I spent a lot of time in middle management. I simply got used to tirelessly repeating the same thing over and over. I don't do any of the work, just the reminding/nagging. Is it foolproof? No. But generally the major things are done right.

I just moved into a remodel that I checked daily for a year. The major stuff is done (mostly) right, but things inevitably went wrong. In particular when new staff or other crews were involved.

Stay the course. Even if it's your fault (which you can never admit as it will cost you), you need to correct him.