12/10/2025 PZ Combined Packet - Laserfiche WebLink

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Ms. Katie Larsen 12/03/2025 Page 5 Hill (11/10/2025) N/A. 18.BMP outlet slopes should match between HydroCAD modeling and utility plans (ignoring backsloped skimmer pipes). Hill (11/10/2025) Revised as recommended. 19. Based on the modeled results, culvert 2P will overtop Peltier Lake Dr in all storm events. Potential pipe replacement should be explored to minimize road overtopping. Hill (11/10/2025) The road overtops in the existing condition. The proposed condition improves the situation by reducing the flooding frequency. WSB (12/3/2025) Dual culverts are still recommended to further reduce overtopping. 20. What is the purpose of the southern node of Pond 2.6? If it is proposed to be excavated for additional onsite fill, please label it separately as a lake to be consistent with other developments in the City. Hill (11/10/2025) The deep pond cells are excluded from the dead storage calculations. Upstream NURP dead storage provide the required water quality. 21. What is the purpose of the eastern node of Pond 4.1? If it is proposed to be excavated for additional onsite fill, please label it separately as a lake to be consistent with other developments in the City. Hill (11/10/2025) The deep pond cells are excluded from the dead storage calculations. Upstream NURP dead storage provide the required water quality. 22. All proposed pond overflows need riprap stabilization. Hill (11/10/2025) Will be detailed/included with final plans. WSB (12/3/2025) Noted, remains an open comment. 23. Erosion control blankets are needed on all slopes 4:1 and steeper, including pond slopes above the OLE. Blanket is proposed on all slopes steeper than 4:1. If blanket is Hill (11/10/2025) required on 4:1 slopes, it will be included with the final plans. WSB (12/3/2025) It is not clear based on the hatching of the erosion control sheets if pond slopes will get erosion control blankets or just wet ditch seeding. Additionally, erosion control blankets will be needed for the proposed steep slopes west of the intersection of Streets G and H. 24.Review tree planting against storm sewer plans to minimize overlap and reduce potential root intrusion on storm sewer. For example, trees near the pipe between CBMH-407 – STMH-406 and CBMH-251 – FES-250 should be shifted farther from the pipe alignment. Hill (11/10/2025) Landscape plan has been revised to the new site plan and utility layout as recommended. 25. Tree plantings should be removed from the 60” trunkline easement boundary to avoid potential future maintenance concerns. Hill (11/10/2025) Revised as recommended. 26. WSB (12/3/2025) Pond 6 should have a 10’ bench, at least on the side nearest homes for safety. Peltier Ponds Development - Engineering Review