The head repair

The cast iron BSA cylinder head. The oil drain part that takes the oil back to the crankcase was broken off. I sought lots of advice regarding the repair. In the end I decided to get the 2 faces taken back to flat surfaces, then thread the holes and insert some sort of bung to take the hoses off. The engineering place were going to do that but when It was collected they welded it. Looks like it shoud work. its a low stress part.