A Rainbank
Water falls from the sky as a gift from above. It evaporates as it hits dry, arid land, or it sinks deep into the soil. For a while, it gives new life. Then, it's gone. Let's keep some of it
WATER: A MATTER OF SURVIVAL
Nothing can replace water. It has no substitute. It is essential to life and to live. Safe water supply is the natural primary need of every community, as much as air: lack of water implies diseases and death, economic struggles; a thwarted development, and, in many areas, progressive desertification and higher risks of brush or forest fires.
We need it every day of our lives, in the home for domestic use, in the fields for farming and herding, in the forests for the survival of wildlife and natural resources, in the work place, be it shop or industrial complex, for daily activities and production.
It is very difficult to even survive on less than 5 gallons of water a day. Yet, for many, that is all they will have in times of plethora. In times of drought, this trickles down to a few glasses per day, not enough to cook, or wash, or drench their thirst in the arid regions, where vegetation and children die of thirst.
The Rainbank system, conceived essentially as a foldable and portable rainwater harvesting system, should help these communities. The concept is a simple one and relies on old traditions: a harvesting area, a storage tanks, filters, pipes, and pumps. It takes into account: the number of users, daily consumption per user, number of days of consumption, average Rainfall, and available catchment surface.
Inflatable tanks have been used by the military for nearly three decades, to store water and fuel; and Saudi Arabia has been using them to store gasoline in the desert.
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