|
|
| Line 1: |
Line 1: |
| {{Adams
| | #REDIRECT [[05000368/LER-1980-047-03, /03L-0:on 800703,during Mode 1 Operation,While Making Routine Check of Radiation Monitoring Sys,Containment Atmosphere Radiation Monitor Found Inoperable.Caused by Overload Trip Due to High Room Temp]] |
| | number = ML20003B341
| |
| | issue date = 02/06/1981
| |
| | title = Updated 80-047/03X-1:on 800703,containment Atmosphere Radiation Monitor 2RITS-8271 Found Inoperable.Caused by High Temp Tripping Vacuum Pump Thermal Overload of Monitor. Overload Reset & Monitor Declared Operable
| |
| | author name = Shively C
| |
| | author affiliation = ARKANSAS POWER & LIGHT CO.
| |
| | addressee name =
| |
| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
| |
| | docket = 05000368
| |
| | license number =
| |
| | contact person =
| |
| | document report number = LER-80-047-03X, LER-80-47-3X, NUDOCS 8102100680
| |
| | package number = ML20003B334
| |
| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| |
| | page count = 1
| |
| }}
| |
| {{LER
| |
| | Title = Updated 80-047/03X-1:on 800703,containment Atmosphere Radiation Monitor 2RITS-8271 Found Inoperable.Caused by High Temp Tripping Vacuum Pump Thermal Overload of Monitor. Overload Reset & Monitor Declared Operable
| |
| | Plant =
| |
| | Reporting criterion =
| |
| | Power level =
| |
| | Mode =
| |
| | Docket = 05000368
| |
| | LER year = 1980
| |
| | LER number = 47
| |
| | LER revision = 3
| |
| | Event date =
| |
| | Report date =
| |
| | ENS =
| |
| | abstract =
| |
| }}
| |
| | |
| =text=
| |
| {{#Wiki_filter:r e
| |
| UPDATE REPORT - PREVIOUS REPORT DATE 7/30/80 0
| |
| NRC FORM 366 U. S. NUCL E AR REGUtATORY COMMiLSION (7 77)
| |
| LICENSEE EVENT REPORT EXHIBIT A CouTROLstOCo l l l l l 1 I@
| |
| <rtEASE eRisT OR Tvet Att REOuiREO iu,ORuATiOut l Al R l A l Nj o l 2 lgl50j0 l-l0 l0l 0l 0l0l-l0[0 l g l1 l1l1 l1lgl l ;g o i 9
| |
| LICEN$tt CODE se 1
| |
| LtCENSE NUMBER 25 26 LICtNst sv,4 JG 57 Carte 7
| |
| 8 CON'T 70l31810l@l0l2l016l8l1l@'
| |
| % "' Mio 15 p 10101316 l 8)@l01 1
| |
| o i 3
| |
| 8 60 El oOCK E r ~bMS E.
| |
| e4 69 Evf Nr DArE 74 FS
| |
| #tF,oH r D A rt 80 EVENT DESCRIPTION AND PRO 9AOLE CONSEQUENCES h Io 121 IDuring Mode 1 coeration. whilo maleinn a routine check of the Plant 1
| |
| i adiation Monitoring System (RMS), the Containment Atmosphere Radiation i
| |
| R ioi3; 101 1IMonitor. 2RITS-8271._was found to be inonerablo.
| |
| The Containment sumn I
| |
| in isi llevel and Containment Building Area Monitors remaine_d coerable.
| |
| No I
| |
| isimilar occurrences.
| |
| Other RMS occurrences were LER's 50-368/79-057, i
| |
| o s 1 o 111 179-067, 80-043 and 80-046.
| |
| ReDortable oer T.S. 6.9.1.9.b.
| |
| I o e i I
| |
| 'ES's"
| |
| 'c'c%i s'sciot
| |
| ^
| |
| u'O*,L
| |
| : MU2, tou o~tur i.out 18 lA l@ L,B_J@ L,,C_J@ ! II N I SlT I RIU l@ L..Tj@ ll_J @
| |
| Io191 9
| |
| m o
| |
| ~
| |
| tin Evi~fvfAR mf,OR r PJO C E Tv k
| |
| @,q'g.no 1 810i L--J I 0141 71 M
| |
| i 013 i L_x_)
| |
| L_j
| |
| [_1_j
| |
| _, 21 JJ 23 24 20 27 29 71 Jo 31 31 [ACTuntR r EN A 1
| |
| ,LA r M T HOv s S eMer 8aa h
| |
| su,,t e uAN E_J@LZ.J@ iz_J@
| |
| [2_J@
| |
| l 0 I 010101 L11]@
| |
| lY J@
| |
| LA_j@ l W11 l 210 l@
| |
| 3J J4 35 33 eO 41 42_
| |
| 43 es gy CAUSE DESCR.PTION AND CORREC flVE ACTIONS 21 t i i o i l Investigation revealed that the monitor's vacuum pump thermal overload had li lil l trioned due to high ambient room temnerature in the North Pining Ponotrattion i
| |
| gi Room (monitor location).
| |
| The overload was reset & the monitor declared i rqT11 operable. ' Evaluation indicated pipe insulation, packing leak beat loads i ii i. i i & poor cooling air flow were causes. Ventilation system air ducts were i 8,,ggjocated to maximize heat rA"lovg},cqgidag in pukade mm.
| |
| e o scovia, ossen.,rio~ @
| |
| or rasravus U3u isArus s,0.sa oiscov e n, LF_J@ l 015 10 l@l Pwr. Increase l [A_J@l Operator Observation I
| |
| i s
| |
| =
| |
| 'Jriv,r, cari~r
| |
| .uou~r or criviiv @ l tocaro=o,neo.se@_
| |
| acu.sio c o s u As.
| |
| l NA
| |
| [
| |
| [z_] @ LZ_J@l NA i c
| |
| ,ioso
| |
| 'it
| |
| ,osets ei co. r.o~ @
| |
| nuo...
| |
| 10101 Ol@LZ.J@l NA l
| |
| i i
| |
| .so ~ 's',~,u'4 s a
| |
| oisc..no~@
| |
| ~uo.cR li lx i 1010l0 l@l NA l-r B 9 it f2 fl0 W, ' "irc;',%', ''''"" @
| |
| ^
| |
| Lz_J@l NA l
| |
| ' a
| |
| ~
| |
| '"*" 's'c.,,rio, @
| |
| ~Rc usr onty i
| |
| m,3sudeu ei NA i onononi Chris N. Shively N#WHM uAuf Or,RE,AREn
| |
| ,,,oy,
| |
| 2/02/o06to
| |
| }}
| |
| | |
| {{LER-Nav}}
| |