construction detail

Should the walls with circles be shown as internal walls? The vertical walls will act as cheeks and will rest on the rafter trimmers The wall circled should be detailed as an internal partition wall. The vertical walls will serve as (cheeks) and will sit directly on the rafter trimmers. No wall...

I have got planning permission to divide one larger room into two with a timber partition wall ending in the external large existing sliding doors opening (with concrete lintel above). I am struggling to find any construction details for an external timber pier for this dividing wall between...