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'0b <br /> City of Memorandum <br /> Elk <br /> iffier <br /> To: Planning Department <br /> From: Brandon Wisner, Stormwater Coordinator <br /> Date: March 8,2018 <br /> Subject: Site Plan Review - February 2018 <br /> The department listed above has reviewed the application listed below and has the following <br /> comments: <br /> Case #CU 18-05, Dennis Sharp— Sharp &Associates, 15585 Edison Street NW— <br /> Edison Boat & RV Storage <br /> 1. Submit full SWPPP, HydroCAD and MIDS report. <br /> 2. Submit project description along with pre and post rate table. <br /> 3. Will the proposed `pond' basins be lined? <br /> 4. Has the groundwater elevation been determined? <br /> 5. Pre-treatment is required for infiltration basins, the two south basins treatment direction <br /> may need to be switched. <br /> 6. Submit electronic plans, the current ones are difficult to read. <br /> 7. NPDES permit must be issued prior to construction starting. <br /> Case #P 18-03, Royal Oaks Realty, Inc. —13707 185`''Ave NW—Preliminary Plat, <br /> Riverplace Second Addition <br /> 1. Have soil borings been done to determine the groundwater elevation? <br /> 2. Lake Orono is impaired for nutrients, provide all specific NPDES requirements. <br /> 3. Submit full SWPPP and MIDS report. <br /> 4. How will pond#1 hold water at elevation 876'?If so,will it be lined? <br /> 5. How will pond #1 overflow to infiltration area#1? <br /> 6. Show 100 year flood elevation on plan. <br /> 7. Rip rap is not allowed at culvert ends, articulated block is to be used in accordance with <br /> city specifications. <br /> 8. Redundant sediment control is required upland of all water resources and infiltration <br /> basins during active construction,update accordingly. <br /> 9. Show limit of disturbance line along the entire North side of the site adjacent to Lake <br /> Orono. <br /> 10. Show proposed driveway slope percentage for each lot. <br /> PowE � � u � r <br />