Browse Forums General Discussion I’m not a structural engineer but I’m free. you still need an engineer for the plans. I only have part of your plans, but you seem to have a 850mm drop from the side… 3 9956 3 6406 The engineering is the engineering. It's irrelevant how much material you have. Unless it fits the requirements of your design the engineer can't "make"it work. You might… 7 9687 |