Drainage

Question 1

Sand-slitting

Use

Answer 1

Secondary drainage system good for playing fields

Question 2

Width of slits

Answer 2

40x60mm in width

Question 3

Sand slits

Depth

Answer 3

125 x 250mm deep, but sometimes deeper.

Question 4

Sand slits spacing

Answer 4

Two parallel spits

1 to 2 m spacing

Back filled with gravel and then topped with course sand.