Appreciate the response. I was thinking that we might be OK, but the "boss-man" is pretty conservative, so we'll see if I have to go through some sort of analysis. Seems like that would be a whole lot of work to go through...
An MEP we work with asked for advice on a pipe penetration they want to install as part of an upgrade in an existing building (ca. 1986). Need to put a 12" pipe with 1" insulation (so...14" dia penetration) through a 14" thick concrete wall at 1st story of 3 story building. I have only partial...
