City Center Connector Streetcar

Location: Seattle WA
Client : SDOT
Role: Design-Bid-Build

City Center Connector Streetcar

Ergosynch lead the systems design engineering services for the signaling, corrosion control and communications systems for the City Center Connector streetcar project This project will connect 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.

Mukilteo Multimodal Terminal

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

SR 525 Mukilteo Multimodal Terminal

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. Ergosynch performed communication and control systems design and fire detection system design including plans, specifications and estimates. Communications systems include network infrastructure, public address, visual paging, CCTV monitoring, telephones, fare collection, marine radio systems and ferry vessel wi-fi. Control systems include thebuilding management systems, weather monitoring, and PLC control of the overhead passenger loading hydraulics.

Link Light Rail

Location: Seattle WA
Client : Sound Transit
Role: Design-Build

Link Light Rail

Ergosynch 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.

I-90 Two Way Transit
& HOV Lane Conversion

Location: Seattle WA
Client : WSDOT
Role: Commissioning Agent

I-90 Two Way Transit and HOV Lane Conversion, Stage 3

Ergosynch 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.

E360 East Link Light Rail Project

Location: Seattle WA
Client : Sound Transit
Role: Design-Build

E360 East Link Light Rail Project

Erogsynch was tasked for the civil systems integration and BMS design for the 2 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.

LAMTA Gold Line

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

LAMTA Gold Line

Ergosynch staff lead 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.

The Alaskan Way Viaduct replacement tunnel

Location: Seattle WA
Client : WSDOT
Role: Commissioning Agent

The Alaskan Way Viaduct replacement tunnel

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. Ergosynch provided commissioning services for both the tunnel systems and building systems. Ergosynch was selected by the Prime because of our expertise in tunnel systems.