about the same -- 84% on the 31,000 hours completed thus far by the trade contractors working for webcor/obayashi. this is where i want to move into a little description of what is happening over the next two or three years. bse stands for buttress, shoring, and excavation, and that is what the scope of their work is. it really consists of four primary components. the pre-trenching component to clear away the shore wall itself. the buttressed in the eastern zone. and the actual excavation. in the process of doing the excavation, they will install traffic bridges, both to maintain the traffic on the three main streets -- fremont, first, and feel -- as well as a trestle bridge, which i will show you down in the middle of the site -- fremont, first, and beale. the first that is the pre- trenching. that has been going on since june. they are removing the top 10 to 15 feet of soil to remove any debris and soil that we suspect from previous construction and the earthquake debris and everything else that has been thrown in there, making sure that the utilities have been relocated as advertised and getti