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15-3724 <br /> April 15,2015 <br /> Page 3 <br /> Sample Ordinances <br /> Attached are sample ordinances for subdivision of two-family lots from Tonka Bay, Shorewood <br /> and Lakeville. Common elements include: <br /> - The "base lot" must meet all requirements of the zoning district (i.e. in the 1 acre zone the <br /> underlying lot must meet 1 acre and 140' width minimum) <br /> - The "unit lot" created by splitting the base lot in two can have only one principal building, <br /> which will be the portion of the attached dwelling existing or constructed on the platted unit lot. <br /> - Permitted accessory uses in the underlying zoning district are acceptable if they meet all zoning <br /> requirements. <br /> - Property maintenance and party wall agreement will be required. <br /> - Must have separate sewer/water/utility services to each subdivided unit <br /> - Unit separation must meet building code requirements <br /> Typical Subdivision Layouts <br /> The most common duplex layout, and the only one we are aware of existing in Orono in which a <br /> separation would be feasible, is two units side-by-side. See Exhibit D. A subdivision to separate <br /> the two units would have two potential options: <br /> 1. Split the building and the lot along the party wall line and its extension, so that each unit <br /> has its ownership of the dwelling unit as well as their half of the lot. (Example: <br /> twinhomes just west of Navarre water tower site) <br /> 2. Split the building along the party wall line, but keep the entire lot outside of the building <br /> walls as a single commonly owned lot or outlot. (Example: Stonebay) <br /> Either option may be acceptable subj ect to the appropriate covenants, maintenance agreements, <br /> easements, etc. <br /> Topics for Consideration <br /> - It should be noted that Orono has very few existing duplex situations, perhaps less than five. It <br /> is unlikely that all have an interest in splitting - this zoning amendment is a result of a request <br /> from just one property owner. Ironically, of the two identified duplex properties to date, one is <br /> less than 0.5 acre in a 1-acre zone, so would not qualify for a split if the `conforming base lot' <br /> requirement is established; and the other, the subject resulting in this request, is apparently a few <br /> square feet short of the 0.5 acre requirement in the LR-1 G 1 half-acre zone (although it was <br /> allowed as a conforming duplex lot when the subdivision was approved), plus a portion of it is <br /> subject to an easement for access to a Met Council pumping station... <br /> - Perhaps a more pertinent issue is whether the future creation of conforming single-family lots <br /> in the limited areas where duplex use would be allowed, could be a stepping-stone to avoiding a <br /> rezoning to RPUD or some other zone in order to establish twinhomes - the 2500 Kelly Avenue <br /> parcel comes to mind. In that respect, would it be appropriate to establish that a new ordinance <br />