05000267/LER-1981-051-03, /03L-0:on 810721,Class I Snubbers Removed from Svc for Structural Mods W/Plant Operating at Power.Caused by Seismic Restraint Analysis Program.Snubbers Returned to Svc Following Mods

/03L-0:on 810721,Class I Snubbers Removed from Svc for Structural Mods W/Plant Operating at Power.Caused by Seismic Restraint Analysis Program.Snubbers Returned to Svc Following Mods

ML20010G337
Person / Time
Site:	Fort Saint Vrain
Issue date:	08/20/1981
From:	Mcbride M PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20010G327	List: 05000267/LER-1981-051, Forwards LER 81-051/03L-0.Detailed Event Analysis Encl 05000267/LER-1981-051-03, /03L-0:on 810721,Class I Snubbers Removed from Svc for Structural Mods W/Plant Operating at Power.Caused by Seismic Restraint Analysis Program.Snubbers Returned to Svc Following Mods
References
LER-81-051-03L, LER-81-51-3L, NUDOCS 8109150598
Download: ML20010G337 (1)

LER-1981-051, /03L-0:on 810721,Class I Snubbers Removed from Svc for Structural Mods W/Plant Operating at Power.Caused by Seismic Restraint Analysis Program.Snubbers Returned to Svc Following Mods

Event date:
Report date:
2671981051R03 - NRC Website

text

_...

U. S. NU': LEAR REGULATCRY CGMMISSION NRO FORM 366 (7 77).

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) i e

lo lil Ic 10 I r IS Iv 11 l@lo lo I-lo lo lo lo lo I-lo lo l@l4 11 11 12 lo l@l l

l@

7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE J0 57 CAT 58 CON'T lolil

<$RCE lL @ lo 15 !o l0 10 12 l6 l7 hlo1712 Il 18 li @l ol 8l 2l ol 8l 1]@

7 8

60 61 DOCKET NUMBER tid 69 EVENT DATE 74 75 REPORT DATE 80 EVENT OESCRIPTION AND PROBA8LE CONSEQUENCES h I o l 21 l on four separate occasions. Class I snubbers w. re removed f rom service for structural I lo tal i modifications with the plant operating at power. This is a degraded mode of l

l o 14 l l LCO 4. 3.10 and is reportable per Fort S t. Vrain Technical Specification AC 7.5.2(b)2. l jol3l l No accompanying occurrence. No effect on public health or safety.

Similar report l

lo is l l RO 81-o26.

l l0}7ll i

l 10181l 20 7

8 9 SYSTEM

CAUSE

CAUSE COMP.

VALNE CODE CODE SUSCODE CO**PONM.T CODE SUSCODE SU8 CODE foTTl i A l D lh [X_jh I Zlh l S l qjll o l R l T lh l B lh d h 7

8 9

10 11 12 13 18 19 20 SEOUENTI A.L OCCURRENCE REPORT REVISION LER RO EVENT YE AR R EPORT NO.

CODE TYPE N O.

O aeg I 81 il 1-1 I of si il kj l o !W I

l-l Lo_]

M s

_ 21 22 23 24 26 27 H

M 30 31 32 AK N AC O ONP NT ME 64 CUR S SSAITh FORf 8.

SUPPLIE MAN FAC RER I Xl@l2 l@

l Zl@

d h Iofololol l Yl@

[NJ@

l A l@

l X l 9 l 9 l 9 l@

33 J4 36 36 3/

40 41 42 43 44 47 CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS h lilo l l Snubbers were taken out of service for structural modifications r~uired by the l

It i1 1 I seismic restraint analvsis p rogram.

Snubbe rs we re re tume d to se rvi ce uo on como le-I g1 i7, I tion of the modifications.

j I

l i l 31 l I1 l4l l 80 7

8 9 A

% POWER C NEA STATUS t40 RY DISCOVERY DESCRIPTION li ls l l D l@ lo 11 l6 l@l N/A l

l A l@l operator Observation l

ACTivlTY CO TENT AELEASED CJRELEASE AMOUNT OF ACTIVITY LOCATION CF RELEASE li le I LZ_J @ Id@l N/A I

I N/A I

PERSONNEL EXPOS ES NUM81ER TYPE

DESCRIPTION

l i l 71 1 o l o l o @l Z l@l N/A I

PERSONNE t iNJu' RIES NUMBER

DESCRIPTION

I R lolol0l@l N/A 80 7

8 9 11 12 LOSS OF OR DAMAGE TO FACILITY TYPE

DESCRIPTION

Li_l2J llj@l N/A I

PususTY gO9150598e10820 NRC USE ONLY DEScaiPTiON g R ADOCK 0500026,7 iSSu E D i

iiiiiiiiiiiii; 12 l al LEJ81 N/A s

pg 68 69 80 5 7

8 9 to

( 303) 785-2224

{

PHONE:

NAf.tF CF PREPARER

" - T.

. ^T~