§ 92.23  FIRE HYDRANTS.
   (A)   Fire hydrant obstructions.  No person shall place any obstruction whatever, nor shall any person responsible for the obstruction permit it to remain, within 15 feet of any fire hydrant.
   (B)   Fire hydrant openings.  No person, except authorized city officers and employees, shall use any fire hydrant except in case of emergency, without first securing permission from the Department of Public Works for such use, and paying or agreeing to pay for the water to be used.  In no case shall any wrench or tool be used on any fire hydrant other than a regulation city hydrant wrench.
Penalty, see § 10.99