ML17037B541
| ML17037B541 | |
| Person / Time | |
|---|---|
| Site: | Millstone, Nine Mile Point  |
| Issue date: | 08/11/1976 |
| From: | Lear G Office of Nuclear Reactor Regulation |
| To: | Rhode G Niagara Mohawk Power Corp |
| References | |
| Download: ML17037B541 (4) | |
Text
Docket No. 50-220 AUG 11 3976 Niagara Vehawk Power Corporation ATTN: tlr. Gerald K. Rhode Yice President - Engineering 300 Erie Boulevard ltest
- Syracuse, New York 13202 Gentlemen:
RE:
NINE HILE POINT Provided herein as Enclosure 1 is a description of events which occurred at Hillstone Unit Ho.
2 during July 1976 relating to plant operation and equipment failures during a degraded grid voltage condition.
On July 27, 1976, all utilities with operating reactor facilities received telephone notification fred the NRC of the events at the Hillstone Unit Ho.
2 facility.
At that time members of yout staff were asked to investigate the vulnerability of your facility to similar degraded voltage conditions and to provide a response by telephone within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
As a result of our initial investigation and evaluation of the potential generic implications of the events at blillstone and our preliminary discussions with several licensees, we consider it necessary to require all operating reactor licensees to conduct a
thorough evaluation of the problem and to 'submit formal reports.
Therefore, we request that you conduct an investigation of the issue as it affects your facility using the Request for Information detailed in Enclosure 2 as a guide, and provide the analyses and results within 30 days of your receipt of this letter.
The signed original and 39 copies of your response will be necessary.
OPFICE~
SURNAME~
DATE~
POTCI hEC.318 (Rev. 9-33) hZCM 0240 4 U, S. OOVERNMENT PRINTINO OPPICEI IST4 424 !44
I 0
~ R i'78 l
~
g~]),
\\
F 8!
v l
n
'I IP 5 ~
t f
4I
~
~
'll H4
~'
4 a
~
p
Niagara Mohawk Power Corporation AUG ji176 1 ~
This request for gen'eric information was approved by GAO under a
blanket clearance number B-180225 (R0072); this clearance expires July 31, 1977.
Sincerely,
Enclosures:
1.
Description of Events Millstone Unit No.
2 2.
Request for Information cc:
Arvin E. Upton, Esquire
- LeBoeuf, Lamb, Leiby 8 MacRae 1757 N Street, N.
W.
Washington, D. C.
20036 Anthony Z. Roisman, Esquire
- Roisman, Kessler and Cashdan 1712 N Street, N. Il.
Lfashington, D. C.
20036 Oswego City Library 120 E. Second Street
- Oswego, New York 13126
\\
George Lear, Chief Operating Reactors Branch P3 Division of Operating Reactors DISTRIBUTION:
Docket NRC BDR Local PDR ORBIII3 Rdg KRGoller TJCarter OELD OI8IE (3)
LGear TVerdery JGuibert CParrish DEisenhut TBAbernathy JRBuchanan DRess (ACRS) (16)
File orI Iced ORBg3
.TYerdery,.:. acr..
.,8/...,.'....4....../.7.6 SURNAME~
CATS~
Form hEC-318 (RST. 9.53) hECM 0240
,.QRBN3...,.....,...,...,..........,......,......,..
GLea.r...,
8/..~..~.../?.6.......................,......
ORBS'.3......
J,6uibe.r.,t....,.........
8/
yk
/?6 4 II, S. ODVSRNMCNT RRIHTIN4 OPPICSI IS74 Sdd Idd
8%i gJ du.
lg'y
~i II lttI I P
) KlI P