ML18043A658
| ML18043A658 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 05/07/1979 |
| From: | Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML18043A659 | List: |
| References | |
| NUDOCS 7905100249 | |
| Download: ML18043A658 (2) | |
Text
consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201
- Area Code 517 788-0550 May 7, 1979 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALIS ADES PLANT - LICENSEE EVENT REPORT 79 Revision 1 On the reverse side is Revision 1 to Licensee Event Report 79-09 which was reportable under Technical Specification 6. 9. 2. a. (9).
David P Hoffman (Signed)
David P Hoffman Assistant Nuclear Licensing Administrator CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement
UPDATE :REPORT: *.,.. .~
PREVIOUS REPORT DATE - 03/06/79 PALISADES NRC FORM366 U.S. NUCLEAR REGULATORY COMMISSION (7*77)
LICENSEE EVENT REPORT CONTROL BLOCK: I 1G) (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6
[£LJ IMIIIPI PJLlllG)IOI 0101010101010101010101411111111101 I 10 7 B 9 LICENSEE COOE 14 ,5 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T
[£:E1 ~;~~~! UJ©IO I 5 I oI 01 o I 21 5 I 51(?)1 o I 212 I o 17 19 l@IO I 5 IO I 7 I 71 91@
7 B 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE BO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@
!During a design review of the containment building purge valves, i t was
[)))) I determined that the 48-inch and 12-inch butterfly valves may not close
~
1against a dp of greater than 2 psid or 1. 75 psid, re_specti vely. As a
[)))) I result, the valves may not be capable of closing under all postulated
[§))] 1accident conditions. (The containment isolation signal occurs at 5.0 psig~t
~!Event reportable per TS 6.9.2.a.(9). This event had no adverse effect
[§))] 1upon the public health or safety. I 7 B 9 BO SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE
[ill] ISi Al@ L!J@ L.!J@ IVIAIL1V1E1x1e w@ uu@
7 B 9 10 11 12 13 1B 19 20
- SEQUENTIAL OCCURRENCE REPORT REVISION LE R/RO CV7ENT Y9EAR ROEPOROT N09. CODE TYPE NO.
@ REPORT I I I NUMBER 21 22 I I 23 I I I I 24 26 I .....-1 27 I0 I 1 I 28 29 L!J 30 I I 31 UJ 32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS SUBMITTED FORM SUB. SUPPLIER MANUFACTURER l.!.J@~@) ~@ ~@ 1010101 jOl!J@ L!J@ ~@) !F1112j51@
33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @
rr::m !The purchase specifications for these valves (Fisher-Continental Model 1JJJ] 19220 48-inch and 12-inch butterfly valves) did not include requirements
[)))) 1for closing against pressure. Administrative controls will be used to OJ)) I maintain the valves closed whenever PCS temperature is greater than 210 1JJ)) !degrees F.
1 a 9 so FAC! LITY 13()\ METHOD OF ~
STATUS % POWER OTHER STATUS ~ DISCOVERY DISCOVERY DESCRIPTION ~
[ill] l..!J@ I ll 0 I 0 l@)i....;IN;_:../_A_ _ _ _~ l12J@I Notification from vendor a 9 10 12 13 44 45 46 80 ACTIVITY CONTENT ~
RELEASED OF RELEASE AMOUNT OF ACTIVITY ~ LOCATION OF RELEASE
~ LzJ @ lzJ(§IN /A I NIA 7 B 9 10 11 44 45 BO PERSONNEL EXPOSURES r.:;;:.,
NUMBER ~TYPE DESCRIPTION ITJ2]
7 B 9 Io I al o11llliJ@!'::-"-'N::.....:;A=-----------------------....J 12 13 BO PERSONNEL INJURIES ~
NUMBER DESCR)PTION~
~IOI 0101@)!-::--N-tA_____________________________________________- - J 7 B 9 11 12 BO LOSS O* OR DAMAGE TO FACILITY f.G\
TYPE DESCRIPTION '.:::;/
~ ~@)~N~/~A-----------------------------_J 7 B 9 10 80 PUBLICITY Q., NRC USE ONLY ISS!.J.EDr,;::;\ DESCRIP')ION ~
r:TI:2] L!!j~...__N_t_A ______________________________________ __J II II II IIII I I I 7 8 9 10 GB 69 BO
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