quick! quick! watercolor

We've been practicing getting faster at our rendering skills in graphics classes.  The goal of this assignment was to prioritize what is most important about a drawing in order to capture it in the given amount of time. 

We were asked to choose a space by someone on a list of certain designers.  I choose this space by SANAA (Zollverein, completed in 2006):

And our assignment was:
Sketch (overlap corners, fine line weight, hit-go-hit smooth lines) according to this time schedule:
sketch #1: 24 minutes to draw the space as completely as possible, 8.5 x11 minimum.
sketch #2: 12 minutes to draw the space as completely as possible, 8.5 x11 minimum.
sketch #3: 8 minutes to draw the space as completely as possible, 8.5 x11 minimum.
sketch #4: 4 minutes to draw the space as completely as possible, 8.5 x11 minimum.

Paint each image in watercolor according to this time schedule:
sketch #1: 48 minutes to paint the space as completely as possible
sketch #2: 24 minutes to draw the space as completely as possible, 8.5 x11 minimum.
sketch #3: 16 minutes to draw the space as completely as possible, 8.5 x11 minimum.
sketch #4: 8 minutes to draw the space as completely as possible, 8.5 x11 minimum.
 
So, here are my watercolors (in order as above):