Cut steel for front bulkhead side of steps.  Next, I cut steel for side and back of step bay and put 90 deg fold in to from the shape.  The top side needs to be flanged to meet the floor.

Here are the parts that form the entrance step box:

Adding the strengthening flange to the end piece. Rearward end and back.

Forward side piece.

Not much progress recently.  The entrance steps were found to have been knocked and rivetted together out of various odd pieces of sheet steel.  The basic framework is angle iron and saveable.   A new piece of mahogany board was purchased for the bottom step which was rotten.  Rebuild work started by shaping  the rounded forward corner piece and a new forward end piece has been cut.  This needs a strengthening flange folding in it but is otherwise ready to use.