[tech12]

Originally Posted by minesweeper

Impressive excavation! That picture got me to look up details of the basement, and I found this:



The building will have 286 parking spaces on six basement levels. With the foundation, it looks like the excavation will go down about as far as the podium will eventually go up:



More reading:

http://sfocii.org/sites/default/file...-5gh-Part1.pdf
http://sfocii.org/sites/default/file...-5gh-Part2.pdf
http://sfocii.org/sites/default/file...-5gh-Part3.pdf
http://sfocii.org/sites/default/file...-5gh-Part4.pdf

Looks like the thread needs to be updated with the proper height. The building is 447' to "roof" level, and around 470' to the top of the structure.