In the national shelter survey was located in the upper floors Of radiation sheilding in the central core/upper floors that's why 70% of shelter space identified Since high-rise buildings (see drawings below) would meet the reqirements Public fallout shelters were only ever intended to be shelters where refuge could be Which they absolutely were not because the term "bomb shelter" implies that the shelter has protection against the effects of blast. Intended to be shelters that offered any blast protection. Public fallout shelters designated as part of the national shelter program were NEVER Public fallout shelters were not "bomb shelters!" Radiation than is someone who is unprotected. If in a shelter with a PF of 100, a person is exposed to 100 times less With the amount he would receive if he were unprotected. Radiation dose a person in that shelter would receive as compared The PF of a shelter amounts to the difference between the The amount of protection by shielding which a shelter gives isĬalled the protection factor, the PF, of that shelter. Suitable fallout shelter space in existing facilities, as mentioned above, was defined as follows.Ī shelter area with a PF (Protection Factor see below) of at least 40.ġ0 square feet of floor space for each person if properly ventilated.ĥ00 cubic feet of space if unventilated. The Federal Civil Defense Guide Part C, Chapter 1 October 1970. The Federal CD Guide National Fallout Shelter Program section is downloadable here. Nearly 63 million had been licensed and space for nearly 24 million had been Persons had been located space for nearly 64 million had been marked space for Locating additional shelter space where needed, andĪt the end of 1964, fallout shelter space for approximately 121.4 million Stocking licensed shelter with survival supplies, Securing signitures of facility owners on license agreements to Locating suitable fallout shelter space in existing facilities, To provide nationwide protection for all the population. Has been the principal source of producing public fallout shelters needed Since becoming operational in September 1961, the National Shelter Program The 1964 Civil Defense Annual Report describes the national fallout shelter program as follows.
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