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Preliminary Plat Application <br />Tanager Creek <br />Page 2 <br /> <br />H:\ORNO\_Surface Water Management\MS4 Administration\MCM-5_Post-Construction Stormwater Management\2_Site Plan Reviews\2022\Tanager Creek - Preliminary <br />Plat\Tanager Creek_PrePlatReview_2022-02-09.docx <br /> <br />3. The applicant will be required to obtain the following permits and provide a copy of any <br />approvals required prior to Final Plat approval: <br />a. Sanitary Sewer Extension Permit <br />b. Hennepin County Access Permit <br />c. Minnehaha Creek Watershed District (MCWD) <br />d. NPDES General Construction Permit <br />4. The private street should be operated and maintained per the City’s standard agreement. <br />5. The required cul-de-sac radius is 40 ft for pavement and 50 ft for ROW. The proposed cul-de- <br />sac indicates a radius 45 ft, and 50 ft for the ROW. <br />6. The addition of three additional services should not exceed the capacity of the adjacent <br />forcemain. However, the Brown Road forcemain should be reviewed further to ensure the <br />capacity is adequate and the system does not require additional improvements. <br />7. The Final utility plan will need to show the curb stops for the forcemain stubs, a terminal <br />flushing connection at the end of the forcemain, and a profile for improvements indicated. <br />8. The applicant will be required to submit a Maintenance Agreement for all stormwater <br />management structures and facilities. The agreement must define maintenance responsibilities <br />following completion of project, specify types and frequencies of inspection and maintenance <br />activities, designate who will conduct inspection and maintenance activities, and outline <br />reporting requirements. The Agreement will be recorded with the County per the City’s <br />approval process. <br />9. Drainage and Utility Easements must be provided as follows: <br />a. Over all sanitary forcemain. <br />b. Over all stormwater management facilities used to meet regulatory requirements, including <br />access routes. <br />c. Over all wetlands, creeks, and buffers. <br />d. All swales, structures, and piping providing drainage for multiple properties. <br />e. 5’ along all side lot lines, unless adjacent to Development boundary. <br />f. 10’ along all front lot lines, rear lot lines, and adjacent to Development boundary. <br /> <br />If you have any questions or comments, please contact me to discuss. <br /> <br />Sincerely, <br />Bolton & Menk, Inc. <br /> <br />Robert E. Bean, Jr., P.E. <br />Water Resources Engineer <br /> <br />CC: Adam Edwards, Director of Public Works / City Engineer