Drainage Flashcards
1
Q
Sand-slitting
Use
A
Secondary drainage system good for playing fields
2
Q
Width of slits
A
40x60mm in width
3
Q
Sand slits
Depth
A
125 x 250mm deep, but sometimes deeper.
4
Q
Sand slits spacing
A
Two parallel spits
1 to 2 m spacing
Back filled with gravel and then topped with course sand.