I've been googling around a bit and reading what I could find. The shape of the staircase is a bit unusual, so there will be a few odd mitre angles
Does the actual construction look right? I have a center-to-center measurement of 60cm, is that too tight for a staircase? I've calculated the steps to be 260mm deep and the riser height to be 145+22 (the decking is 22mm).
I will be placing it on a patio with tiles.
I've attached pictures of the drawing. What do you think? It seems to me like an extreme amount of lumber!
I think the design is unnecessarily complicated. I suggest that you simplify it somewhat. See sketch. The step dimensions are good.
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Thank you! Yes, that I will suggest. Not bad. Then I think I will build the top platform with blocks and support beams against the walls, and then stringers for the stairs. It ended up being a lot of timber with 5 "frames."