§ 160.55 RECREATIONAL VEHICLE PARKS AND CAMPGROUNDS.
   Recreational vehicle parks and campgrounds may be allowed upon approval of a conditional use, subject to the following requirements and any additional standards or conditions that may be required by the Board of Adjustment.
   (A)   The minimum size of a recreational vehicle park or campground shall be five acres.
   (B)   The maximum number of recreational vehicle sites or campsites shall be 15 per acre.
   (C)   Minimum dimensions of a recreational vehicle site or campsite shall be 25 feet wide by 40 feet long, and not more than one recreational vehicle, tent or other habitable structure shall be parked or erected on each site or campground.
   (D)   Each recreational vehicle space or campsite shall be separated from other recreational vehicle spaces or campsites by a yard not less than 15 feet wide.
   (E)   There shall be one and one-half automobile parking spaces for each recreational vehicle site and one for each campsite.
   (F)   The park shall connect to a public sanitary sewer system and Urbandale Water Utility system, all in accordance with the requirements of the Urbandale Plumbing Code, applicable Sewer District and Water Utility.
   (G)   No recreational vehicle shall be occupied by the same family for more than 31 days. Each recreational vehicle shall be fully licensed; shall remain on its wheels or jacking system and be attached to the site only by quick disconnect type utilities and security devices; and shall not have any permanently attached additions. No recreational vehicle shall be allowed to remain in the park or campground for more than 31 days unless it is unoccupied and is being stored on a temporary basis.
   (H)   A building or buildings capable of sustaining tornado force winds and other severe weather situations shall be provided of such size necessary to provide safe shelter to all guests or residents of the Park, on the basis of and assumed three-person occupancy for each space or campsite, and as determined by standards set by the Federal Emergency Management Agency, State of Iowa, or other qualified entity that is acceptable to the city. Such shelters shall be placed in a location that is reasonably central, and shall be operated in a manner that makes the shelter easily and readily accessed by the park residents at the time of any emergency.