ML20084S564
| ML20084S564 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 10/04/1976 |
| From: | Gerner L, Kalivianakis N COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NJK-76-368, RO-50-254-76-25, NUDOCS 8306170112 | |
| Download: ML20084S564 (2) | |
Text
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- lth Edison ua acle r Power Station m.
Cordova. Ilknois 61242 Telephone 300/654-2241 mFUE COF
. -Q NJ K-76-368
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.1, October 4, 1976 g
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s aN J. Keppler, Regional Director s
Office of Inspection and Enforcement N.
Region ill U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 References 1) quad-Cities Nuclear Power Station Docket No. 50-254, DPR-29, Unit 1 Appendix A, Sections 3.7.A.2 and 6.6.B.I.c
- 2) Reportable Occurrence Report RO 50-254/76-25 Enclosed please find a Supplernental Report for RO 50-254/76-25 for quad-Cities Nuclear Power Station. This occurrence was previously reported by our letter NJK-76-300 dated August 12, 1976.
Very truly yours, COMMONWEALTH EDISON COMPANY QUAD-CITIES NUCLEAR POWER STATION
' W N. J. Kalivianakis Station Superintendent l
NJK/LFG/1k bei cc:
G.A. Abre11 Ohh54 OCT 18 1976 O
w UP6 ATE REPORT LICENSEE EVENT T
.PREVI0US REPORT DATE 8 CONTROL BLOCK:l l
l l
l l
l (Pt. EASE PRINT ALL REQUIRE 31NFORMATION) '
1 8
AME UCENSE NUMBER PE TYPE 01 ll lL lQl Al Dl 1l l 0l 0l-l 0 l 0l 0l 0l 0l-l0 l0 l l4l1l1l1l1l l 0l 1l 7 89 14 15 25 26 30 31 32 CATEGORY TV S)
DOCKET NUMBER FVENT DATE REPORT DATE O 1 CON'T l l
l
[T_l y l015 l o l-l 012 l 5l 41 l017121917161 l1 lo lo 14 17 16l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION gg l Electrical nitrogen vaporizers have been installed on the Nitrogen Make-up system, l
7 89 80 35 l and are currently in operation. This should prevent. future recurrences of this type. l 7 89 Bn EE l These units have " cold" valves downstream of the vaoorizers. which are desianed to l
7 89 80 DE l Isolate on a given low temperature, thereby preventing non-vaporized nitrogen from l
7 89 80 DG l entering the nitrogen makeup system. A modification has been initiated to install l
7 89 80 pnug DE CODE COMPONENT CODE SUPPUER M
VOLATON EE l SI El [Ej l P l l l Pl El Xl X l W
l Gl 2l 5l 7I L N_j 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION HE I
~
l 7 89 80 EE I I
7 89 80 DE I I
FACluTy METHOO OF STATUS
% POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTON y
l 0l 8l 8l l NA l
(_BJ l Preparation for containment de-Inert ln 1
7 8 9
10 12 13 44 45 48 80 ACTMTV COATENT RELEASED OF RELEASE l AMOUNT OF ACTMTY LOCATON OF RELEASE Q
NA l
l NA l
35 y
7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON DE I IN l Al
[_j l
NA l
7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTON 3[ l lN l Al l
NA l
7 89 11 12 80 OFFSITE CONSEGUENCES X
l-NA l,
7 89 80 LOSS OR OAMAGE TO FA;ruTY TYPE DESCRIPTON D2 [_Z_j l
NA 7 89 10 80 PUBUCTTY BE I NA l
7 89 80 AOOITIONAL FACTORS D@ l (EVENT DESCRIPTION CONT) this same type of valve downstream of the steam vaporizer to l 7 89 80 DE l the nitrogen purge system.
(R0 50-254/76-25) l 7 89 80 NAME:
Lawrence F. Gerner 309-654-2241 ext. 157 PHONE:
sPo ees.eer