- - - _ --. - . _ _ _ _ _ -. .. . m . . yg,9y | ' . Et..scraic _ . Caraway Mant Seotember 5, 1989 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 ULNRC-2066 Gentlemen: DOCKET NUMBER 50-483 1 CALLAWAY PLANT UNIT 1 FACILITY OPERATING LICENSE NPF-30 SPECIAL REPORT 89-10 STH YEAR INSERVICE CONTAINMENT VESSEL TENDON SURVEILLANCE FAILURE The enclosed Special Report is an engineering evaluation submitted to satisfy Technical Specification action stotement 3.6.1.6(b) regarding sheathing filler gresse voids in excess of 5% noted during the 5.5 year containment vessel tendon surveil 1 Lance Sinco complisnee with ell remaining surveillor.ce requirements for Technical Specific.3 tion 6 .6.1 was demonstrated, it is concluded that voids ir, excess of 5% * of tnu net duct volume have not resalted in any degradation of the L pest-trnsioning system, thus assueug the structural integr ity of the containment vessel. 64 g J. D. Blosser f T Manager, Callaway Plant # fp" f WRC/J M/DLB G/cmk Enclosure cc Distribution attached f60 8909110378 890905 * {DR ADOCK 05000483 I ' PDC , Maang Adtfrest P.O. Box 620, Fulton MO 65251 -_- __________--
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- - - _ ___ --. - . _ _ _ _ _ -. ..
. m .
. yg,9y |'
.
Et..scraic_
.
Caraway Mant
Seotember 5, 1989
U. S. Nuclear Regulatory Commission
Document Control DeskWashington, D.C. 20555
ULNRC-2066
Gentlemen:
DOCKET NUMBER 50-4831
CALLAWAY PLANT UNIT 1FACILITY OPERATING LICENSE NPF-30
SPECIAL REPORT 89-10STH YEAR INSERVICE CONTAINMENT
VESSEL TENDON SURVEILLANCE FAILURE
The enclosed Special Report is an engineering evaluation submittedto satisfy Technical Specification action stotement 3.6.1.6(b) regardingsheathing filler gresse voids in excess of 5% noted during the 5.5 year
containment vessel tendon surveil 1 Lance Sinco complisnee with ell
remaining surveillor.ce requirements for Technical Specific.3 tion6 .6.1 was demonstrated, it is concluded that voids ir, excess of 5%*
of tnu net duct volume have not resalted in any degradation of the L
pest-trnsioning system, thus assueug the structural integr ity of the
containment vessel.
64g J. D. Blosser
f T Manager, Callaway Plant# fp" fWRC/J M/DLB G/cmk
Enclosure
cc Distribution attached
f608909110378 890905 *
{DR ADOCK 05000483 I'
PDC,
Maang Adtfrest P.O. Box 620, Fulton MO 65251-_- __________--
. _ - _ _ _
4 ,
.
*.
cc: distribution for U1NRC-2066|
|
Mr. A. Bert DavisRegional AdministratorU.S. Nuclear Regulatory CommissionRegion III
799 Roosevelt RoadGlen Ellyn, IL 60137
i Mr. R. W. DeFayetteChief, Reactor Projects Section 3AU.S. Nuclear Regulatory CommissionRegion III799 Roosevelt RoadGlen Ellyn, IL 60137
Mr. T. W. Alexion (2)Office of Nuclear Reactor RegulationU.S. Nuclear Regulatory CommissionMail Stop 13-E-21Washington, D.C. 20555
Manager, Electric DepartmentMissouri Public Service CommissionP.O. Box 360Jefferson City, MD 65102