possibilities and that our streets are designed and gracious by design and the public realm that san franciscoians truly deserve. thank you. >> thank you david. our next speaker is john paul scott, he's a licensed california architect and the deputy director of physical access for the san francisco mayor's office and he's responsible for the ada compliance and building plan for buildings and facilities. john paul. >> i would like to tell you a few things about our office, the mayor's office on disability. and first off we are not responsible for yellow, but it's required by state law. our offices also is responsible for the ada transition plan for curve ramps and sidewalks for the public right of -of-way. and we published this plan with the department of public works and it's in the 10-year capital plan and this was a process and resolution by the board of supervisors and signed by the mayor and we must plan for the future in an organized way. and the transition plan for curb ramps and sidewalks, identifies 15,000 curb ramps that are missing or need repair, and a potential 16 ,000 more that we hav