is released through an outlet control structure to the proposed stormwater conveyance system and discharged via the proposed scour hole.
Study Area West Undetained: The area consists of 0.31 acres in the northern, southern, and western portions of the site which includes open, grassy areas. Under proposed conditions, stormwater runoff captured in this area will run offsite via overland flow.
Proposed Conditions Input Summary Table
| Drainage Area Name | Drainage Area (acres) | Time of Concentration (minutes) | Curve Number (CN) |
|---|---|---|---|
| Study Area WQ MTD A-110 – Imp. | 0.61 | 1.9 | 98 |
| Study Area WQ MTD A-110 – Perv. | 0.02 | 2.9 | 39 |
| Study Area WQ MTD A-110 – Total | 0.63 | -- | -- |
| Study Area Roof – Imp. | 0.11 | 0.8 | 98 |
| Study Area Roof – Total | 0.11 | -- | -- |
| Study Area West Undetained – Perv. | 0.31 | 2.7 | 39 |
| Study Area West Undetained – Total | 0.31 | -- | -- |
Proposed Conditions Flow Summary Table
| Current Rainfall Data | Projected Rainfall Data | |||||
| Drainage Area Name | Q2 (CFS) | Q10 (CFS) | Q100 (CFS) | Q2 (CFS) | Q10 (CFS) | Q100 (CFS) |
|---|---|---|---|---|---|---|
| Study Area WQ MTD A-110 – Total | 1.30 | 2.05 | 3.65 | 1.54 | 2.42 | 4.41 |
| Study Area Basin A – Total | 1.53 | 2.42 | 4.30 | 1.81 | 2.86 | 5.20 |
| Study Area West – Total | 0.00 | 0.02 | 0.80 | 0.00 | 0.05 | 1.22 |
Study Area Road Undetained: The area consists of 0.12 acres in the eastern portion of the site which includes open, grassy areas and asphalt pavement. Under proposed conditions, stormwater runoff captured in this area will run offsite via overland flow.