Magazine construction

Magazines for the storage of Class A explosives shall be bullet-resistant, weather-resistant, fire-resistant, ventilated sufficiently to protect the explosive in the specific locality. Class 1 and Class 2 magazines shall be protected from lightning in accordance with the N.F.P.A. Lightning Protection Code. Magazines used only for the storage of Class B explosives shall be weather-resistant, fire-resistant and have ventilation. Magazines for the storage of blasting and electric blasting caps shall be weather-resistant, fire-resistant and ventilated. Underground storage in Class 1 and Class 2 magazines is prohibited without approval by the State Fire Marshal.