GENERAL PRECAUTIONS: EXPLOSIVES
§ 5.111. Storage of explosive material.
(a) Buildings in which explosives are manufactured, handled, used, or temporarily stored, are classed as ‘‘explosives buildings.’’ Those buildings in which finished explosives not being used in the process of manufacture are kept for periods exceeding 48 hours will be classed as ‘‘magazines.’’
(b) Explosive material not in the process of manufacture or being used in loading detonators, timing, or priming caps, or in like processes, shall not be stored in workrooms where people are employed, except under the following conditions:
(1) When the quantity used daily does not exceed 100 pounds, it is permissible to keep the quantity necessary daily in closely covered receptacles.
(2) When the quantity used daily exceeds 100 pounds, only 100 pounds may be stored in the workroom at one time, and then only if it is suitably protected from careless handling. Additional supplies shall be brought from the magazine as needed.
(3) Explosive materials being used may be stored in any quantity in storage buildings erected for that purpose, if such buildings are not used for other purposes and are located at distances in accordance with § 5.122 (relating to tables of quantity and distance).
(4) Fulminates or materials of like sensibility shall be brought into workrooms in quantities sufficient for current use only.
(c) Explosive materials not in process of manufacture or not being used in processes of manufacturing shall be stored in magazines.
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