Client needs to replace a pipe within a gunite pool. He's concerned that during the removal of the existing pipe, mostly likely by chiseling, he's going cause damage to the surrounding gunite. Even though gunite is a cementitious material, I don't think that it will hold up similar like concrete...
I'm currently working on an existing building where we need to reinforce the existing timber beams to accommodate the new loading condition. Our plan was to sandwich the existing beams with steel and bolt together.
However, due to historic preservation requirements they will only allow us to...