it's great that commissioner maxwell and the president, there, but tim paulson and i have a day job. i would like to -- whether or not i can make it or not, i still want to be apprised so that the sfpuc has been incredib incredibly attentive to the stuff that we're doing. >> i want to point out that they mentioned in previous meetings that they wanted to go out there and tour the site, but i'm happy to do that. unfortunately, we have to do two at a time because of the brown act, but we would love to take you out. i'm telling you everybody -- >> since i have something to do with construction and i've heard him say "construction" at least 17 times so far, i want to be part of that. thank you. >> slides, please. >> so as howard mentioned about the process of cost estimating, we do conduct cost estimates at standard intervals as the project design and details advances. also for the complex and long duration infrastructure projects, the duration between planning estimate to a 95% estimate could be three to five years. as various design deliverables are made available, various estimating t