Home > design, sanitation, toilet, WatSan, World Toilet Summit > Reminder: African Toilet Design Competition

Reminder: African Toilet Design Competition

Mon, 13Aug2012



To discover a toilet concept design, which in its design, will address the various sanitation and related challenges faced by the millions of Africans i.e. no or limited access to water resources, scarcity of water resources, the absence of adequate bulk infrastructure (water and waste water works), high levels of unemployment and poverty, inadequate or no housing structures, disease, hunger etc. and in doing so, afford access to acceptable, safe and adequate sanitation whilst promoting the harvesting of by-products such as compost and urine for the establishment of self-sustained food gardens. The winning concept design(s) should adequately address / prevent and/or limited disease mitigation from transmission through the 5 C`s i.e. fluid, feet, food, fingers and flies.

Competition Dates:

Closing Date for Submission 30 September 2012

Short listed candidates Notified 30 October 2012

Winning Designs Announced 4 December 2012

Terms of Reference and Concept Design Specification IMPORTANT:

The design specifications exclude any potential design that:

    •   requires water to operate
    •   requires excavation of ground for installation
    •   resembles VIP or Double VIP Toilets

Design Specification The design should:

  1. Be environmentally friendly i.e. waterless and chemical free
  2. Promote aerobic processes and the dehydration of faecal matter through forced ventilation
  3. Promote urine diversion and the collection thereof (urine collection tank) and the conversion of faecal matter to compost-like material for agrarian use
  4. Be an On-site system i.e. collection and processing of human faecal matter, with little or no off site removal required
  5. Include a heat energy device that promotes further dehydration, creates a negative pressure and promotes an odourless environment
  6. Be self-contained i.e. the design must prevent spillage of both urine and faecal matter into the surrounding soil
  7. Be for a 1: 1 USE to promote household use (family of 4 – 6 people).

Production Parameters:

  1. Portability: Should be light weight, easy to transport and relocate.
  2. Durability: Should be strong in its design and afford vertical weight transfer efficiency of up to 200 Kilograms,
  3. UV – resistant.
  4. The design should be robust in its design in order to withstand the harsh African climate.

 Maintenance Features:

  1. The faecal collection chamber should allow for easy removal during cleaning cycles.
  2. Cleaning cycles, under normal use, should be once every 4 (four) weeks,
  3. Cleaning material/products should to be specified to enhance composting processes – should be certified bio-degradable and compostable.
  4. Personal safety and precautionary measures to be specified and amplified.

  Other Specifications:

The final design:

  1. Should be an above ground toilet system
  2. Should be able of mass production and rapid implementation in target areas though out Africa
  3. Should have a minimal of moving parts
  4. Should be affordable, both in its capital expenditure and monthly cleaning costs
  5. Should necessitate the use of bulking agent and toilet paper “only”
  6. Must be accompanied with the appropriate design specification schedules, cleaning and installation manuals.
  7. Must accommodate for the introduction of CLTS Principles in both its implementation phase and cleaning phase.
  8. All submissions must be accompanied by a sample concept design toilet unit.

Submission details

  • Submissions may be sent electronically via email to webmaster@satoilet.co.za.
  • Sample concept design units (actual toilet) (Shortlisted candidates only) MUST be sent to:
    • Unit 1 Linton Close
      ParowWestern Cape South Africa

      For complete details got to  African Toilet Design Competition

5. Prize Money

S.A. Rand



1st Prize Allocation

55 000

7 500


2ND Prize Allocation

30 000

5 000


3rd Prize Allocation

15 000

2 500

Total Prize Value

100 000

15 000

US$ estimated due to exchange rate fluctuations.
Winning concepts designs will attract commercial relationship with sponsor to further the commercialization of their designs.

Proudly Sponsored by:



For complete details got to  African Toilet Design Competition

all details/text  on this page come directly  from PDF  found at the above site

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