Perforated Drain Pipe Installation

Perforated drain pipes are used to improve the basic French drain system. The holes in the drain are placed face-down in the ground to catch water filling up the gravel trench drain, Once in the pipe the water is sent further down the line at a quicker pace. Installation of this system is not difficult, but does require some manual labor.

Shovel
Level
Crushed gravel
Landscape fabric
4-inch pipe

Instructions

- 1
  Dig the start of the trench of the perforated pipe. In needs to be at least 6 inches wide, although 12 inches will give you more working space. At the start the trench should be 14 inches deep. This equals 6 inches for the grass and soil, 4 inches for the gravel and 4 inches for the pipe.
- 2
  Dig a slope downward as you work away from the beginning point of the trench. The slope needs to be one-quarter of an inch for every 4 feet. Place a level on a flat surface and raise one side one-quarter inch. Mark the glass tube where the bubble is. The level can now be a guide to show you if the slope is dropping one-quarter inch. Use a shovel to dig the trench to its ending location. If digging through grass, scape off the sod and set it aside to be put back when you are done.
- 3
  Fill the trench with 2 inches of gravel.
- 4
  Wrap the pipe in the fabric and place it in the trench with the perforated holes facing down.
- 5
  Fill over top and on the sides of the trench. You need 2 inches on the top.
- 6
  Finish filling in the hole with soil and the grass or ground cover that you removed when you dug the trench.

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