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r.,. <br />i; <br />I. <br />determination of expansions. Expansions exceeding these limits <br />must be processed as conditional uses and meet the standards in <br />this part. <br />Subp. 3. Information requirements. Provisions for <br />submission of adequate information by project proponents must be <br />included in official controls. The provisions must include at <br />least the following: <br />A. a site plan for the project showing property <br />boundaries* surface water features* existing and proposed <br />structures* sewage treatment systems* topographic contours at <br />ten-foot intervals or less* and other facilities; and <br />B. documents that explain how the project is designed <br />and will function. These ordinarily include covenants that <br />require membership in a property owners association* various <br />easements* a concept statement describing the project* floor <br />plans for structures, and various other drawings or plans. <br />Subp. 4. Dwelling unit or site density evaluation. <br />Proposed new or expansions to existing planned unit developments <br />must be evaluated using the following procedures and standards: <br />A. The project parcel must be divided into tiers by <br />locating one or more lines approximately parallel to a line that <br />Identifies the ordinary high water level at the following <br />intervals* proceeding landward: <br />Shoreland Tier Dimensions <br />Unsewered Sewered <br />(feet)(feet) <br />200 200 <br />267 200 <br />267 267 <br />400 320 <br />300 300 <br />General development lakes - first tier <br />General development lakes - second and <br />additional tiers <br />Recreational development lakes <br />Matural environment lakes <br />All river classes <br />B. The area within each tier is next calculated* <br />excluding all wetlands* bluffs, or land below the ordinary high <br />water level of public waters. This area is then subjected to <br />either the residential (subpart 5) or commercial (subpart 6) <br />planned unit development density evaluation steps to arrive at <br />an allowable number of dwelling units or sites. <br />Subp. 5. Residential planned unit development density <br />evaluation steps and design criteria. The density evaluation <br />steps and design criteria for residential planned unit <br />developments are contained in items A to D. <br />A. The area within each tier is divided by the single <br />residential lot size standard for lakes or* for rivers, the <br />single residential lot width standard times the tier depth <br />A-1.38