Fossa Alterna

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The Fossa Alterna is a short cycle alternating, waterless (dry) double pit technology. Compared to the double VIP which is just designed to collect, store and partially treat excreta, the Fossa Alterna is designed to make an earth-like product that can be used as a nutrient-rich soil conditioner. The Fossa Alterna is dug to a maximum depth of 1.5 m and requires a constant input of cover material (soil, ash, and/or leaves).

References

Compendium of Sanitation Systems and Technologies. 2nd Revised Edition

Glossary Term Name

Fossa Alterna

Legacy NID

3623

Legacy VID

30158

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