I am currently working on a project infilling existing levee doors with concrete on existing flood walls. I was planning on specifying a hydrophilic water stop at the existing to new joint. The owner is concerned that the hydrophillic water stop will not last/stand the test of time since the...
I am working on adding some roof top units to an existing structure that was built in 1963. I know the existing joists are 36LH10 60'-0" long. Due to timing and other issues, I am not able to uncover these guys until after the design is done. So I am assuming that top and bottom chords are...