. >> if all the trade unions that work on our projects were signaturey. i think so we not monitor to keep track of small groups but also it is not a question of them being part of the group in negotiating >> commissioner and we can track all of the smaller trades. i mean, that's already an inherent part of the software. but in terms of getting into this process of preconvincing firms and maintaining those records it becomes i think a burden on contractors to try to meet this because if they don't have a pre-qualify sub that's only going to contribute one hundred hours to that operator job and they can't get them on board it's hard to get teams together arrest >> possibly a compromise is rewe monitor but make a decision later whether compliance related to them. i'm concerned about the complexity and we are just because we don't do the work we are i'm agents fearful we're po trades that contribute 4 percent of more of the labor on the jobs collectively. >> thank you. so mr. tom, i just also want to make it clear that at the last meeting you specifically ask