are there any questions to miss kirschbaum from members? supervisor safai? >> supervisor safai: yes. thank you, miss kirschbaum, the flat wheels, i didn't see anything in your presentation, but that was the real reason that i wanted to have this presentation. what we learned from previous presentations is there's the way you all are training or have asked the operators to operate these vehicles is to hit the emergency mushroom versus using the manual break. the mushroom worked well, i think on the older brada -- is that how you say it? >> brada. >> supervisor safai: i heard a life span of 100,000 miles versus 120,000. i know it is a mechanism that you just talked about. you'd have to ask the contractor, siemens to retrofit and change. what's the cost of that overall to the entire system to fix that defect that was not known before purchase? >> it's about 30,000 per vehicle and about $5 million to $6 million total. >> supervisor safai: so is that something you'll have to come back for approval or is that something you're asking the t.a. for? >> it's build int

i would like to ask julie kirschbaum, or director of transit, to come to the podium and present an award to one of her employees. >> this is the fun part. i would like to invite darius chan. i'm thrilled today to be recognized dennis chan. he started his career at munimobile about four years ago and he is in our maintenance training unit. what i want to recognize him about is the work that he has been doing to support the new flyer training program. as you know, we have put in an massive investment in our fleet and the commitment we made to this board and to the writing public was that we would maintain that fleet to the absolute highest standard and making sure that staff has all the training and the support they need to make those changes is a critical part of that commitment. dennis was assigned to help coordinate all of the filming logistics over the last several weeks. we have him making training videos for our hybrid and traditional coach fleet. they were out in our system. the film crew had such a positive experience that they wrote praising his work. i just want to quote them bec