SuSanA - Forum Kunena Site Syndication http://forum.susana.org/ Wed, 22 Oct 2014 21:40:04 +0000 Kunena 1.6 http://forum.susana.org/components/com_kunena/template/default/images/icons/rss.png SuSanA - Forum http://forum.susana.org/ en-gb Re: Low-cost sanitation for emergencies - Aerosan in New Delhi - by: Andrew http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10560 http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10560
Andrew]]>
User interface Thu, 16 Oct 2014 07:11:59 +0000
Re: Low-cost sanitation for emergencies - Aerosan in New Delhi - by: ben http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10470 http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10470
Thanks for your reply, I'll try to catch you on skype !
If I had one comment, the sensibilisation about sanitation emergency really depend on the kind of festival ... your design is probably more adapted to big events which usually involve a lot of alcohol, drugs and crazyness, than little eco-festival where people would be probably more receptive.

Best of development in your great project, we'll keep a sharp eye on it so thanks for sharing news.

Ben]]>
User interface Sat, 11 Oct 2014 19:50:55 +0000
Re: Low-cost sanitation for emergencies - Aerosan in New Delhi - by: Andrew http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10426 http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10426
Thanks for your comments and interest!

@Ben: The festival idea is one we've been thinking about for a while--we're just not scaled up for it yet, but it is something we like. One thing, it provides the festival-goers (who are often interested in developing-world issues anyway) a chance to see how this works--both for them (while at the festival) and for others of the world, who find themselves in a humanitarian emergency. So I think that is a good angle. I will look at the links you have there on festival toilets in Europe. One of my very good friends, Rodrigo Silva, has worked at Boom in Portugal for several years. He and I were tent-mates in Port-au-Prince right after the earthquake in 2010. Do you know him by chance? I will copy my colleague, Hana Nelson, and let's see about the Florent connection. My skype is andrew.larsen66--feel free to add me and we can talk more. I am 8 hours behind you (France).

@Chris: The choice for UD or all-in-together can be done as a final design stage, though at this point it is all-in-toegether. That's how we're currently set up in Haiti. That was easier to implement. I have a lot of ideas about UD since there are many benefits as you know. The excreta are collected in a bag which is made out of the same, very durable, reused billboard fabric.

The chimney is simply black billboard fabric. As it turns out, all the billboard fabric is either white or black on one side with the printed advertisement on the other. We get both types since the white is better for the cubicles (less solar gain), and the black is ideal for the ventilation plenum (chimney). All of it is flex PVC with a nylon scrim embedded into it, and, all of it has UV-resistance built into it. The level of "embodied engineering" as I call it, is quite high--thus the main reason I like it so much as a reuse thing.

In a rain event, the structure sheds water very well (we've lived through two hurricanes in Haiti since we put those up), and the bag keeps all excreta out of the water--be it rainwater or groundwater--that is a key design feature. We do not want any untreated excreta having any communication with random water of any kind.

The optimal diameter of the chimney is a guess at this point--more is better--is the strategy, but I want to research that particular question. At first glance, it is related to the surface area of the plenum--the larger it is the slower the air can move (driven by the Venturi flowing above) in order to move a lot of air--but there are limits to that. We will also be measuring air velocities through the system as the relate to ambient conditions--that is, I want to have sensors in the plenum and at the toilet openings and map out what happens at a variety of outside conditions. This is a research area we are getting into hopefully soon (we will be collaborating with some other engineers on this problem).

We have measured the velocities and they are variable. At times there will be a very strong draw (into the toilet opening) indicating good airflow, but at other times things slow down or stop. I think the multiple unit array may experience manifolding problems which may make it so air is going into one toilet and possibly exiting another--again, this is something I want to test. In any case, the odor control has been excellent, according to our families in Haiti who are using the current ones. Moving more air than is necessary for ventilation crosses into the realm of having as much as possible for aerobic composting (even if it is not complete at the toilet stage).

We don't know for sure on life of the vinyl fabric but it seems to be lasting quite well (units installed in July 2012). It's pretty stout stuff so I think it's up to the task for quite a while. There is no comparison with the standard blue tarps which degrade really quickly in the incessant UV of tropical sun.

Ya, I like the cement idea--where the fabric becomes the form for the application. We've thought about that too, but haven't gone down that road yet. Like you say, it could be an interesting way to make an emergency unit more permanent--which is nearly always needed in most emergencies.

Thanks to both of you for your questions and comments--let's keep the discussion going. I apologize for not being on the forum--I just need to have it be a regular thing that I'm watching going forward.

Thanks Elizabeth for the original post and pictures!

Regards,

Andrew]]>
User interface Wed, 08 Oct 2014 22:11:50 +0000
Re: Low-cost sanitation for emergencies - Aerosan in New Delhi - by: canaday http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10380 http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10380
This is a very interesting system. I have some questions:
## What is going on inside? (How are feces collected? Is urine kept separate? If so, where does it go? etc.)
## Is the black cloth for the chimney simply billboard cloth painted black? (What paint?)
## What happens when it rains? (Does it just soak into the ground, without getting the feces wet?)
## What is the optimal diameter of the chimney (and how can this be determined)?
## Have you measured the velocity of the air?
## Does air ever go the wrong way?
## How long would the vinyl billboard material last in a permanent use in the sun?
## How are things going in the field?

For a more permanent application, a thin layer of cement (potentially mixed with clay, polypropylene fibers from old sacks, resin, etc.) could be blown or splattered onto the outside.

Thanks, Ben, for bringing this back to the surface.

Best wishes,
Chris Canaday]]>
User interface Sat, 04 Oct 2014 10:48:18 +0000
Re: Low-cost sanitation for emergencies - Aerosan in New Delhi - by: ben http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10377 http://forum.susana.org/forum/categories/106-user-interface/3425-low-cost-sanitation-for-emergencies-tested-in-haiti-aerosan-usa-and-haiti?limit=12&start=12#10377
I wanted first to congartulate you on this amazing product you made, every little detail is very smart, simple and functional. And on top of that, you actually made it very attractive ! Bravo

Some idea was crossing my mind as I'm starting a dry toilet renting company in the south of France : What would you think to replicate and adapt your system for festivals here in France, and a part of the benefits would go back to some of your programs.

I'd like to develop different models of peer to peer development, just like Chris ELAIN who wrote a book on dry toilets systems and proposed then to finance a program with the benefits.

You can see here discussions on the festival toilet market in Europe. I have no doubt your design adapted to "mix this with humour, art, music and education/awareness raising." as says Enno, would be real a hit here !
I work with flax fiber and composite materials here, many design fantaisies are therefore possible.

As was mentionning Florent, the annual meeting of french dry toilet renters is happening next weekend and I could talk about this with then. Everyone there is pretty activist so we could develop together and share an adapted "open source" design that any renter could use in France at the condition some money is given to your program. The contract would be moral though, no law in france would support this arangement, what would you think ?

You can contact me at this adress This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Looking forward to hear from you,

Ben]]>
User interface Fri, 03 Oct 2014 13:58:20 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: mchalej http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10343 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10343 User interface Tue, 30 Sep 2014 18:50:03 +0000 Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: mchalej http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10342 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10342
Also agree with the target being peri-urban (and rural) customers with some land.]]>
User interface Tue, 30 Sep 2014 18:47:49 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: mchalej http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10341 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10341
Thanks for your comments and please accept my appologies for the delayed response. See answers below:

- SaTo stands for Safe Toilet
- It's made of polypropylene
- We've tested several samples to more than 500,000 cycles without any sign of failure
- Once installed it is nearly impossible to remove or damage the door. The angle at which it can be attacked does not allow very direct application of force to the hinge.
- Yes. I believe it could be coupled with sustainable ways to treat the excrement. Walter Gibson was evaluating it with his tiger worm system.
- We are not currently exploring waterless options or UDDT, but are developing alternative versions of the approach for lower water use areas.]]>
User interface Tue, 30 Sep 2014 18:42:25 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: Alfonso http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10187 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10187
We are currently working on Sanitation Marketing component within the framework of a basic sanitation programme/campaign in Tanzania and it looks it may solve some challenges we have encountered when looking for affordable and hygienic latrine solutions.

Please keep us updated.

Thanks.


Alfonso]]>
User interface Tue, 16 Sep 2014 01:42:36 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: JKMakowka http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10176 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10176
Concerning the new system specifically for Africa... I would recommend to more clearly define your potential customers: Africa is huge and there are big differences in what is appropriate for various different population groups and geographic regions. Bangladesh is maybe a too simple case compared to that (lots of water everywhere and almost completely Muslim... very densely populated too).

My suggestion is to concentrate on the peri-urban lower middle-class, especially those that do own a little land so that they are willing to invest in sanitation infrastructure (most other don't and landlords mostly don't bother either).]]>
User interface Mon, 15 Sep 2014 10:43:20 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: FranzH http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10173 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10173 I allows you to convert a stinky place into a really IMPROVED facility at a very affordable cost.
Was also surprised that in Kampala this is not only applied by Water for People (the official partner) but other NGOs as well!
So in my view it is being understood and picked up quickly, a product that does not need subsidies!

I fully agree that it combines perfectly with the BioFil approach.
Maybe the developers should also make that into a low cost industrial product?

Some of the observed difficulties were to be expected ....

FH]]>
User interface Mon, 15 Sep 2014 09:24:21 +0000
Re: Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: canaday http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10148 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10148
Congrats on the very affordable $1.50 price tag mentioned on your Popsci link, for this pour-flush squat pan.

Questions and comments:
<> What does SaTo mean?
<> What sort of plastic is it made of? (HDPE? Polypropylene?)
<> Have you tested how many flushes the trap-door mechanism can withstand?
<> How susceptible is it to vandalism?
<> Could this be marketed with sustainable ways to treat the excrement, such as Stephen Mecca's treatment ?
forum.susana.org/forum/categories/106-us...imit=12&start=12
or with tiger worms or Black Soldier Fly Larvae ?
<> In places with dry, absorbant, non-floodable soils, with dispersed settlement, this could potentially be marketed as a ready-to-go ArborLoo, emptying into one and another shallow hole, where trees later get planted.
<> Could this same know-how and fine design be applied to more sustainable and ecological waterless options, such as the UDDT? Does American Standard offer anything like a UDDT?

Best wishes,
Chris Canaday]]>
User interface Sat, 13 Sep 2014 13:43:35 +0000
Sanitation Product Development for Sub-Saharan Africa - affordable, aspirational latrine products, SaTo (American Standard Brands, USA and Water for People) - by: mchalej http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10144 http://forum.susana.org/forum/categories/106-user-interface/10144-sanitation-product-development-for-sub-saharan-africa-affordable-aspirational-latrine-products-sato-american-standard-brands-usa-and-water-for-people#10144
The title of the grant is:

Sanitation Product Development for Sub-Saharan Africa - Development of affordable, aspirational latrine products for markets in Sub-Saharan Africa

• Name of lead organization: American Standard Brands
• Primary contact at lead organization: Jim McHale
• Grantee location: Piscataway, New Jersey, USA
• Developing country where the research is being or will be tested: Kenya, Zambia, Uganda
• Start and end date: July 2013 – December 2015
• Grant type: Other (i.e. not. Global Challenges Explorations, Reinvent the Toilet Challenge)
• Grant size in USD: $277,749

Short description of the project:
In early 2013, American Standard launched the SaTo® latrine pan in Bangladesh: a simple, plastic, pour-flush pan that provides an air-tight seal, keeping odors in and insects out of the pit. The scarcity of water and relative expense of concrete limits the application of the SaTo® pan across many areas of rural Sub-Saharan Africa, and a new product concept that better meets these specific market needs would have greater acceptance and impact. Advanced design / product development methodologies and tools will be used to gain a deep understanding of the market needs and create an affordable yet aspirational product concept. The concept or concepts will be evaluated through focus groups and field trials, and the most promising candidate or candidates will be considered for commercialization.


At the recent Reinvent the Toilet Fair: India, American Standard engineers Jim McHale, Ph.D. and Daigo Ishiyama shared the company's innovations for providing affordable, aspirational sanitation products for residents of developing countries.


The mechanical and water seals created by this trap-door style SaTo hygienic toilet pan have improved the quality of life for residents of Bangladesh by keeping flies and insects out, in addition to reducing the unpleasant sights and smells, of open pit latrines.

Goal(s): Commercialization of one or more products that facilitate the construction of hygienic rural latrines.

Objectives: Commercialization of one or more products that facilitate the construction of hygienic rural latrines.

Research or implementation partners: Water for People, iDE - Zambia, UNICEF- Kenya

Links, further readings – results to date:

For information on the SaTo latrine pan see:

Press release:
www.americanstandard-us.com/companyinfo/pressroom.aspx?id=856

Blog:
blog.americanstandard-us.com/innovation-...ory-page/?catposts=y



www.popsci.com/bown/2013/product/american-standard-sato

www.rdmag.com/award-winners/2014/08/sanitation-third-world

www.fastcoexist.com/3029975/a-simple-yet...-150-sanitation-idea

www.msnbc.com/craig-melvin/watch/prevent...untries-265238083550

Current state of affairs: Multiple concepts developed and samples being prepared for field trials

Biggest successes so far: N/A

Main challenges / frustration:
Observed design challenges in Kenya and Zambia relative to Bangladesh: (1) Little to no manufactured materials are used in rural, residential latrine construction. Product must be capable of mating with irregularly shaped holes. (2) Water is available but scarce and costly. Product must require less than 100ml per use and preferably requires no water for use. (3) Manufacturing plastic parts is possible, but cost is relatively high compared to other areas. (4) Squatting position is common and preferred, but a toilet on which one can sit would not be rejected and could be perceived as more aspirational. Feedback is inconsistent.

If you have any questions or comments, please don't hesitate to ask here on the forum.

Jim

Jim McHale
VP – Research, Development, & Engineering

American Standard Brands
865 Centennial Avenue
Piscataway, NJ 08854

www.americanstandard-us.com/]]>
User interface Fri, 12 Sep 2014 16:48:24 +0000
Re: The Earth Auger Toilet: urine-diverting composting toilet (Fundacion In Terris, Ecuador) - our first injection molded model is now out! - by: chuckhenry http://forum.susana.org/forum/categories/106-user-interface/4079-the-earth-auger-toilet-urine-diverting-composting-toilet-fundacion-in-terris-ecuador-our-first-injection-molded-model-is-now-out?limit=12&start=24#9807 http://forum.susana.org/forum/categories/106-user-interface/4079-the-earth-auger-toilet-urine-diverting-composting-toilet-fundacion-in-terris-ecuador-our-first-injection-molded-model-is-now-out?limit=12&start=24#9807 User interface Tue, 19 Aug 2014 19:15:33 +0000 Re: The Earth Auger - our first injection molded model is now out! - by: JKMakowka http://forum.susana.org/forum/categories/106-user-interface/4079-the-earth-auger-toilet-urine-diverting-composting-toilet-fundacion-in-terris-ecuador-our-first-injection-molded-model-is-now-out?limit=12&start=24#9777 http://forum.susana.org/forum/categories/106-user-interface/4079-the-earth-auger-toilet-urine-diverting-composting-toilet-fundacion-in-terris-ecuador-our-first-injection-molded-model-is-now-out?limit=12&start=24#9777
Is it possible to switch the foot pedal to the other side?]]>
User interface Sun, 17 Aug 2014 13:11:28 +0000