John,
This isn't your favourite restaurant again is it?. [Linked Image]
Is there actually a roof above that sheet of Chip-board?.
What sort of a gang-nail plate is that, in behind that ceiling joist next to the light fitting?, something doesn't look right there.
125W MV lighting isn't exactly the lighting source of choice for candle-light dining, is this some sort of a utility area?.
One would hope so. [Linked Image]