Bulkhead gates are primarily used for dewatering and maintenance.
Depending on the height to be sealed, it may include more than one section.
Multiple section bulkheads are usually called stoplogs.
The height and quantity of stoplog sections are based on:
The lifting height and capacity, difficulty of storing high sections and transportation constraint.
Bulkheads are installed and removed under balanced head using a lifting beam (follower beam) or lifting slings.