i'm elaine forbes, i'm the executive director of the port of san francisco, and i and my team are responsible for seven and a half miles of bayfront property. so our seawall and our stability here provides flood protection to big swaths of the city. that this work has led to key answers to the puzzle of how to protect this waterfront. >> our future depends on taking action now. this is why the draft plan is so critical to protecting the city's seawall from earthquake and flooding risks. >> we will have different solutions for different areas of the waterfront, so that's really important to understand. so along the three miles of historic seawall, which is really, really the urban edge of the city, we're going to be looking at interventions like very serious ground improvements, retrofits to buildings. so they're safer we're planning for two feet by 2050, which will allow us to move up to seven feet to be ready in 2100. example. pier 70. so they're lifting the buildings, lifting the site to prepare for sea level rise. it has more capability for accepting a rising tide that's most important for