2300 KASCH PARK RD PAVEMENT MAINTENANCE AND RENOVATION 2022-02-17

List of Figures Figure1-1: Vicinity Map................................................................................................................................1 Figure3-1: DOE SMMWW Figure 2.4.2.......................................................................................................3 Figure3-2: COE SMM Figure 2.1.................................................................................................................4 Figure3-3: COE SMM Figure 2.2.................................................................................................................5 Figure 4-1: On -Site and Off -Site Drainage Map...........................................................................................8 Figure 4-2: 4-Inch Inlet Pipe into West End of Bioswale............................................................................10 Figure 4-3: Bioswale — Provides Water Quality Treatment along Southern Edge of Parking Site.............10 Figure 4-4: Catch Basin at Downstream End of Bioswale..........................................................................11 Figure 4-5: 8 inch HDPE Outfall Pipe from Bioswale into Wetland 3.........................................................11 Figure 4-6: Looking East into Wetland 3 — Downstream of 8 inch HDPE Outfall Pipe from Bioswale ....... 12 Figure 4-7: Looking Northeast at 24-Inch HDPE Pipe Outfall into Wetland 3 — Located to the North of 8 inch HDPE Outfall Pipe from Bioswale...........................................12 Figure 4-8: Looking Northeast at 30-Inch HDPE Overflow Pipe Outfall into Wetland 3 — Located at Northwest corner of Wetland 3...............................................................................13 Figure 4-9: Looking East along Wetland 3.................................................................................................13 Figure 4-10:Looking East along Wetland 3 — Towards Kasche Park..........................................................14 Figure 4-11:Looking West at Beaver Deceiver............................................................................................14 Figure 4-12:Looking at 30-Inch Concrete Culvert Inlet — Conveys Runoff East Beneath Kasch Park Rd towards Kasch Park......................................15 Figure 4-13:Looking West at Drainage Structure in Parking Island of Kasch Park.....................................16 Figure 4-14:Looking East toward Grass Lined Open Trapezoidal Channel in Kasch Park ........................16 Figure 4-15:Looking West toward 30-Inch Concrete Culvert Inlet into Grass Lined Open TrapezoidalChannel................................................................................................................17 Figure 4-16:Looking East along Grass Lined Open Trapezoidal Channel in Kasch Park ..........................17 Figure 4-17:Looking East at Outfall of Open Trapezoidal Channel into 12 inch HDPE Culvert to DrainageStructure...................................................................................................................18 Figure 4-18:Looking South at 30-Inch Concrete Inlet to Concrete Rectangular Open Channel and Upstream Drainage Structure..................................................................................................18 Figure 4-19:Looking South at 30-Inch Concrete Inlet into Concrete Rectangular Open Channel ..............19 Figure 4-20:Looking North along Concrete Rectangular Open Channel....................................................19 Figure 4-21:Looking North along Concrete Rectangular Open Channel....................................................20 Figure 4-22:Looking East along Runoff Flow Path into Loganberry Lane Park Wetland ............................20 List of Tables 5-1: Site Area Summary ..............................................................................................................................21 KPFF Consulting Engineers A