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Ms. Katie Larsen <br />10/03/2025 <br />Page 2 <br />Erickson Property Development - Engineering Review <br />Comments: <br />1. Provide EOF elevations, locations and routes for all low points in the paved and <br />greenspaces. <br />Landform (8/11/2025) Updated - See plans <br />WSB (9/3/2025) Additional locations are needed <br />Landform (8/11/2025) Additional EOFs provided. See updated plans, and sheets <br />C2.1, C3.1, C4.1, C5.1, and C6.1. <br />WSB (9/26/2025) Complete <br /> <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 />Landform (8/11/2025) Additional spot elevations and EOF locations have been <br />added. See updated plans. And sheets C2.1, C3.1, C4.1, C5.1, and C6.1. <br />WSB (9/26/2025) Complete <br /> <br />3. Label all inlet elevations <br />Landform (8/11/2025) Updated - See plans <br />WSB (9/3/2025) Additional locations are needed <br />Landform (8/11/2025) Spot elevation at inlets have been added. See sheets C3.1 <br />and C5.1. <br />WSB (9/26/2025) Complete <br /> <br />4. Replace the eastern existing FES with CBMH and utilize the existing rear swales <br />from Watermark 5th/6th (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 />Landform (8/11/2025) FES and existing 15" RCP pipe will be removed. Hole <br />plugged, rim lowered to 904.0 as suggested. See sheet C3.1 and C5.1. <br />WSB (9/26/2025) A revised eastern grading exhibit will be distributed for <br />discussion early next week. This exhibit will need to be discussed internally <br />and with both Hampton/Landform and Watermark/Carlson to finalize <br />Landform (9/30/2025) Acknowledged <br />WSB (10/3/2025) Marked up grading plan provided – Coordinate grading and <br />structure work on adjacent properties with existing residents and Lennar. <br />Update grading plan following finalization of elevations with Lennar/Carlson. <br /> <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 />Landform (8/11/2025) Additional EOF's have been added. 1' freeboard <br />requirement met. See sheet C3.1 <br />WSB (9/26/2025) A revised eastern grading exhibit will be distributed for <br />discussion early next week. This exhibit will need to be discussed internally <br />and with both Hampton/Landform and Watermark/Carlson to finalize <br />Landform (9/30/2025) Acknowledged <br />Page 121 of 145