ML19224C682
| ML19224C682 | |
| Person / Time | |
|---|---|
| Site: | Catawba, Perkins, Cherokee  |
| Issue date: | 06/07/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Dail L DUKE POWER CO. |
| References | |
| NUDOCS 7907060048 | |
| Download: ML19224C682 (2) | |
Text
{{#Wiki_filter:a pa nico 'o UNITED ST ATES + ' /g[, 'n NUCLEAR REGULATORY COMMISSION E' E REGION il i o, k ;t -.f 101 M ARIE TT A ST., N.W., SUITE 3100 7,_ %4. AT LANT A, G EoRG I A 30303 'g j' JUN 7 1979 In Reply Refer To: RII:JP0 50-413, 50-414 50-488, 50_489 50-490,.150-491N G0:492. 50-493 Duke Power Company Attn: L. C. Dail, Vice President Design Engineering P. O. Box 33189 Charlotte, North Carolina 28242 Gentlemen: This Information Notice is provided as an early notification of a possibly significant matter. It is expected that recipients will review the infor-mation for possible applicability to their facilities. No specific action or response is requested at this time. If further NRC evaluations so indicate, an IE Circular, Bulletin, or NRR Generic Letter will be issued to reco==end or request specific licensee actions. If you have questions regarding the matter, please contact the Director of the appropriate NRC Regional Office. Sincerely. e M James P. O'Reilly Director
Enclosures:
1. IE Information Notice No. 79-15 2. List of IE Informati'n o Notices Issued in 1979 n !, / -^ q go7 06 0 C-{jc 6
JUN 7 1979 . Duke Power Company cc w/ encl: D. G. Beam, Project Manager Post Office Box 223 Clover, South olina 29710 J. T. Moore, Project Manager Post Office Bcx 47' 29340 Gaffney, South Carclina 9 t \\ i !lI 't r
UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C. 20555 June 7, 1979 IE Information Notice No. 79-15 EFICIENT PROCEDUPIS Suc=ary 1, while observing conditions On June 2, 1979, at Arkansas Nuclear One - Unit in the control room, an NRC inspector discovered an operational deficiency that could have resulted in the emergency feedwater system remaining isolated during subsequent power operation. Description of Circumstances On June 2 while Arkansas '.uclear One - Unit I vac, preparing for startup, an NRC inspector in the control room found that during a surveillance test of the main feedwater check valves, the controls of the emergency feed-auto =atically water system were positioned so that the system could not respond if needed. The NRC inspector found that the test procedure being include, as it should have, instruc-used by the licensed operators did not tions either to bypass the emergency feedwater system or to return it to The plant operators, without approved procedures covering this normal. aspect of the test, bypassed the controls that would have started the Lacking a procedural requirement to re-feedwater system automatically. turn the system to normal, there was no assurance that emergency feedwater would be provided automatically if needed. the NRC required that operators Following the Three Mile Island accident, be trained to initiate pro:ptly the e=srgency feedwater system manually if it does not come on autocatically. Thus, while no ic=ediate safety hazard existed at the Arkansas Unit 1 plant because of the improper netion, the NRC staff is concerned about the poiential safety hazard of leaving the emergency feedwater system in the bypassed condition, about the possibility the Arkansas plant may be deficient and about that other procedures at the fact that the operators deviated from procedures in perforcing the surveillance test. to cold shutdown. Arkansas Power and Ligi.; Company has returned the plantfor a cold shutdown The June 2,1979, NRC Order confirmed the requirecent until the Commission staf f is satisfied with the utility's cethod of con-trolling the development of. m,f-7 p wiur g g~ adgqyuaev of existing " ~ procedures, and until there DUPLICATE DOCUMENT frc those procedures. Entire document previously entered into system under: h h [ ANO [b q 3 No. of pages: ) r .}}