Watching a cutterhead get fouled on the Ohio River changed how I think about debris surveys.

Everyone swears by the standard sonar sweep, but after that shutdown near Louisville, I now send a diver down first if there's any hint of old timber. Anyone else skip the tech and go manual first?

2 comments

2 Comments

brookep621mo ago

Totally get that, man.

riverhill1mo ago

That Louisville shutdown was a freak accident though, right? Sending a diver first for every hint of timber seems like a huge cost jump for what's usually a low risk. Sonar catches 99% of it.