Unless otherwise provided, a commercial operator shall, at his own expense, provide, construct, install, equip and maintain all utilities, buildings, structures, ramps, tie down areas, taxiways, fences and all other facilities and improvements approved by the council for the commercial operator to carry out the activities or services authorized in his license. A commercial operator shall promptly pay when due, all charges for sewer, water, power, telephone service and other utilities and services supplied to his place of business at the airport. (Ord. 509, 6-28-2005)