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Page: 3 <br /> <br /> <br /> <br />or the degree of restoration and repair of rutting following each maintenance event, or the degree <br />of vegetation maintenance throughout the BMP site and access road. In the event of homeowner <br />conflict, having full legal right to the property provides for easier enforcement, in the event the <br />homeowner encroaches the BMP or maintenance access road through grading changes, <br />playgrounds, fences, landscaping, and/or accessory structures. <br /> Should the City approve the placement of BMPs on private lots, it is strongly recommended <br />that staff be directed to research and prepare alternative engineering design standards and <br />easement encroachment agreements to address private lot BMPs. Any approval should also <br />clearly indicate that such approval is for Rural Estate Residential Subdivisions only. <br />3. Minimum floor elevations must be at least 2 feet higher than the adjacent 100‐year HWL <br />elevation. In addition, all low opening elevations for all buildings must be at least 1‐ft higher than <br />any adjacent emergency overflow elevation (EOF). Revisions and additional information are <br />required. <br /> The Pond 1 HWL must be a minimum of 2‐ft below the adjacent City owned water booster <br />station (Elevation 1009.91) or 1007.91. The pond must be lowered over 3‐feet which may or <br />may not be feasible in the current location. Stormwater ponding is not advisable in the vicinity <br />of the storm water booster station and should be moved much further away from the facility. <br /> The L1B1 existing building low floor and low opening elevation must be provided on the <br />Sketch Plan for determination of the allowable HWL for Pond 2 and Wetland 5. <br /> The low floor and low opening elevations for the existing Torre Pines home located southeast <br />of Pond 3 is required to establish the maximum HWL elevation for Pond 3. In addition, the <br />applicant is encouraged to meet with the VBWD to assess feasibility of constructing Pond 3 in <br />the proposed location, and review HWL requirements, outfall requirements, and potential <br />mitigation requirements for the protection of the downstream property. <br /> The low floor and low opening elevations for the existing Lake Elmo Heights home located <br />north of Pond 5 is required to establish the maximum HWL elevation for Pond 5. In addition, <br />the applicant is encouraged to meet with the VBWD to assess feasibility of constructing Pond <br />5 in the proposed location, and review HWL requirements, outfall requirements, and potential <br />mitigation requirements for the protection of the downstream property. <br /> The low floor and low opening elevations for the existing Lake Elmo Heights homes located <br />north of Filtration Basins 1E and 2W is required to establish the maximum HWL elevation for <br />BMPs. In addition, the applicant is encouraged to meet with the VBWD to assess feasibility of <br />constructing these BMPs in the proposed locations, and review HWL requirements, outfall <br />requirements, and potential mitigation requirements for the protection of the downstream <br />properties. <br /> The wetland HWL elevations (Wetlands 1‐5) must be determined and shown on any <br />preliminary plat application for the plat application to be deemed complete. All on‐site and <br />off‐site adjacent structure low floor elevations must be a minimum of 2‐ft. above the wetland <br />HWL elevations. <br />4. All pond outfall pipes must discharge in locations that do not create pointed discharges to <br />downstream properties. Off‐site easements may be required. <br />5. All wetland and stormwater basin emergency overflow elevations must be determined and shown <br />on any preliminary plat application for the plat application to be deemed complete. All adjacent <br />on‐site and off‐site structure low floor elevations must be a minimum of 1‐ft. above any adjacent <br />emergency overflow elevations. <br />6. All wetlands and wetland buffers must be protected by easement. It is standard Lake Elmo <br />practice to require wetlands and wetland buffers within Outlots dedicated to the City, however, <br />staff remains amenable to allowing them to remain on private lots protected by easements <br />dedicated to the City for Rural Estate Residential Lots. Wetland, wetland buffers and wetland HWL