On Tuesday, 3 December 2019 21:37:43 UTC, ARW wrote:
2nd year apprentice had the task.
I had already drilled the holes and fitted the red rawl plugs. About a
2m length of dado.
He has access to a screw box and an impact driver (with a proper PZ2 bit
fitted).
So how long?

Did he put it in the wrong room?

And did you give him any washers to go under the screw holes to spread the load properly?

Owain