No single point of failure
Independency also means that all equipment functions as it should. In the 15 foot body all precautions are made to ensure this is so. The total technical infrastructure is engineered with parallel back-up systems and easy to acces & replace or repaire facilities. There are many examples including the solar system (consisting of 2 sets of 2 parallel panels), the 2 parallel lithium Ion battery packs, the double drains in the grey and black water tanks, multiple heating systems and so on.Technical infrastructure with parallel back-up systems
The principle is that you can switch over or quickly repair without losing precious time. Once you have reached a destination with the necessary facilities, you can make the appropriate structural adjustments or full repairs.