Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
Chapter 7 of this handbook provides technical guidance for design and construction of sand dams. The author also presents interesting cases, where sand dams were constructed wrong or maintenance was neglected.
NISSEN-PETERSEN, E. (2006): Water from Dry Riverbeds - How Dry and Sandy Riverbeds Can be Turned into Water Sources by Hand-dug Wells, Subsurface Dams, Weirs and Sand Dams. Nairobi: ASAL Consultants Ltd. URL [Accessed: 11.03.2011] PDF