i taught at t.i.s., 2013 and '14 as a full-time instructor and also as the full-time race officer. besides the youth program, the adult program, there's also the visual impaired people that i've taught thiere, and to tak that area away from them would be a big loss. because i train them for the paralympics, and it's just a safe place to train beginner salors. so if that's gone, it's pretty hard to find a place to teach on the bay. i just want to let you guys know that. so if the marina's there, the safety's gone. thank you. >> paul zingaro. i'm a slip holder at treasure island marina presently. i see lots of youth sailors every day day, and i'm glad to see that happen. i just want to point out that this venue is unique in san francisco bay. there's no other place like it. small boaters will really have no other place like it in the bay and it should be preserved. thank you. >> supervisor tang: thank you. >> hi. my name's paul heineken. i'm here as the volunteer cal berkel berkeley sailing coach. i'm also a retired physician at san francisco va medical center, and eight years ago, w