FINAL SYSTEM PERFORMANCE At the end of the first two development phases, the houseboats on the Schoonschip site should be fully self-sufficient in renewable heat and electricity, water collection and upgrading, and have much lower resource demand than conventional homes. The buildings themselves will not only be highly eco-efficient, but also designed in a variety of architectural styles with creative exterior finishing. The community will have its own wastewater treatment system that recovers all valuable nutrients from wastewater and organic waste streams for on-site food production. Individual households have greenhouses in which some food is produced and heat is collected. These small greenhouses will compliment a larger greenhouse installation on site, producing the bulk of the fresh produce required for the community. Chickens, bees, and a few goats will also be raised in the floating community gardens in between the piers, adding some diversity to the local food supply. An intelligent monitoring and management system will support the efficiency, visibility, accessibility, and capacity for improvement of all of the clean technologies on site. This system will showcase resource flows and ensure wastewater and nutrient delivery systems are working properly. Sensors will measure amounts of organic waste processed, biogas produced, and nutrients recovered. The system will keep track of flows of nitrogen and phosphorus, pathogen levels in water, the pH of nutrient streams, and efficiency rates of different energy conversion processes, such as organic waste into biogas into electricity. As each boat will have its own electricity production, a microgrid installed in phase three will enable load balancing. The system uses demand response to indicate optimal times to do laundry and when more energy production is necessary. It sells energy back to the grid in times of excess and stores it temporarily when grid prices are low. Green roofs, plant walls, flowers, and greenhouses will create an environment that showcases a new vibrant healthy, and nurturing urbanism. A community biodiversity monitoring program allows individuals to report sitings of birds, amphibians, and other animals spotted on site to track how the neighborhood is impacting the surrounding ecosystem. TARGETS ACHIEVED: › 100% renewable heat and hot water supply › 100% renewable electricity › 100% wastewater and organic waste treatment › 100% water self-sufficiency › 60 - 80% nutrient recovery › 50 - 70% reduction in electricity demand over conventional › 60 - 70% vegetable & fruit production using locally recovered nutrients › › › › sensor network and real-time system performance displays community facilities for resource sharing and support of group cohesion electric mobility capacity support of biodiversity Pagina 66
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