Differences Between NTTF 2.3 Seismic & USI A-46 - MPR · 2018-06-26 · USI A-46 vs. NTTF 2.3...
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Differences Between NTTF 2.3 Seismic & USI A-46 Richard Starck, MPR Caroline Schlaseman, MPR Caroline Schlaseman, MPR Robert Kassawara, EPRI W bi Webinar on: June 25, 2012
Transcript of Differences Between NTTF 2.3 Seismic & USI A-46 - MPR · 2018-06-26 · USI A-46 vs. NTTF 2.3...
Differences BetweenNTTF 2.3 Seismic & USI A-46
Richard Starck, MPRCaroline Schlaseman, MPRCaroline Schlaseman, MPRRobert Kassawara, EPRI
W biWebinar on:June 25, 2012
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SQUG Web Site
• NTTF 2.3 Seismic related documents are posted to the SQUG web site Link to documents on home page:SQUG web site. Link to documents on home page:http://squgweb.mpr.com
• Documents on this site include:Documents on this site include:– NTTF 2.3 Seismic Walkdown Guidance (on EPRI web site)
– Word versions of:• Seismic Walkdown Checklist (SWC)• Area Walk-By Checklist (AWC• Peer Review Checklist for SWEL
– How NTTF 2.3 Seismic Differs From USI A-46C f thi t ti
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– Copy of this presentation
Objectives
• Understand NTTF 2.3 seismic program
• Know the major differences between Guidance and GIP• Know the major differences between Guidance and GIP
• Have your questions answered on implementingHave your questions answered on implementing NTTF 2.3 seismic program
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Background
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Near-Term Task Force (NTTF)
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Lead Organizations
NRCNRCNEINEI
EPRIEPRIMPRMPR
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EPRI Report 1025286
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EPRI Report 1025286
USI A-46 vs. NTTF 2.3 Seismic
Topic GIP NTTF 2.3 SeismicConcern Equipment not qualified Degraded nonconformingConcern Equipment not qualified
to IEEE Std. 344-1975Degraded, nonconforming,
unanalyzed conditionsApproach Implement alternative
qualification methodVerify that plant meets seismic
licensing basisqualification method licensing basisScope of
EquipmentReactor safe shutdown
functionsReactor safe shutdown
functionsContainment functionSpent fuel integrity
Scope of Walkdown
Detailed Limited scopeArea Walk-By of nearby
equipmentSeismic Engineer
Qualifications5 years experienceSQUG 5-day trainingP E required
Nuclear experienceEPRI 2-day trainingP E not required
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P.E. required P.E. not required
USI A-46 vs. NTTF 2.3 Seismic (Cont’d)
Topic GIP NTTF 2.3 SeismicEquipment Caveats Not requiredEquipment
capacity vs. demand
CaveatsInternal load pathCapacity vs. demand calc
Not required
Anchorage Visual inspection Visual inspection onlyAnchorage Visual inspectionTorque testingCapacity vs. demand calc
Visual inspection only
Seismic Interaction Spatial Spatialp pFlooding/sprayFire
Relay Review Required Not requiredTanks & HXs Full scope Visual check of anchorageCable/conduit
racewaysFull scope Visual check for unusual
conditions
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USI A-46 vs. NTTF 2.3 Seismic (Cont’d)
Topic GIP NTTF 2.3 SeismicIdentified Issue “Outlier” “Adverse Seismic Condition”Identified Issue Outlier Adverse Seismic ConditionChecklists Yes YesPeer Review Limited Extensive using Peer Review
“T ”“Team”
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Questions and Answers
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Contact Information
Richard StarckMPR Associates Inc
Caroline SchlasemanMPR Associates IncMPR Associates, Inc.
320 King StreetAlexandria, VA 22314
MPR Associates, Inc.320 King StreetAlexandria, VA 22314
(703) [email protected]
(703) [email protected]
Robert P. KassawaraEPRI3420 Hillview AvenuePalo Alto, CA 94304(650) 855-2302rkassawa@epri com
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