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Orono Planning Commission Members <br />Mavor Callahan and Orono Councilmembcrs <br />Ron Moorse. City Administrator <br />Jeanne A. Mabusih. Building & Zoning Administrator <br />February 17, 1994 <br />#1901 Tandem Properties. 2645.3025 Watertown Road • Preliminary Subdivision <br />- Continuation of Public Hearing <br />List of Exhibits <br />A - Planning Commission Action Notice 1/28/94 <br />B - Richard LaGarde Ixnter <br />Richard Putnam Transmittal to MCWD <br />8420-0520. 0530. 0540. Sequencing, Replacement Plan, Evaluation Criteria <br />E - Wetland Mitigation Summary by Mark Gronberg <br />F - Wetland Maps by Svoboda <br />G - Survey/Topographic Map of Dougan Property (White Oak) <br />H - White Oak Circle Drainage Plan <br />I - Staff Memo 1/14/94 <br />J - Topo Maps of Luce Line Area <br />K - DNR Letter Received 2/17/94 <br />L - Amended Preliminary Plan <br />Status of Application <br />The application was tabled at the Planning Commission’s January meeting pending <br />resolve of downstream drainage concerns, adequacy of culverts under Luce Line, impact of <br />increased runoff from development on ponding areas adjacent to Luce Line and conceptual <br />acceptance of mitigation plan by Minnehaha Creek Watershed Distnct. <br />Staff has been in contact with all icviewing agencies and has received concepnial <br />direction from both the Corps of Engineers and MCWD. The DNR. after a four-hour meeting <br />with applicant and staff, have approved the drainage plans and have agieed to culvert <br />replacement and alteration of the trail to make the stormwater controls work (review Exhibit ). <br />Please review E.xhibit J, the topographic maps of Luce Line area. The southeast culv^ <br />(18") of the Coffin property will be replaced. The DNR has agreed to allow the trail to be <br />lowered approximatelv 1’ allowing for an emergency overflow to assure residents on nonh side <br />of Luce Line will not be flooded. The DNR has asked that direct drainage to ditch along north <br />side of Luce Line on Coffin property be minimized as much as possible because of the inability <br />to widen and deepen ditches because of the steep elevations adjacent to trail. The DNR has been <br />convinced that we are dealing with a very small watershed. Drainage currently exits property <br />at 18 CFS and will be reduced to 1 CFS. <br />The DNR seemed less concerned with the detention pond in the southwest corner of the <br />Dickey property. Runoff currently exits property at about a 117 CFS and alter development wi^ <br />exit at 84 CFS. Drainage will follow along an existing drainage path to die southwest ana