hospital administrator fred valenzuela says the changes take time. >> in terms of the facility, we have a major reconstruction project, we'll spend over the next 4.5 years at $32 million here. >>> assemblyman floyd says there's no excuse for some of the delays. >> if i were working under these conditions and i had gone out and i had seen in any for an alarm system and they start to hand me a dam whistle, i would be on the bricks for a picket sign or looking for another job some where. i would not put up with this. >> reporter: no one denies that the conditions have been bad through today. >> when we come back, on a second look, the percentage of people we show mental illness at some point in their lives. the number may surprise you. >>> how common is mental illness. the answer might surprise you. a study in 2005 put the figure at one person in every two. but it also found few seek help in a timely manner. john sasaki brought us this report six years ago. >> the russell street resident houses 235 people here in berkeley. some of them are chronically homeless. >> when you're mentally ill,