Me theory on the Glasgow block

The area they were in was a “severed area”. In severed areas, like the severed floor, there is a constant signal that activates the innie, how when they go down the elevator or when Helly/helena leave/enter through the side door they become their innie. (we’ve seen the security room but nothing suggests someone is manually activating it everytime, except for overtime and now Glasgow block.) Helena needed the “Glasgow block” to be able to enter the severed floor. So where the episode takes place is a severed area, which is why the Glasgow block had to be turned off to turn Helena into Helly.