That's what I meant. No need for fast closing bulkheads, just get everyone out to another sealed building inside the same aerostat at whatever speed it takes th

That's what I meant. No need for fast closing bulkheads, just get everyone out to another sealed building inside the same aerostat at whatever speed it takes them to walk to an exit and get in their protective non-pressurized gear. Outrunning gas diffusion is easy.