so what do you use that mapet nance check list for? -- maintenance check list for? >> for every project we finish, we sign a service agreement or offer a service maintenance agreement and then when we go back to the house a year later we go through this check list and we go through the whole thing to make sure everything's being maintained, that, well, it's a very detailed check list. but every house in san francisco needs to be maintained and you can see through lawrence's slides what happens if you don't maintain them. >> in my experience, often people do wonderful design work and excellent construction but stop at that point when the construction is finished and think they're done. but that's not the case. you have to maintain it. you have to have a program first to evaluate it. is this what we wanted? pick up the stuff that's not quite right, you thought it was ok but not. so we have to do post construction evaluation and then we have to have a maintenance program. you've got to maintain them. these houses do not maintain themselves. and much of the work that we

that indicated that just in maintenance alone we are $3.7 billion helped, on just doing necessary mapet nance to keep the federal parks -- maintenance from keeping the federal parks from falling apart and we're not taking care of that. and here we voted $27 billion to buy more land for the federal government to sit on and it's important to understand, when the federal government buys any land at all, that land is immediately taken off of the tax rolls and the schools, the local governments, the state governments are prohibited from taxing that land so that land that has brought so much revenue in taxes to those schools, hiring teachers, all that kind of thing, local servants, it goes away. and when this started 100 years-plus ago, people were assured locally, don't worry, though, if we take timber land, we'll sell timber and we'll give you a cut of the proceeds. well, that's gone away. and so the federal government takes land and the local folks get nothing. some say, oh, no, but it creates green jobs. right. and just like spain has found this year, as the report of the country that this admi