ML071790654

From kanterella
Jump to navigation Jump to search
Handout for Meeting with Representatives of Omaha Public Power District for Fort Calhoun
ML071790654
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 06/28/2007
From: Matthews T
Omaha Public Power District
To:
Office of Nuclear Reactor Regulation
Donohew J N, NRR/DORL/LP4, 415-1307
References
Download: ML071790654 (54)


Text

i S

Agenda

0 Background

0 Analysis B. Van Sant -OPPD S. Singh-S&L L. Marsh-Berger Abam E. Landis-Par

  • Licensing
  • Schedule Review B. Van Sant-OPPD B. Van Sant-OPPD m Questions 6/28/0 7 OPPD 2

6/28/07 OPPD 2

=

Background===

6/28/07 OPPD 3

Crane Upgrade Background mOriginal 100-ton design of auxiliary building crane was non-single failure proof (P&H) crane

  • 75 tons was original weight projected maximum cask
  • In 1976, project initiated for single-failure-proof status at upgrading.

75 tons crane to 6/28/07 OPPD 4

6/28/07 OPPD 4

Crane Upgrade Background (cont.)

  • Crane upgrade was qualified to Reg. Guide 1.104 per Ederer NRC-approved topical report EDR-1
  • Upgrade included a two-blockable Ederer X-SAM replacement trolley
  • NRC Safety Evaluation of 5/22/84 accepted crane's single failure proof status 6/28/07 OPPD 5

6/28/07 OPPD 5

Plant Layout sp a

,,F?

L it It' FV 3.

\\s4zF.

Y

-4 1-I:'i

-L a

Li A

=04;

1. -'-

cst 044"344 d'

SrEgit IRf tw I'

SIORAGL--TKG 3

p*D VMr Wr LA1'WRN-rC AT El rIf V

re rLNF.

Er.d" M

/

dm~d I

"mmIl I

jIa_.

f rk L IA ~

f I

a IL

_ftýIMIPIF

__t

_%YZ rbwztrN A-C-

-4 UFIER. VAKT OF CAS-,

DECON TA.MINATI oN 0

ARLA I / N PL TPtN 4kA ME{rTA~t-E Q0WS.

me Fýt rtAW$e týFZIIAi4LW mEhL unw Vbn sa. t4hFl.h Aft"A rJt-iL5 6EIE DO&

r r.1 TOl-P-UEAS POOL I-I m

E MT r,

P4, AV,,+.-..,,1

+.~-,+++.- -.

+,.

+,+*

r GZ!Vo I

6/28/07 OPPD 6

Plant Layout tooP 6/28/07 OPPD 6/28/07 OPPD 7

Dry Fuel Loading

" In 2004, OPPD elects to use a modified transfer cask design to reduce weight

" In 2006, 10 CFR 72.48 evaluation of lightweight cask design change fails

" OPPD loads only 4 canisters under an exemption 6/28/07 OPPD 8

OPPD Options

  • TransNuclear licenses OS197L through amendment
  • Uprate of HE-2 crane to 105
  • Decision date approximately tons October 1, 2007 6/28/07 OPPD 9

6/28/07 OPPD 9

I Auxiliary Building Analysis 6/2 8/0 7 OPPD 10 6/28/07 OPPD 10

Structural Analysis/Evaluation

.Methodology E Building structural configuration E Plant drawing Seismic analysis plan & sections N Loads, load combinations, and acceptance criteria 6/28/07 OPPD 11 6/28/07 OPPD 11

N Building Structural Configuration AUXILIARY BUILDING" PLANT ELEVATION 1025'-0" 6/28/07 OPPD 12 6/28/07 OPPD 12

I

MI. IaWY Building Structural Configuration EL, 1i*

6/28/07

Seismic Analysis Criteria Described in USAR

  • Section 2.2.4 of Appendix F: Refueling crane analyzed with supporting runway girder subjected to acceleration from seismic ana ysis of the containment and auxiliary buil ing 0 Appendix F allows Alternate Seismic Criteria and Methodologies (ASCM) for reanalysis and design of equipment and structures.

0 Appendix F refers to EA-FC-94-003 for Alternate Seismic Criteria Methodology 6/28/07 OPPD 15 6/28/07 OPPD 15

Seism ic Analysis Criteria Described in USAR (cont.)

0 In EA-FC-94-003, Refined Seismic Response Spectra were generated for Auxiliary Reactor building and 0 NRC SER on ASCM (April 16, 1993) 6/28/07 OPPD 16 6/28/07 OPPD 16

Seismic Ana Iysis EA-FC-94-003 Inputs to Crane Uprate SResponse spectra developed in this document are used in crane uprate analysis

  • Building model (reinforced concrete),

4% OBE, 7% SSE damping 6/2 8/0 7 OPPD 17 6/28/07 OPPD 17

ASCM Seismic Model 0 Three-dimensional dynamic model using as-built plant properties E Model includes offsets between the mass and stiffness centers 0

Floor response spectra as envelope of extreme corners and center of mass 6/28/07 OPPD 18 6/28/07 OPPD 18

SUprated Crane Seismic Analysis Coupled Crane and Crane-Support Structure Model

" A three-dimensional (GT STRUDL) crane and crane support structure model

" Three-dimensional crane model by Ederer/Berger-Abam

" Crane runway and trolley rails restraints per ASME NOG-1-2004 0 Reinforced concrete crane runway girders

" Top of runway girder continuously laterally supported-by walls 6/28/07 OPPD 19

Uprated Crane Seismic Analysis Coupled Crane and Crane-Support Structure Model

  • Boundary Conditions of the Model E The runway girders at the pool north and south ends are fixed freedom in all six degrees of
  • The runway girder nodes at column are fixed in three translational direc supports
tions
  • All nodes of runway girders are fixed for translation in east-west direction (lateral direction) 6/28/07 OPPD 20

Uprated Crane Seismic Analysis Various locations of trolley, bridge girder and load (per ASME NOG-1-2004) lifted

  • Trolley at.end, at quarter span and at mid-span of bridge girder
  • For each of above trolley locations, three bridge girders positions were selected to envelope the bridge girder locations throughout the runway girder M Lifted load conditions per NOG-1-2004 6/28/07 OPPD 21 6/28/07 OPPD 21

Seismic Analysis One Typical Crane - Crane Support Model Ew-Runway Girder a

0-0 U

A qp------qp-------lP*"

I-Bridge Girder v

!I!

Troll

-4I Runway Girder a

p p

p 6/28/07 OPPD 22 6/28/07 OPPD 22

Uprated Crane Seism ic Analysis Method of Analysis Coupled analyzed crane-crane support structure using Response Spectrum Method of Analysis for OBE and SSE 0 Modal Response Combination: ten percent method (R.G. 1.92, Rev. 1) 0 Consideration of high frequency modes (rigid modes) (SRP 3.7.2, Rev.2) 0 Three Direction Combination: SRSS of maximum responses of each of three direction of excitations (R.G. 1.92, Rev. 1) 6/28/07 OPPD 23 6/28/07 OPPD 23

Uprated Crane Seismic Analysis Method of Analysis E Structural Damping values used: 7% for SSE and 4% for OBE 0

For reinforced concrete runway girders meets ASCM and R.G. 1.61 E For crane members meets ASME NOG-1-2004 E Seismic Input Spectra: Calculated from 7%

damped spectrum (SSE) and 4% damped spectrum (OBE) provided in ASCM at elevations 1044 ft and 1083 ft (crane girder elevation 1063.5 ft) 6/28/07 OPPD 24 6/28/07 OPPD 24

Seismic Analysis Input spectra at Supports of Runway Girders (El. 1063.5 ft)

~SSEW.

i.n_8,2 SSE,,

2

  • SSE~s 4

.SSF.1 ý FRequenry tH2.)

EJ. 1063.5 ft. (averafe value)

El. 3083 fL

l. 1044 ft.

6/28/07 OPPD 6/28/07 OPPD 25

Seismic Analysis Input spectra at Supports of Runway Girders (El. 1063.5 ft)

<SSEW83.

)0D SS 3.3 ISSC - 44LI?

-srý_9i Frequency i~iz.

Note:

El. 1063.5 ft. (8vefCF W]UC)

El. 1083 f-.

1044 ft.

6/28/07 OPPD 6/28/07 OPPD 26

Seismic Analysis Input spectra at Supports of Runv Girders (El. 1063 iay SSE

.5 ft)

  • *SSE,

SSENIl.SSE,,_4 i~'SE 3~

R1,1 nQ (H7-)

Note:

B]. 3063.5 fl. (averafc '-]ue)

El. 1083 fi.

....... El. 3044 ft.

6/28/07 OPPD 27 6/28/07 OPPD 27

Loads and Load Combinations for Support Structure Evaluation

  • Using same load and load combinations and acceptance criteria as original design basis
  • Working Stress Design Method:

S S=D+L S S=D+L+W S S=D+L+E Allowable Stress per ACI 318-63

  • Ultimate Stress Design Method:

" U = 1.0 D + 1.0 E' U = 1.0 D + 1.0 L + 1.0 E' E U = 1.0 D + 1.0 N + 1.0 Q 6/2 8/0 7 OPPD 28 6/28/07 OPPD 28

Crane Static Analysis 6/28/07 OPPD 29

Crane Mechanical Qualification m Rated Load - Static Analysis -- 105-ton CMAA Class 'A-I' Indoor Service 105-ton MCL Rating.

CMAA 70 (1975) m EDR-1 Generic Licensing Topical Report, Rev. 3 6/28/07 OPPD 30 6/28/07 OPPD 30

Mechanical Calculations

  • Hand Calculations
  • Mathcad Version 13

" Presented as hand calculations

" Programmable features are not used

" Calculations may be taken at face value as all arithmetic operations are shown 6/28/07 OPPD 31 6/28/07 OPPD 31

Scope of Analys is

  • Main hoist equipment
  • Trolley drive equipment 0 Bridge drive equipment 6/2 8/0 7 OPPD 32 6/28/07 OPPD 32

Acceptance Criteria

  • Mechanical rated load

" Redundant components - not to exceed 20% of ultimate strength Non-redundant components - not to exceed 10% of ultimate strength Wire rope - per EDR-1

  • Structural rated load -- CMAA 70 (1975)

E 17.6 ksi direct stress w/ impact 0

13.2 ksi shear w/ impact E 14.4 ksi direct stress w/o impact 0

10.8 ksi shear w/o impact 6/28/07 OPPD 33

Report Content

  • Components that rate for 105-ton 0 Identified as such in report MCL Components that do not Upgrade approach will be 105 tons rate for 105-ton MCL identified and qualified for 6/2 8/0 7 OPPD 34 6/28/07 OPPD 34

Crane Dynamic Analysis 6/28/07 OPPD 35 6/28/07 OPPD 35

Crane Structural Qualification

  • Rated Load - Static Analysis - 105-ton CMAA 70 (1975)
  • Seismic - Dynamic Analysis - 105-ton NUREG 0554 - Crane shall remain in place and support critical load (105-ton)

" A.S.M.E. NOG-1 (2004) - Evaluate using conventional structural analysis techniques 6/28/07 OPPD 36 6/28/07 OPPD 36

Structural Modeling

  • Mathematical model coupled with runway
  • Lumped mass, line elements
  • Linear, elastic analysis
  • Response spectrum approach 0

Floor spectra at runway elevation 6/28/07 OPPD 37 6/28/07 OPPD 37

Seismic Input FCS USAR Appendix F FCS Alternate Seismic Criteria Method

" Floor Response Spectra - OBE and SSE

" RG 1..61 Damping NOG-1

" Type 1 crane

" Industry-standard methodology for crane

" Damping

" Acceptance criteria (allowable stresses) 6/28/0 7 OPPD 38 6/28/07 OPPD 38

Configurations Considered

" Three crane positions on runway

" Three trolley positions on bridge Mid, quarter, end approach per NOG-1

  • Three hook conditions Rated load high, low, and no load
  • Pendulum effect of lifted load-0 Included per NUREG-0554 6/28/07 OPPD 39

Crane Model 84 8281 80 32 30 209 76 22 Jy"-

108 6/28/07 OPPD 40

Damping N 4% OBE and 7% SSE Same for runway and crane Conservative relative to RG 1.61 (2007) 5% OBE and 7% SSE for"bolted steel with bearing connections" 0 4%/7% - same values required by NOG-1 6/28/07 OPPD 41 6/28/07 OPPD 41

Acceptance Criteria

  • Rated load cases - CMAA 70 (1975)

M 17.6 ksi direct stress w/ impact 0

13.2 ksi shear w/ impact M 14.4 ksi direct stress w/o impact M 10.8 ksi shear w/o impact

  • Seismic load cases - NOG-1 (2004)

M Both OBE and SSE are extreme environmental loadings 0 90% yield, direct stress N 50% yield, shear stress 6/28/07 OPPD 42 6/28/07 OPPD 42

Rope

  • Allowables Per CMAA 70 - static Ederer Generic Licensing Topical Report EDR dynamic 6/28/07 OPPD 43

Bou ndary Conditions NOG-1

  • Transverse to runway including clips may consider loads distributed to both runways
  • Parallel to runway lateral loads, but I only driven wheels resist imited by friction (0.30) 6/2 8/0 7 OPPD 44 6/28/07 OPPD 44

Response Spectrum Approach

  • Eigenvalues and Eigenvectors used as basis
  • Individual modal response combined by ten-percent method (NRC approach for closely spaced modes)
  • Directional response by SRSS Missing mass included as rigid modes 6/28/07 OPPD 45

Local Effect Finite Element Analysis

  • Finite Element Method (FEM) analysis used for short diaphragms - not explicitly checked in CMAA 70 (1975)
  • Benefit of combined box girder, short diaphragm and trolley rails included 6/28/07 OPPD 46 6/28/07 OPPD 46

Licensing Review 6/2 8/0 7 OPPD 47 6/28/07 OPPD 47

50.59 Evaluation

  • Probability of occurrence, or consequence of an accident
  • Different accident
  • Test or experiment 6/28/0 7 OPPD 48 6/28/07 OPPD 48

LAR Determination NOG-1 methodology employed is endorsed by NRC in the analysis

  • Code and standards are taken from current design and licensing basis documents No apparent requirement for LAR submittal 6/28/07 OPPD 49

Schedule 6/28/07 OPPD 50

Schedule ID1 2007 2008 2009 1

4th Quarted 1st Quarter 2nd Quartej 3rd Quarte 4th Quarte, 1st Quarter 2nd Quartet 3rd Quarter 4th Quarter 1st Quarter 2nd Quarte 3rd 4thQuarter 41st Quarter 2

3 4

5 6

7 8

9 7-0

-w TN issued draft LAR Submit LA R to NRC NRC issue amendment acceptance letter iii*

  • ii* i ii*!

t Il Cranelstructure evaluations I

h NRC to discuss LAR OPPD Decision on crane uprate SI Prepare LAR Prepare EC Package Ordr Equipment 2008 Refueling Outage NRC Review of LAR Equipment Delivery NRC review of LAR Install New Equipment Load fuel canisters

/

Receive new fueli 2009 Refueling Outage 6/28/07 OPPD 51

Schedule Issues Moff-0 Long lead time for crane uprate components

  • Additional time required for requalification testing and
  • Long review complet lightweight cask-Fall ion time on 2008 LAR for 6/28/0 7 OPPD 52 6/28/07 OPPD 52

Summary

,0 Parallel path 0

No LAR items identified to date 6/28/07 OPPD 53

Questions/Actions 6/28/0 7 OPPD 54 6/28/07 OPPD 54