ML19270H416
| ML19270H416 | |
| Person / Time | |
|---|---|
| Issue date: | 06/12/1979 |
| From: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Wright G ILLINOIS, STATE OF |
| References | |
| NUDOCS 7907240245 | |
| Download: ML19270H416 (2) | |
Text
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mensco UNITED STATES NUCLEAR REQULATORY COMMISSION
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REGION lli 7,
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GLEN ELLYN. ILLINOIS 60137
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JUN 121979 State of Illinois Department of Public liealth ATTN:
Mr. Gary N. Wright, Chief Division of Nuclear Safety 535 West Jefferson Street Springfield, IL 62761 Gentlemen:
The enclosed IE Information Notice No. 79-14 titled " Safety Classifi-cation of Electrical Cable Support Systems" was sent to the following licensees on June 11, 1979, for information:
Cincinnati Gas & Electric Company Zimmer (50-358)
Cleveland Electric Illuminating Company Perry 1, 2 (50-440, 50-441)
Commonwealth Edison Company Braidwood 1, 2 (50-456, 50-457)
Byror. 1, 2 (50-454, 50-455)
La Sa'.le 1, 2 (50-373, 50-374)
Consumers Power Company Midland 1, 2 (50-329, 50-330)
Detroit Edison Company Fermi 2 (50-341)
Illinois Power Company Clinton 1, 2 (50-461, 50-462)
Northern Indiana Public 4 rtice Company Bailly (50-367)
Northern States Power Company Tyrone Energy Park 1 (50-484) 777)
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& 2 I979 State of Illinois 2-Public Service of Indiana Marble Hill 1, 2 (50-546, 50-547)
Union Electric Company Callaway 1, 2 (50-483, 50-486)
Sincerely, k2/ht l jdAY Helen Pappas, Chief Administrative Branch
Enclosures:
IE Information Notice No. 79-14 cc w/encls:
Mr. D. W. Kane, Sargent & Lundy Central Files Reproduction Unit h7C 20b Local PDR NSIC TIC
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OFFICE OF INSPECTION AND ENFORCEMENT REGION III June 11, 1979 IE Information Notice No. 79-14 SAFETY CLASSIFICATION OF ELECTRICAL CABLE SUPPORT SYSTEMS Summary:
The NRC inspection staff has found that in several cases, facilities under construction have not applied the pertinent quality assurance requirements of 10 CFR 50, Appendix B to the design, procurement, and installation of cable trays and their support systems for Class IE electrical cables. This notice is being issued to all applicants for, and holders of construction perndts, to remind them of the Commission's regulations on this subject.
Description of Circumstances:
1.
In the Commission's Regulations for Licensing of Production and Utilization Tacilities - 10 CFR Part 50, Criterion 2 of Appendix A, states in part at " Structures, systems and components important to safety shall be designed to withstand the effects of.... earthquakes....without loss of capability to perform their safety functions...."
2.
The Ca==isrion's Regulations on Reactor Site Criteria, Part 100, Appendix A, define a " safe shutdown earthquake," (SSE) and generally identify the structures, syste=s and components which are required to remain functional during such an earthquake.
3.
Regulatory Guide 1.29 " Seismic Design Classification" states in pertinent part:
"C.I.
The following structures, systems and components of a nuclear power plant, including their foundations and supports (emphasis added) are designated as Seismic Category I and should be designed to withstand the effects of the SSE and remain functional. The pertinent quality assurance requirements of Appendix B to 10 CFR 50 should be applied to all activities affecting the safety related functions of these structures, systems and components."
"C1.q.
The Class II electric cystems, including the auxiliary syste=s for the on-site electric power supplies, that provide the emergency electric power... "
No written response to this information notice is required. If you have cuestions regarding the matter, please contact the Director of the appropriate NkC Regional Office.
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Attachment:
List of IE Information Notices Issued in 1979 7906290214
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l IE Information Notice No. 79-14 Enclosure June 11, 1979 Page 1 of 1 LISTING OF IE INFORMATION NOTICES ISSUED IN 1979 Information Subject Date Issued To Notice No.
Issued a
79-01 Bergen-Paterson Hydraulic 2/2/79 All power reactor Shock and Sway Arrector facilities with an OL or a CP 79-02 Attempted Extortion -
2/2/79 All Fuel Facilities Lov Enriched Uraniu=
79-03 Limitorque Valve Geared 2/9/79 All power reactor Limit Switch Lubricant facilities with an OL or a CP 79-04 Degradation of 2/16/79 All power reactor Engineered facilities with an Safety Teatures OL or a CP 79-05 Use of improper Materials 3/21/79 All power reactor in Safety-Related Components facilities with an OL or CP 79-06 Stress Analysis of 3/23/79 All Bolders of Safety-Related Piping Reactor OL or CP 79-07 Rupture of Radwaste Tanks 3/26/79 All power reactor facilities with an OL or CP 79-08 Interconnection of 3/28/79 All power reactor Contaminated Systems with facilities with an Service Air Systems Used OL and Pu Processing As the Source of BreatEtng fuel facilities Air 79-09 Spill of Radioactively 3/30/79 All power reactor Contaminated Resin facilities with an OL 79-10 Nonconforming Pipe 4/16/79 All power reactor Support Struts facilities with a CP 2379 0^0
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