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| {{Adams
| | #REDIRECT [[05000267/LER-1980-047-03, /03X-1:on 800825,during Scheduled Surveillance, Several Hydraulic Snubbers Found Inoperable.Caused by Improperly Adjusted Spring Hangers.Snubbers Repaired, Readjusted & Replaced]] |
| | number = ML19347A950
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| | issue date = 09/24/1980
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| | title = /03L-0:on 800825,several Hydraulic Snubbers Were Found Inoperable.Caused by Improper Hot Position Adjustment on Constant Support Hangers.Snubbers Repaired or Readjusted
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| | author name = Gibson J
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| | author affiliation = PUBLIC SERVICE CO. OF COLORADO
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
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| | docket = 05000267
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| | license number =
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| | contact person =
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| | document report number = LER-80-047-03L, LER-80-47-3L, NUDOCS 8009300563
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| | package number = ML19347A942
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| {{LER
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| | Title = /03L-0:on 800825,several Hydraulic Snubbers Were Found Inoperable.Caused by Improper Hot Position Adjustment on Constant Support Hangers.Snubbers Repaired or Readjusted
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000267
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| | LER year = 1980
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| | LER number = 47
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| =text=
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| {{#Wiki_filter:._
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| O NRC FO~M 384 U. S. NUCLEAO RESULATCRY COMMISSION (7 77) 1.lCENSEE EVENT REPORT l
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| CONTROL 8 LOCK: l l
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| l l
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| l l
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| (PLEASE PRINT OR TYPE. ALL REQUIRED INFORMATION)
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| Io I t l l Cl 0l Fl Sl Vl 1l@is 0 l 0 l -l 0 l 0 l 0 l 0 l 0 l - l O l 0
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| @l 4 l 1 l 1 l 2 l 01@l l
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| 7 s 9 vCENsEE COoE i4 uCEssENvM8ER 2n 2e ciCENst TvPE 40 l
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| 7 8
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| 60 81 DOCKET NUM8ER 68 69 EVENT OATE 74
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| /s REPORT CATE 80 EVENT OESCRIPTION ANO PROSA8LE CONSEQUENCES h I o i 2 I l On August 25. 1980, while operating at 50% thermal never and t50 W electrical cover. I l o l a i i a scheduled surveillance showed several hydraulic snubbers to be inoperable. ''Nine of I l o 141 l these snubbers could not be repaired in the 72 hour period allowed by LCO 4.3.10, and l l o i s i I a 36 hour orderly shutdown period was entered. This caused the plant to begin a l
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| l o l6 l l Scheduled maintenance period one day early. No affect on public health or safety.
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| I o I 7 I l Shutdown reouired by LCO 4.3.10." D.eportable oer Fort St. Vrain Teebnical Specifica-l l o i a i i tion AC 7.5.2(b)2.
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| I SE'E
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| "#"$t sNCO$E Su8 C0 COMPONENT CODE
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| Su E
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| [TlT]
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| l Hl Bl@ [Bj@ l A l@ l S l U ; P l 0 lR lT lh l Dl@ J @
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| 4 9
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| 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION REPORT No.
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| CCCE TYPE No.
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| LER Ro E
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| l VENT YEAR l-l l0l4l7l l/l l0 l3 l lL l l-l W
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| @ag 8l0l 21 22 23 24 26 27 28 29 30 31 32 N AC ON oP NT M
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| MouR$
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| $8 t PoR 8.
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| $UP La MANuP C RER lsl@lsl@
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| 22 24
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| :s se 3
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| 40 4i_
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| 42 42 4A 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l i l o l l Investigation of the problem revealed the ennstant sucoort hanu rs (sorine haneers)
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| I l i li i l vere not properly adjusted for the hot position: These hangers were not carrving the I
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| ,,,7, l appropriate loads in the hot positions. The affected~ snubbers were repaired or re-l g l adjusted as required and the plant was shutdown in accordance with the requirements l
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| gof LCO 4.3.10.
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| Snubber repair was completed during scheduled maintenance shutdown 1
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| 7 a,perloo.
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| surveillance interval ad ted to 31 days.
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| 80
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| 'sTDN
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| % POWER oTHER STATUS 31 Y
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| OISCOVERY DESCRIPTICN li is i LEJ@ l o I 5 I o l@l N/A I
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| I 8 l@l aoutine scheduted surveittsnee Test i
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| ACTIVITY CO TENT RELE Asto Op mELEASE A.JOUNT OP ACTtVITY LOCATION OP RELEASE W W @ [Z_]gl N/A l
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| l N/A l
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| 7 4 9 to is 44 45 40 PER$oNNEL EXPOSURES NUM8ER TYPE DESCRIPTio4 y l 0] 0l 0l@ J @ l N/A l
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| PERsoNNE'L iNau'd.Es
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| ;EsCRiPTioN@
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| Nuv8ER l0l0l0l@l N/A l
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| i a 7
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| 8 9 11 12 80 LOSS OP oR OAMA JE To FACILITY TYPE DESCR PTION I
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| * I 9 I Lz_l@LN/A I
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| 80 7
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| 8 9 to
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| :- f NRC usE cNtY 8009300 PutuciT-m LNJ@oE4CRiPTioN Mg l
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| lllllllIllIll:*
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| issuto r
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| lN/A 303) 785-2253 N
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| PHONE:
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| NAME OF PREPARER
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| }}
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| {{LER-Nav}}
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