie ce sent to the secretary ngton, D.C. 203 5 5 eeguaatory Gueces are issued to descrise ano mame awa lanse to tpe A t t en tion : Docketing ano service Brancn.
ou os.c metnoes acceptaose to tne NRC statt et imoiementing specitec parts of tne commission's requistions, to oes.neate teen.
The guices are issueo vn the following ten oroao civisions:
niowes useo oy the statt in evaluating specific proosems or postu-tateo accioents, or to provece guecence to sociecants. Regulatorv
- 2. oower Reactors
- 6. Peocurts G u eces are not suostitutes f or reguaatsons anc cor-chance wet n
- 2. meseeren ano Test Reactors
- 7. Transportat6on tnem is not recuereo. wetnoes ano sosutions citeerent from tnose set
- 3. Fuees ano Materials Facihties
- 8. occupational **e iltn out in tne gueces wiW oe accepta nie it they ore..oe a cases for tne 4 Erivieonment al ano $ sting
- 9. Antitrust and Nancsas Review tinoengs reau. site to tne issuance or continuanse of a permit or S. Maiersass ano peant protection I O. Gener as heense ey the Commess+on.
Coo.es of ensuea guices may oe curenaseo at the current Governrnent comments ano suggestions f or irnosowements en' inese succes ae e printing Office price. A suoscription servece for futu e gu.ces en soe.
r encouraeec at all times, anc guaces west se reveseo, es aooroo > ate, cit *c civisions is avassacio tneougn the Governenent prenting O*1*ce.
to accommocate comrnents anc to reviect ne w in t oe m a tion or inf ormation on the suoscriotion wev.ce ano current Gpo prices may es per.ence. T nes gusoe was reveseer as a result of suostantive com.
De octained oy writing the U.S. Nuclear seguiaiory commiss.on, ments received from tne oucht ano accetiones statt remw.
washingt on, D.C. 205$ $, Attention: puosecations Saoes Manager.
810 615 053g