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All electrical system components should be raised above the design flood elevation to protect against water and speed up recovery, unless properly designed to be water-tight per code requirements.

All electrical system components should be raised above the design flood elevation to protect against water and speed up recovery, unless properly designed to be water-tight per code requirements.
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Although crawlspaces are not recommended in flood-prone areas, they can be designed or retrofitted to greatly increase resistance to flood damage.

Although crawlspaces are not recommended in flood-prone areas, they can be designed or retrofitted to greatly increase resistance to flood damage.
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An alternative design includes strapping the tank to concrete counterweights on opposite sides of the tank.

An alternative design includes strapping the tank to concrete counterweights on opposite sides of the tank.
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An engineered bioswale uses perforated pipe laid in rock and landscape fabric at the bottom of a vegetated trench to direct water away from a site.

An engineered bioswale uses perforated pipe laid in rock and landscape fabric at the bottom of a vegetated trench to direct water away from a site.
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An exterior metal staircase was added to this concrete building for roof access and refuge during tsunamis in Kesennuma, Japan

An exterior metal staircase was added to this concrete building for roof access and refuge during tsunamis in Kesennuma, Japan
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An interior shade that closes from the bottom up can work in conjunction with an exterior overhang to block lower-angle sunlight while still allowing view through the upper portion of the window that is shaded by the overhang.

An interior shade that closes from the bottom up can work in conjunction with an exterior overhang to block lower-angle sunlight while still allowing view through the upper portion of the window that is shaded by the overhang.
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An underground fuel tank is anchored onto poured-in-place concrete counterweights.

An underground fuel tank is anchored onto poured-in-place concrete counterweights.
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Anchorage failure in sliding glass doors due to negative pressures from hurricane force winds.

Anchorage failure in sliding glass doors due to negative pressures from hurricane force winds.
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Anchoring a fuel tank to a concrete slab is recommended to avoid displacement if flooding occurs.

Anchoring a fuel tank to a concrete slab to avoid displacement if flooding occurs.
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Application of window and door nonexpanding foam sealant

Application of window and door nonexpanding foam sealant
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Attach a strong permanent cover to gable end vents before a severe storm strikes to prevent moisture intrusion.

Attach a strong permanent cover to gable end vents before a severe storm strikes to prevent moisture intrusion.
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Backflow prevention devices keep water and sewage from entering the home during a flood preventing damage and health and safety issues.

Backflow prevention devices keep water and sewage from entering the home during a flood preventing damage and health and safety issues.
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Backwater Valve Installation

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Base flood elevation and other parameters affected by flood depth.

Base flood elevation and other parameters affected by flood depth.
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Berms are compacted earth or gravel ridges that slow the flow of water from rain, riverine flooding, or storm surges in coastal areas.

Berms are compacted earth or gravel ridges that slow the flow of water from rain, riverine flooding, or storm surges in coastal areas.
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Berms, swales, bioswales, ridges, and vegetation all help to control rainwater runoff on residential sites.

Berms, swales, bioswales, ridges, and vegetation all help to control rainwater runoff on residential sites.
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Bioswales or rain gardens filter storm water through vegetation and rock and sand substrate layers.

Bioswales or rain gardens filter storm water through vegetation and rock and sand substrate layers.
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Birds may nest in unprotected vent openings

Birds may nest in unprotected vent openings
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Bracing of timber pile foundations.

Bracing of timber pile foundations.
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Bracing Your Garage Door.

Bracing Your Garage Door.
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Breaking wave pressure distribution against a vertical wall.

Breaking wave pressure distribution against a vertical wall.
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Building elevation and plan view of pile foundation for a coastal home.

Building elevation and plan view of pile foundation for a coastal home.
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Building elevation and plan view of roof showing longitudinal shear walls; dimensions are wall-to-wall and do not include the 2-ft roof overhang.

Building elevation and plan view of roof showing longitudinal shear walls; dimensions are wall-to-wall and do not include the 2-ft roof overhang.
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Building siding extended down and over the breakaway wall so the upper wall was damaged when the lower wall broke away.

Building siding extended down and over the breakaway wall so the upper wall was damaged when the lower wall broke away.