BOF's are massive and some of the tallest structures in a steel mill. This was what John wanted to capture with this model. The area I had to work with 14 1/2 wide and 46" inches long. and 24 inches tall including the downcomers
I started out with foam board I picked up from Dollar Tree. Most structures I build that are large I start with foam board. It is easy to work with and it gives the basic idea how a structure will look.
Since the mockup fit the area I took a couple more measurements for trackage and the building made a return trip back home with me once again.
After getting back home with the building I cut out the last few sections and added a roof and the raised section where the furnaces will be. This will be where the downcomers are located.
Next was siding.
Then the details