Association officials arranged with Weldon F. Appelt, president of the Clear Span Engineering Co., for inclusion of the bomb shelter in the A sociation home. Appelt and his firm are the originator and manufacturer of the shelter. Called the "Para-Cap" shelter, it has a parabolic roof with every outside piece curved to absorb and resist shock and blast. The shelter is entered from a stairway off the kitchen. The shelter has an emergency exit through the round tunnel cap which has a circular eyepiece in the tunnel cap for observation.
A separate air intake through the filter periscope changes the air every 15 minutes. It will accommodate up to 10 persons comfortably for a week or more. It has a diameter of 14 feet and utilizes every inch of space. It can be used as a utility room, extra bedroom, children's playroom, den, study, workshop or storage room.
Mr. Appelt says that the shelter will withstand pressures exerted by the heaviest known H-bomb in any area five miles from the blast's center. This means protection in four of the five civil defense evacuation zones. Mr. Appelt observed the recent H-bomb tests at Las Vegas at the request of Val Peterson, Federal Civil Defense chief. Defense officials have been most praiseworthy in discussing Mr. Appelt's underground shelter.
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