ML20065L044
| ML20065L044 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 04/13/1994 |
| From: | Hutchinson C ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 94-003, 94-3, GNRO-94-00058, GNRO-94-58, NUDOCS 9404200234 | |
| Download: ML20065L044 (2) | |
Text
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Entergy Opsrations,Inc.
- A'ENTERGY-i m wm Ibt Gbsen. MS 33150:
Td 601437 2800
{
C. R. Hutchinse w+.,a April-13, 1994
(",w"a e new ww an U.S. Nuclear Rega'.atory Comnission Mail Station P1-137 Washington, D.C.
20555 Attention:
Document Control Desk
Subject:
Grand Gulf Nuclear Station Unit 1-Docket No. 50-416 License No. NPF-29 Special Report 94-003 Met rological Monitoring Instrumentation Channels
.' n t erable for More Than 7 Days GNRO-94/00058 Gentlemen:
On March 27, 1994, during a lightning storm in the vicinity of_the site, an apparent lightning strike occurred on the Meteorological Monitoring Tower at 1410 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.36505e-4 months <br />.
Information for wind speed and wind direction at the 162' elev'ation was unavailable for more than 7. days.
In accordance with Technical Specification 3.3.7.3, this special report is being submitted.
Initially the backup meteorological tower was not functioning, however, it was recovered by March-28,_1994 and provided the monitoring information for the 33' elevation.
Damaged instrument sensors for the primary tower required extensive repair and troubleshooting.
As of April 12, 1994 at 1222 hours0.0141 days <br />0.339 hours <br />0.00202 weeks <br />4.64971e-4 months <br />, I
all'available sensors have been replaced and the required instrumentation on the primary tower has beenLretested and is j
Yo s truly, (G/ /
p CR C
cc:
(See Next Page)
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GNRO-94/00058 Page 2 of 3 cc:
Mr.
R. H. Bernhard Mr.
H. W.
Keiser Mr.
R. B. McGehee Mr. N.
S. Reynolds Mr. H. L. Thomas Mr. Stewart D.
Ebneter Regional Administrator U.S. Nuclear Regulatory Commission Region Il 101 Marietta St.,
N.W.,
Suite-2900 Atlanta, Georgia.30323 Mr.
P. W. O'Connor (w/2)
Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail-Sto; 13H3 Washingt3n, D.C.
20555 i
)
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