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<br />~(- <br />) <br /> <br />~ <br /> <br />~~ <br /> <br />.'/'Uol-29-2001 12:00 <br /> <br />BRW <br /> <br />612 373 6526 P.Ol/0l <br /> <br />. <br /> <br />.. <br /> <br />URS <br /> <br />MEMORANDUM <br /> <br />ThresheT Square <br />700 Thil"d Stt~ Soulh <br />Minno.polis, MN 55415 <br />Phone: (612) 370-0700 <br />Pax: (612) ~70-1378 <br /> <br />To: <br /> <br />Aaron Parrish, <br />Arden Hill City Planner <br /> <br />Copy: Greg Brown, URS File: 37951-005-2001 <br /> <br />From: <br /> <br />Nick Landwer, PE <br /> <br />Date: <br />Subject: <br /> <br />November 29, 2001 <br />County Road D and Cleveland A venue Site Plan, Plan Review <br /> <br />I have reviewed the site plan for the proposed development on the northea~t comer of the <br />intersection of County Road D and Cleveland A venue. Following are my comments: <br /> <br />1. Jt appears theR: could be potential drainage problems with the drainage/grading design. The <br />proposed drainage design h3$ substalllial amount of site runoff flowing ITom the driveway <br />entrances into County Road.D and Clevel.and A venue. Runoff from the site. into the <br />roadways should be limited by modifying the proposed grade or by adding catchbasins. <br /> <br />There is a1~0 a concern of potential flooding of the properties to the nurth from the ~ite runoff <br />via the ditch on the north side of the property. An alternative collection area could be a swale <br />in the boulevard at the intersection comer with an outlet piped to the existing stormsewer. <br /> <br />Thedevelopershould submit existing and proposed drainage calculations for the site runoff <br />to the City Engineer for review. <br /> <br />2. Rice Creek Watershed District will require the developer to apply for a drainage pemlit and <br />provide for stounwater runoff treatment. <br /> <br />3. The developer should submit a detailed utility plan. <br /> <br />4. Details are not clear on the heights of the proposed retaining walls. Some of the taller <br />sections of wall will require safety railings. <br /> <br />5. The proposed area drain in lhe lower level will be required to drain into the storm drainage <br />s~tem. A detail of the connection should be included in the utility plan. It appears that a <br />sump pump will be required for th.is drain. This shall not be connected to the sanitary sewer <br />service. <br /> <br />6. The ramp on [he west side of the proposed building is very steep at 12.75%. This ramp <br />should not be used for public access. <br /> <br />TOTAL P.OI <br />