Architect needed for detailed section drawings for family home, preferred experience with project in Nordic countries, must have revit 2021

I need an section drawings of how wall and flat roof (wooden construction) and foundation is coming together. I We have drawings in Revit 2021, but do not have detailed section drawings for roof and wall. It has to be made based on static calculations we have received from engineer.
Roof is flat, with hidden slant of 30 % on the short side of the house., isolation, waterproof roof plywood covered by two layers of roofing felt.