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11/2/202I <br />Approach <br />• XPSVVMM 2D <br />- Numerically and graphically estimate where and to <br />what depth inundationnay occur during a given <br />design storm event <br />- Survey data, LiDAR data, Web Soil Survey <br />• Design Storm Events <br />- Worst flooding observed during Spring <br />— 2-year, 24-hourpreclpitatlan eventon frozen ground <br />— 10-year, 24-hour precipitation event on frozen grs7und <br />- "Typical Major Event'. <br />100 year, 24-hour Precipitation event on non -Frozen <br />ground (.9%chance of occuning.in any given year) <br />.5f Ha:aws a e•o�r vraw e. rr e:ir <br />Existing Conditions <br />• Peak Inundation and Depth (>0,2 feet) <br />• Verified drainage issues:. observed: and: as <br />reported <br />Culvert Area - Ineffective Flow <br />• South Area -.Lack of Conveyance <br />• 4076 Scheunerrtan Road - Lack of <br />Conveyance <br />2 <br />