7.6. SR 03-21-2016 - Laserfiche WebLink

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Storm Water: The property will be re -platted prior to the project beginning to remove the area needed for the Yale Ct extension. After the property is re -platted the site will be less than 1 acre and therefore not require an NPDES permit. Soil testing to confirm ground water levels is planned to begin after the project is approved from the planning commission and city council and will be part of the final PUD requirements. At this time a Variance to allow for an 18" separation is requested since the lower lever is a parking garage and not a habitable space. Additionally, we will install active pumps and water management to prevent the ground water from permeating into the lower parking garage floor. Current plans and ground water levels suggest we will have 2' of separation. Extension of the existing stormwater pond will result in the proposed site not being compatible with the Ecology project. All efforts to redesign the project have not worked, as such, it is requested that the storm water pond expansion be limited to the extent it does not impact the current site design. I have enlisted an engineer to review the feasibility report provided by the city to help determine if other options exist for stormwater management. Attached is a written narrative of other options at the cities disposal for stromwater management. The FAST plan is not finalized and as such it is open to the possibility of redesign and the timetable for the proposed expansion is not set in stone therefore I believe it would be inappropriate to prevent this project from moving forward under the presumption that the existing stromwater plan would need to be expanded when alternative options are feasible. I request the planning commission recommend Ecology with the understanding that future stormwater needs can be addressed if needed in other manners. I believe such a significant building as ecology and the 5 acres of land the city will acquire along the Mississippi River will have a far more positive impact on the future of the area and the city as a whole then a .1 acre expansion to a stormwater plan. Fire Department: The site plan has been update to show proposed fire access lanes that should meet the requirements