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In order to accomplish the general purpose of this ordinance, it is necessary to give special consideration to certain uses because they are unique in nature, require large land areas and are potentially incompatible with existing development.
A. Manufactured home parks/subdivisions. The following development standards shall apply for all manufactured home parks, which shall be approved as a development permitted on review:
1. Minimum area of manufactured home park. No park shall be allowed to open on less than two (2) acres.
2. Only manufactured homes shall be permitted, except for additions and accessory structures which may be constructed on-site.
3. Minimum lot size. Five thousand (5,000) square feet, exclusive of public street rights-of-way and private street easements.
4. Street standards.
a. Public streets shall meet minimum standards of the subdivision ordinance or, in the case of private streets,
standards established by the city council in the approval process.
b. Cul-de-sac roads shall have a maximum length of three hundred (300) feet and a minimum turnaround of forty-foot radius.
c. Be accessible at all times to fire department, ambulance, police, sanitation and utility vehicles.
5. Street lighting. The developer shall furnish and install street lights in accordance with city standards. On private streets, lights shall be operated and maintained by the developer.
6. Fencing and screening. The developer shall install screening, opaque fencing or plantings on the front, side and rear perimeters of the manufactured home park, according to site plans approved by the planning commission.
7. Shade trees. The developer shall plant shade trees on the property. One (1) tree with a minimum trunk diameter of not less than one (1) inch shall be planted on each manufactured home lot. Trees shall be of varieties recommended by the city parks and recreation department.
8. Drainage and storm sewers. Per Chapter 15A.
9. Water/sewer facilities. Per Chapter 15A.
10. Utilities. Per Chapter 15A.
11. Recreation areas. A park and recreation area shall be provided having a minimum of one hundred fifty (150) square feet for each manufactured home site, consolidated into usable space. This requirement may be waived by the planning commission if the manufactured home park has minimum lot sizes of six thousand (6,000) square feet.
12. Accessory buildings. Accessory buildings shall meet minimum setbacks in 15.d below.
13. Lot width. Minimum fifty (50) feet.
14. Perimeter setbacks.
a. Twenty-five-foot perimeter setback from all public rights-of-way.
b. Any perimeter yard abutting a residential district shall maintain a fifteen-foot setback.
c. All perimeter setbacks shall be maintained and landscaped.
15. Lot setbacks.
a. Front yard-Fifteen (15) feet from all road rights-of-way within the manufactured home park.
b. Rear yard-Ten (10) feet.
c. Side yard-Eight (8) feet.
d. Accessory structures-Five (5) feet, side and rear.
16. Off-street parking. There shall be a minimum of two (2) paved, off-street parking spaces on each manufactured home lot, which may be located in the front or side yard.
17. Storage space. The manufactured home park shall provide a paved storage area for boats, campers, R.V's, etc., for use only by tenants. The number of spaces within this area shall be equal to one (1) space for every five (5) manufactured homes sites. Each space shall be ten (10) feet by twenty (20) feet.
18. Securing and skirting. All manufactured homes and accessory structures shall be securely anchored to the ground, at intervals approved by the building official. Manufactured homes, once in their permanent location upon the lot, shall be fully skirted within sixty (60) days.
19. Additions to manufactured homes. Building permits shall be required for all additions, which shall meet all setback requirements. No additions or structures erected shall have a height greater than the height of the manufactured home to which it is attached; and shall be supported by a foundation approved by the building official.
a. The developer shall install, in accordance with standards of the city, all road and street name signs.
b. Each manufactured home park shall be permitted to display, on each frontage, one (1) identifying sign of maximum size of twenty-five (25) square feet.
21. Guarantees to include improvements. Guarantees may be required in an amount determined by the planning commission and approved by the city council, to assure completion of all requirements within this section.
22. General provisions.
a. Sidewalks from the paved driveway to the main entry of the manufactured home shall be a minimum of thirty-six (36) inches in width.
b. Each manufactured home shall have an address of three-inch high letters mounted on the side fronting the street.
c. Each manufactured home space shall be clearly defined by permanent markers.
d. Each manufactured home space shall be serviced by the public water and sewer system. Manufactured homes that cannot be connected to the public water and sewer system shall not be permitted.
e. Manufactured homes shall not be used for commercial, industrial or other nonresidential uses, except home occupations as defined in Article II and permitted as a use permitted on review.
23. Application requirements. The application shall be accompanied by three (3) copies of the plot plan drawn to scale, and prepared by a licensed engineer or architect. The following information shall be shown:
a. The location and legal description of the proposed manufactured home park.
b. Plans and specifications of all buildings, improvements and facilities constructed or to be constructed within the man- ufactured home park.
c. The proposed use of buildings shown on the site.
d. The location and size of all manufactured home spaces.
e. The location of all points of ingress and egress and internal traffic circulation pattern.
f. A landscaping plan.
g. The location of all lighting standards to be provided.
h. The location of all walls and fences, the indication of their height, and the materials of their construction.
i. The name and address of the applicant.
j. Such other architectural and engineering data as may be required to permit the zoning administrator and city council to determine if the provisions of this ordinance are being complied with.
k. An estimated timetable for project development.
B. Water and sewer systems, septic systems.
1. Water systems. Each primary residential and commercial use within the city shall be connected with the municipal water system, according to Chapter 18, Article II of the city code. Property zoned Rural Large Lot Single Family shall be exempt from this requirement, and shall be permitted private individual or shared wells according to state statutes governing private wells.
2. On-site water system. Any use involving a principal structure which is not served by the municipal water system, shall have an on-site water system. Approval of the on-site system shall be according to Chapter 18, Article II of the city code.
3. Sewer systems and on-site sewage disposal alternatives. Each residential and commercial unit within the city shall be connected with a public sewer system according to Section 18-66 of Chapter 18, Article III of the city code. Alternate plumbing fixtures for on-site disposal systems shall be governed by Section 18-65 of Chapter 18, Article III of the city code.
C. Health, safety, and aesthetic barriers.
1. Whenever property in one (1) zoning category abuts property of a more restrictive zoning category and the property in the less restrictive category is being developed, the zoning administrator may require, as a condition of the building permit, such barriers be constructed by the developer as are deemed necessary and appropriate for the protection of the more restrictive area. Appeals of the Zoning Administrator’s requirements shall be per Article VI, Section 6.
The zoning from most restrictive to least restrictive is as follows: AG, R1, R2, R3, CC, C1, C2, ILR and IH.
Such devices may include fences, hedges, traffic controls and patterns or any other device reasonably necessary to attain the goals sought.
For purposes of definition, property of one (1) zoning category shall be deemed to abut another zoning category whenever two properties directly abut.
2. The foregoing provision shall not apply to the development of an R2 property abutting an R1 district.
3. In commercial and industrial districts, outside storage of goods or materials shall be prohibited in any area on the street frontage of a building.
D. Storm water.
1. Every owner of real property shall be responsible for the safe discharge of storm water from the owner’s property. All building and development plans shall include a storm water discharge and disposal plan which shall be approved by the city engineer.
2. If connection to an existing storm sewer is not available or if the existing storm sewer is not adequate as determined by city staff, every owner of commercial, industrial, and multi- family zoned property shall be required to construct an on-site storm water detention facility for all impervious surfaces. The facility shall be designed by a registered professional engineer.
3. Every developer of a new subdivision shall submit plans for storm water handling and discharge for approval by the city engineer. If connection to existing storm drainage facilities is not available, new subdivisions of more than ten (10) acres and having a minimum of fifteen (15) building lots shall construct an on-site storm water detention facility designed by a registered professional engineer.
4. The on-site detention facilities required herein shall meet the following minimum requirements:
a. The post-development peak flow from the site shall be detained such that it shall not exceed the existing peak flow from the site for the ten (10) year frequency and fifty (50) year frequency, twenty-four (24) hour rainfall events.
b. The existing and post-developed peak flows and runoff hydro graphs shall be determined by watershed modeling using Technical Release 55 (TR-55), “Urban Hydrology for Small Watersheds” from Natural Resources Conservation Service, formerly Soil Conservation Service (SCS).
c. Rainfall data shall be obtained from National Weather Service Technical Paper 40 (NWSTP-40) and the SCS Synthetic Rainfall Twenty-four(24) hour Distribution Type II shall be used to develop the rainfall curve.
d. Storm water detention volumes and release rates shall be determined by routing the runoff hydro graphs using detailed routing computations based on the application of the continuity principle (i.e., level pool routing).
(Ord. No. 969, 8-18-03; Ord. No. 986, 6-25-04; Ord. No. 999, 2-7-05; Ord. No. 1165, 11-19-12)