Projects

We work with a wide variety of clients in numerous markets. Below are some
featured projects which showcase our work.

Mukilteo Multimodal Terminal

Location: Mukilteo WA
Client: Washington State Ferries
Role: Design – Bid – Build

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The Mukilteo Multimodal Project provides for the design and construction of a new Mukilteo ferry terminal and multi-modal transit facility connecting commuters to train and bus transit. The facility includes passenger and maintenance buildings, a supervisor’s building, transit center and new toll booths. Ergosync performed communication and control systems design and fire detection system design including plans, specifications and estimates. Communications systems included network infrastructure, public address, visual paging, CCTV monitoring, telephones, fare collection, marine radio systems and ferry vessel wi-fi. Control systems included the building management systems, weather monitoring, and PLC control of the overhead passenger loading hydraulics.

I-90 Two Way Transit
& HOV Lane Conversion

Location: Seattle, WA
Client: WSDOT
Role: Project Management – Commissioning

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Ergosync is currently providing Fire & Life Safety expert services and serving as the owners Commissioning Agent for the I-90 Two Way HOV Lane Conversion project. This project includes a SCADA system upgrade for the Mt. Baker and Mercer Island I-90 tunnels. WSDOT selected Ergosynch because of our detailed knowledge of ,the systems in these tunnels. Our team performed the recent PLC upgrade in the tunnels replacing 12 existing PLC’s with over 3500 I/O points and over 40,000 lines of logic. We provided all engineering services including detailed panel drawings, programming, documentation, testing and commissioning.

Wastewater Treatment Plant PLC & SCADA Upgrade

Location: Edmonds, WA
Client: City of Edmonds
Role: Systems Design – Integration

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The City of Edmonds sought to upgrade its aging Wastewater Treatment Plant SCADA system. Ergosync supported the City through an on-call contract to replace the system and develop control strategies and wiring diagrams to guide the upgrades. At project kickoff, Ergosync developed a control strategy and accurate wiring diagrams to guide the upgrades, prioritizing the schedule to enable PLC programming. Throughout the project, control strategy documents were regularly updated to track changes. Ergosync also utilized an innovative tool to auto-generate internal panel wiring diagrams, accelerating the process and reducing costs. The existing HMI hardware was retained, with revised graphic screens integrated for the new PLCs. Ergosync implemented standardized data logging and Historian configuration, aligning with industry best practices and clearly documenting all data sources.

 E360 East Link Light Rail Project

Location: Seattle, WA
Client: Sound Transit
Role: Design – Build

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Erogsync was tasked for the civil systems integration and BMS design for the two stations and parking structure. Throughout the design process our engineers coordinated with all other disciplines to ensure a seamless integration between Civil and Systems contracts. This coordination required extensive 3D modeling using Revit to ensure all design elements were constructible.

WWTP Blower Replacement

Location: Edmonds, WA
Client: City of Edmonds
Role: Design

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The City of Edmonds required a new high-efficiency blower for their secondary aeration process, needing it installed and operational within two weeks to qualify for a significant energy utility rebate. The new blower provides a 30% energy reduction, better aeration control, and quieter operation. Ergosync was brought in for turn-key design services, quickly producing detailed wiring diagrams, network reconfiguration drawings, installation instructions, and test procedures. They modified the existing PLC logic, process control loops, and helped the plant start the blower on schedule, securing the rebate. Ergosync also developed new graphic interfaces for remote control, alarming, data logging, and monitoring blower performance, and successfully established communication between the blower and the plant SCADA system, overcoming challenges with limited original manufacturer documentation.

Atlantic Bus Base Yard Refurbishment

Location: Seattle, WA
Client: King County Metro
Role: Project Management –
Project Controls

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King County Metro (KCM) is undertaking a $45M modernization and enhancement at the Bus Base. The upgrade will replace all concrete paving and underground infrastructure, including storm drainage, sanitary sewer, industrial waste, buried power lines, natural gas, water mains, and rehabilitating underground storage tanks. Additionally, the existing overhead catenary system will be upgraded to support KCM’s expanding electric trolley fleet. Ergosync provided comprehensive document control services, ensuring accuracy and organization by managing version control, facilitating the distribution of documents to project teams and stakeholders, and utilizing document management software for efficient tracking. Key responsibilities also included coordinating document distribution, ensuring compliance and quality control, generating reports, supporting team collaboration, and managing document archiving and retrieval, with a focus on continuous process improvements to enhance document management efficiency.

Federal Way Link Extension

Location: Federal Way, WA
Client: Sound Transit
Role: Design – Build

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This project extends light rail from Angle Lake Station in the city of SeaTac to the Federal Way Transit Center. The 7.8-mile extension includes three stations and three garages.

Ergosync is serving as the Communications Systems design lead and Integration Manager. Work includes communications systems and building management system design. Integration management coordinates interfaces between all civil and systems disciplines.

West Seattle Link

Location: Seattle, WA
Client: Sound Transit
Role: Design

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The West Seattle Link Extension expands Sound Transit’s rail service to the West Seattle neighborhood, adding 4.1 miles of light rail from downtown Seattle to the Alaska Junction area. The project includes four new stations located between SODO and Alaska Junction, enhancing connectivity and accessibility for the region.

West Point Treatment Plant Grit Classifier Upgrade

Location: Seattle, WA
Client: King County
Role: Systems Design – Integration

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This upgrade project involved replacing the existing grit process with new grit cyclones, classifiers, and hopper gates, which required the development of a new instrumentation and control system. Ergosync provided electrical engineering services for the instrumentation and control systems needed to complete replacement of the grit classifier system. We integrated the grit vendor equipment into the existing plant process, ensuring both local and remote-control capabilities. We ensured the new system operated efficiently within the established plant sequence of operations and provided a reliable, fully integrated control solution.

LAMTA Gold Line

Location: Los Angeles CA
Client: LAMTA
Role: Design – Bid – Build

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Ergosync staff led the SCADA design for the Los Angeles Gold Line extension light rail project. Our responsibilities included design of the communication network and interfaces to traction power, signaling, fire and emergency management system, mechanical and electrical systems. Our engineers also designed the access control and intrusion detection system.

Alaskan Way Viaduct / SR99 Tunnel

Location: Seattle, WA
Client: WSDOT
Role: Commissioning

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The Alaskan Way Viaduct replacement tunnel, also known as the SR 99 Tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States. The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north. Ergosync provided commissioning services for both the tunnel systems and building systems. Ergosync was selected by the Prime because of our expertise in tunnel systems.

South 188th Street Tunnel Upgrade

Location: Seattle, WA
Client: Port of Seattle
Role: Design

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The South 188th Street Tunnel is an important connection between the airport and the surrounding metropolitan area and is a key route for the Port, transit providers and local businesses. The upgrades on the tunnel include electrical, air quality monitoring, emergency ventilation, fire and & life safety systems to meet current code requirements. Ergosync led the design for the electronic system upgrades, providing comprehensive plans and specifications for the Port and GC/CM contractor.

I-90 Mt Baker Tunnel & Mercer Island Lid PLC Replacement

Location: Seattle, WA
Client: WSDOT
Role: Design – Systems Integration

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The I-90 highway in Seattle terminates with a floating bridge and two tunnels, both equipped with emergency ventilation, fire suppression, fire detection systems, intelligent transportation systems, traffic controls, and emergency backup power systems. The regional WSDOT traffic management center remotely monitors and controls these systems through a SCADA system built on six PLCs per tunnel. Ergosync led the integration for the complete replacement of these PLCs, upgrading 12 aging units with more than 3,500 I/O points and over 40,000 lines of logic. The project involved detailed wiring diagrams, PLC programming, and database development to ensure the system effectively manages fire and life safety systems, fans, lighting controls, power, and traffic signals. Ergosync provided all engineering services, including panel drawings, programming, documentation, testing, and commissioning.

SR520 Montlake Lid Design/Build

Location: Seattle, WA
Client: WSDOT
Role: Commissioning –
Systems Integration

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The SR520 Montlake project is a four-year reconstruction of the existing highway that adds a landscaped lid and reconfigures the Montlake Boulevard interchange for improved travel safety, traffic capacity and transit system integration. The project completes a regional, cross-lake bicycle/pedestrian path along the entire corridor, with connections to local trails on both sides of Lake Washington.

Ergosync is leading the integration and commissioning activities. Systems include traffic signals, intelligent transportation systems (ITS), CCTV, lighting, fire detection and suppression for the Montlake underlid, irrigation, electrical, and mechanical systems – all integrated with the WSDOT regional traffic management center.

Project Management Support Services

Location: Puget Sound, WA
Client: Sound Transit
Role: Project Management –
Project Controls

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The PMSS contract is an owner’s support contract to aid Sound Transit in its ST3 project delivery program, which will enhance regional transit connectivity and meet growing transportation demands in the area. Ergosync provides staff augmentation and plays a vital role in supporting schedule, risk, cost management and technical assistance. Leveraging our practical construction knowledge, we utilize leading analytics software to identify and mitigate schedule and cost risks.

Airport Dining & Retail (ADR)

Location: SeaTac, WA
Client: Port of Seattle
Role: Project Management

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The Airport Dining & Retail Program focuses on enhancing the overall passenger experience by developing new dining, retail, and service spaces. As a key partner in this effort, Ergosync provided comprehensive Project Management services for the construction and build-out of new retail spaces. Our responsibilities spanned the entire project lifecycle, including planning, coordination, budgeting, scheduling, quality control, contractor management, and communication. A critical aspect of our role was managing project risks to ensure that the retail spaces met tenant specifications, adhered to safety and code requirements, and were completed on time and within budget. Our contributions helped achieve the successful completion of the project, delivering functional and high-quality retail spaces that enhanced the overall success of the program.

City Center Connector Streetcar

Location: Seattle, WA
Client: SDOT
Role: Design – Bid – Build

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Ergosync led the systems design engineering services for the signaling, corrosion control and communications systems for the City Center Connector streetcar project. This project connects the existing South Lake Union and First Hill Streetcar lines with an alignment through downtown with stops in the historic Pioneer Square and Pike Place Market. This line also provides convenient access to light rail and commuter rail stations.

Central Link Light Rail

Location: Seattle, WA
Client: Sound Transit
Role: Design – Build

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Ergosync staff have been involved with Link Light Rail from the beginning. For the initial Central Link alignment, we provided communications and control systems design. During construction we provided construction management services until rail opening day. We also provided major design work for the communications systems and building management systems for all Link extensions including University Link, North Link, East Link and South Link. One of our significant contributions was the retrofit of the downtown tunnel where our personnel have extensive and special expertise with tunnel control systems and fire/life safety systems. We helped Sound Transit achieve final occupancy from the Seattle FireDepartment. We repeated this for the Hill tunnel. We also wrote the control system user manual and provided system operational training to the Seattle Fire Department.

South Park Water Quality Facility Upgrade

Location: Seattle, WA
Client: Seattle Public Utilities
Role: Design

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Seattle Public Utilities (SPU) built a new stormwater quality treatment facility as part of its on-going efforts to improve water quality. Simultaneously, SPU wanted to create a community facility and collaborated with the South Park Neighborhood to provide community input and art installations. Ergosync provided instrumentation and control system designs to monitor pollutant reduction throughout the water quality treatment process. The system was set up to monitor and trend key pollutants, including TSS, copper, phosphorus, and PCBs, ensuring that pollutant levels are effectively reduced over time. Additionally, historical data logging was implemented to track the long-term effectiveness of the treatment system, providing valuable insights into water quality improvement and supporting regulatory compliance.

Photo by: Joe Mabel

WORKING TOGETHER

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