. >> carla johnson in the acting deputy director of inspection sftions here at the building department. people who go out and do inspections for buildings, including inspections for disabled access, are responsible to carla's management. i know carla has been involved as well for decades and decades. >> 13 years here at dbi enforcing the disabled access codes. >> and my good buddy tom fowl at the end. tom is an engineer at the smith kettle research institute and a sailor and tom and i met sailing 10 or 12 years ago and we met sailing san francisco bay. people say how can a blind guy sail? . >> you get in a sail boat and you pull on ropes and move the tiller and listen to the sighted people who of course have to be with you. >> we have had fantastic sailing experiences. it's great. >> a storm. >> going out around the faralons and the double anded races and so on. it's good to have you here. i want to start about my general conception about what disability access includes, sort of the over all concept. it includes a couple of things. the first thing is the work that is required to be don