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Diagonal bracing schematic to resist lateral forces in a pile foundation home.

Diagonal bracing schematic to resist lateral forces in a pile foundation home.
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Diaphragm stiffening and corner pile bracing to reduce pile cap rotation for homes built on pile foundations.

Diaphragm stiffening and corner pile bracing to reduce pile cap rotation for homes built on pile foundations.
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Disaster Resistant Landscaping

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Distribution of roof, wall, and internal pressures on one-story, pile-supported building.

Distribution of roof, wall, and internal pressures on one-story, pile-supported building.
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Dry Floodproofing

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Dry wells are underground tanks that store water to percolate or drain slowly to another site or sewer.

Dry wells are underground tanks that store water to percolate or drain slowly to another site or sewer.
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Effect of seismic forces on supporting piles.

Effect of seismic forces on supporting piles.
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Effect of Wind on an Enclosed Building and a Building with an Opening

Effect of wind on an enclosed building and a building with an opening.
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Elevated slab construction with no water sensitive materials on first level

Elevated slab construction with no water sensitive materials on first level
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Encourage dune formation by installing sand fences or pallets and planting dune grasses.

Encourage dune formation by installing sand fences or pallets and planting dune grasses.
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Episode 5: Home Erosion Control

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Erosion & Sediment Control Requirements

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Every natural gas appliance has a shutoff valve in the gas line to the appliance that can be manually shut off if a leak happens at a specific appliance or in preparation for an impending natural disaster.

Every natural gas appliance has a shutoff valve in the gas line to the appliance that can be manually shut off if a leak happens at a specific appliance or in preparation for an impending natural disaster.
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Example of two-story platform framing on a pile-and-beam foundation.

Example of two-story platform framing on a pile-and-beam foundation.
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Excess Flow Valves and Earthquake-Actuated Gas Shutoff Valves are two different types of valves that automatically stop the flow of gas into the house: excess flow valves stop gas flow if there is a break in the line, earthquake valves stop gas flow if th

Excess Flow Valves and Earthquake-Actuated Gas Shutoff Valves are two different types of valves that automatically stop the flow of gas into the house: excess flow valves stop gas flow if there is a break in the line, earthquake valves stop gas flow if there is an earthquake
Case Study:

Existing Whole-House Solutions Case Study: Retrofitting a 1960s Split-Level Cold-Climate Home

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Expected flood damage (as a percent of building’s pre-damage market value) at flood depths above the bottom of the floor beam), for a building in the coastal V Zone and riverine A Zone.

Expected flood damage (as a percent of building’s pre-damage market value) at flood depths above the bottom of the floor beam), for a building in the coastal V Zone and riverine A Zone.
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Exterior electrical service components are raised and clearances are provided around components to minimize contact with flood waters and people

Exterior electrical service components are raised and clearances are provided around components to minimize contact with flood waters and people
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Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)

Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)
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Failure at a gable end of a home under hurricane force wind conditions due to improper continuous load path design.

Failure at a gable end of a home under hurricane force wind conditions due to improper continuous load path design.
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Failure in brick veneer connection under high wind conditions due to anchor corrosion, tie fastener pull-out, failure to embed ties into the mortar, poor bonding between ties and mortar, and poor-quality mortar; on left - five ties not embedded.

Failure in brick veneer connection under high wind conditions due to anchor corrosion, tie fastener pull-out, failure to embed ties into the mortar, poor bonding between ties and mortar, and poor-quality mortar; on left - five ties not embedded.
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Failure of the wall to roof connection resulted in loss of roof under hurricane force winds.

Failure of the wall to roof connection resulted in loss of roof under hurricane force winds.
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FEMA Flood Risk Map for Specific Locations – Example Portland, Oregon.

FEMA Flood Risk Map for Specific Locations – Example Portland, Oregon.
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FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.

FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.