https://truesteamachievements.com/a2412957/pirate-engineer-achievement but ... how to get to the boat?

I have been looking forward to this

So, I placed scaffolding half inside the brick wall of the apartments (because half inside was the only place it would let me and I didn't see that you can climb a ladder to the attic) and now I can't pick them back up. Since you can only buy one base scaffold, we need a way to force deconstruct (like with a hammer) or pick up all pieces at once, as a way to force it back into the inventory. The F prompt says "Collect scaffolding. Collect other parts first." There's nothing on top, so I suspect it's upse...

I'm missing the final collectable in the level. So far I've found: 1) Bombing statistic buried underneath shoreline rubble. 2) Renovation rejection letter inside indestructible stone urn at the church. 3) Pre-war poster needing brushing on wall of building next to large sheetmetal roadblock. 4) Child's drawing in 3rd floor of church bell tower. 5) Red Cross poster 1 needing brushing in tunnel with British soldiers. 6) Red Cross poster 2 needing brushing on church wall close to marketplace. 7) De-...

Hi :) could anyone pass me a hint where to find those apple ^^ ?