San Clemente City Council
March 19, 2024

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APPENDIX C – LOCALIZED SIGNIFICANCE THRESHOLD DISPERSION MODELING

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APPENDIX D – COASTAL ENGINEERING REPORT
545 439
C H A M B E R s G R 0 u p

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546 440
San Clemente Shoreline Feasibility Study
Orange County, California

COASTAL ENGINEERING

APPENDIX
Final Report
U.S. Army Corps of Engineers
Los Angeles District
JULY 2011
547 441
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TABLE OF CONTENTS
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1 GENERAL

1.1 Introduction
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2 BASELINE COASTAL AND OCEANOGRAPHIC CONDITIONS

2.1 Study Area Definition
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Figure 2-1 Study Area Reach
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Figure 2-2 Typical View of Beach, North From Pier
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Figure 2-4 Typical View of Beach and Railroad

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Table 2-1 Tidal Datum Elevations at La Jolla, CA
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-8 Significant Wave Height Histogram, 1983-1998 Figure 2-9 Significant Wave Height Histogram, Winter Data, 1983-1998 569 463
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Figure 2-10 Spectral Peak Period Histogram, 1983-1996
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______________________________________________________________Coastal Engineering Appendix 

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Figure 2-14 Recent Shoreline Change in San Clemente Area Table 2-7 Summary of Recent Long Term Shoreline Change Rates Location Erosion Rate, m/yr (ft/yr)
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Figure 2-17 Repetitive Cross Sections at Linda Lane (from Coastal Frontiers, 2005) Figure 2-18 Repetitive Cross Sections at T-Street (from Coastal Frontiers, 2005) 581 475
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Figure 2-20 Storm Induced Beach Change Histogram
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______________________________________________________________Coastal Engineering Appendix 
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-21 Site Location for Imperial Beach Fill (from SANDAG, 2010) 590 484
1 mile
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______________________________________________________________Coastal Engineering Appendix 

Figure 2-22 Site Location for Mission Beach Fill (from SANDAG, 2010) 591 485
1 mile
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-23 Site Location for Torrey Pines Fill (from SANDAG, 2010) 592 486
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-24 Site Location for Del Mar, Fletcher Cove, and Cardiff Fills (from SANDAG, 2010) 593 487
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-25 Site Location for Moonlight, Leucadia, Batiquitos, and South Carlsbad Fills (from SANDAG, 2010)
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-26 Site Location for North Carlsbad and Oceanside Fills (from SANDAG, 2010) 595 489
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______________________________________________________________Coastal Engineering Appendix 
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-27 Silver Strand Littoral Cell
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______________________________________________________________Coastal Engineering Appendix 
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______________________________________________________________Coastal Engineering Appendix 
Figure 2-29 Mission Bay Littoral Cell
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______________________________________________________________Coastal Engineering Appendix 
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______________________________________________________________Coastal Engineering Appendix 

Figure 2-31 Torrey Pines Receiver Site (from SANDAG, 2010) 'HO 0DU
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601 495
______________________________________________________________Coastal Engineering Appendix 
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Figure 2-34 Cardiff Receiver Site (from SANDAG, 2010)
602 496
______________________________________________________________Coastal Engineering Appendix 
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603 497
______________________________________________________________Coastal Engineering Appendix 
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Figure 2-37 Batiquitos Receiver Site (from SANDAG, 2010) 6RXWK &DUOVEDG
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______________________________________________________________Coastal Engineering Appendix 
1RUWK &DUOVEDG
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______________________________________________________________Coastal Engineering Appendix 
3 DESIGN METHODOLOGY AND CONDITIONS

3.1 Design Storm Water Levels
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______________________________________________________________Coastal Engineering Appendix 

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______________________________________________________________Coastal Engineering Appendix 
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______________________________________________________________Coastal Engineering Appendix 
6 PLAN SELECTION

6.1 Description of Alternatives
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Figure 6-6 T Street Surfing Area (from Surfline, 2009)
Figure 6-7 Surfers at T Street (from Wright, 1973)
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Figure 6-9 Southern California Edison Artificial Reefs

6.4 Construction Considerations
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6.6 Monitoring Plan
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Table 6-3 Monitoring Costs
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