ML19224C361

Forwards IE Info Notice 79-14, Safety Classification of Electrical Cable Support Sys

ML19224C361
Person / Time
Site:	Summer
Issue date:	06/11/1979
From:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:	Mary Johnson SOUTH CAROLINA ELECTRIC & GAS CO.
References
NUDOCS 7907020217
Download: ML19224C361 (1)

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'o UNITED STATES I,n NUCLEAR REGULATORY COMMISSION

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101 MARIETT A ST., N.W., SUIT E 310n kh

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AT L ANT A, GEORGI A 30303 JUN 111979 In Reply Refer To:

RII:FJL 50-395 South Carolina Electric and Cas Company ATTN:

M. C. Johnson, Vice President Special Services and Purchasing P. O. Box 764 Columbia, SC 29218 Gentlemen:

This Information Notice is being issued to call to your attention an aspect of the Cocnission'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, tor 3}f3' q g i.. -.e p, g ga 'Q 269 119 79070201{

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UNITED STATES NUCLEAR REGU1ATORT COMMISSION OTTICE OF INSPECIION AND Eh70RCDOTT WASHINGTON, D.C.

20555 June 11,1979 IE Inf orstion Notice Bo. 79-14 EATETT CLASSIFICATION OF ELECTRICAL CAZLE SUFFORT SYST::HS 3ussaary he NRC inspection staff has found that in several cases, facilities under f

construction have not applied the pertinent quality assurance requirements o 10 CTR 50 Appendix B to Ge dasign, procurement, and installation of cabic This notice trays and their support systems for Class IE electrical cables.

is being issued to all applicants for, and bolders of construction permits, to r-ef ssion's regulations on this subject.

remind the:a of the Deacription of Circunstaacest

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In the Ccanission's Regulations for Licensing of Production and Utilization facilitias - 10 CTR Part 50, Criterion 2 of Appendix A, statas 1.

in part that "Structuras, systems and ccuponents im l

i Icss of capability to perfora their safety functions...."

ij The Commission's Regulations on Reactor Bite Criteria, Part 100, Appendix A, define a "saf e shutdown earthquake "

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remain functional during such an earthquaka.

Regulatory cuide 1.29 *Seisnic Design Classifitation" etates in pertinen h

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parts and couponents of a euclear "C.1.

Tbe following atrvctures, ryatas:

power plant, including their foundations and supports (emphasis add are designated as Setsuic Category 1 and should be designed to withs n e pertinent quality the ef fects of the SSE and rec.ain functional.

assurance regirements of Appendix 3 to 10 CTR 50 should be applied to all activities ef fecting the cafety related functions of these structures, t

i systems and ccaponents."

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The Cices II electric a systeza f or the on-site electri DUPLICATE DOCUMENT 26 g

7,9 the energency electric pover...

eviously entered int sy em unde So written response to this informat guestfons regarding the satter, ples AN0_ _ l g

I MRC Regional Of fice.

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