Upon each separate occasion that a person desires to do blasting, they shall make written application to the Director of Inspection Services for a permit, stating the time and place of such proposed blasting operations, the necessity and purpose thereof. If the Director of Inspection Services is satisfied as to the propriety and necessity of such blasting and the same can be safely done in the specified location, they shall issue a permit under such conditions as they may deem necessary for the protection of persons and property in the vicinity. If said person desires to continuously conduct blasting operations as one continuous project and in one specified location, said director of inspection services may grant a continuous permit. (Ord. 4089-NS § 1 (part), 1965: Ord. 2833-NS § 1 (part), 1947: Ord. 1309-NS § 5, 1927)