. >> clerk: item five, upgrade on cal trans alemany circle upgrade report. >> chair peskin: thank you. >> thank you. it's a pleasure to be here with you this morning. like to present a project that caltrans intends to build a construction in july of 2020. construction of the project is relatively simple. it's replacing 800 feet of the northbound and southbound bridge deck of the existing u.s. 101 bridge. what makes it extremely difficult or challenging in the fact that this is in the location where 101, 280, and alemany circle exists. so there's a lot of traffic in this location. 200,000 vehicles travel in this location on a daily basis, so it's going to be difficult to convey traffic through this location while getting the work done. on your screen, you can see where exactly the location of the project is. it's, i think, affectionately called the hair ball in san francisco area. it is the alemany circle-280-101 location. the bridge decks to be replaced is the section there in orange with the circle around it. as i mentioned, it's about 8 800 feet of a concrete bridge deck, and these