All-
I'm working on a project in which an existing building roof will be retrofitted with a ballasted solar array and am having considerable difficulty ID'ing the joists. See attached pics. It appears both the top and bottom chords are cold formed steel instead of angles or rounds. Haven't seen...
Hello all,
I'm currently working on a project in which I need to evaluate the load-carrying capacity of a One-Way Structural Clay Tile & Concrete Joist floor. The building was built in 1954. Unfortunately no plans are available. I'd like to have some core samples taken to determine the concrete...