This paper aims at developing a benchmark simulation model to evaluate control strategies for the urban
catchment and sewer network. Various modules describing wastewater generation in the catchment, its
subsequent transport and storage in the sewer system are presented. Global/local overflow based evalu-
ation criteria describing the cumulative and acute effects are presented. Simulation results show that the
proposed set of models is capable of generating daily, weeklyand seasonal variations as well as describing
the effect of rain events on wastewater characteristics. Two sets of case studies explaining possible ap-
plications of the proposed model for evaluation of: 1) Control strategies; and, 2) System modifications, are
provided. The proposed frameworkis specifically designed to allow for easy development and comparison
of multiple control possibilities and integration with existing/standard wastewater treatment models
(Activated Sludge Models) to finally promote integrated assessment of urban wastewater systems.
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