ML19249A437
| ML19249A437 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 08/07/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Proffitt W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| References | |
| NUDOCS 7908220657 | |
| Download: ML19249A437 (2) | |
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'o UNITED STATES e
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NUCLEAR REGULATORY COMMISSION REGION 11 g
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101 MARtETTA ST., N.W., SUITE 31087
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o AT L ANTA, G EoRGI A 30203 SUb 7 1979 In Reply Refer To:
RII:JP0 50-339, 50 h0h 50 h05 Virginia Electric and Power Company Attn:
W. L. Proffitt Senior Vice President, Power P. O. Box 26666 Richmond, Virginia 23261 Gentlemen:
The enclosed Bulletin 79-18 is forwarded to you for infcmation.
No written response is required. If you desire additional infomation regardire this matter, please contact this office.
Sincerely, u
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James P, O'Rei1 [
Director
Enclosures:
1.
Listire of IE Bulletins Issued in Last Six Months 7908220 3 ]
AUG 7 1979 4
Virginia Electric and Power Company cc w/ encl:
W. R. Cartwright, Station Manager Post Office Box 402 Mineral, Virginia 23117 P. G. Perry Senior Resident Engineer Post Office Box 38 Mineral, Virginia 23117 k
~844 291
ccessions No: 7908030403 r SINS No:
6820 UNITED STATES NUCLEAR REGULATORY COMMISSI 0FFICE OF INSPECTION AND EhTO MENT WASHINGTON, D.C.
20555 August 7, 1979 IE Bulletin No. 79-18 AUDIBILITi PROBLEMS ENCOUNTERED ON EVACUATION OF AREAS DescriptiLn of Circumstances:
In January 1979, a number of licensee personnel were engaged in routine l
activities in the auxiliary building at the Florida Power Corporation, Crysta While these individuals were working in the River Unit 3 nuclear plant. auxiliary building, in a high-noise (fan) area, an unp active noble gases was detected.by building monitors within the auxiliary building at concentrations which caused the licensee to initiate the Iacility The facility Emer-emergency plan auxiliary building evacuation procedure.
gency Officer (Shift Supervisor) assessed the monitor readings and an auxiliary building evacuation.
licensee's FA systea, was not heard by the personnel working in the high-noise Licensee personnel did evacuate the auxiliary building upon observing that other personnel had left, and after calling the control room to inquire area.
if an evacuation had been initiated. During these occurrences, licensee personnel were not exposed to quantities of radionuclides a guidance.
of individuals to radioactive materials.
Subsequent to the NRC followup inspection of this occurrence, Florida Power Corporation initiated an assessment of this situation a ciator system needed audibility improvement.
new auxiliary building evacuation tone signal and may add visual alarn indi-cators in areas of very high-noise.
Action to be Taken by the Licensees:
For all power reactor facilities with an operating license:
Determine whether current alars systems and evacuation announcement systems are clearly audible or visible throughout all plant areas with 1.
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