2019.07.16 Planning Commission - Laserfiche WebLink

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SUP Amendment and Site Plan Review; Murlowski Properties Inc. Planning Commission Report; 7-16-19 Page 5 (cont.)  As part of the City’s original findings in 2015 permitting expansion of the operation into the subject area, the City partially supported the expansion by including the following finding:  The 130' x 656' segment of expansion property from Old Highway 8 NW west to the equipment storage area will be preserved in a natural condition so as to provide additional buffer when the site is viewed from the east. This finding refers specifically to the future roadway location. While not a requested change at this time, we wanted to make the Planning Commission and City Council aware of this possibility moving forward. Should either body believe the new entryway is not even worthy of study and discussion, letting the applicant know that now will ultimately save all parties time and effort moving forward. Water Systems:  No changes proposed/required to water services. Sanitary Systems:  No changes proposed/required to sewer services. Storm Sewer Systems:  Engineering Comment: The proposed rubble pile is shown over a storm sewer line that was discussed during previous site use changes. Flow from this pipe appears to be compromised from previous settlement of landfill materials. Based on this the NWL/HWL of Rush Lake can be affected, and the pipe is holding debris. The pipe is a 36” diameter storm sewer pipe that serves as the outlet of Rush Lake that was installed in 1963. It runs from Rush Lake to the north through the Belair property to the northerly City Limits, and it then changes direction to the west and outlets to Rice Creek. The City has concerns about the placement of additional material over this pipeline causing the pipes to collapse due to the increased loading. Belair has indicated a willingness to install a new outlet pipe at a location that is not below the proposed piles. Plans for a new pipe must be shown (with the preferred location being the SW corner of the site). Easements over City Storm Sewer need to be shown. Sound Wall:  Wenck, the company that has produced and overseen the sound mitigation plans on this property dating back to 2008, produced Addendum #6 (attached) to the sound mitigation plan as part of this application.  The new Addendum calls for construction of the sound mitigation wall extension to meet specific standards in terms of location, length, and materials; and concludes that doing so will keep all noise to within previously approved limits.  The sound wall extension design must be approved by a structural engineer