If the owner, occupant or any person, firm or corporation having charge or care of any lot or land within the City fails to comply with the notice provided for in Section 905.03, the City may cut and remove those weeds, vegetation or grasses. If the cutting is done by the City for the preceding reason or any other proper reason, all expenses and labor costs incurred shall be paid out of municipal funds not otherwise appropriated upon approval by Council. The removal shall be at the owner's expense and shall be assessed against the lot or land involved. Costs for removal shall be based on personpower and specialized equipment used as set by the Director of Public Service. The costs shall be subject to an annual review and may be adjusted by the Director of Public Service. (1987 Code 98.04)