Pond Boss Forums INTRO Questions & Observations building a retaining wall

Here's the pics. It's never been painted, and is made from either 1/4" thick or 5/16" thick steel. Brettski, do you have any idea what thickness this stuff comes in? IIRC, you should know where it was purchased .

Dad remembers that we cut the pieces between 7' and 5' long, depending on if our test probe hit concrete below the lake bottom. We installed it right in front of an old, cracked and failing cement seawall that probably was poured in the early '40's. It's capped with a 4" x 4" x 1/4" angle.

West side of the pier:


East side of the pier:




Close up of ladder area and the interlocking steel:


Each piece slides together with the previous piece from the top. We washed the pieces down with a 1/2" pipe on a garden hose, stopping about 6" to 12" from final depth. We pounded them down with a sledge hammer the rest of the way. All manual labor, no machines except an abrasive wheel in a circular saw. The steel was picked up from the steel warehouse with the boat trailer and cut to length there on site.

That planter at the lake shore is the bottom part of a 275 gallon fuel oil tank. The tree on the right is a cottonwood, left of the planter is a white oak and to the left of the pump enclosure is a black locust.