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Ms. Katie Larsen <br />09/03/2025 <br />Page 2 <br />2.Show all high and break points <br />Landform (8/11/2025) Updated - See plans <br />WSB (9/3/2025) Additional locations are needed <br />3.Label all inlet elevations <br />Landform (8/11/2025) Updated - See plans <br />WSB (9/3/2025) Additional locations are needed <br />4.Replace the eastern existing FES with CBMH and utilize the existing rear swales <br />th <br />from Watermark 5th/6 (see redline comments) eliminating the proposed swale on <br />the Erickson Property lots. <br />a.Consider removing FES and pipe and converting STMH to CBMH <br />Landform Response (8/11/25) – Existing FES will be changed to a CHMH. <br />See Plans. <br />WSB (9/3/2025) Lower or replace existing STMH RIM elevation to 904.0; <br />convert to slotted rim CBMH; remove FES and pipe <br />b.Minimum freeboard requirement between EOF and proposed/existing Lowest <br />Opening Elevations (LOE) is 1' <br />Landform Response (8/11/25) – Acknowledged. <br />WSB (9/3/2025) Additional locations are needed <br />c.Utilize current grading as-builts/plans for Watermark <br />Landform Response (8/11/25) – Understood. <br />WSB (9/3/2025) Show existing EOFs and proposed contours should maintain <br />minimum 2% slope <br />5.Drainage from one lot to another requires drainage and utility easement <br />Landform Response (8/11/25) – Updated. See Plans. <br />WSB (9/3/2025) Complete <br />6.Propose future 'ghost' grading including roadway for remaining area between <br />Erickson Property and Watermark 6th to justify temporary retaining walls and how <br />they will be removed in the future <br />Landform (8/11/2025) Retaining walls removed <br />WSB (9/3/2025) Propose future 'ghost' grading including roadway for remaining area <br />between Hampton Property and Watermark 6th to show how future elevations will <br />work and how they can be achieved transitioning from proposed to future lots <br />a.This may include temporary retaining walls or easements on the proposed <br />lots <br />b.Further discussion regarding retaining wall location, ownership, and future <br />maintenance will be required <br />c.Retaining walls exceeding 4’ in height shall require a plan prepared by a <br />Minnesota licensed structural engineer submitted for review and approval by <br />the Building Official prior to permit issuance <br />i.Provide fences for safety as required. <br />7.Driveways/Garages will need to be on the southern sides of the two most northern <br />lots with the temporary cul de sac. <br />Landform (8/11/2025) Updated - See plans <br />WSB (9/3/2025) Driveway slopes do not appear adjusted <br />Erickson Property Development - Engineering Review <br /> <br />