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20 <br /> <br />Slide #22 1 <br /> 2 <br />Christopher Sandt reviewed the information on the slide. This map defines residential 3 <br />density limits for each of the water supply watersheds. He explained that the vertical striping 4 <br />indicates watersheds with lower density limits. For instance, University Lake is one dwelling unit 5 <br />per five acres of land, and Cane Creek is one dwelling unit per two acres of land. After reviewing 6 <br />the other slides, he said there are a lot of reasons why there are no density limits for non-7 <br />residential developments. Generally, commercial projects are a single parcel, and there's typically 8 <br />not a multi-building approach. He explained that floor area ratio is used for commercial 9 <br />developments, which is essentially the footprint of the building divided by the footprint of the parcel 10 <br />itself. 11 <br />Commissioner Greene said she didn’t realize there were floor area ratios in the UDO. She 12 <br />asked if those are just for commercial developments and how they are calculated. 13 <br /> Cy Stober said they can be found in Article 3. He said there is a table and page for every 14 <br />one of the zoning districts, and, except for the conditional districts, they nearly all have floor area 15 <br />ratios. He said generally, the governing regulations for most residential development are 16 <br />impervious surface or density, so that usually comes before floor area ratios are consulted for a 17 <br />residential project. 18