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Technical Papers

RTC Modeling for CSO Control in Ottawa

Wallingford User Conference – September 2007

The City of Ottawa proposes to implement an automated flow control (Real Time Control) system as part of the upgrade of five major regulators that control flow from collector sewers into the central Interceptor Outfall Sewer (IOS).

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Innovative Software Saves Hundreds of Millions on CSO Programs

Underground Infrastructure Magazine – March/April 2007

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An Operational Perspective to Real Time Control for Consent Decree Compliance

Collection Systems 2006

Whether you’re planning to implement a multi-million dollar robust Real Time Control (RTC) system or a scaled-down simple version, there are several critical elements necessary for successful implementation and utilization by the Publicly Owned Treatment Works (POTW) staff.

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Application of Real Time Control for CSO and SSO Abatement: Lessons Learned from 6 years of Operation in Quebec City

World Water & Environmental Resources Congress – 2005

In 1999, the City of Quebec commissioned a global optimal real-time control system (GO RTC) with rainfall and flow predictive capabilities for its westerly district wastewater system. This GO RTC system served mainly to reduce separate and combined sewer overflows in the St. Lawrence River and in the St. Charles River.

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Practical Perspective on Real Time Control

Publication: Water Quality Research Journal of Canada – Volume 39, 2004

Environmental regulation is evolving and will require billions of dollars in investments to improve the operation of wastewater systems and to control the wet-weather pollution.

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Real-Time Control of Urban Water Systems

International Conference on Pumps, Electromechanical Devices and Systems Applied to Urban Water Management PEDS – April 22 – 25, 2003

This paper presents a review of the current state of the art of real time control (RTC) of urban water systems with emphasis on wastewater and urban drainage issues.

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A New Software for the Design and Real Time Operation of Sewer Networks

Ninth International Conference on Urban Drainage, Portland, Oregon – September 8 2002

Real Time Control (RTC) enables to maximize the use of sewer networks, storage facilities, and wastewater treatment plant capacity.

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Real Time Control of Urban Wastewater Systems – Where Do We Stand Today?

Ninth International Conference on Urban Drainage – September 2002

This paper presents a review of the current state of the art of real time control (RTC) of urban wastewater systems. Control options not only of the sewer system, but also of the wastewater treatment plant and of receiving water bodies are considered.

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Optimizing the Operation of Montreal’s Interceptor System

WEAO 2002

The operation of large interceptor systems is complex. In most systems, static regulators are used to limit inflows into interception systems and ensure that treatment plant capacity is never exceeded.

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