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Highpointe Crossing - 2298 Inwood Ave N – Lake Elmo – Preliminary Plat Narrative <br />February 26, 2026 <br />Page 11 <br /> <br />11 <br /> <br />f. Storm water BMP accesses provided that are 20’ wide and do not exceed 10% slope. <br />g. Subsurface Sewage Treatment Systems (SSTS) <br />h. Provided compliant locations, County approval letter and soils borings to City. <br />i. We show conceptual grading around all homes and septic areas to demonstrate how <br />grading and compliance can be achieved. <br />2. Roadways <br />a. Using City rural road standard 804 without sidewalk (added 3% cross section). <br />b. Providing turn lane as requested by Washington County <br />3. Wetlands <br />a. All wetlands are within lots and protected by Drainage and Utility easements <br />4. Water <br />a. Include the use of PVC vs. Ductile Iron pipe. We understand that updated City standards <br />are in progress. <br />b. Add a PRV valve within a D & U adjacent to Lot 1, Block 2. <br /> <br />N- Conclusion <br />We look forward to discussing our Residential Estate plans with the Planning Commission and City <br />Council. <br /> <br />Paul Robinson <br />Development Director, Rachel Development