The bents are in place and the stringers are being glued to them. I used a heavy piece of narrow gauge track and a flat plate of steel for weight on the stringers while the glue dried. The bents are fastened to brick block fundaments. I drilled holes in the bricks, inserted a plastic plug, and then screwed in an L-shaped screw hook that hooks over the mud panel at the bottom of the bent. Works well. The trestle is so strong that I can walk on it.