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About this course

One of the most common of all retrofitting techniques is to raise an entire existing superstructure above the design Flood elevation (DFE). When properly done, the elevation of a house places the living area above all but the most severe floods.

Elevating the structure allows water to enter the building footprint while locating the living area above the anticipated flood elevation. Elevating the house offers long term advantages over wet floodproofing by making the cleanup after the flood much easier limiting the cleanup to areas outside of the living area. In many cases, elevating the house is simpler and more cost effective than dry floodproofing the house. This information in this course could be useful in projects where elevating the house is necessary, regardless of the reason.

This course is based on the FEMA publication, Engineering Principles and Practices for Retrofitting Flood-Prone Residential Structures, Chapter 5E Elevation and a Case Study from Chapter 6. It is intended to provide knowledge that may be used to protect residential structures from flooding by raising the living area above the DFE.

Topics:
Understand specific methods of elevating residential structures for flood protection;
Know how to use the design flood elevation (DFE) in elevation design;
Be introduced to designing openings for intentional flooding of enclosed areas below the DFE;
Be introduced to elevating houses over crawlspace foundations;
Be introduced to elevating houses over basement foundations;
Be introduced to elevating houses on pier foundations;
Be introduced to elevating houses on pile foundations;
Be introduced to elevating houses on column foundations;
Be introduced to elevating Slab-on-Grade houses without raising the slab with the house;
Be introduced to elevating Slab-on-Grade houses while raising the slab with the house;
Understand how to elevate utilities of various types of houses;
Understand how to construct new living areas (second story addition) over an existing foundation for a 1-story house; and
Be able to evaluate changes to foundation loads due to second story addition;
Be able to evaluate changes to structural framing loads due to second story addition;
Be able to evaluate changes from increased wind loads due to increased height; and
Be able to evaluate changes from increased wind loads due to increased height.

Intended Audience: This course is intended for Structural, Geotechnical, Civil, Environmental, Water Resources, and other engineers whose job description requires a general knowledge concerning the retrofitting of structures to mitigate flood damage.

Publication Source: US FEMA

schedule
2 hours
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Certificate of completion
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Beginner level
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No prerequisites
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No preparation required
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1 year access

US$24

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2 hours
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Study Guide
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ELV Quiz
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Cadistics Courseware /INSTRUCTOR
Engineering Marketplace Coordinator

Cadistics is an engineering content development company offering quality courseware in a wide variety of engineering disciplines. With a library of over 400 course titles available, topics include: civil, mechanical, environmental, powergen and renewables, structural, transportation, geotechnical and earth sciences, biological, land development, ethics, HSW, water resources, and more. Cadistics offers a Board of highly qualified Instructors, available anytime to interact with the student on all subject matter offered. Instructors come from a variety of backgrounds in public, and private sectors of engineering academia and practice. Visit us at: www.cadistics.com to view our credentials.

D. Allen Hughes, PE /AUTHOR

Mr. Hughes is a graduate of the University of Tennessee with BS and MS degrees in civil engineering. He is a licensed Professional Engineer in NC, FL, GA and VA. He is also licensed as a Certified BMP inspector in North Carolina. Mr. Hughes began his engineering career in 1992, when he was employed by S&ME. In 1997 he established the geotechnical engineering firm Piedmont Geotechnical, Inc., PA, which he has managed since then. In 2006 he established D. Allen Hughes Engineering, Inc., which he also managed since then. Since then he has gained significant experience in the analysis, design, investigation, and testing of subsurface conditions, special inspections, BMP inspections, and residential and commercial 3rd party inspections.