I have a call into PCI. I believe the timeframe for this building was prior to PCI producing standardized load tables. Also, the double tees on our project are smaller than current doubles tees.
We are in northern Illinois. The nearest prestressed plant is in S. Beloit, who I have contacted. They don't produce double tees - so I will check with some others.
I am trying to verify the load capacity of an existing precast double-tee floor in an educaton building for the addition of equipment. The building was constructed in 1963. The double tees are 14" overall depth, 4' wide flange, stems at 2' spacing, spanning 33'-0" with a 2.5-inch concrete...