Good Everyman puzzle, entertaining, neither too easy nor too difficult.
FOI 1a, LOI 7.
Lots of good clues and some pleasing surfaces.
As a geek I'll go with 16 across and down as co-COD.
I'm not sure about 24, as I believe a screwdriver is a mixed drink to which the solution doesn't apply, but probably Chambers (which I don't have) will verify it.