05000334/LER-1980-008-01, /01T-0:on 800225,review Conducted of as-built Configuration of Cable Trays & Conduits Attached to Underside of Cable Lateral Earthquake Components.Potential Overstress Condition Found.Cause Unknown: Difference between revisions

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{{Adams
#REDIRECT [[05000334/LER-1980-008-01, /01T-1:on 800225,during in-plant Insp,Potential Overstress Condition of Cable Spreading Room Floor Indicated Due to Postulated Seismic Loading.Caused by Utilizing Underside of Floor to Higher Degree than Original Design]]
| number = ML19344D294
| issue date = 03/04/1980
| title = /01T-0:on 800225,review Conducted of as-built Configuration of Cable Trays & Conduits Attached to Underside of Cable Lateral Earthquake Components.Potential Overstress Condition Found.Cause Unknown
| author name = Werling J
| author affiliation = DUQUESNE LIGHT CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
| docket = 05000334
| license number =
| contact person =
| document report number = LER-80-008-01T, LER-80-8-1T, NUDOCS 8003110641
| package number = ML19344D281
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 2
}}
{{LER
| Title = /01T-0:on 800225,review Conducted of as-built Configuration of Cable Trays & Conduits Attached to Underside of Cable Lateral Earthquake Components.Potential Overstress Condition Found.Cause Unknown
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000334
| LER year = 1980
| LER number = 8
| LER revision = 1
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
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(PLE Asc enlNT OH TYPC ALL REQUIRED INFoHMATION)
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EVE'4T CESCRIPfl0'J A 0PROSA C
ENCES g. ' Iliased on in-plant inspections, a review has been conducted on the as-built l
g ] confinuration of enhle trays and conduits that are attached to the underside of the l
1,14l l cable spreading floor at elevation 725 ft.
Due to the light design of the floor l
lo isi l beans, there has been indicated a potential overstress condition. The overstress l
l o le 1 I is due to postulated earthquake loadine. The floor support system has been checked l l o ( 7 l l for the normal dead load, live load, and vertical earthquake components have been
[
ga p il determined satisfactory. l9teral carthquake components are (continued on attached)I 5C
~7 8 9 SYSTEM
 
==CAUSE==
CALSE COVP.
VAL % E CODE CODE SUSCODE COYPONENT CODE SveCODE
$U8 CODE lot 91 I ZI 21@ IB l@ l^ l@ l ZI ZI ZI ZI ZI Zl@ IZ l@ l Z i@
7 8
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$EQuf N TI A L OCCURRENCE REPORT REVISION LER R EVENTVEAR REPQRT NO.
CODE TvPE NO.
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21
;J 2J 24
.o 27
;3 23.
JJ Ji J2 E'I AffNN C[ PLANT
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40 46 42 43 44 47 CAUSE DESCRIPTICN AND CORRECTIVE ACTIONS 1 i i o l l The cause of this problem is not known at present. Since the plant is shutdown l
m 1 due to the refueling outace, we considered it necessary to check the adequacy of 1
U,,J1] I the steel beams for the OBE conditions.
l iilii l i
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80 7
8 7 Or5CovfRY DESCRIPTION h ST S
*. PCW E R QTwtR STATUS iSCO Av E y@ l 010l 0l@l N/A l
l D l@l Notification from A/E l
A!TiviTY CoMTENT AvouNT cP ACTiviTv h l LOCATION or RELE ASE @
et.fasto y aELEast N/A l
N/A l
li 16 l [1j @ L;;j@l 7
4 3 IJ tt
,14 45 80 PERSONNEL Exposunts i
NUv9ER TYPE DESCR89TiCN a
i li l 71 10 l O l o l@l Z l@l N/A l
. Ens: Na'iN,J!.a ESCRipficNh l
Nuvso l
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't 12 80 8003 0
D/
LC55 0F CA OAvaGE TO FActLify 43 T*PE CE 5cnif fieN I:l@l N/A 7[
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NRC USE ONLY i!$vt0 DE0CRIPflON 1Nl l
N/A
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4 3
:q J. A. h*erling 412-643-1258
{
NAVE OF PntPARER PHONE
 
Attachment To I.ER 80-03/OlT I
Ileaver Valley Power Station Duquesne 1.ly,ht Company I
Docket No. 50-334 e
I Event Description And l'robable Consequencesi the cause of the local overstress condition.
{
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9
}}
 
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