View source for TXX-6062, Interim Deficiency Rept CP-86-41 Re Small Break LOCA Mode 4 Operations.Initially Reported on 860528.Westinghouse Owners Group Accepted Program Designed by Analysis Subcommittee to Address Concern.Next Rept Will Be Submitted by 870612

{{Adams
| number = ML20215P007
| issue date = 10/29/1986
| title = Interim Deficiency Rept CP-86-41 Re Small Break LOCA Mode 4 Operations.Initially Reported on 860528.Westinghouse Owners Group Accepted Program Designed by Analysis Subcommittee to Address Concern.Next Rept Will Be Submitted by 870612
| author name = Counsil W
| author affiliation = TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
| addressee name = Johnson E
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION IV)
| docket = 05000445, 05000446
| license number = 
| contact person = 
| document report number = CP-86-41, TXX-6062, NUDOCS 8611100213
| document type = DEFICIENCY REPORTS (PER 10CFR50.55E &amp; PART 21), TEXT-SAFETY REPORT
| page count = 1
}}

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Log # TXX-6062 File # 10110 l                                                                                                         915.6 TEXAS UTILITIES GENERATING COMPANY SKYWAY TOWER e 485 NORTH OLIVE STREET R.B. 91. DALLAS. TEXAS 75398 October 29, 1986 kb
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Mr. Eric H. Johnson, Director i
41986 )b l Division of Reactor Safety and Projects                                                                  -
U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000
: t. - y.                     Arlington, TX 76012 s
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==SUBJECT:==
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446 SMALL BREAK LOCA MODE 4 OPERATIONS SDAR: CP-86-41 (INTERIM REPORT)

==Dear Mr. Johnson:==

                                                                                   ~
On May 28, 1986, we verbally notified your Mr. I. Barnes of a deficiency involving small break LOCA evaluations regarding the effects of the operational status of plant squipment during Mode 4 operations. This is an p          l          interim report of a potentially reportable item under the provisions of
                     ;           10CFR50.55(e). We have submitted interim reports logged TXX-4876 and TXX-4959, dated June 26, 1986, and August 13, 1986, respectively.
                     ~
The Westinghouse Owners Group, of which TUGC0 is a member, accepted a program designed by the WOG Analysis Subcommittee to address this concern at their September, 1986 meeting. The projected schedule outlines an April,1987 completion date. Allowing for a reasonable delay time in distributing the conclusions from the subcommittee to all affected parties, we anticipate submitting our next report on this issue by. June 12, 1987.
                           \
Very truly yours,
                                                                                                         .             ?7'-
W. G. Counsil JCH/mlh
       ;                        c - NRC Region IV (0 + 1 copy)
Director, Inspection & Enforcement (15 copies)
U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Nk'SD S
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