Conference Agenda
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Daily Overview |
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SES 2-3-3: RTC 1 Location: HSB2 Session Chair: Baiqian Shi Session Chair: Komal Jabeen | |
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2:30pm - 2:45pm
Forecast and Real-Time-Control for the Sewer System of Warsaw, Poland 1: Institute for Technical and Scientific Hydrology GmbH (ITWH GmbH), Hannover, Germany; 2: ITWH Sp. z o.o., Warsaw, Poland; 3: Bureau of Research and Technology, Warsaw Waterworks, Poland The Sewer Department of the city of Warsaw, Poland in collaboration with ITWH GmbH restructures and expands the sewer network. The objective of the initiative is to reduce combined sewer overflow (CSO) volume and limit the number of registered CSO events. A real-time-control system is established to facilitate centralised control of pumping stations and storage channels, thereby ensuring efficient utilisation of retention space. A digital hydraulic twin of the sewer network is developed. This tool allows real-time access to current conditions and predictions of hydraulic conditions up to two hours into the future. The creation of a fine-resolution precipitation forecast is facilitated by the incorporation of radar, rain gauge, and disdrometer data, which serves as an input for the hydraulic prediction feature. Real-time data of water level and flow measurements is directly used in the digital twin for an online calibration of the sewer network through the adjustment of water levels. The accuracy of the volume prediction is heavily dependent on the initial calibration and is repeatedly affected by changes in the sewer network, as manual readjustment is necessary. | |