SCADA System Controls Combined Sewer Overflow Regulation System to Optimize Wastewater Collectionby Russell W. Batzel, (M.ASCE), Black & Veatch,
Abstract: The Metropolitan St. Louis Sewer District's Overflow Regulation System (ORS) project uses computer control of a wastewater collection system for the purpose of combined sewage overflow (CSO) regulation. The $120 million project requires a Supervisory Control and Data Acquisition (SCADA) System to monitor and control pumping stations and sluice gates in the 197 square kilometer Bissell Point watershed. Design and construction contracts have been phased over ten years so portions of the project are complete and operational with the total project scheduled for completion in 1994. The St. Louis ORS project integrates existing flood protection and pollution abatement facilities to prevent dry weather sewage overflows. With 41 pumping stations and nearly 200 gates to monitor and control, the system could not be managed to eliminate dry weather overflows and maintain adequate flood protection capabilities without a computerized system that can provide real time control.
Subject Headings: Overflow | Pumping stations | Control systems | Sewage | Wastewater management | Gates (hydraulic) | Watersheds | Water pollution
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