Thanks. I mistyped the part about them raising the anchor rod in the slab, I meant to say lowered it. But the washers are on top of the baseplate, acting as spacers to get the nut to bear on material as the distance between the top of the baseplate and the threads is a couple of inches. The...
A contractor installed the anchor rods too high such that the threads extend way above the base plate (by almost 3 inches). These were F1554 rods, but they bought them too long and installed them too high in the slab. He wants to install a stack of washers above the base plate to just above...
