The usable length of each lock chamber is . Lifting gates gave access to a lock chamber which was . Three basins are associated with each lock chamber. There is significant turbulence in the lock chamber during this process . The lock chamber was long and wide. The lock chamber is wide by long. Suddenly there is a ring on the main lock chamber of the segment. The lock gates have now been removed but the lock chamber survives. The lock chamber is wide by long by high. The lock chamber is wide by long, and deep. Earth was then excavated from between the inner pair to form the lock chamber. A lock chamber can be filled in as little as eight minutes. Each lock chamber was 13 feet wide by 65 feet long. Opekiska has a single lock chamber located on the right-descending river bank. The lock chamber is long and wide, with a minimum draft of at the sill.