Aquaponic Setup

Aquaponic Setup

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Complete by: 31/03/2017 Budget: $2,500 Cost Tally: $786 Status: Active

Building a Portable Toilet

After designing the portable toilet in SketchUp, the next logical step was to actually build the thing.

There is always one thing about building something you design... You always miss something.

I missed something in my design that I didn't take into account... Luckily, it wasn't anything major that couldn't be fixed on the spot.

The construction followed the design fairly closely, outside of the one mistake, the only change was that I used 9mm Structural Plywood instead of 12mm Non Structural Plywood.
One note on the Plywood, considering its intended application, it would be worth considering Marine Grade Plywood.
On top of which, the obvious next step after construction, would be to seal the wood with either an oil and wax combo or with some form of water resistant/proof paint.

Anyway, I keep sidetracking myself.


The build started with the acquiring of materials, here is the break down;

Item Cost Qty Total
20L Round Maxipail $9.90 1 $9.90
Structural Ply (2400mm x 1200mm) $38.00 1 $38.00
Non Structural Pine 2m (70mm x 35mm) $3.20 3 $9.60
Wood Toilet Seat $29.00 1 $29.00
Screws $6.00 1 $6.00
Hinges $4.81 2 $9.62
  TOTAL $102.12

 It came a little over estimated budget... By around $16. That cost can be attributed directly to the extra cost of the wooden toilet seat. I can accept that :)

Let's get on with the build!

This is what I started with;

The first step that I saw was to measure and cut the 70mm x 35mm Pine down to the required lengths.
8 x 468mm
5 x 398mm + 1 extra.



Further cuts needed to be made for the vertical support struts.

This part would have been a lot easier with a table saw... Lesson for next time :)


Now, assemble the frame!

At this point, I got carried away with the build and forgot to take more photos of the frame build.
In this image, we are missing the cross bar at the rear of the toilet.
This is the mistake I came across in the build when I was adding the plywood to the frame.

The plywood seat section didn't have any back support in the frame so when any weight was applied to the seat, the plywood would bow at the back and not feel stable.

So an additional cross bar was added for this part. I believe the cross bar could have been configured slightly different and I will illustrate that further in this article.

Since I managed to miss a couple photos in the build process, the next documented images are from when the Plywood has been cut and fixed to the frame.

From the two images directly above, you can see the additional cross bar that adds support for the seat section of plywood.

It also provided an additional benefit that I hadn't taken into consideration in the design (Not that I had to because I didn't realize there was a problem to begin with).
Two holes drilled down the cross bar adds support for the screw rods of the actual toilet seat. -Awesome-

Last step was to cut a hole and to add the toilet seat.

Oh yes, cutting out that hole was fun. That new cross bar completely threw my circle off :\
Well, work with it and move on.


The build is complete!

A little rough and ready, but it works and has plenty of strength.

Note for the next build... Better to have a table saw for cutting plywood.
A better way to deal with the cuts would have been to cut the plywood with excess so that more care could have been taken in getting the plywood to the right dimensions.

But I am happy with the build and I mark it as a success.


This brings Part 1 to a close and in Part 2 I will go over the revisions to the Portable Toilet design and some thoughts on the process.


Discuss HERE.

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