Criteria
|
SCS Method
|
Rational Method
|
---|---|---|
Surface conditions
|
Meadow
|
Average cultivation or light growth R = (0.20
to 0.40)
|
Collection system
|
15-year storm (residential)
|
15-year storm (residential)
|
25-year storm (business)
|
25-year storm (business)
| |
Storage
|
100-year storm
|
100-year storm
|
Emergency spillway
|
100-year storm
|
100-year storm
|
Soil type
|
A, B, C, D as determined by map (Hydrologic
soils) (title)
|
Loam
|
Intensity
|
SCS Method
|
Borough-adopted rainfall curves
|