. >> my name tom hewitt. first of all, i would like to welcome everyone to come to this fair. this safety fair, we trying to educate the public regarding how to prepare themselves during and after the earthquake and then to protect themselves for next 72 hours. >> hi. my name's ed sweeney. i'm the director of services at department of building inspection, and we put together a great fair for the city of san francisco to come down and meet all the experts. we've got engineers, architects. we have builders, we have government agencies. >> well, we have four specific workshops. we have the accessible business entrance. >> my name is leah, and i am the assistant manager with the department of small business. i am leading the new accessibility ordinance that helps existing owners better comply with existing access laws. so all buildings that have places of public accommodation in san francisco, they must comply with this ordinance. >> the a.d.e. was setup by the board of supervisors, and the ordinance was passed about a year ago. >> one of the biggest updates that we have is that t