Referencing thread507-119706
My coworker and I were discussing if all cells need to be grouted fully below grade. The reason for the discussion was specifically an elevator pit composed of CMU walls. He enlightened me that all cells in a CMU retaining wall must be grouted full per code, but...
I have a question regarding a built up section. I am attempting to increase the capacity of a crane from 3 tons to 5 tons. The crane runway beams need to be reinforced. LTB controls, so I am adding web plates on both sides to create a box section.
Existing runway beam:
W21x62 w/ C12x20.7 cap...
