09-13-1993 Council Packet - Laserfiche WebLink

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Zoninp File #1852 August 13, 1993 Page 2 Additional Inforniatlon to Assist Members in Their Review of the Application A. 10 cubic yards = 1 dump truck load B. 20.000 cubic yards of fill placed in a 12-acre area produces 1’ of vertical rise. Total 100,000 cubic yards would result in 5' vertical rise. History of Property Mr. Eisinger purchased the property in 1955 and in 1958 through 1970 operated a .sanitary landfill (received garbage and refuse). The applicant obtained an annual license from the City each year of operation. In 1974 the applicant applied for a demolition landfill license from the City but was denied. Applicant estimates that there was anywhere from 6" - 8" to appro.ximately 2’ of fill over the former dump prior to recent filling projects. It was applicant ’s former practice when operating dump to place 6" - 8" of clean fill over new dump areas. Review of Application Applicant received approval for a total of 100.000 cubic yards in the original conditional use pennit. A major concern during that review was the potential impact on adjacent wetlands. The Engineer was concerned that the additional load on the site could force organic materials to move out causing a rise in the marsh area outside the till site. Review E.xhibit K. Braun Engineering provided a report during the first review noting tliat there would be slight risk of shear failure if 5’ of soil would be placed above the top of the existing landfill. This report was based on fill being limited to l(X),(XX) cubic yards. The current proposal seeks approval of an additional 70.(XX) cubic yards as 30.000 cubic yards have already l>een either received or will be received within the ne.xt few nionllis. Review E.xhibit G. Gustafson's report notes that it additional fill over the total 100.000 cubic yards is to be requested by applicant in the future that a geotechnical study of the area be submitted w ith application. Please note that the original CUP of 1987 sought approval of 200.000 cubic yards and w as held to 100.(XK) cubic yards based on the technical facts provided for that review. Applicant must provide updated juTuiits lor the tilling ol an additional 70.000 cubic yards. It should be noted that the DNR and Hennepin County Conservation District will not require review or permits as applicant will not be tilling wetlands. Applicant will have to provide updated review and approvals trom the .Minnesota Pollution Control Agency, Hennepin County Department of Environment and Engineering, and the Minnehaha ( reek Watershed District. Staff nt)ted in the Minneh.iha Creek Watershed District’s review of the most current CUP that a gt,iding plan and erosion control detail were submitted in May of 93. The City would request copies of the plans.