3 ms·and how is the bulkhead removed?by mertd 5y agoand how is the bulkhead removed?dghughes 5y agoEspecially s bulkhead that's between two segments that are both underwater.erentz 5y agoI'm assuming the bulkhead is secured inside the tube. Once complete you enter at the end of the tube (on landside) and sequentially go through removing each bulkhead from the inside of the tube.