I got some work done on the tank this weekend, and have more updates to report. I painted the inside of my canopy white and coated it with a couple coats of polyurethane.
I also got the floor braced. First a little background info. I'm not good with making diagrams on the computer, so hopefully I can explain this sufficiently with words. The tank is sitting against a load bearing wall, but the floor joists run parallel to the tank. The main center beam of my house, running the entire length of the house, runs perpendicular to the tank, and sits directly below the center of the tank. This main beam is made up of three 2x12" nailed together. It is supported by concrete piers set in concrete every 5 feet along the length of this beam. The parallel floor joists are 2 x 8" and are 16" apart. They probably span 12-14 feet or so. So that is the makeup of my floor before bracing.
I decided to double up two 2x8" to essentially make a 4x8" beam (4 feet long), make two of these beams, and place one beam directly under each end of my tank. These beams are supported by adjustable screw floor jacks (tapco model j C4) sitting on concrete blocks. I also put one jack under the 6x12" main floor beam (again, this main floor beam runs perpendicular to my tank, and exactly bisects it.) This jack under the main floor beam is probably completely unnecessary, but I already bought it so I figured it couldn't hurt. I didn't realize that the main beam was supported by concrete piers every 5 feet until I got into the crawl space- I thought they were farther apart.
Sorry if I lost anyone with that explanation. I diagram would have been nice. Hopefully some pictures will help.
Here is one end beam I installed. This beam supports the right side of my tank. To orient you, the wall on the right side of the picture is a load bearing wall and is the wall the tank sits against. I actually moved the beam after I took this picture so that it supports 4 floor joists instead of the three in the pictures. My tank only sits on three floor joists, but the wood was long enough and I figured supporting 4 joists couldn't hurt.
Here is a picture of the middle beam with the single floor jack support (probably unnecessary). The pvc pipe running along the beam is the drain line for my automatic drip system. It runs into the central drain line for the house. I ran it up through a wall and it comes out on the back wall behind the tank. (the automatic drip was already installed on my other tank).
And here is the second 4x8" supporting the left end of my tank.
This is the best picture I could get that shows all 5 floor jacks. 2 on each end and one in the middle. They make an x pattern. Again, sorry for the wordiness of my explanation. Hopefully I didn't lose too many of you. Aside from dropping one of the concrete blocks on my thumb, and being covered in spider webs and dust, I'd say this step went fairly smoothly.