ML20084D163
| ML20084D163 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 02/27/1971 |
| From: | Hoyt H COMMONWEALTH EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084D105 | List: |
| References | |
| 11189, NUDOCS 8304080484 | |
| Download: ML20084D163 (1) | |
Text
i WM 6 Teley rarm tuestern union 1
i
=SPFi28 SSA038 DE LLE0f 6 XRTf0iG TG CONG NL PD AXN AURO
ILL.=
- FEB N7y=
REG 1ON #3 UNITED STATES ATOMI'C ENERGY COMM.
c/ '
799 ROOSEVEL'T r.=RD GLEN ELLY,N ILL60537y=
- D PR-19 DESDEN NUCLE AR POWER STATION #5 TlilS WILL Ap CONFlRM CONVERSATI ONy= 0050 Tlil S DATE WI Tli liUGH DANCE REG ARDTNG A COND.I.T<l.ON AT Ti1E y= STAT;I;0N Wiill;Cl1 COULD H AVE PREVENTED TliE OPERATl ON OF THE LPC.I s=SY, STEM DUR.! NG THE LOSS OF OFFESlI TE POWER TEST FROM APPROX.lM ATECY s:
=f 00 PERCENT POWER [ TliE NORMAL THROWOVER OF B I
AND 29-7.=TO BUS 28 DlDNTT PERFORM AS DE SI:GNED. TliE FEED WU 1701 (R S-691 FROM BUS 29.=PROPERiiY, OPENED ON UNDERVOLTAGE. BUT THE FEED FROM BUS 28 DlD y=NOT CLOSE DUE TO A BLOWN OPER ATING FEED FUSE TO ONE OF Ti1E s=CONTACTORS Tli! S OPER ATING I
FEED WAS NOTED TO BE NORMAL BEFORE y=TliAT START OF TEST
!THE FEED TO THE ABOVE BUSYS WAS RESTORED Tile UNDER$ VOLTAGE TRlI'P. DUR'I'NG THl'S TIME. Ti1E y=12PC'l; gg V ALVES WOULD NOT H AVE OPER ATED AUTOM_ATI CL'( J.F TiiE Y, li AD v:
hg' =BEEN REQUll' RED TO DO S0. liOWEVER THERE WAS NO l1lNT.T.I'ATf E!
0F r.=THE LPCl~ LOGIC DURI'NG THE PERTOD OF TliE TEST AND h5 TliEREFORE.-=T11E LPCI SYSTEM WAS NOT CALLED UPON TO OPER ATEy=
88 11 K liOY,T. SUP. DRE SDEN NUCLE AR P0WER STATI 0N.y=v=
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