That engineering firm has an office in Bettendorf, IA, which is right next to Davenport. The engineer whose name appears on the documents appears to be at the Bettendorf office.
I think the question is do you think the building collapsed on it's own from deterioration, or was the collapse accelerated because of the piss poor shoring. Would the collapse have happened if the engineers drawings had been followed? And if those drawings were followed does the risk of...
Was probably good steel when it was built in 1906.
I grew up in Davenport. Spent many hours in the main library that is directly across Main St from this building.
MarkBob2,
In photo 2 of your Powerpoint you mark two cars and ask "Is one of these cars parked in a driving lane? Something is not right here."
These two cars can be seen in this picture... they are in the guest parking in marked spots.
https://www.yahoo.com/news/video-shows-concrete-raining-down-083231363.html
Someone has security video from inside their apartment just before collapse.