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LBG 38, LLC ES-4011.05 <br /> February 9, 2017 Page 3 <br /> Existing sloped topography and <br /> T5.10R Downspout dispersion systems existing stormwater runoff flooding and <br /> (Volume III, Chapter 3) No erosion concerns noted by neighbors <br /> of the subject site indicate infeasibility <br /> of dispersion. <br /> T5.10C: Perforated stub-out connections Unweathered glacial till soil will <br /> (Volume III, Chapter 3) N0 interfere with the trench bottom. <br /> Other Hard Surfaces <br /> Existing sloped topography and <br /> existing stormwater runoff flooding and <br /> T5.30: Full dispersion (Volume V, Chapter 5) No erosion concerns noted by neighbors <br /> of the subject site indicate infeasibility <br /> of full dispersion. <br /> T5.15: Permeable pavement (Volume V, Unweathered glacial till soil will <br /> Chapter 5) N0 interfere with the pavement base. <br /> The unweathered glacial till soil <br /> deposits observed at relatively shallow <br /> depths generally exhibit very poor soil <br /> Bioretention (Volume V, Chapter 7) No infiltration characteristics; the <br /> presence of the unweathered glacial <br /> till soil deposits and sloped topography <br /> indicate infeasibility for bioretention. <br /> Existing sloped topography and <br /> T5.12: Sheet flow dispersion existing stormwater runoff flooding and <br /> T5.11: Concentrated flow dispersion (Volume No erosion concerns noted by neighbors <br /> V, Chapter 5) of the subject site indicate infeasibility <br /> of full dispersion. <br /> Earth Solutions NW,LLC <br />