Cass Subdivison Draft 16June2022FULL
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Cass Subdivison Draft 16June2022FULL
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June 16, 2022 <br />70 <br /> <br />not be feasible. Approval of cul-de-sac streets shall be at the sole discretion of the Planning <br />Commission. <br />2. Except where they occur temporarily, cul-de-sacs shall not be allowed where there is a <br />reasonable opportunity to provide for future connections to adjoining streets. If allowed, <br />cul-de-sacs shall normally not be longer than six hundred (600) feet. A transition from the <br />turn-around shall be either a straight line or a curve tangent to the turn around and one <br />hundred (100) feet minimum in length or radius. <br />3. The length of a cul-de-sac street shall be measured from the centerline intersection with the <br />through street to the center point of the turnaround. <br />4. Permanent cul-de-sacs shall have a circular turnaround with a minimum radius of sixty (60) <br />feet. The right of way for the turnaround shall maintain the same distance between the <br />roadway edge and the right of way line as is maintained for the straight sections of the <br />street. <br />5. Temporary cul-de-sacs shall be constructed completely within the right-of-way. Restoration <br />of paved areas within the right of way shall be the responsibility of the developer <br />connecting to the temporary cul-de-sac. <br />6. Any temporary cul-de-sac street designed for access to an adjoining property or for <br />authorized phased development and which is greater than one (1) lot deep shall be provided <br />with a temporary all-weather turnaround within the subdivision. The use of such turnaround <br />shall be guaranteed to the public until such time as the street is extended. <br />7. Preferably, cul-de-sacs will be designed with a below street grade rain garden/bioretention <br />system to treat and retain surface runoff (see Figure 11. Cul-de-Sac Bioretention example on <br />the following page); reducing the total runoff and size of auxiliary retention/detention <br />ponds. Bioretention systems shall be designed using appropriate best management <br />practices (BMP’s) and/or the following: <br />a. The bioretention systems shall not create swampy and/or unmaintainable <br />conditions. <br />b. Utilization of filter strips or other appropriate BMP’s to filter and remove suspended <br />soils to ensure proper functioning and reduced clogging of the bioretention system. <br />c. Designed to pond six (6) to nine (9) inches above filter bed. <br />d. Cul-de-sac infiltration bioretention systems (see Figure 11. Cul-de-Sac Bioretention <br />System Design below) shall be designed using applicable infiltration basin BMPs. <br />e. Vegetated islands shall consist of a minimum of one tree as meeting the <br />requirements in Section 6.05 (z) Subsection 13 Parts f-m of this Ordinance. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />
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