Get Retaining Wall Drain Outlet Pics. That pipe should be at the very least 3' below the surface if you live with winters. This video shows you how to properly install a drainpipe behind your wall for.
The ground here is full of sink holes due to run off / rivers coming over the tiers as well as up and underneath that pipe has a definite slope towards your chosen drain outlet.
Crib retaining walls are a form of gravity wall. Drainage masters can meet those challenges with strategic installations of french drains and if needed, installation of our exclusive 'layered yard' drainage system for the worst of cases. Retaining walls are useful and attractive features in many yards, but they are prone to failure if proper drainage is not considered. Drainage & erosion solutions offers retaining wall installation in northern virginia.