I thought it best to start at the beginning. First, I marked off the location of the supports of our floor. Then I made some diagrams, and I sent them to my friend Walt, who's a structural engineer. He said "Looks good!", so away we go.
Here's the alcove where the tank will live.
Here's roughly what the tank will look like over the support structure:
Lastly, and overhead sketch:
Here's the alcove where the tank will live.
Here's roughly what the tank will look like over the support structure:
Lastly, and overhead sketch: