Fishing Tunnels

"Oh, you're new here. Okay."

She looks up from her clipboard.

"So, you'll want to find tunnel H. Out here in the outskirts, we don't have names for the specific pipes. Major pipes, like the one we're standing in right now, are labelled alphabetically. The smaller ones are numbered. We don't fish in the larger pipes, so we name docks based on the smaller pipe they're nearest to. So, Dock H-5 is the dock built in tunnel H, right outside the fifth pipe. Make sense?"

You think you can probably find the right place, now.