ML19224C349
| ML19224C349 | |
| Person / Time | |
|---|---|
| Site: | Catawba, Perkins, Cherokee  |
| Issue date: | 06/11/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Dail L DUKE POWER CO. |
| References | |
| NUDOCS 7907020198 | |
| Download: ML19224C349 (1) | |
Text
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0 UNITED ST ATES 8'
I NUCLEAR REGUI.ATORY COMMISSION n
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E 101 M ARIETT A ST., N.W., SUITE 3100 o,
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JUN 111979 In Reply Refer To:
RII:FJL 50-413, 50-414 50-491, 50-492 5.0-493, 50-488 v50-489, 50-490
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j Duke Power Company dO
!I ATTN:
L. C. Dail, Vice President O
Design Engineering P. O. Box 33189 Charlotte, UC 28242 Gentl emen:
This Information Notice is being issued to call to your attention an aspect of the Cot =nission's regulations which IE inspectors have found is not always being f ully implemented. No written response is required.
If you have questions regarding this matter, please contact me.
Sincerely, k
_I D
g James P. O'Reilly Director
Enclosure:
IE Information Notice No. 79-14 67 043 7907020/7 7 p
- Duke Power Company cc w/ enc 1:
D. G. Beam, Proje:t Manager Post Office Box 223 Clover, South Carolina 29710 J. T. Moore, Project Manager Post Office Box 422 Gaffney, South Carolina 29340 I
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UNITED STATES
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'f EUCLEAR REGULAIVRY COMMISSION OFFICE OF INSPECIION AND EhTORCDENT g
WASHINGION, D.C.
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June 11, 1979 b
IE Inf ormation Notice No. 79-14 EATEIT CLASSIFICATION OF ELECTRICAL CABLE SUPPORT SYSTEMS Suasaary The NRC inspection staff has fwnd 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 This notice traye and their support syste=s for Class IE electrical cables.
is being issued to all appliennte for, and holders of construction permita, to remind them of the Coexission's regulations on this subject.
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Description of Circumstancess In the Cocaission's Regulations for Licensing of Production and 1.
Utilization Yacilities - 10 CTR Part 50, Criterion 2 of Appendix A, states in part that " Structures, systems and ecnponents important to saf ety l
shall be designed to withstand the af fects of.... earthquakes....without i
loss of capability to perform their saf ety functiona...."
i The Coanission's Regulations on Reactor Site Criteria, Part 100, 2.
Appendix A, define a "saf e shutdown aarthquake," (SSE) and generally identify the structures, systens and ccaponents which are required to remain functional during such an aarthquaka.
Regulatory Guide 1.29 " Seismic Design Classification" states in Fertinent 3.
parts i
The following structures, systens and components of a toclear f
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including their f oundaticus and supports (emphasis added) power plant, are desfEnsted as Seismic Category 1 and should be designed to withstand
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the ef f ects of the SSE and renain functional. The pertinent quality assurance requirements of Appendiz 3 to 10 CFR 50 should be applied to all activities af fecting the safety related functions of these structures, systess and couponents."
j The Class IE electriggggyptythe.,ggary f
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systers for the on-site ele 2 tj }
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the energency electric pove DUPLICATE DOCUMENT l
No written response to this info Entire document praviously entered
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t questions regarding the matter, into system under:
NRC Regtonal Office.
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l No. of pages:
2
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