Safes
What makes it awkward
The weight is concentrated into a footprint smaller than a bedside table, which is why a safe that sits happily on a ground-floor slab becomes a serious question on a first floor above a bay window.
How we handle it
We look at what the floor is built on, what the threshold does, and whether the stair treads are supported all the way across. Movement is on boards and skates with a controlled descent rather than a carry, and on anything above ground level we want to know the building before we want to know the safe.