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 Mayor or other authorized city official. The Mayor or other 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.
Penalty, see § 92.99