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The discussion of urban demands thus far has focussed on residential urban demands. Demands generated at a UD Scenario template provide for indoor and outdoor residential demands but not for non-residential urban demands (public use areas such as parks and sports grounds and commercial and/or industrial demands) and nor for non-revenue water losses due to e.g. fire hydrant use or losses due to leaks. These non-residential and non-revenue earning components of total demand form part of the base component of urban demand, although non-residential demand can also have a variable component related to e.g. parks watering.
Model calibration therefore should take into consideration:
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