ML20128L819
| ML20128L819 | |
| Person / Time | |
|---|---|
| Issue date: | 01/28/1993 |
| From: | Rathbun D NRC OFFICE OF CONGRESSIONAL AFFAIRS (OCA) |
| To: | Graham B, Lehman R, Sharp P HOUSE OF REP., HOUSE OF REP., ENERGY & COMMERCE, SENATE, ENVIRONMENT & PUBLIC WORKS |
| References | |
| RULE-PRM-50-56 CCS, NUDOCS 9302220018 | |
| Download: ML20128L819 (3) | |
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- UNITED STATES
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January 28',.:1993' The Honorable Philip Sharp, Chairman Subcommittee on Energy and Power Committee on Energy and Commerce United States House of Representatives Washington, DC 20515'
Dear Mr. Chairman:
The NRC has sent to the Office of the-Federal Register for _publicationi the enclosed notice of denial of a petition -for.rulemaking. - The-petition requested that the NRC amend certain parts'of 10 CFR Part 50 to= require licensees of nuclear power plants and other nuclear facilities.to consider the effect of electrical-transients on.the operability and reliability of nuclear safety related electrical systems.
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The NRC is denying the petition = because the ' regulations: already' include :
requirements for lightning protection and for protection against the effects of the electrical transient phenomena presentiin the: nuclear:
power plant environment.
Electrical systems 1have been designed oni thei basis of research conducted-in this area since the 1930s..A thorough-review of operating events at commercial nuclear power plants indicates thatlightningrelatedeventshavenotinhibitedtheirsafeioperationandl shutdown.
The NRC also investigated the.effect of nuclear. electromagnetic, pulse on nuclear power plants and found that a-saft: shutdown.could be accomplished.
Please feel free to call. us. should you have any. questions on this matter.
. Sincerely, _
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m Dennis K. Rathbun, Director,.
Office:of Congressional Affairs
Enclosure:
As stated-cc:
Representative Michael Bilirakis 160011 n g5P 9302220018 930128 E
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-January-28, 199T The Honorable Richard H. Lehman, Chairman Subcommittee on' Energy and Mineral Resources Committee on Natural Resources United States House of--Representatives Washington, DC 20515
Dear Mr. Chairman:
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The NRC has sent to the Office of the Federal Register for. publication the enclosed notice of denial of a petition for rulemaking.
The petitioril requested that the NRC amend certain parts of.10 CFR Part 50 to. require.
licensees of nuclear power. plants and other nuclear-facilities to consider the effect of electrical transients on the operability and reliabi_lity of nuclear safety related electrical systems.
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The NRC is denying the petition-because the regulations-alreadyDinclude requirements for. lightning protection and for-protection (against the.
effects of the electrical transient phenomena present in.thefnuclear power plant environment.
Electrical systems have been designed on the-basis of research conducted in this-area since the 1930s. A thorough-review of operating events at commercial nuclear power. plants -indicates.
that lightning related events have not inhibited their safe. operation:and shutdown. The NRC also investigated ~the effect of nuclear electromagnetic pulse on nuclear power plants and found-that a safe 1 shutdown: could-be-accomplished.
Please feel free to call us should you have any questions on-this matter.
Sincerely,-
f O-?.,j Dennis K. Rathbun, Director.
Office of Congressional Affairs
Enclosure:
As stated cc:
Representative Barbara Vucanovich
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7s January 2 8,-: 1 9 9 3; The Honorable Bob Graham, Chairman Subcommittee on Nuclear Regulation-Committee on Environment and Public Works United States Senate Washington, DC 20510
Dear Mr. Chairman:
The NRC has sent to the. 0ffic: oi the Federal Register 2 for publication:
the enclosed notice of denD1 of a petition for rulemaking. iThe petition requested that the NRC amend certain parts of:10 CFR Part 50.to require licensees.of nuclear power plants and other> nuclear facilities to consider-the effect of electrical transients on the operabilityiand reliability of-nuclear safety related electrical systems.
The NRC is denying the~ petition because the regulations alreadylinclude'-
requirements-for lightning protection and.for protection-against the-.
effects of the electrical transient phenomena present in-the. nuclear-H power plant environment; Electrical systems have been' designed on the j
s, basis of research conducted in this area.since theT1930s.
A_ thorough O
review of operating events at commercial. nuclear powe plants indicatesi that lightning related events have not inhibited thei sa fe: operation: and--
1 shutdown. The NRC also investigated the effect of nuclear electromagnetici 4
pulse on nuclear power plants and;found tt.at a safe shutdownVcoul_d be accomplished.
Please feel free to call us should-you have any ~ questions on this' matter,
' Sincerely,1
/
ha f <y Dennis K. Rathbun, Director Office of Congressional Affairs -
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Enclosure:
As stated-j=
cc:
Senator Alan K. Simpson j
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4 ccNGR2ssIONAL CORRESPONDENCE SYSTEM' DOCT '.WT ' PREPARATICM CEECELEST -
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BRIEF DESCRIPTION _OF DOCUMENT (S) /
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DoccxENT coNTaos sensitive- (Nac caly) N Wea-Semeitive 4.
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Congressisaal Ceamittee subcommittee-i 5.
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Atlashmeate
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Rahey (e)
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(4)
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