Figure 1-7. ECOSAN toilet system ("Waterless toilet system product information; Ecosan dry sanitation toilet", 2021) 1.5.3
Hand washing considerations
Hand washing system is stalled outside of the toilet. The functions of this outdoor hand washing system is shown in the pictures below (figure 1-8). Combined with the rainwater system, the water pipe will connect to the drinkable filtered water tank. Under the pool of hand washing has a grey water tank, which can collect the waste water used for hand washing to do the watering. The use of the grey water will be highlighted in the landscape part in the following as well.
Figure 1-8. Hand washing systems
1.6 Power considerations In the day time, the house takes advantage of the passive design to provide the enough natural lights, which will be explained in the part of architecture. By considering other 9
