§ 93.20  BLASTING PERMIT.
   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 the 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 § 93.99