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■V|i*r » <br />th« City of Orono that mr^ necessary to explain how the PRr will be <br />designed and will function. <br />E. Site "Suitable Area* Evaluation. Proposed new <br />, or expansions to existing PRDs must he evaluated using the <br />^following procedures and standards to determine the suitable area <br />for the dwelling unit/dwelling site density evaluation. <br />m <br />0 1. The project parcel must be divided Into <br />tiers by locating one or more lines approximately panllel to a <br />line that idantifies the Ordinary High Water Leve.. at th-2 following <br />in^tereals, proceeding landward: <br />Shoreland Tier Dimensions <br />■.-.p <br />f'... <br />»; v' - W'- <br />■ ■ <br />Unsewered Sewered <br />(feet)(feet) <br />General development lakes- <br />first tier 200 200 <br />General development lakes - <br />second and additional tiers 267 200 <br />Recreational development lakes 267 267 <br />Natural environment lakes 400 320 <br />Tributaries 300 300 <br />2. The suitable area wlthin each tier is next <br />calculated by excluding frcan the tier area all wetlands# bluffs or <br />land below the Ordinary High Water Level of public waters. This <br />suitable area and the proposed project are then subjected to the <br />PRD density evaluation steps to arrive at an allowable number of <br />‘ dwelling u its or sites. <br />t..‘P <br />V-.•>_ <br />P. PRD 'Allowable Density* Evaluation. The <br />procedures for determining the allowable density of a prd is as <br />fellows t <br />:V'. <br />4%. <br />■’ <br />1. The suitable area within each tier is <br />divided by the single residential lot size standard of the <br />underlyirg zoning district# yielding the allowable number of <br />dwelling units or sites for each tier (Fractions shall be rounded <br />down to the nearest whole number# but may be transferred as noted <br />below). <br />h'- <br />i <br />■ <br />2. Allowable densities or numbers of units <br />or excess fractions of units may be transferred from any tier to <br />any other cler further from the water b'dy# but must not be <br />transferred to any other tier closer. <br />setbacks <br />3. No density increases based on increased <br />or other factors will be allowed. <br />I \ <br />4a G. <br />V-:- <br />»■ -y <br />Maintenance and Administration Requirements. <br />1. Before final approval of a PRD# adequate <br />■ <br />ik