Our SFMO wants us to provide a UL design for the tube steel that interrupts our elevator shaft wall core boards. Anybody see a UL for this? We have a RFI in but I'm doing my own research. : r/Construction
Design Details Details Page - Shaft Wall Lobby Elevator Door Elevation
Design Details Details Page - Shaft Wall Elevator Door Frame Head Detail
An introduction to gypsum shaftwall systems - Construction Canada