ML20084S578
| ML20084S578 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 08/26/1976 |
| From: | Donna Anderson, Kalivianakis N COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 3LSFYY, NJK-76-296, RO-50-254-76-24, NUDOCS 8306170117 | |
| Download: ML20084S578 (2) | |
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Co zith Edis n Ouad-Cities Nuclear Power Station
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Post Office Box 216 i
Cordova, Illinois 61242 Telephone 309/654-2241 NJ K-76-296 DlLE COPY August 26, 1976 J. Keppler, Regional Director Office of Inspection and Enforcement Region ill U. S. Nuclear Regulatory Commission 799 Rossevelt Road Glen Ellyn, Illinois 60137
Reference:
Quad-Cities Nuclear Power Station Docket No. 50-254, DPR-29, Unit 1 Appendix A, Sections 3.7.A.3.a. &
6.6.B.2.a Enclosed please find Reportable Occurrence Report No. 50-254/76-24 for quad-Cities Nuclear Power Station.
This report is submitted to you in accordance with the requirements of Technical Specification 6.6.B.2.
Very truly yours, COMMONWEALTH EDISON COMPANY QUAD-CITIES NUCLEA.R, POWER STATION
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flidh N. J. Kalivianakis Station Superintendent l
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$NSEE EVENT REPORT g CONTROL BLOCK:l l
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l (pLEASE PRINT ALL REQUIRED INFORMATION)
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AME LCENSE NUMBER PE TYPE 01 li lt IQl Al DI1l l 0l0 l-l0 l 0 l 0 l 0 l 0l-l0 l0 l l4l1 l1l1l1l l 0l 3l 7 89 14 15 25 26 30 31 32 CATECORY T
U OCCKET NUMBER EVENT CATE REPORT CATE D 1 CONT l l
l lL l l0 l5 l0 l-l 0 l 2 l 5 l 4 [
lo l7 l2 l7 l7 l 61 l0 l8 l2 l6 l716 l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION HE lOn July 27. 1976, while performing quarterly surveillance on the Reactor Building l
7 89 60 EE I to suppression chamber vacuum breaker pressure switches. pressure switch PS-1-16228 l
7 89 80 EE l tripped at 0.536 psid which exceeded the Technical Specification limit of 0.5 psid.
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7 89 80 32 l Safety implications were minimal since the PS-1-1622A switch was within the limits.
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89 gg l The switch was recalibrated and functionally tested safisfactorily (R0 50-254/76-24) 80; l
7 89 80 pwE C OE CCCE COMPONENT COCE SUPPUER R
VOLATON 35 l S lH l W l 1 l N l S lT l R l U l lAl l S l 3 l 8l 2l lN l 7 89 10 11 12 17 43 44 47 48 CAUSE OESCRIPTION
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SE l The designated cause of this occurrence is instrument setpoint drift. Corrective l
7 89 80 SE l action is deemed adequate to prevent recurrence. Switch is a static "0" ring, Model l
7 89 80 DE l number 12R2KK815-V, range + 20 psi.
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STA S
% POWER OTHER STATUS OrSCOVERY OISCOVERY OESCRIPTON y
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l NA l ]
l NA l
1 7 8 9
10 12 13 44 45 48 80 ACTMTY CONTENT MELEASED OF RELEASE l NA l
l NA l
AMOUNT OF ACTMTY LOCATON OF RELEASE
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7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE CESCRIPTON DE l lN l Al y l NA l
7 89 11 12 13 80 PERSONNEL INJURIES NUMBER OESCRIPTON
(( l lN l Al l
NA l
7 89 11 12 80 OFFSITE CONSEQUENCES 32 l NA l
7 89 80 LOSS OR DAMAGE TO FACIUTY TYPE DESCRIPTON 3E y l NA l
7 89 10 80 PUBLICITY lm l NA l
l 7 89 80 l
ADDITIONAL FACTORS DE I I
7 89 80 l
l DE I l
nald R. Anderson NAME:
PHONE:
GPO 889 64T