12-14-2020 Council Packet - Laserfiche WebLink

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5 The preliminary plat is consistent with the comprehensive plan for low density residential development and zoning code requirements for R-1, Single Family Residential as discussed above. Blocks and Lots The preliminary plat contains Lot 1 and Lot 2, Block 1, Bald Eagle Addition. As noted above, Lot 1 contains the existing house and Lot 2 proposes a new single family home. Streets and Alleys Lot 1 is served by Elm Street which is a major collector road. The existing road right-of-way width is 66 ft. Section 302.03(1)(a) requires 80ft of road right-of-way width. An addition seven (7) ft of road right-of-way s hall be dedicated on the plat. Lot 2 is served by Second Avenue which is also a major minor collector road requiring 80 ft of road right -of-way width. The existing road right-of-way width is 80 ft. No addition right-of- way is required. Easements Drainage and utility easements at least ten (10) feet wide are required and shown along all lot lines. Storm Water Management and Erosion and Sediment Control Per the City Engineer’s memo dated October 29, 2020, the Bald Eagle Addition includes site grading for the proposed house pad on Lot 2 and minimal site grading. Because the new impervious surface of 4,393 sf is less than 10,000 sf, the project does not require Stormwater Management. However, staff has reviewed the drainage in this area and is concerned that the proposed Lot 2 will direct more water towards adjacent properties and trap water near the eastern property line as the area is flat and landlocked. The drainage along the south property line of Lot 2 is shown to be directed to the northwest (rear of the lot), avoiding runoff to the adjacent property to the south. A rear yard structure or surface water storage may be required. Utilities Sanitary Sewer An 8” sanitary sewer main exists along both Elm Street and Second Avenue. The existing hous e is connected to municipal sanitary sewer. The new house will also be connected to municipal sanitary sewer. Watermain A 12” watermain exists along Elm Street. The existing house is connected to municipal watermain.