I have a building with the lower floor being steel beam / joist construction supporting 2 floors of wood bearing walls. The typical exterior beam detail is to have the wood top plate bolted through the bottom flange of the steel beam. This conflicts with generic architectural fire protection...
We have an exterior stair column (HSS 3x3x1/4) with a K-brace that was field-welded mid-height. The 2 diagonal brace members are L3x3x1/4, welded to the column with 1/4" fillet welds all-around. The column is 11.5 ft tall. The owner noted that it appeared the column had been hit and was...
We have started a preliminary investigation into an existing concrete slab structure from the 1950's. I'm not sure of what the framing system is. The owner is concerned about continuous cracking of the slab in what is described as an alligator pattern. It appears that there is a concrete base...
