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Stormwater Management <br />The proposed stormwater management plan will include construction of a stormwater pond on the <br />southeast portion of the property. The land alteration on the site and for the pond will require a <br />permit from the MCWD. The County has provided prelimina*y plans to the City, however final <br />plans will not be available for review by the City Engineer prior to the Planning Commission <br />meeting. If the Planning Commission recommends approval of the permit request a condition of <br />approval should be a submission of final rate control calculations to be approved by the City <br />Engineer. <br />Height and Size Variances <br />The County has a plan to construct the sand/salt storage facility to exceed the maximum allowed size <br />for an oversized accessory structure on a 6.65 acre lot. The Code permits a 2,400 square foot <br />oversized accessory structure on the property. The proposed building is 70 feet X 112 feet in size, <br />7,840 square feet. The same section of the ordinance permits the total aggregate of all accessory <br />structures on this property to be 4,800 square feet. According to the most recent site plan the total <br />proposed square footage for accessory buildings is only the salt/sand storage facility (7,840 square <br />feet). The site plan indicates the building would be located on the northeast comer of the property. <br />1 he final floor elevation for the structure is proposed to be 944.3' which would be a peak height <br />elevation of 986.3'. The Hennepin County site is located at a much lower elevation than the property <br />that surrounds it. The east peak elevation is 972'. Based on the elevation, the peak of the structure <br />would be approximately 14' higher than the adjacent property. The height and size of the building <br />is required to accommodate the storage of materials and the operation within the structure. <br />Hardcover <br />Distance <br />from <br />Shoreline <br />Total Area in <br />Setback <br />Existing <br />Hardcover <br />Allowed <br />Hardcover <br />Proposed <br />Hardcover <br />Variance <br />Requested <br />75-250'499 s.f.386 s.f. <br />(77%) <br />124.75 s.f. <br />(25%) <br />386 s.f. <br />(77%) <br />no change to <br />entrance <br />250-500*40,278 s.f.12,238 s.f. <br />(30.3%) <br />12,083.4 s.f. <br />(30%) <br />12,238 s.f. <br />(30.3%) <br />no change <br />500-1000'242,023 s.f.148,835 s.f. <br />(61%) <br />84,708.05 s.f. <br />(35%) <br />138,188 s.f. <br />(57%) <br />salt/siorage <br />facility, new <br />parking area <br />»2555 Hennepin County* <br />3880 Shoreline Drive <br />Zoning Code Amend-nent Conditional Use Permw Variances <br />1/19 00 <br />Page 6