Cut one landscape retaining wall.
How to build a retaining wall with drain tile.
The gravel below that soil gives water that does enter a fast route to the drain tile.
Install drain tee fittings and a drain grate every 25 ft.
Once a few rows have been stacked backfill the wall with rock so it matches the grade height in front of the wall and then lay down perforated drain tile on top of the rock.
To 50 ft depending on how much rainwater is expected to run down to the wall.
If the drain tiles are implemented primarily to protect the foundation from subsurface water dig the trench up to 6 feet deep.
Just below that is 8 to 12 in.
If the primary concern is surface water a trench only 2 feet deep.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
The success of your retaining wall depends on a level base.
Typically drain lines are installed at the base of new walls before the soil is backfilled.
Design and build your retaining wall to slope at a minimum rate of.
Learning how to build a retaining wall can be fun with these helpful tips.
Water that s allowed to build up behind retaining walls can damage a wall or cause it to give way.
However retaining walls are built with a certain capacity in mind.
And the perforated drain tile collects the water and directs it away from the base of the wall escorting it out through its open ends.
Of packed impervious soil to help prevent water from seeping behind the wall.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
This video shows you how to properly install a drainpipe behind your wall for prop.
A retaining wall is built to hold back a certain amount of soil.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.
Why proper drainage is important for retaining wall performance.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
Any reinforced wall or walls over 4 ft.
300 mm behind the block.