Presentation to GT STRUDL USER GROUP MEETING June 14th, 2012 Feifei Lu, PE Structural Engineer URS Corporation Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load

Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. 2 Outline Introduction of Modularization Design Lifting Point Applying Wind Load to Module Analysis & Results –Hand Calculation –Nonlinear Analysis – Nonlinear Dynamic Analysis Remaining problems Conclusion Q&A

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Introduction of Modularization Design 3

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Introduction of Modularization Design Shaw- WEC AP1000 Sanmen Unit #1-CA01 Module Lifting at Daylight 4 Shaw- WEC AP1000 Sanmen Unit #1-CA01 Module Lifting Start

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Introduction of Modularization Design 5 Shaw- WEC AP1000 Sanmen Unit #1-CA01 Module Lifting in Air

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Introduction of Modularization Design Benefits of modularization design: Significant decrease in construction time Ease of construction Easy access in tight spaces Better quality 6

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 7

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 8 Cable Element Lifting Point Weak Spring Restrain to Prevent Structural Instability Modeling Method

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point Center of Gravity (C.G.) ***************************************************** { 3362} > LIST DYNAMIC MASS SUMMARY 1 **************************** *RESULTS OF LATEST ANALYSES* **************************** PROBLEM - TITLE - NONE GIVEN ACTIVE UNITS FEET KIP CYC DEGF SEC / / / / / / / / GLOBAL CENTER OF MASS Mass Moment of Inertia about AXIS COORDINATE TOTAL MASS TOTAL WEIGHT X Axis Y Axis Z Axis / / / / / / / / X E Y E Z E+00 / / / / / / / / 9 Center of Gravity

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 10 Lifting point aligns with Center of Gravity: Top : X: ” Y: 0.503” Bottom : X: 2.632” Y: 1.102”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 11 Lifting point: Lift at X:71.07’; Y:95.68’ Top : X: ” Y: 0.144” Bottom : X: ” Y: ”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 12 Offset Lifting point: Lift at X:71.26’; Y:95.85’ Top : X: 30.17” Y: ” Bottom : X: 40.93” Y: 27.54”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 13 Offset Lifting point: Lift at X:71.26’; Y:95.44’ Top : X: ” Y: 37.15” Bottom : X: ” Y: ”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 14 Offset Lifting point: Lift at X:70.85’; Y:95.85’ Top : X: ” Y: 35.05” Bottom : X: 34.76” Y: 37.63”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 15 Offset Lifting point: Lift at X:70.85’; Y:95.50’ Top : X: ” Y: 37.15” Bottom : X: ” Y: ”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Lifting Point 16 Lifting Point (ft) Distance from Lifting Point (in) Deformation (in) XYXY TopBottom XYXY Center of Gravity /16- 2/ Lifting Point Offset Point /162 1/ Offset Point / / Offset Point /162 1/ Offset Point /16-2 3/ Lifting Point Deformation Summary Table

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module 17

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module Wind speed definition: Light & variable. = 0-5 mph. Breezy = mph. Windy = 20-30mph. Very Windy = mph. Strong = mph. Gale Force = mph. Hurricane = 74+ mph. 18 Design Wind Speed Wind SpeedNet Design Wind Pressure 40 mph4 psf 30 mph2 psf

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module Calculate Exposed Steel Area: { 3349} > PRINT MEMBER LENGTH MEMBERS EXISTING { 3350} > PRINT MEMBER INCIDENCES MEMBERS EXISTING { 3351} > PRINT MEMBER PROPERTIES MEMBERS EXISTING 19

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module Calculate Joint Load: 20 MemberStartEnd LengthDepth Wind Pressure Distribution Load Joint Load (ft) (psf)(lbf/ft)(lbf) BM100123F1021B BM100124B100170J BM100125J B BM100126B100171F BM100127F1023B BM100128B100123J BM100129J B BM100130B100120F BM100131F2004B BM100132B100106B BM100133B100110F BM100134F2002B BM100135B100156B BM100136B100162F BM100146B100105B BM100147B100109B BM100148B100113B BM100149B100102B BM100150B100147B

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module Time History Wind Pressure for Dynamic Analysis 21

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Applying Wind Load to Module Time History Wind Pressure for Dynamic Analysis 22

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results 23

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Hand Calculation 24 Wind Load Dead Load C. G. 82 ft  T Wind Load Dead Load C. G.

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Hand Calculation (cont’d) 25 X-direction (4psf)Y-direction (4psf)X-direction (2psf)Y-direction (2psf) Wind Load (kips) Gravity Load (kips)2594  (degree) LocationTopBottomTopBottomTopBottomTopBottom Length (ft) Displacement (in)

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Analysis 26 X- Direction Wind Load 4 psf Top : X: 16.12” Y: -8.92” Bottom : X: 22.45” Y: -9.28”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Analysis (cont’d) 27 Y- Direction Wind Load 4 psf Top : X: ” Y: 24.65” Bottom : X:-27.43” Y: 32.89”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Analysis (cont’d) 28 X- Direction Wind Load 2 psf Top : X: 7.45” Y: -4.03” Bottom : X: 10.54” Y: -4.12”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Analysis (cont’d) 29 Y- Direction Wind Load 2 psf Top : X: ” Y: 12.18” Bottom : X: ” Y: 16.71”

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. 30 Analysis & Results Nonlinear Analysis (cont’d) Nonlinear Analysis Summary Table Deformation (in) TopBottom XYXY X-Direction 4 psf psf Y-Direction 4 psf psf

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis Time History Wind Pressure for Dynamic Analysis 31

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 32 Top Joint Bottom Joint

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 33 X-direction Wind (4 psf) Top Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 34 X-direction Wind (4 psf) Bottom Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 35 Y-direction Wind (4 psf) Top Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 36 Y-direction Wind (4 psf) Bottom Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) Time History Wind Pressure for Dynamic Analysis 37

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 38 X-direction Wind (4 psf) Top Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 39 X-direction Wind (4 psf) Bottom Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 40 Y-direction Wind (4 psf) Top Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Analysis & Results Nonlinear Dynamic Analysis (cont’d) 41 Y-direction Wind (4 psf) Bottom Joint Displacement

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Remaining Problems 42

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Remaining Problems Instability problem during analysis Difficulty to obtain wind time history data Computer limitation Wind load uncertainty 43

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Conclusion 44

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Conclusion Structure is sensitive to lifting point Hand calculation is not able to account for rotational deformation Nonlinear analysis provides conservative results Nonlinear dynamic analysis provides more realistic results 30 MPH is a better criteria for this particular lifting procedure 45

Nonlinear Analysis / Nonlinear Dynamic Analysis of Module Lifting with Wind Load Copyright © 2012 URS CONFIDENTIAL – This document is proprietary and competitively sensitive. Any disclosure, copying, or use of it is strictly prohibited. Q&A 46