(Morgan Chesky/KOCO via AP) Photo from – Brian Graham shared this photo of his concrete below-ground tornado shelter in Moore, Oklahoma, completely filled with water Thursday morning. Photo from - This photo by KOCO shows a storm shelter that came out of the ground after four inches of rain fell Tuesday night, May 5, 2015, through Wednesday morning in Noble, Okla., a surrounding community of Norman. Below ground shelters are more prone to take on water, and without a clear drain system, can fill up. Localized flooding can be a problem in any thunderstorm, and those that spawn tornadoes, super-cells, are also prone to produce heavy rainfall. There is a much lower chance of debris falling in and trapping someone in an above ground shelter, and with the door opening inward, it is not necessary to wait for rescuers to exit after the storm. An above ground safe room has a door that opens inward, which is supported by 3 or more locking points in the door frame.
Safe rooms built above grade also avoid other issues that can plague underground shelters. The occupants would be trapped until someone could remove this material. This may pose an additional risk, especially for those with health problems. Their door opens upward to prevent debris falling in and injuring or further trapping the occupants while they are trying to exit, but this can pose a serious problem if, for instance in a garage, collapsed building materials are sitting on top of the door. Most underground shelters have only one entrance/exit. Typically, tornado strengths are measured, not by Doppler wind speeds above ground, but by the damage assessment on the ground, making the measurement of the strength of the tornado a subjective rather than objective matter. At ground level, there are obstructions, which can affect the wind velocity, limiting it in areas and funneling into higher velocities in others. The wind speeds at the ground have not been decisively measured, and the estimates given by Doppler radar are for 500 feet above the ground. “Near-absolute protection means that, based on our current knowledge of tornadoes and hurricanes, the occupants of a safe room built according to this guidance will have a very high probability of being protected from injury or death… to date, a wind event exceeding the maximum design criteria in this publication has not been observed.” The following information is taken from the NOAA Severe Weather Workshop – March 2009: There are advantages to each of these styles of protection.Ī reinforced concrete structure, placed above grade, and built to FEMA specifications is fully rated for Near-Absolute Protection. There are many types of safe rooms, ranging from below grade concrete structures, and steel or fiberglass “water tanks” with reinforced doors, above grade filled CMU, ICF, and wood and steel composite structures. It is important to have a safe place to go during a storm, such as safe rooms or community shelter. If you had the luxury of a cellar or basement, get into that.
SAFEROOM PLANS WINDOWS
Historically we in the plains states have been told to move to the middle of your home and either open or close windows depending on who you have listened to. It is an immensely powerful, destructive force, which can devastate anything in its path. Safety is of primary concern during a tornado. Call us for details.Tornado season is upon us, and once again, we in the Midwest and Southeast will see thunderstorms forming and rolling across the plains, and we will look up and wonder if that is just a low hanging cloud, or something more ominous.
SAFEROOM PLANS FULL
As an extra feature, an upstairs bonus space with full bath is provided that would be perfect for a guest suite or that family game room.The master suite has convenient laundry access and a safe room. The 3 bedrooms are well-sized and all include large walk-in closets.
The spacious kitchen has views to the rear porch and features a roomy island with eating bar that easily seats three and a large walk-in pantry.The beautiful formal entry and dining room open into a large open living area with raised ceilings - a vaulted ceiling option is available - and brick accent wall.A beautiful exterior combining brick and board and batten siding greet you to this modern farmhouse plan, the fourth one in this design family.
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