The tower also sports a canopy that offers shade to people drawing the collected water. Any rainwater and overnight dew also collects in the tank. These droplets fall into a collector and a large tank. It consists of a lightweight woven bamboo structure, while an inner plastic mesh retains water droplets from passing fog. The bamboo tower, once completed, rises to a height of 10 metres, weighs 60 kg and is secured to the ground with eight guide ropes. The tower can collect an annual average of up to 100 litres of water per day. The vertical tower-like structure, constructed using bamboo, hemp or bio-plastic, has been successfully installed in Ethiopia, which faces severe scarcity of potable drinking water. In the absence of rain, fog and dew can also contribute to generating water. Warka Water uses natural phenomena of gravity, condensation and evaporation to harvest potable water from the atmosphere. As an added bonus, the tower is environmentally-friendly and relatively cheap to build. It’s a tower that turns humidity into drinking water for rural communities living in arid areas. Warka Water was developed by an Italian architect. It should not be considered as the solution to all water problems in developing countries, but rather as a tool that can provide clean water in selected areas, particularly in mountainous regions where conventional pipelines will never reach and where water is not available from wells. It is first and foremost an architecture project. Warka Water is an alternative water source to rural populations, who traditionally face challenges in accessing drinkable water.
WARKA WATER TOWER INSTALL
The team is planning to install its latest Warka Water prototype in India later this year. Warka Water won the World Design Impact Prize awarded by the International Council of Societies of Industrial Design (ICSID), on March 18, 2016. The Chennai-based engineer hopes to build many such towers in the Vidarbha region of Maharashtra, once he tastes success in Salem. This Warka Water prototype, basically a bamboo tower, can harvest condensation in the atmosphere to generate potable water and help drought-hit farmers across the country. The tower not only provides a fundamental resource for life, but also creates a social place for the community, where people can gather under the shade of its canopy for education and public meetings.To tackle India’s growing water crisis, a Chennai-based chemical engineer, Selva Ganapathy, is building a prototype water solution called Warka Water, which was first introduced in Ethiopia, and will now be replicated in Salem, Tamil Nadu. Warka Water relies only on natural phenomena such as gravity, condensation, and evaporation and does not require electrical power. Inside the bamboo structure hangs a plastic mesh that collects droplets of water from high humidity in the air, as well as the collector for dew and rainwater. There are 16 fixation points placed radially around the tower’s base, where a network of ropes are attached and fastened to stabilise the tower and allow it to withstand very strong winds. It is also modular and foldable, making it easy to transport. The triangulated frame structure is optimised for lightness and strength and offers both stability and robustness. The latest prototype is 36 feet tall and weighs only 176 pounds. Warka Water is realised with local and biodegradable materials such as bamboo, fibre ropes, and bio-plastic. Termite hives influenced the design of Warka’s outer shell, its shape and geometry, while Ethiopian basket-weaving and vernacular architecture served as an additional source of inspiration.īuilt with simple tools, Warka Water is designed to be owned and operated by the villagers, a key factor that will facilitate the success of the project. Warka Water identified specific materials and coatings that enhance dew condensation, water flow, and storage capabilities by studying the Namib beetle’s shell, lotus flower leaves, spider silk, and the integrated fog collection system in a cactus. Many plants and animals have developed unique micro- and nano-scale structural features on their surfaces that enable them to collect water from the air and survive in hostile environments. The Warka’s water harvesting technique and construction system are inspired by biomimicry, which engages the imitation of natural phenomena for the purpose of solving complex human problems. With the objective of providing an average of 100 litres of drinking water every day, Warka Water collects rain and harvests fog and dew. Warka Water is an alternative water source for rural populations in Africa that face difficulties accessing drinking water.
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