Flood Resistant Design and Construction

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Abstract

  • Prepared by the Flood Resistant Design and Construction Committee of the Codes and Standards Activities Division of the Structural Engineering Institute of ASCE

    Flood Resistant Design and Construction, ASCE/SEI 24-14, provides minimum requirements for design and construction of structures located in flood hazard areas and subject to building code requirements. Identification of flood prone structures is based on flood hazard maps, studies, and other public information. This standard applies to new structures, including subsequent work, and to work classified as substantial improvement of existing structures that are not historic. Standard ASCE/SEI 24-14 introduces a new concept, Flood Design Class, that bases requirements for a structure on the risk associated with unacceptable performance.

    The standard includes requirements for the following: basic siting and design and construction requirements for structures in flood hazard areas; minimum elevations for the lowest floor, flood damage-resistant materials, and floodproofing measures, each tied to a structure's Flood Design Class; structures in high risk flood hazard areas subject to flooding associated with alluvial fans, flash floods, mudslides, erosion, high velocity flow, coastal wave action, or ice jams and debris; structures in coastal high hazard areas (V Zones) and Coastal A Zones; flood damage-resistant materials; dry floodproofing and wet floodproofing; attendant utilities and equipment, including electrical service, plumbing systems, mechanical/HVAC systems, and elevators; building access; and miscellaneous construction, including decks and porches, concrete slabs, garages and carports, accessory storage structures, chimneys and fireplaces, pools, and tanks. A detailed commentary containing explanatory and supplementary information to assist users of the standard is included for each chapter.

    Standard ASCE/SEI 24-14 updates and replaces the previous Standard, ASCE/SEI 24-05. It provides essential guidance on design and construction to structural engineers, design professionals, code officials, floodplain managers, and building owners. The standard is adopted by reference in model building codes.

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Chapter 1 General
1–7
Chapter 2 Basic Requirements for Flood Hazard Areas That Are Not Identified as Coastal High Hazard Areas and Coastal A Zones
9–10
Chapter 3 High Risk Flood Hazard Areas
11–12
Chapter 4 Coastal High Hazard Areas and Coastal A Zones
13–17
Chapter 5 Materials
19–20
Chapter 6 Dry Floodproofing and Wet Floodproofing
21–22
Chapter 7 Attendant Utilities and Equipment
23–24
Chapter 8 Building Access
25–25
Chapter 9 Miscellaneous Construction
27–29
Chapter 10 References
31–31
Commentary C1 General
33–41
Commentary C2 Basic Requirements for Flood Hazard Areas That Are Not Identified as Coastal High Hazard Areas and Coastal A Zones
43–46
Commentary C3 High Risk Flood Hazard Areas
47–49
Commentary C4 Coastal High Hazard Areas and Coastal A Zones
51–57
Commentary C5 Materials
59–60
Commentary C6 Dry Floodproofing and Wet Floodproofing
61–63
Commentary C7 Attendant Utilities and Equipment
65–66
Commentary C8 Building Access
67–67
Commentary C9 Miscellaneous Construction
69–70
Commentary C10 References
71–72
FREE
73–75