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overhangs or other projections. Such width requirement shall be <br />in addition to the minimum area per dwelling requirements <br />established within this Ordinance. <br />(3) Single-family dwellings other than approved earth sheltered <br />homes shall have at least a 4/12 roof pitch and shall be covered <br />with shingles or tiles. <br />(4) All single-family structures must be built in conformance with <br />Minnesota Statute 327.31 to 327.35 or the Uniform Building Code <br />as adopted in the State of Minnesota. <br />(5) The exterior walls of all single-family residences shall be similar <br />in appearance to normal wood or masonry residential construc- <br />tion. Any metal siding upon single-family residence structures <br />shall have horizontal edges and overlapping sections no wider than <br />12 inches. Sheet metal siding shall not be permitted in such <br />districts. <br />Subd. 16. Areas Without Sanitary Sewer. <br />(1) In areas without public sanitary sewer, new single-family lots <br />shall provide at least one (1) acre of buildable land and at least <br />four (4) feet above the water table with a slope of less than five <br />percent (5%) and with soils with physical properties and percola- <br />tion rates suitable for construction of a dwelling and installation <br />of an on -site disposal system. <br />(2) In areas without public sanitary sewer, single-family homes may <br />be allowed to be constructed on existing lots of record less than <br />five (5) acres in size if it can be shown that said lots can provide a <br />minimum building area that meets the following requirements. <br />Buildable, well drained soils with a water table at least four (4) <br />feet below the surface, large enough to accommodate the single- <br />family home, one on -site sewage system and one back-up system <br />and drainfield. Determination of site suitability shall be made by <br />the Zoning Official or City Engineer. <br />(3) Two-family and multiple -family developments shall not be per- <br />mitted in areas without public sewer. <br />(4) Nonresidential land uses may be permitted in areas without <br />sanitary sewer only upon issuance of a Conditional Use Permit and <br />only upon the review and recommendation of the City Engineer <br />that a properly functioning on -site system can be constructed on <br />the property. <br />All subdivisions in areas without public sanitary sewer shall be <br />designed such that the larger non-sewered lots can be resub- <br />divided to provide smaller sewered lots when sewer becomes <br />available in the future. Homes shall be located on these lots so as <br />to allow for future resubdivisions. <br />(5) <br />25 <br />