When a pair of two-ton trees falls on a pier, even our pier is going to suffer some damage. This pier was 19 hours old, and the owner is our luckiest customer. She’s alive, well, and has a new pier.
As you can see from the bent footpad, the cam mechanism held up. Not one single cam mechanism failed. Some footpads were even more severely bent.
Here you can see what it took to yank the T&L mount’s gripper mechanism out of the dual dovetail grooves. Short of a tree falling on your pier, the grippers are going to hold. Note that the main spar itself is unbent.
Structural tubing elements have 1/8″ or 3/16″ thick walls. We learned from the tree accident that the structural elements are well matched. No single element consistently failed from section to section. Note the robust dual-welded attachment of the horizontal pivot tube to the vertical leg sleeve. This redundancy will serve well for decades.