The fee for each blasting permit shall be fifty dollars ($50.00), which amount shall be payable to the City. The Fire Chief shall assign a qualified inspector either from within or outside the Department who shall supervise all drilling, charging and shooting of all holes, and who shall not require, by the contractor, to work less than six hours in any one day. The contractor shall compensate the City at a rate of twenty-five dollars ($25.00) per hour, for each hour charged under this section. (Ord. 87-37. Passed 6-2-87.)