No stones behind the wall.
Retaining wall drainage pipe size.
100 mm perforated or slotted pvc or corrugated hdpe pipe as approved by engineer of record.
Retaining walls are a seemingly simple enhancement to any landscaping project.
For long retaining walls you must vent parallel to the wall toe drains at intervals of 30 to 50 feet.
The drainage collection pipe drain pipe shall be a 4 in.
However nearly 80 of all residential retaining walls fail at one point or another because of poor drainage.
Pipe drains must be vented at least every 30 to 50 feet and the use of rodent mesh is frequently necessary to prevent debris from getting into the pipes and clogging them.
Ensure your retaining wall stands strong for years to come by using the correct type of stones for your project and by choosing a design that works well for your soil and lawn type.
300 mm of wall rock.
Our experts are happy to provide solutions for your retaining wall needs.
These will allow water to drain out of the earth and prevent your soil from getting waterlogged and excessively heavy.
100 mm diameter drain pipe placed at the lowest possible elevation within the 12 in.
Add tee fittings perpendicular to the toe drain through the wall face to direct.
With proper retaining wall drainage and construction it can bring a lot of character and function to your landscaping.
Not adding drainage pipes.
Pipe drains are usually installed at the base of the wall but taller walls and those with additional drainage needs may require multiple pipe drains at varying heights.