Stream L: Municipal Utility Operations


12.1 An operator’s perspective: Challenges and strategies on Canadian regulatory changes

12.2 Greenest city, greenest water and sewer utility

12.3 Case study of Dawson Creek's municipal SCADA



12.1 An operator's perspective: Challenges and strategies on Canadian regulatory changes

Presented By: Paul Lam, Metro Vancouver.
Time: Tuesday, 2:00 - 2:30 PM

The federal Wastewater Systems Effluent Regulations (WSER) monitoring requirements came into force in January 2013 and its effluent criteria come into effect January 2015. Environment Canada and British Columbia Ministry of Environment are both engaged in developing an equivalency agreement so that the requirements for wastewater discharges will be harmonized. Until such an agreement is in place, wastewater treatment facilities in British Columbia will be required to comply with both federal and provincial regulations.

A regulatory risk analysis done in 2012 showed that Metro Vancouver's five wastewater treatment plants (WWTPs) would not be compliant with WSER criteria in a number of areas, resulting in a series of capital projects requiring implementation. In the interim, two primary plants Lions Gate and Iona Island WWTPs will require Transitional Authorizations for discharging effluent not compliant with WSER prior to completion of upgrades to secondary treatment. However, securing capital funds for wastewater expansion or upgrades is a challenge for Metro Vancouver and, more specifically, the 18 members of its Greater Vancouver Sewerage and Drainage District. The Metro Vancouver Board of Directors has yet to approve construction funds for the new North Shore WWTP, the secondary treatment upgrade to replace Lions Gate WWTP, and will not do so until funding mechanisms have been determined.

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12.2 Greenest city, greenest water and sewer utility

Presented By: Donny Wong, City of Vancouver.
Time: Tuesday, 2:30 - 3:00 PM

In 2011, the City of Vancouver adopted a plan to become the Greenest City in the world by 2020. Numerous targets were adopted by Council to allow the City to make progress toward a number of aspirations goals 1) Zero Carbon, 2) Zero Waste, and 3) Health Ecosystems.

Part of being the Greenest City is also taking the steps to Green the City's Operations - leading by example & walking the walk. This presentation will outline the Green Operations Plan developed for the Engineering Services Department.

Not only does that include optimizing our vehicle fleet, physical works yards and office spaces, but also our Water and Sewers Utilities. In fact, a significant portion of the City's waste and carbon output are associated with our ongoing construction and maintenance programs.

Through a year-long process, we've engaged various departmental stakeholders and have detailed a number of projects that reveal a potential payback and value for money. The projects are triple wins – show operational savings and efficiency, promotes collaboration across operational branches, and of course reduces the environmental footprint of the Department.

This presentation will outline the work to date, predicted outcomes, and next steps towards the 2020 goal.

pdf iconPresentation PDF


12.3 Case study of Dawson Creek's municipal SCADA

Presented By: Sean Bouchard, ICI Electrical & Control Consulting Ltd.
Time: Tuesday, 3:00 - 3:30 PM

The City of Dawson Creek possesses an advanced infrastructure of water and wastewater systems throughout the region. The City successfully operates a profitable water sales business providing critical water to commercial, agricultural and industrial clients (including Shell) while monitoring the entire system remotely through SCADA (Supervisory Control And Data Acquisition) architecture.

SCADA allows for detailed remote access to process variables and critical maintenance parameters at any point in the system. At the core of the network is a redundant data server managing over 8000 individual points of data with update rates of less than two seconds. Data is logged and backed up through a series of local and remote storage devices with the capability of trending process variables over multiple years of operation. The trending capability is accessible through any one of the three SCADA workstations located in the City's main facilities. Alarm handling for critical events is supported through redundant servers operating Win911 software and contacting Operators through standard phone lines.

The backbone of the Ethernet network is a combination of unlicensed and licensed radios with primary sites connected through direct fiber connections. End point devices on the network include, but are not limited to: flow meters, soft starters, power meters, variable-frequency drives and lighting controls.

The crown jewel of the Dawson Creek's water system is the newly commissioned, LEED certified Reclaim Facility, providing up to 4000 cubic meters per day of reclaimed sewage effluent, meeting unrestricted public access effluent quality standards.

pdf icon Presentation PDF



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