ML19225C750

From kanterella
Jump to navigation Jump to search
Forwards IE Bulletin 79-14,Revision 1, Seismic Analysis for As-Built Safety-Related Piping Sys
ML19225C750
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 07/18/1979
From: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Koester G
KANSAS GAS & ELECTRIC CO.
References
NUDOCS 7908020396
Download: ML19225C750 (1)


Text

Pj/:

o a r,,.,

.t g

UNIT ED STATES

/

fi NUCLE 4 R R EGU L ATOR Y CO'.1',11SSION

. p, f, ( ;sU REGION IV

's, 4 j.f' 5 *1 G11 RY A?J PL AZ A DRtV E. SUITE 1000 AR Lla.G To!J. TE x A5 7 3012 July 18, 1979 In Reply

'e fer To:

RIV

.nocket SIh 30-482/IE Bulletin No. 79-14

.,u.

Revision 1 ransas Gas & Electric Co.

Atta:

Mr. Glenn L. Koester Vice President-0perations Post Office Box 203 Wichita, Kansas 67201 Gentlemen:

IE Eulletin 79-14 is revised to limit the scope of work required.

The changes are indicated on the enclosed replacement page for the bulletin. If you desire additier.al infor ation regarding this =atter, please contact this office.

Sincerely, y-I

',Lyr J yy / nuQ -

'"L'-}u O

.arl V. Seyfrit Girector

Enclosure:

IE Ealleti., No. 79-14 Revisien 1 cc: w/ enclosures Messrs. '!icholas A.

Petrick, SNUPPS D.

T. i:Phee, i.ansas City Power and Light Co p2ny Gerald Charnoff, Shaw, Pittaan, 'otts & Trcwbridge E. 'a. Creel, Kansas Gas and Electric Cc:pa.ny in

( Le 790802 039 6 4c-b3)

.) f 3

IE Eulletin No. 79-14 Pevision 1 Date: July 18, 1979 Page 2 of 3 Actica to be taken by Licensees and Permit Holders:

All power reactor facility licensees and construction permit holders are requested to verif7, unless verified to an equivalent degree within the last 12 ::sths, that the seismic analysis applies to the actual configura-tion of safety-related piping systems.

The safety-related piping includes Seismic Category I systecs as defined by Regulatory Guide 1.29, " Seismic Design Classification," Revisica 1, dated August 1,1973 or as defined in the applicable FSAR.

The action items th+t follow apply to all safetv-related pip'n; 2-1/2-inches in diameter and greater and to seismic Categcry I piping, regsrdless of size "hien was dynamically analized by eccouter.

For older plants, wcere Seiscic Category I requirements did not exi.t at the tiae of licensing, it must be shown that the actual configuratica of fd/// safety-related systems, 2tilizing piping 2-1/2 inches in diameter and greater, neets design require-cents.

Specifically, each licensee is requested to:

1.

Idertify inspection elements to be u;ed in verifying that the ;eismic analysis input inf arcation conforms to the actual configuratica of safety-related systems. Fot each safety-related systan, submit a list of design cocuments, including title, identification number, revision, and date, which were sources of input information for the seismic analyses. Also submit a description of the seismic analy;is input information which is contained in each document.

Identify systems or portions of systems which are pla-aad *o be inspe :ted during eacu sequential inspection identified in Items 2 and 3.

Submit all of this information within 30 days of the date of this bulletiu.

2.

Fcr portions of systens which are normally accessible *, inspect one system in each set o' -~""dact systems and al'_ nauredundant systers for

n-formance to the seismic analysis input inf araation set f:rth in design documents, Include in the inspection: pipe run gecretry, support and restraint deriga, locations, function and clearance (including ficar and wall pecetration); ected ents (excluding these covered in IE Eulletin 79-02); pipe attachments and valve and valve operator locations acd weights (excluding those covered in IE Bulletin 79-04).

Within 60 days of the date of this bulletin, sutait a descriptian of the results of this inspection.

Where nonconf ormances are found which affect cperability of any system, the licensee will expedite cocpletion of the inspectica described in Ites 3 E:cr=211, accessible refers to those areas of the plant which can te entered during reretor operation.

'4 "r ~

Q J: //

7 907o 5 0. qr t,,

t "V

< f

~