ML20127L226
| ML20127L226 | |
| Person / Time | |
|---|---|
| Site: | Monticello |
| Issue date: | 09/15/1975 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9211230461 | |
| Download: ML20127L226 (1) | |
Text
L
.; c ::.~,
, r n u
- ~,~ r. 7 z :;
- r. v v: :r. n c o.t. W et.n t'
,7,
, eq q ;- *.._i,- g, 1
Muticclio, ti:mesota WM Septaber 15,1WS-Mr.. J'.. G. Ecppler, Director Regiom III Office of Inspecttm and Enforement' Unite:U States Nw1 car Reguistory Ccanissim-7B9 Rooswelt' Road' Glen Bilyn, Illinois-60137.-
Dear Mr. Keppler:
11NfImi.In Nik'*,1IAR QNERATING PLAhTF Docket No.. 50-263 License No.. DPR-22" i
Written correspendence witE your office an. January 16L 1975, discusses.
l reportire of refueling outagc valve leabgo prohlansi As discussed:in that correspondence, penetration.and isointion valwleabge rates which-cxceed the acceptance crittria outlined in Section,4.7.K.2.f of the Technical: Specifications will be reported within 24' hcurs by telephcae.
and: telegrcph to the'Directac, Regi<n III, Office of Inspection and Enfomcmcnt with.a carbca-copy to the. Director,. Div.ision-of Reactor:
Licensing.
A? Licensee Event Rcqxrrt will be sutnittedi to-the Director,..
Divisi(n of. Reactor Licensisg within 10! days following repair of all-leaking valves..
In accordance with these reporting requironents,. notification.is hereby.;
inaic that the foricwing. valves were founi' to.lcak in; excess of the-acceptance criteria for local leak tests specifitxi in Secticm.4'.72.2.f of the Technical Specifications:
Core Spray Testchie Check Valve, A0'14-13A Core Spray Testable Check Valvo, A0;14-1310 Mtin Stems Drain Isointion Valve, FD 237.3-10UI Exhaust Line Check. Valve, HPCI-9:
gaM The. total' testable penetntion and'isointicn valve Icakage rate acceptance criteria-specified; by Tecinical. Specification 4'.7 A.2.f.(2)(a). was exceeded
&o 88 when the leabge through Core Spray Testablo Check Valve >D 14-133.was;
+0 found to be 153.0<SCFH.,
-:e
$g Yours very t y,,
~
'M C..E..Lar
- 8 Plant Mmager g"
bbaticello Nuclear Generating Pinnt CEL/mma cc:: R S Boyd,.G.Chamoff, Minnesota Polluticn Contr :3 Agency. Pile aten.
p a-p m i.m.
-