09-14-1998 Council Packet - Laserfiche WebLink

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Minutes, TH 12 DRC Meeting August 5,1998 page 3 ITEM: ITEM: ITEM: consultant contract has been executed and BA can continue working on TH12. 2. Joe stated Long Lake would prefer a temporary crossing at the site of the pedestrian crossing near the Wolf and Fleming properties and asked if Mn/DOT was still considering this as a potential site. Tom stated this location is 90% out as far as being considered as a temporary crossing. The crossing would be very expensive considering the amount of roadway and size of bridge that would have to be built. Orono does not support having a road, temporary or otherwise, constructed in tWs location. Mn/DOT will continue to work on the temporary crossing near Watertown Road. Drainage - Nancy Yoo reviewed the inplace and proposed drainage within the corridor and provided an update on the drainage analysis she has developed so far. She is developing two alternatives, one which perpetuates the drainage as it goes today and the other a diversion of drainage to the Fleming property She identified possible pond locations for reducing the flows in all three cities and is waiting for a response from Long Lake as to whether those sites are possible and whether the city is comfortable with the reduction in the flow going either to Long Lake or being diverted. Ifnot, then where can she have ^ditional pond sites? She has reduced the flow from the inplace condition ping into Long Lake by about 60 cfs. For the diversion alternative, she is proposing to divert only the low flows to the Fleming property. Low flow storms of 2,5, and 10-year are the storms that carry the most pollutants and sediments. Pedestrian Bypass - Mn/DOT has started to develop concepts for the trails in Long Lake and the pedestrian bridge overpass near the Fleming property. We are looking at switch backs, spirals, and coimecting from high point to high pomt as possible ways of getting up to the elevation needed for the bridge clearance over the railroad. We will continue to work with the city to develop acceptable trail concepts. Layout Review - Patti reviewed the layout from one end of the project to the other to identify issues that still need resolution.