2022 10 Drainage Statement Signed

10 Hydrograph Summary Report Hydraflow Hydrographs by Intelisolve v9.1 Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph No. type flow interval peak volume hyd(s) elevation strge used description (origin) (cfs) (min) (min) (cuft) (ft) (cuft) 1 SCS Runoff 4.157 1 724 14,244 ---- ------ ------ Existing Site (Impervious) 2 SCS Runoff 0.532 1 724 1,573 ---- ------ ------ Existing Site (Pervious) 3 Combine 4.689 1 724 15,817 1, 2 ------ ------ Existing Total 5 SCS Runoff 3.761 1 724 12,888 ---- ------ ------ Proposed Site (Impervious) 6 SCS Runoff 0.882 1 724 2,590 ---- ------ ------ Proposed Site (Pervious) 7 Combine 4.643 1 724 15,477 5, 6 ------ ------ Proposed Total 2021-11-01 2, 10, 100 yr.gpw Return Period: 10 Year Monday, Oct 24, 2022