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Ms. Katie Larsen <br />10/03/2025 <br />Page 9 <br />Erickson Property Development - Engineering Review <br /> <br />7. WSB (9/3/2025) Provide both the directional bore length and the total pipe length <br />Landform (8/11/2025) Pipe length and bore length shown as callout on plan a <br />profiles. See updated sheet C4.1. <br />WSB (9/26/2025) Complete <br /> <br />8. WSB (9/3/2025) Sanitary sewer directly under existing storm sewer structure <br />a. Show boring pit locations <br />b. How will storm sewer be protected during construction <br />Landform (8/11/2025) Bore pit locations added to plan and profiles. Bore will <br />occur below existing storm structure to limit impact to existing storm structure. <br />See sheet C4.1. <br />WSB (9/26/2025) Complete <br /> <br />9. WSB (9/26/2025) Update Existing Sanitary Sewer Manhole Connection detail <br />Landform (9/30/2025) Detail has been updated. See detail C7.2/2. <br />WSB (10/3/2025) Clarify phasing of proposed connection to the structure from the <br />west with trench box at preconstruction meeting <br /> <br /> <br />• Transportation <br /> <br />The proposed roadway is consistent with the original Watermark preliminary plat. The <br />work in this development includes extending Osakis Street, proposed to be 32’ wide from <br />back-of-curb to back-of-curb, and installing a temporary cul de sac on the north end. The <br />termination of the curb will need to be further discussed with Public Works/Engineering. <br /> <br /> <br />Trails and sidewalks <br /> <br />A sidewalk is proposed along the west side of the road consistent with the original <br />Watermark preliminary plat. The termination point of the sidewalk will need to be further <br />discussed with Public Works/Engineering. <br /> <br />Comments: <br /> <br />1. Show the restoration limits as a result of the proposed sanitary sewer connection <br />(full-width) <br />WSB (9/3/2025) Complete <br /> <br />2. Include type 3 barricades and future thru street sign at the north end of the temporary <br />cul de sac <br />a. Provide protection for the temporary hydrant <br />WSB (9/3/2025) Complete <br /> <br />3. Further discussions of extending the existing bituminous trail or grading for a future <br />trail along the east side of CSAH 54 (20th Avenue) are needed <br />WSB (9/3/2025) Complete <br /> <br />4. Utilize current street as-builts/plans for Watermark 5th and 6th Additions <br />WSB (9/3/2025) Complete <br /> <br />Page 128 of 145