Figure 4-5: Floodproofing methods
Figure 4-5. The illustration above shows various floodproofing methods, including the following: dry floodproofing by using impermeable walls that withstand additional pressure; wet floodproofing by allowing the wall to be intentionally flooded so the pressure inside and outside can be equalized; building a temporary gate or closure to prohibit the entry of water; building a low wall around ground-level windows to protect them from the force of floodwaters; reinforcing concrete walls with joist restraints, continuous horizontal rebar, and underlain gravel with a drain pipes; and using noncorrosive seal on keyed joints.

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