V3 RESUBMISSION Stormwater Management Report Rev 2 Dated November 3 2022

2 Hydrograph Return Period Recap Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2023 Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph No. type hyd(s) Description (origin) 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr 1 SCS Runoff ------ ------- 3.212 ------- ------- 4.905 ------- ------- 8.166 DA-1A (Roof) 2 SCS Runoff ------ ------- 2.997 ------- ------- 6.814 ------- ------- 15.09 DA-2 (Pervious) 3 SCS Runoff ------ ------- 3.437 ------- ------- 5.250 ------- ------- 8.739 DA-2 (Impervious) 4 SCS Runoff ------ ------- 5.223 ------- ------- 11.88 ------- ------- 26.29 DA-3 (Pervious) 5 SCS Runoff ------ ------- 3.888 ------- ------- 5.938 ------- ------- 9.885 DA-3 (Impervious) 6 SCS Runoff ------ ------- 0.481 ------- ------- 3.743 ------- ------- 13.41 DA-4 (Pervious) 7 SCS Runoff ------ ------- 3.043 ------- ------- 4.647 ------- ------- 7.736 DA-4 (Impervious) 8 Combine 2, 3, ------- 6.176 ------- ------- 11.70 ------- ------- 23.34 DA-2 9 Combine 4, 5, ------- 8.718 ------- ------- 17.27 ------- ------- 35.49 DA-3 10 Combine 6, 7, ------- 3.173 ------- ------- 7.872 ------- ------- 20.32 DA-4 11 Reservoir 10 ------- 1.694 ------- ------- 5.580 ------- ------- 16.11 Basin #3 12 Reservoir 1 ------- 1.308 ------- ------- 3.723 ------- ------- 8.123 Basin #1A 13 Reservoir 9 ------- 4.882 ------- ------- 14.61 ------- ------- 31.02 Basin #2 14 SCS Runoff ------ ------- 4.931 ------- ------- 7.530 -------

------- 4.882 ------- ------- 14.61 ------- ------- 31.02 Basin #2 14 SCS Runoff ------ ------- 4.931 ------- ------- 7.530 ------- ------- 12.54 DA-1B (Roof) 15 Reservoir 14 ------- 2.451 ------- ------- 6.009 ------- ------- 12.46 Basin #1B 16 Combine 8, 11, 12, ------- 14.78 ------- ------- 39.73 ------- ------- 86.57 <no description> 13, 15 Proj. file: Proposed Conditions.gpw Wednesday, 11 / 2 / 2022