1143.08 R-MH PLANNED MOBILE HOME AND MANUFACTURED HOME RESIDENTIAL DISTRICT.
   (a)   Purpose. This district is intended to permit the development of Mobile and Manufactured Home Parks while maintaining a reasonable population density and by providing for the unique requirements for this type of development. The provisions of this district are established to assure that the site design and arrangement in relation to other areas together with the provision of associated facilities result in an attractive, orderly and efficient residential environment of sustained desirability in harmony with adjacent areas.
   (b)   Uses.
      (1)   Permitted uses.
         A.   Mobile home parks.
            1.   Mobile homes (not self-propelled vehicles) as defined in the Ohio Revised Code.
            2.   Manufactured Homes as defined in the Ohio Revised Code.
      (2)   Accessory uses.
         A.   Coin-operated laundry, laundry and dry cleaning pick-up stations for use of tenants only. No external sign shall be permitted.
         B.   Other accessory uses, buildings or structures customarily incidental to the aforesaid use.
         C.   On-site Manufactured Home Sales. The sale of manufactured homes within a mobile/manufactured home park or subdivision shall be a Conditional Use having one-year duration. Said use shall be reviewed at the end of the first year for possible extension for an additional year in total representing a maximum two-year duration. Such sales areas shall be well screened from the residential section of the park or subdivision and shall be located at the periphery of the site. All signs used for advertising shall be unobtrusive to the surrounding property.
         D.   Neighborhood commercial facilities. In mobile home parks of fifty (50) acres or more, neighborhood commercial facilities such as markets, barbers, beauty shops, or doctor's offices, may be planned in conjunction with a mobile home park but may not be physically occupied until the park is seventy-five percent (75%) occupied by residents.
   (c)   Site Development Regulations.
      (1)   Minimum floor area. Individual mobile/manufactured homes located within the district shall have a minimum floor area of 600 square feet.
      (2)   Area requirements. Each mobile/manufactured home park shall have a minimum gross site area of not less than twenty (20) acres.
      (3)   Density requirements. Gross density for a mobile/manufactured home park shall not exceed five (5) dwelling units per acre.
      (4)   Minimum lot size. The minimum lot size within mobile/manufactured home parks or subdivision shall be determined by the size of the residential unit occupied lot area, ratios, building setback and separation, and parking requirements.
      (5)   Occupied lot area ratio. A mobile or manufactured home shall not occupy an area in excess of one-third (1/3) of its respective lot area. The total occupied area of a mobile or manufactured home and its accessory buildings on a lot shall not exceed two-thirds (2/3) of the lot area.
      (6)   Utilities.
         A.   Each mobile/manufactured home park shall be served by public water and sewer systems.
         B.   In each mobile/manufactured home park all wires, cables and lines providing telecommunication, including cable television, and electric utility services and connections of such utility systems to buildings and light poles in such parks, shall be located underground.
         C.   Mobile/manufactured home parks shall meet all pertinent requirements of the Ohio Department of Health District and the Butler County Health Department.
      (7)   Landscaping.
         A.   Trees of at least two (2) inch caliper shall be installed on both sides of all streets within the mobile/manufactured home park at a maximum spacing of fifty (50) feet between trees.
      (8)   Setback requirements. The following setback requirements for all mobile or manufactured homes located in a mobile/manufactured home park shall apply:
         A.   From all perimeter lot lines: see Perimeter Requirements.
         B.   From any mobile or manufactured home located in the mobile home park: twenty (20) feet, however, end-to-end clearance may be reduced to ten (10) feet.
         C.   From any community building: fifty (50) feet.
         D.   From any public or private street located within the park: twenty (20) feet.
      (9)   Perimeter requirements. A perimeter setback with respective screening requirements shall be provided which is adequate to protect the residential use in the development and, in any case, shall not be less than the following:
         A.   Where the adjoining land use (existing or permitted) is of similar or higher density use or is a collector street, a distance of thirty (30) feet containing a ninety percent (90%), visually solid, year-round landscaped buffer six (6) feet in height.
         B.   Where the adjoining land use is an arterial street, a residential use of lower density, or a nonresidential use, protection shall be provided by providing a distance of forty (40) feet containing berms, walls, solid or louvered fencing, open fencing with appropriate planning, or a visually solid, year-round landscaped buffer six feet in height.
         C.   The Planning Commission may waive all or part of the perimeter landscaping requirements if, due to the nature of the existing typography or other existing conditions, if the Planning Commission finds it is unreasonable to require a wall, fence or screen.
      (10)   Required open space. A minimum of ten percent (10%) of the gross site area shall be set aside and reserved for usable open space. Said open space shall be in one or more parcels, not less than one acre each. The minimum dimension of said open space shall be 200 feet in any direction. For the purposes of this section, "Usable Open Space" shall be construed to mean parks, common open areas, and areas containing a combination of community service buildings (clubhouses, swimming pools, etc.) and outdoor recreation areas.
      (11)   Access. Each mobile/manufactured home park shall have direct access to a collector or arterial thoroughfare.
      (12)   Private streets. A mobile/manufactured home park shall have an entrance drive from a public street, and access to individual units shall be from private paved drives within the site. A paved walk shall be located along at least one side of each drive. The width and design of the entrance drive and access drives shall be adequate to accommodate fire protection vehicles and equipment as determined upon review by the Planning Commission and the City Council. The following are minimum pavement widths:
 
            28 feet      One-way traffic with parking
            20 feet      One-way traffic, no parking
            36 feet      Two-way traffic with parking
            28 feet      Two-way traffic, no parking
   (d)   Parking Requirements. Two paved, off-street parking spaces having a minimum area of 180 square feet each shall be provided for each mobile/manufactured home site. Said parking space shall be located either on the home site, behind the front setback area, or in a common parking area within the mobile/manufactured home park.
   (e)   Signs. Signs within the mobile/manufactured home development shall be limited to an identification sign containing the name of the park not to exceed thirty-two (32) square feet, a name plate attached to each home, which is no larger than one square foot, directional signs indicating the location of utility buildings, including management office, parking and common recreation area, traffic control signs.
   (f)   Miscellaneous Requirements.
      (1)   Lighting. Appropriate lighting shall be provided along interior roadways and walkways. All lights shall be so positioned and shaded to avoid a glare on adjoining properties.
      (2)   Drainage. Each mobile/manufactured home space shall be so constructed to provide adequate storm water drainage from ramps, patios, and all walls and foundations of the home to the roadway.
      (3)   Fuel Supply. Where fuel is stored in outdoor storage tanks, they shall be supported by a concrete base and screened from view of surrounding home spaces and the street.
      (4)   Enclosed Undercarriage. All mobile homes located in the mobile/manufactured home parks shall be enclosed from the bottom of the structure to the ground.
      (5)   Stand. Each mobile home site shall be provided with a stand consisting of a solid concrete slab or two (2) concrete ribbons of a thickness and size adequate to support the maximum anticipated loads during all seasons. Where concrete ribbons are used, the area between the ribbons shall be filled with layer of crushed rock.
      (6)   Foundation. A manufactured home must be attached to a foundation in accordance with plans prepared by a registered engineer in compliance with the prevailing building code provision for vertical loads, uplift, and lateral forces.
      (7)   Refuse Containers. All refuse containers shall be screened from view of surrounding home spaces and the street.
   (g)   Subdivision Regulation Compliance. All mobile/manufactured home park proposals intended to sell individual lots and thus subject to regulation as a subdivision shall comply with all pertinent provisions of the City's Subdivision Regulations with the exception of requirements or standards which are superseded by provisions of this section.
(Ord. 3611. Passed 1-19-21.)