Advanced Camp Shower System

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mulch
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Advanced Camp Shower System

Post by mulch » Sun Aug 11, 2013 6:32 pm

GreyCoyote gave me some advice on this project and was hoping I would share it, so here it is. So ya'll think about us when you are on the playa, and after the burn, If any camp wants to build one, I don't mind giving some thoughts and I'll have insight into how it goes over a dirty happy week on the playa to share.

So we are first timers and our camp has an experimental shower system. It's totally decadent and I'm not suggesting that it has any practical benefits whatsoever. I realize that you can show up to burningman being lean and green and such, and this is the unnecessary excessive opposite. So look at it more like the crazy laser or fire breathing contraption than like a reasonable camp shower. We have a small camp this year so it will not be taxed much, but we are doing reconnaissance for our larger group that are going to camp with us in years to come. I built this with plans to return :)

So our shower is recirculating and has an over capacity water treatment system that deals with all the effluviant that a playa dust covered hippie brings to the table.

Small particle dust
Human body oils, dead skin, hair, and stuff.
Soluble soap
Potential diseases --- it has 3 independent methods for sterilizing the water to prevent any disease. Any one of which is adequate.

------------------- Skip this technical description if you want --------------------
The heart of the sytem is ozone oxidation. Built from parts, 2 x 8 gram per hour ozone generator and cooling system for them, 50 LPM air pump to help the tubing run that leads to the two venture ozone injectors. The ozone sterilizes and it oxidizes any organics including the soluble soap.

So the water comes out of the shower head and collects at the floor drain.

It goes into the first of 4 sedimentation buckets, each can be automatically drained and pumped out and made to be grey water if sediment or such builds up.

Water goes into the second bucket which is supplied with one of the two 8 gram per hour ozone generator injected in a recirculating venturi ozone injection system

Water then into the third bucket that contains the overflow outlet that drains into a big 12 gallon tote, which also pumps that water back into bucket 4 to buffer the system volume and accomodat turn ons and turn offs. The third bucket has the second of the two 8 gram per hour ozone generator pumping into it with a second venturi injector sytem.

Then into the fourth bucket which is topped off continually, excess drains off of bucket #3. The pump gets it water from bucket #4 and the ORP (oxidation reduction potential) meter has its probe in bucket #4, even with common soap loads the ORP stay at >600 which is considered a sterilizing concentration. Hot tubs that use ozone only shoot for 300-400.

Then into a 3/4 hp pool pump -> output manifold, 1/3 to ozone venturi #1, 1/3 to ozone venturi #2, 1/3 to the main filter.

So then to a diatamcious earth pool filter. Get down to 2 microns, is back washable, and holds large volumes of filtrate.

Then to a large pool sand filter that is filled with 150 lbs of activated carbon. This gets any soap. of course the soap has been oxidized by the hyper ozone, so some will congeal and be filtered by the DE filter, but any soluble soap is caught in the large carbon filter. Using only simple Castile soap which is vegetable oil based only, (Hemp and almond oil selected cause Dr. Bronners was out of Hemp and patchouli :) )

Then from the large charcoal filter, to a pre filter to get charcoal dust, then to a sub micron serilizing ceramic filter that would get any pathogens out. Then to a 12 gallon per minute UV sterilzer.

The last two are redundant, but too sterile is fine and if something fucks up, we would still have one of them.

Then split into cold water and some goes to an on demand LP gas water heater, then to the shower head then back around again.

Now there are tons of issues. Everthing needs to be grounded so that it is safe and so that GFI plugs will work, so Im bringing 3 copper grounding rods and grounding the shower copper pipe, the pumps, the Generator and the chassis of the RV and Trailer all to real playa ground.

The DE filter needs a full pool quantity flow to "set" the DE material into the matrix, so there is a seperate pump to load the DE filter when we get there and if it needed backwash and replenishment.

So thats a hassle. I built this capability in, and GreyCoyote (who seems to have experience with all sorts of crazy things) mentioned that DE filters might lose their media matrix thing if moved and

driven over bumps and such. So Ill just empty it before the trip and load it fresh on site.

--------------------------- End of technical description -------------------


So thats it. I'm thrilled that all the test seem to be as hoped, but I realize that the playa may give me challanges I haven't thought of. Took it apart and packed it on the trailer today, what a

relief.

Pictures are random and there is one more decorative reed screen and many more shower curtains. It seems that most showers I've seen are pretty open, and while we aren't prudes, this setup provides

full privacy.
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Last edited by mulch on Sun Aug 11, 2013 6:52 pm, edited 7 times in total.
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mulch
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Re: Advanced Camp Shower System

Post by mulch » Sun Aug 11, 2013 6:35 pm

Ozone Generator and DE filter loading system
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gaminwench
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Re: Advanced Camp Shower System

Post by gaminwench » Sun Aug 11, 2013 6:36 pm

Wow!
One thought, that decorative bamboo screen will be very MOOPy.
Let us know how it works out!
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mulch
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Re: Advanced Camp Shower System

Post by mulch » Sun Aug 11, 2013 6:40 pm

I knew that would come up, fair point. I've de mooped it as much as possible, and we are setting it all up on a tarp and will be responsible for it.
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Elliot
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Re: Advanced Camp Shower System

Post by Elliot » Sun Aug 11, 2013 6:52 pm

You may get some guff for the complexity and still-uncertain results, but I certainly recognize it as "art".

So... you might set up a big sign announcing that this is a fancy recirculating system -- so passers-by can take the opportunity to learn about it.

Do you have a way to test the treated water for pathogens and other Stuff? That is, to verify that the system is working as hoped-for?

Again, I do like the concept.

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mulch
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Re: Advanced Camp Shower System

Post by mulch » Sun Aug 11, 2013 6:56 pm

Do you have a way to test the treated water for pathogens and other Stuff?


Just being over capacity and redundant should be more than safe, but (at GreyCoyote's advice) I am brining the materials to do potassium permanganate testing which will confirm that no unoxidized organics are in the water after processing.
So... you might set up a big sign announcing that this is a fancy recirculating system
mostly we are keeping it secret because I don't want it to become a public shower, and because we have lots more to do that week than man a science project. I suspect that the cute antique RV will draw the curious in, and then if we need to we can wrestle them down and make them take a hot shower.
Last edited by mulch on Sun Aug 11, 2013 6:59 pm, edited 2 times in total.
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GreyCoyote
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Re: Advanced Camp Shower System

Post by GreyCoyote » Sun Aug 11, 2013 6:56 pm

Mulch, the dilithium crystals are not shown, presumably due to security reasons? :mrgreen:

It's a heck of an effort! Don't be too surprised if I show-up toting my rubber duck and scrubbie-brush. After about Day 2 I would sell my soul for a hot, clean shower.
"To sum up my compassion level, I think we should feed the unwanted animals to the homeless. Or visa versa. Too much attention and money is spent on both."
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GreyCoyote
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Re: Advanced Camp Shower System

Post by GreyCoyote » Sun Aug 11, 2013 7:03 pm

On a serious note, I don't think pathogens will be problem at all. The contact time of this system, and the ozone concentrations being delivered, should completely whack all but the very largest spore-formers, and these will get trapped by the sub-micron sieve. About the only unknown I can see here is how it will handle glycols and the wierd polys they put in some shampoos, and the permanganate test will tell-all in this regard. (If push comes to shove he can just fall-back to some simple shampoo, ie, "Johnson's Baby Shampoo" or equivalent, and that will be nicely dealt with by the system).
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Captain Goddammit
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Re: Advanced Camp Shower System

Post by Captain Goddammit » Sun Aug 11, 2013 7:31 pm

I just go with the much simpler system of bringing shitloads of water - people budget 1.5 gallons per day, I budget 10 gallons per day... however, I gotta admit that your setup has tons of cool factor!! And I know that's more the point. And it's a great looking shower setup aside from the technical awesomeness!
GreyCoyote: "At this rate it wont be long before he is Admiral Fukkit."

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mulch
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Re: Advanced Camp Shower System

Post by mulch » Mon Sep 02, 2013 9:49 am

Wow, headed home now.

That was quite a hoot.

So the hippie washer 2000 was fabulous. It worked flawlessly. It was such a pleasure to gift out many long hot showers. Water quality stayed perfect, didn't even have the ph shift I had worried about. Used about 100 gallons to keep up with evaporation and drip off

Hanging with the 3 am tripping neighbor hippie couple taking a 30 minute steaming shower in the windy aftermath of a crazy night was such a pleasure. And such pleasures happened maybe 100 times. Oh, and being clean myself and having my RV mates clean as shit was a luxury for sure.

I'll do it different next time, mostly for my convenience. The whole system will be on the trailer with no set up. Those several hours setting up and breaking down are too precious. I'll use a small hard sided stall and no changing area. And a few minor changes to the mechanics, mostly to the sedimentation catch portion where all of the ozonation takes place. And I don't need a full IBC tote either.
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Re: Advanced Camp Shower System

Post by Captain Goddammit » Mon Sep 02, 2013 10:03 am

I'm impressed! I'm sorry I never made it by - you know how it is! I bring about 100 gallons of water so the First Mate and I can shower plenty without being too ridiculously conservative but we can't do it like you do! I may have to copy your setup, if you don't mind that sort of flattery!
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Re: Advanced Camp Shower System

Post by GreyCoyote » Mon Sep 02, 2013 1:48 pm

Awesome, Mulch!

I notice the strident "experts" chorus saying "it cant possibly work" are rather quiet now.

Well done! Where did you camp?
"To sum up my compassion level, I think we should feed the unwanted animals to the homeless. Or visa versa. Too much attention and money is spent on both."
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Re: Advanced Camp Shower System

Post by Elderberry » Mon Sep 02, 2013 2:18 pm

Impressive.
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Re: Advanced Camp Shower System

Post by some seeing eye » Mon Sep 02, 2013 2:25 pm

As a former waste water treatment professional and familiar with the challenges of executing a project on the playa, well done. Clean water supply is a worldwide issue. Cool!
increasing the signal to noise ratio with compassion

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