National Performance Criteria for Tornado Shelters
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Introduction
Shelters constructed to these performance criteria are expected to withstand the effects of the high winds and debris generated by tornadoes so that all occupants of the shelter during a tornado will be protected without injury. These criteria are to be used by design professionals, shelter manufacturers, building officials, and emergency management officials to ensure that shelters constructed in accordance with these criteria provide a consistently high level of protection. The following describes the performance criteria.
Topics Covered- Resistance to Loads from Wind Pressure for Shelters
- Windborne Missile Impact Resistance on Shelter Walls and Ceiling
- Other Loads
- Shelter Access Doors and Door Frames
- Shelter Ventilation
- Emergency Lighting
- Shelter Sizing
- Shelter Accessibility
- Emergency Management Considerations for Shelters
- Additional Requirements for Below-Grade Shelters:
- Multihazard Mitigation Issues
- Construction Plans and Specifications
- Quality Control
- Obtaining Necessary Permits
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MS WordLast Modified: Thursday, 04-Jun-2009 13:35:47 EDT