van Schilfgaarde
Equation
Example tile drainage system
Input Parameters
=
ft
=
ft
=
=
in
=
ft
=
ft
=
days
Ditch
(any size)
Tile
=
select
4
5
6
8
10
>= 12
N/A
in
Drain tube
=
select
6
9
12
N/A
in
=
in/h
Calculate
K
select
2 layers
3 layers
4 layers
N/A
Intermediary Results
=
ft
=
ft
=
=
ft
Final Results
=
ft
=
ft
Notes
