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35 Revised 10/03/2019 Ordinance Language Commentary C. Allowable densities may be transferred from any tier to any other tier further from the waterbody, but must not be transferred to any tier closer to the waterbody. D. All PUDs with densities at or below the base density must meet the design standards in Section 10.6 10.54 Step 4. Determine if the Site can Accommodate Increased Density: A. The following increases to the dwelling unit or dwelling site base densities determined in Section 10.53 are allowed if the design criteria in Section 10.6 of this ordinance are satisfied as well as the standards in Section 10.54, item B: Shoreland Tier Maximum density increase within each tier (percent) 1st 50 2nd 100 3rd 200 4th 200 5th 200 B. Structure setbacks from the ordinary high water level: (1) Are increased to at least 50 percent greater than the minimum setback; or (2) The impact on the waterbody is reduced an equivalent amount through vegetative management, topography, or additional acceptable means and the setback is at least 25 percent greater than the minimum setback. 10.6 Design Criteria. All PUDs must meet the following design criteria. 10.61 General Design Standards. A. All residential planned unit developments must contain at least five dwelling units or sites. B. On-site water supply and sewage treatment systems must be centralized and meet the standards in Section 6.5 of this ordinance. Sewage treatment systems must meet the setback standards of Section 6.41, item A of this ordinance. C. Dwelling units or dwelling sites must be clustered into one or more groups and located on suitable areas of the development. D. Dwelling units or dwelling sites must be designed and located to meet the dimensional standards in Sections 6.41, 6.42, and 6.43: 10.54. This provision allows very high densities leading to overcrowding of surface waters and increases the risk to phosphorus sensitive lakes and sensitive shoreline areas. Even without this density bonus provision, the Shoreland PUD allows for significantly greater density over standard lot and block subdivisions due to design flexibility of not requiring a minimum lot size. Local governments concerned about overuse of surface waters, degradation of water quality, compatibility with adjacent development, and overall community character should omit or reduce this density bonus provision. 10.61.D MR 6120.3800 Subp. 5.B.3.(b) states that dwelling units must be designed to meet/exceed the dimensional standards for OHWL setback, elevation, height.