Do not stuff random insulation or spray foam around a rated floor penetration.
Check
Measure/photograph the gap around the pipe.
Confirm floor rating and penetration detail.
Check whether a sleeve is required.
Identify who owns firestopping on the project.
Do not cover until the listed assembly is installed/inspected.
Steps
Measure/photograph the gap around the pipe.
Confirm floor rating and penetration detail.
Check whether a sleeve is required.
Identify who owns firestopping on the project.
Do not cover until the listed assembly is installed/inspected.
Say this to your foreman
The core hole around the spiral riser at [location] has a wide open gap through the slab. I checked that it is a floor penetration. Do you want this held for the approved sleeve/firestop detail?