Beautiful thing with the shelf/recess lintel is you just use maxi's so standard brickwork. All the brickies and roofers in Perth are used to this style so there is nothing…

In Perth even with a single brick wall you often run a shelf lintel through 4 courses below plate height and they run between the piers and are site welded…

For engaged piers, you normally reinforce it with central L bars that is casted into footings and threaded at top with angle bracket connection to roof beam if the walls…