View source for PNO-III-87-006, on 870109,unit Achieved Initial Criticality. Actual Point of Criticality Consistent W/Point Predicted. Licensee Schedule Calls for Completion of Low Power Testing on 870121

{{Adams
| number = ML20207P251
| issue date = 01/09/1987
| title = PNO-III-87-006:on 870109,unit Achieved Initial Criticality. Actual Point of Criticality Consistent W/Point Predicted. Licensee Schedule Calls for Completion of Low Power Testing on 870121
| author name = Forney W, Warnick R
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION III)
| addressee name = 
| addressee affiliation = 
| docket = 05000455
| license number = 
| contact person = 
| document report number = PNO-III-87-006, PNO-III-87-6, NUDOCS 8701150304
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-III-87-06 Dats January 9,1987 D /hb This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without v:rification or evaluation, and is basically all that is known by the Region III
   -staff on this date.
Facility: Commonwealth Edison Company                 Licensee Emergency Classification:                 t' Byron Unit 2                                     Notification of an Unusual Event Byron, IL 61010                                  Alert Site Area Emergency Docket No. 50-455                                General Emergency X Not Applicable                                   .

==Subject:==
INITIAL CRITICALITY Byron Unit 2 achieved initial criticality at 6:38 a.m. (CST), January 9,1987. The actual point of criticality was consistent with that predicted. The resident inspectors were in the control room observing the approach to criticality.
Tha licensee's schedule calls for low power testing to be completed on January 21, 1987.
The State of Illinois will be notified.
This information is current as of 9 a.m. (CST), January 9, 1987.
CONTACT:
0)orney W.
(? fit)
R. Warnick FTS 388-5590              FTS 388-5575 DISTRIBUTION:
H. St.                      EDO        NRR        E/W               Willste    Mail: ADM:DMB Chairman Zech               PA                      IE               NMSS               D0T:Trans only Comm. Roberts               ELD                   OIA                RES Comm. Asselstine                                  AE0D                         NRC Ops Ctr //),*J7/
Comm. Bernthal Comm. Carr                  SP/8.d          Regional Offices
' ACRS SECY                        INP0 /0l@             NSAC /n,$ 2_
CA                          RIII Resident Officp PDR                         Licensee:     /h /6b              (Corp. Office - Reactor Lic. Only)
Q11go4870109 PNO-III-s7-OO6 PDR                                                    Region III           p g Rev. November 1986     i
                    .   -        - - - -                   - -       - - .          __          .-        .T2. 3'l-
                                                                                                                -.}}

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