Coastal Construction Manual - National Ready Mixed Concrete ...

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3 IDENTIFYING HAZARDS Figure 3‐20. Flow channeled between large buildings during Hurricane Opal in 1995 scoured a deep channel and damaged infrastructure and houses at Navarre Beach, FL SOURCE: FLORIDA DEPARTMENT OF ENVIRONMENTAL PROTECTION, USED WITH PERMISSION Figure 3‐21. Pile-supported house in the area of channeled flow shown in Figure 3-20. The building foundation and elevation successfully prevented high-velocity flow, erosion, and scour from destroying this building Figure 3‐22. This house, located in an area of channeled flow near that shown in Figure 3-20, was undermined, washed into the bay behind the barrier island, and became a threat to navigation 3-30 COASTAL CONSTRUCTION MANUAL
IDENTIFYING HAZARDS 3 3.4.3 Waves Waves can affect coastal buildings in a number of ways, including breaking waves, wave runup, wave reflection and deflection, and wave uplift. The most severe damage is caused by breaking waves (see Figure 3-23). The force created by waves breaking against a vertical surface is often 10 or more times higher than the force created by high winds during a storm event. Figure 3‐23. Storm waves breaking against a seawall in front of a coastal residence at Stinson Beach, CA SOURCE: LESLEY EWING, USED WITH PERMISSION Wave runup occurs as waves break and run up beaches, sloping surfaces, and vertical surfaces. Wave runup (see Figure 3-24) can drive large volumes of water against or around coastal buildings, inducing fluid impact forces (albeit smaller than breaking wave forces), current drag forces, and localized erosion and scour (see Figure 3-25). Wave runup against a vertical wall generally extends to a higher elevation than runup on a sloping surface and is capable of destroying overhanging decks and porches. Wave reflection or deflection from adjacent structures or objects can produce forces similar to those caused by wave runup. Figure 3‐24. Wave runup beneath elevated buildings at Scituate, MA, during the December 1992 nor’easter storm SOURCE: JIM O’CONNELL, USED WITH PERMISSION COASTAL CONSTRUCTION MANUAL 3-31
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Coastal Construction Manual Princip
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All illustrations in this document
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1 CHAPTER TITLE COASTAL CONSTRUCTIO
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CONTENTS Volume I 2.2.7 Pacific Coa
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CONTENTS Volume I Chapter 4. Siting
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CONTENTS Volume I List of Figures C
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CONTENTS Volume I Figure 3-11. Figu
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CONTENTS Volume I Figure 3-53. Typi
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CONTENTS Volume I List of Tables Ch
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1 INTRODUCTION International (BOCA)
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1 INTRODUCTION TERMINOLOGY: DESIGN
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1 INTRODUCTION be indicated once th
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1 INTRODUCTION systems, application
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1 INTRODUCTION Zone V. Portion of t
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HISTORICAL PERSPECTIVE 2 Figure 2-1
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HISTORICAL PERSPECTIVE 2 Figure 2-1
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HISTORICAL PERSPECTIVE 2 2.2.2 Mid-
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HISTORICAL PERSPECTIVE 2 of continu
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Page 63 and 64: IDENTIFYING HAZARDS 3 few thousandt
Page 65 and 66: IDENTIFYING HAZARDS 3 Figure 3‐3.
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Page 131 and 132: IDENTIFYING HAZARDS 3 Jarrell, J.D.
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Page 135 and 136: SITING 4 4. Either proceed with the
Page 137 and 138: SITING 4 The geographic region or
Page 139 and 140: SITING 4 Table 4‐1. General Infor
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SITING 4 In the absence of current
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SITING 4 information should be comb
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SITING 4 evaluate a site for its su
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SITING 4 Table 4‐2. Planning and
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SITING 4 Figure 4‐13. Comparison
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SITING 4 Figure 4‐15. Problematic
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SITING 4 Figure 4‐18. Coastal lot
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SITING 4 Figure 4‐20. Three 2-yea
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SITING 4 4.6.1 Building on Lots Clo
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SITING 4 Figure 4‐24. Beach erosi
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SITING 4 The projects can provide p
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SITING 4 Tuttle, D. 1987. “A Smal
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5 INVESTIGATING REGULATORY REQUIREM
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5-22 COASTAL CONSTRUCTION MANUAL Ta
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FUNDAMENTALS OF RISK ANALYSIS AND R
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ACRONYMS Volume I CFR CRS CZM CZMA
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ACRONYMS Volume I NAVD NBC NEHRP NF
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Volume I GLOSSARY Coastal A Zone -
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Volume I GLOSSARY DFE is identical
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Volume I GLOSSARY Flood Insurance S
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Volume I GLOSSARY Interior mechanic
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Volume I GLOSSARY Metal roof panel
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Volume I GLOSSARY Pressure-treated
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Volume I GLOSSARY the installation
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Volume I GLOSSARY V Variance - Unde
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Volume I INDEX Coastal A Zone, 1-10
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Volume I INDEX Effects of shore pro
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Volume I INDEX Siting consideration
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Volume I INDEX Coastal A Zone) Term
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Volume I INDEX Channelized flow, 3-
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Volume I INDEX U Uplift (land) (see
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FEMA P-55 Catalog No. 08352-1
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