why the hull parted in stern?

Shutterfly https://photos.shutterfly.com/full/1753687954653453/filters
Shutterfly https://photos.shutterfly.com/full/1753687968284753/filters
Shutterfly https://photos.shutterfly.com/full/1753687929258552/filters

 

I logged into Shutterfly (with my Facebook account), and I then clicked on the links for your photos, but none of them would work

 

Which site can uploading photo freely?

 

If it's your photo, or permission has been granted to post it here, you are welcome to use the Upload a File to attach a jpg to the post itself. (just don't violate anyone's copyright please.)

 

What is the mechanical connection like?

 

Looks like a highly specialized barge designed for offshore wind repair and service.

 

Intercon series 50 connection system.Tugboat Information http://www.tugboatinformation.com/tug.cfm?id=5238

 

Ah gez I should recognize that, we get a fuel barge just like that dang near every two weeks.

 

I saw that arrangement in the form of a gravel barge docked in the Grand River harbor on Lake Erie. I was paddling my kayak. Thought it looked most peculiar, but figured out that had to be the same thing. The pusher and the barge each had their own powerplants running, all lit up. IIRC, the barge had a superstructure with a bridge, and maybe a crane. I know I took pictures of it but now I can't find them.

 

If you google 'articulated tug barge connection' lots of interesting links will come up - here is a good one :
Beacon-Finland-JAK-ATB-Coupling-System https://www.beaconfinland.com/uploads/documents/Beacon-Finland-JAK-ATB-Coupling-System/index.html

 

The tug that brings fuel up has a giant tall crows nest. When it locks in to the barge it's quite a sight.

 

What's your occupation?

 

What is the detailed connection structure?

 

The countersunk ladder looking things appear to be whatever bajan linked. They appear to have access for some reason or another, maybe cleaning based on the rail cuts.

 

I imagine if you want crew swaps for any purpose...?