. >> and welcome, and my name is gardi and that is what we will see today and we can move on it quickly and the concept alignments, and what the columbus avenue and up the street and over on the beach street and the one way loop and so that we forced it in the three but there are three different alignments, and the next slide? >> okay. and out of those four corridors we looked to the scope of work at all subway and subway surface alignments and powell street had some more actual alignments there because we look at different ways to turn the vehicles around and the runway loop turns them around and services them and because we need to do the extra space and so we divide up the 14 and we found in the process as we were going through this, because of a suer line that was printed in the 80s, along (inaudible) to the alignment of that they were not fees able and we can determine that already at this time. the cross section here shows kind of the overlapped view of the grand from about 100 feet above, to i don't know, looking here, and 100 feet below and it shows that the consultant and you a