The rules and regulations established by this chapter shall apply to all civil defense shelters as defined in this code, whether located above ground or below, when such shelters are used or intended to be used solely and exclusively for the purpose of providing protection to the occupants thereof from the effects of blasts, fire, heat and radiological fallout. These regulations are not intended to apply to buildings or structures within which the function of a civil defense shelter is combined with other types of occupancies.
(O97-026)