Our storm shelter is the perfect solution for wheelchair and scooter users as well as those with limited mobility to access stairs that are typically an obstacle for in ground shelters. Is the mightysafe Shelter wheelchair accessible? The owners of this shelter opened the door and removed their personal items. It takes a 2 man crew about an hour and a half to do the installation. The shelter will be installed by our company or a certified dealer in your area. Our most popular sizes are normally in stock. There is no report ever recorded of a tornado ripping the foundation from the ground. The shelter is mounted to the concrete slab in a home exceeding FEMA guidelines. There isn’t even a conscious April 2001 effort to make the ammo or packing materials conductors or insulators, so grounding must not be a big factor.” Donovan, project officer for development of the Army’s Bradley fighting vehicle, points out that “… tanks and armored vehicles get hit by lightening all the time, and in many cases they are uploaded with their basic loads of ammunition, pyrotechnics, and fuel. Even thin metal can safely conduct lightning currents without needing lightning rods or down conductors.”īG (ret.) Claude B. Stringfellow, Chief Scientist, PowerCET Corporation, states, “Metal structures are selfprotectingĪnd rarely a lightning hazard for the occupants. More in-depth understanding can be obtained from the Boston Museum of Science,ĭr.
#Metal storm shelter doors skin
The “metal box” represented by a conventional car or van yields a skin effect that becomes the conductor and protects the occupants. The public intuitively acknowledges this principle when driving automobiles during thunderstorms. Some evidence has been provided by experts on the subject of metal structures indicating that metal enclosures shield the interior from the effects of outside sources of electricity.
Lightning safety is reflected in this Standard.
The advice of engineers and scientists with extensive research experience in Little published information has been found that addresses directly the shelter safety issue. What happens if the shelter is hit by lightning?Ĭoncerns over safety in lightning storms for occupants of storm shelters have led to searches for applicable science or expert opinion. If you would like a quote, visit our contact page and fill out the form.
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