we are here to talk about rockslide, rockfalls, and related issues. what is the difference between a geologist and a geotechnical engineer? >> and engineering geologist deals with identifying site characteristics, mapping, the ground's surface, collecting all of this data. the engineer can come up with medications and designs. >> the structural engineer might be working on a building if there is a building involved. what is your role? >> i am interested in the physical properties of the earth and how the earth will behave: subject to different load changes. when you are building a building, you are applying a load and you are wondering if the earth will be able to supply that load. we work closely together and we come up with practical engineering solutions. >> this is when someone wants to build something. also, we have a rock piece of land. we have to have a resolution. >> in the u.s., about 2/3 of the population lives in areas that are prone to landslides. about $2 billion of damage occurs annually from landslides. unfortunately, 20-25 million peop

landslides is san francisco is a part of the community that experiences many types of landslides, rockfalls, deportations. we need to be aware of the geologic and topographic setting we are in. when we are planning to build our home or buy a home or at additions to the home. if i have one suggestion, that is to seek information from the apartment building inspection. if you're not satisfied, there is ample information there. a geologist needs an opinion of the stability of the environment you're in. >> the building department will typically require that kind of information. people will do a major edition. what we are wondering is why we require that information. >> great, thank you very much. it is terrific. it is fun to see a lot of the city. thank you. >> the renovation of balboa park, the oldest in the city of san francisco, and now it is the newest part in the city of san francisco. through our partnership, and because of public investment from the two thousand eight fund, we are celebrating a renewal and an awakening of this park. we have it safer, happier, more joyous. >> 3, 2, 1, [la

landslides is san francisco is a part of the community that experiences many types of landslides, rockfalls, deportations. we need to be aware of the geologic and topographic setting we are in. when we are planning to build our home or buy a home or at additions to the home. if i have one suggestion, that is to seek information from the apartment building inspection. if you're not satisfied, there is ample information there. a geologist needs an opinion of the stability of the environment you're in. >> the building department will typically require that kind of information. people will do a major edition. what we are wondering is why we require that information. >> great, thank you very much. it is terrific. it is fun to see a lot of the city. thank you. >> items acted upon today will be on the board of supervisors agenda unless otherwise stated. >> okay. we have a relatively long agenda but hopefully we can get through the items quickly and joined by supervisor eric mar. can you call number 22 up. >> item two authorizing the mayor's office to the successor housing agency to into a 99 year

we are here to talk about rockslide, rockfalls, and related issues. the difference between a geologist and a geotechnical engineer? >> and engineering geologist deals with identifying site characteristics, mapping, the ground's surface, collecting all of this data. the engineer can come up with medications and designs. >> the structural engineer might be working on a building if there is a building involved. what is your role? >> i am interested in the physical properties of the earth and how the earth will behave: subject to different load changes.