FEMA 453 Design Guidance for Shelters and Safe Rooms
FEMA 453 Design Guidance for Shelters and Safe Rooms
FEMA 453 Design Guidance for Shelters and Safe Rooms
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latching mechanisms)? Are door frames constructed of at least<br />
16-gauge metal <strong>and</strong> adequately secured to the walls to prevent<br />
the complete failure of the door/frame assemblies? Does the<br />
building rely on shutter systems <strong>for</strong> resistance to the effects of<br />
hurricanes? There is often only minimal warning time be<strong>for</strong>e<br />
a CBRE or tornado event; there<strong>for</strong>e, a shelter design that<br />
relies on manually installed shutters is impractical. Automated<br />
shutter systems may be considered, but they would require a<br />
protected backup power system to ensure that the shutters are<br />
closed be<strong>for</strong>e an event.<br />
2.6 ShelterS <strong>and</strong> mOdel Building tYpeS<br />
This section will provide basic <strong>FEMA</strong> model building types to<br />
describe protective design <strong>and</strong> structural systems <strong>for</strong> shelters in<br />
the most effective manner. This section is based on <strong>FEMA</strong> 310,<br />
H<strong>and</strong>book <strong>for</strong> the Seismic Evaluation of Buildings, which is dedicated<br />
to instructing the design professional on how to determine if a<br />
building is adequately designed <strong>and</strong> constructed to resist particular<br />
types of <strong>for</strong>ces. Graphics included in this section were prepared <strong>for</strong><br />
<strong>FEMA</strong> 454, <strong>Design</strong>ing <strong>for</strong> Earthquakes: A Manual <strong>for</strong> Architects.<br />
2.6.1 W1, W1a, <strong>and</strong> W2 Wood light Frames<br />
<strong>and</strong> Wood commercial Buildings<br />
Small wood light frame buildings (
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