ML19224C387
| ML19224C387 | |
| Person / Time | |
|---|---|
| Site: | Bailly |
| Issue date: | 06/11/1979 |
| From: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Shorb E NORTHERN INDIANA PUBLIC SERVICE CO. |
| References | |
| NUDOCS 7907020258 | |
| Download: ML19224C387 (1) | |
Text
TIC s** *E Gg UNITED STATES
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NUCLEAR REGULATORY COMMISSION f'
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Docket Nc. 50-367 Northern Indiana Public Service Company ATTN:
Mr. Eugene M. Shorb Senior Vice President 5265 Hohman Avenue Hammond, IN 46325 Gentlemen:
This Information Notice is being issued to call to your attention an aspect of the Commissions's regulations which IE inspectors have found is not always being fully implemented.
No written response is required.
If you have questions regarding this matter, please contact me.
Sincerely, Director
Enclosure:
IE Infornation Notice No. 79-14 cc w/ enc 1:
Central Files Director, NRR/DPM Director, NPJt/ DOR PDR Local PDR NSIC TIC Mr. Dean Hansell, Office of Assistant Attorney General 271 055 700702 0 EST
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U.S. hTCLEAR RECa*LATORY CO.P.ISSION 5-OFFICE OF INSPECTION Ah"o EhTORCEMENT REGION III June 11, 1979 IE Information Notice No. 79-14 SAFLTi CLASSIFICATION OF ELECTRICAL CABLE SUPPORT SYSTEMS Su==ary:
The NRC inspection staff has found that in several cases, facilities under construction have not applied the pertinent quality assurance require =ents of 10 CFR 50, Appendix B to the design, procurement, and instr 11ation of cable trays and their support systems for Class IE electrical cables. This notice is being issued to al.' applicants for, and holders of construction permits, to remind the= of the Co==ission's regulations on this subject.
Des,ription of Circu=ctances:
1.
In the Co==ission's Regulations for Licensing of Production and Utili?ation Facilities - 10 CFR Tart 50, Criterion 2 of Appendix A, states in part that "S t ru ct ure s, syste=s and co=ponents i=portant to safety shall be designed to withstand tha effects of.... earthquakes....without loss cf capability to perfor= then safety functions...."
2.
The Cc==ission's negule*1ons en Reactor Site Criteria, Part 100, Appendix A, define a " safe shutdown earthquake," (SSE) and generally identify the structures, systu and cot:ponents which are required to re=ain functional during such an earthquake.
3.
. Regulatory Guide 1.29 " Seismic Design Classification" states in },ertinent part:
"C.I.
The following structures, syster, and components of a nuclear power plant, including their foundations and supports (emphasis added) are designated as Seismic Category 1 and should be desig,ned to withstand the e"ects of the SSE and re=ain functional. The pertinent quality assurance require =ents of Appendix B to 10 CFR 50 should be applied to all activities affecting the safety related functions of these structures, systems and competent s.
"C1.q.
The Class II electric systems, Inc.
ing the muni11ary2 71 0 5 6' syste=s for the on-site electric power supplies, that provide the e=ergency electric power..."
No written response to this information ou have cuestions regarding the matter, please NkC Regional Office.
DUPLICATE DOCUMENT Entire document previous 1y entered Attach =ent: List of IE Information nto system under:
Notices Issued in 1979
^"R 7fCG,2907m No of pages:_
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