No person shall cause a blast to occur within the city without making application in writing beforehand, setting forth the exact nature of the intended operation, and receiving a permit to blast from the authorized city official. The authorized city official, before granting such permit may require the applicant to provide a bond to indemnify the city and all other persons against injury or damages which might result from the proposed blasting.
(Prior Code, § 93.20) Penalty, see § 93.99