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Control Systems & Automation
SCADA (Supervisory Control and Data Acquisition)
Our team of experts can cater custom SCADA solutions for any size project.
Supervisory Control And Data Acquisition (SCADA): a system for monitoring and controlling utility and industrial facilities (ex: electrical substation, power plant, water treatment plant). Computer hardware and software are networked and used to gather information and control processes from on site or remote facilities.
To serve our utility clients in today’s ever-evolving digital landscape, the DGR Engineering (DGR) electrical power department offers custom Supervisory Control And Data Acquisition (SCADA) solutions for our clients. SCADA functionality needs can vary widely based on characteristics of an individual utility. DGR’s experienced staff is uniquely equipped to provide solutions for any budget or functionality requirements. While many vendors and service providers are equipped to provide certain aspects of the projects, DGR offers comprehensive solutions.
Two types of SCADA systems are typically offered: The first is an enterprise SCADA system which comes with high-end features and dedicated support personnel. This enterprise option typically has a higher initial cost, requires greater staffing commitment, and an annual maintenance agreement.
DGR provides detailed assistance with the design, specification development, bidding, procurement, project management, as well as implementation of the enterprise SCADA system. DGR’s expertise enables us to specify a custom set of features, which will meet current needs, be scalable to accommodate future growth, and include cutting-edge network design and cybersecurity products. DGR reviews SCADA vendor bids and provides a recommendation for award. DGR works closely with utility staff and the vendor to design, train, and implement the new system.
Where an enterprise-class system is not required, an alternative SCADA solution can be designed and built by DGR. It is supported internally with off-the-shelf equipment and software. This solution produces a quality SCADA system with many similar features, with the benefit of lower initial and on-going maintenance costs. This SCADA solution involves working closely with utility personnel and IT staff to define the scope of work, budget, and schedule. Any necessary communication infrastructure modifications are then made, along with equipment and software procurement. DGR designs the system, builds databases, creates custom display screens, commissions the system, and trains utility staff.
Contact a SCADA specialist for more information and to get your project started.
Wastewater Treatment Facility
City of Huron Plans for Future
by Expanding Wastewater Treatment Facility
Project Owner:
City of Huron, SD
Unique Project Challenges:
- A desire to simplify a complicated piping network that also needed to remain in operation during construction.
- PVC resin shortage due to a catastrophic Texas storm resulted in force majeure declaration on large diameter PVC pipe.
- Navigating Covid mandates/unknowns during design followed by Covid-related supply/demand issues during construction.
- Cold weather SBR startup due to construction delays.
- A manufacturing error of a critical SBR component required creative thinking by the project team, leading to an acceptable solution.
- Corrosive soils at the site presented unique challenges with operating temperatures of the air piping and traditional pipe coatings.
Key Features:
- Upgrades to existing pretreatment facility including mechanical screen, grit removal and conveyor replacement
- Replacement and relocation of aging 18" diameter forcemain
- New anaerobic lagoon lift station
- Simplified process operations
- New continuous flow sequencing batch reactor (SBR) treatment facility
- Standby generation
- SCADA system improvements
- Peak month capacity of 5.19 MGD
- Peak day capacity of 8.0 MGD
The City of Huron, South Dakota, a community of just over 14,000 people in Beadle County, is actively preparing for its future growth. The City's existing wastewater treatment facility, which dated back to the 1930's, was nearing the end of its useful life and was undersized for the City's future needs. In addition, increasing population, more stringent regulatory effluent requirements, and the City's desire to provide treatment capacity for future economic development opportunities, prompted the need for improvements to the City's wastewater treatment facility.
The City completed a Facility Plan in 2019 to analyze future wastewater flows and loadings, summarize existing major equipment replacement needs, and to evaluate wastewater treatment alternatives. As part of the Facility Plan, the City elected to move forward with a sequencing batch reactor (SBR) treatment process. With extensive recent SBR experience, DGR Engineering was selected to work alongside the City to evaluate the various SBR manufacturers based on site visits, manufacturer presentations, and past experiences. The City determined a flow-through style SBR system to be the preferred choice, based on the jointly-developed selection criteria and the ability to meet anticipated permit limits.
In addition to constructing a new four-cell SBR, the project consisted of rehabilitation to the existing preliminary treatment building (including replacement of the existing mechanical bar screen and vortex grit removal system), HVAC improvements, gate and plate replacement, and the addition of an anaerobic cell lift station. A full-plant supervisory control and data acquisition (SCADA) system was incorporated in the project for remote monitoring.
The new facility, rated for 8.0 million gallons per day (peak day), nearly doubles the capacity of its predecessor. The expanded capacity will provide for for future population and industrial growth as well as economic development.
Construction began in 2021 and was substantially complete in 2023. The $12.8 million construction costs were financed through the Clean Water State Revolving Fund (CWSRF)
Project Approach
- Jointly worked with the client to evaluate various treatment alternatives to select an option that meet the client's treatment goals at an affordable cost.
- Evaluated several locations for the SBR location and the impact on future downstream processes for more stringent regulations.
- Analyzed existing infrastructure and process control to determine simplified alternatives.
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Control Systems & Automation
Our team of experts can cater custom SCADA solutions for any size project.
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DGR Engineering offers a “one-stop shop” for planning, designing, permitting, right-of-way and easement acquisition services, and construction administration needs.
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The improvements delivered a cost‑effective, long‑term solution that enhanced reliability, met regulatory requirements, and advanced system capacity goals.
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