when you are dealing with a contractor, it is important to allow him to do his work.
meaning, allow him or his assosiates to do there work, remember you are paying them to do a job. by you being in the way you slow down the process and possibly endager your self or the contractor, because he has to watch out for you, as well as for himself. when performing his dutie., its great that you want to make sure some of your concerns are met, but be patient, allow the contractor to do his work at his pace, and im sure you will get all your concern addressed,
i get a lot of feed back when i write this from homeowners, and general contractors all say,: we just need to ensure that what we are paying for, is what we are getting,:
so in repect to all home owners and gc, there are many ways to look for signs of qaulity, and question can be asked to the contractor when that phase is done,
by being in the way your, hindering the contractor from doing his job remember, you hired him to do the work. so why are you helping?, most contractor find it very annoying, when a home owner interferes, its just one more thing they have to worry about, so give your contractor some room to breathe, and im sure you will get a happier contractor and a lot better job if he can work stress free.