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About Us

Commemorating 90 Years

Mass. Electric Construction Co. (MEC) founded in 1928, is an industry leader in transit and rail systems’ construction and maintenance throughout the United States and Canada. MEC specializes in the installation of Overhead Contact Systems (OCS), Traction Power Substations (TPSS), Signaling and Train Control, Communications, and Control Centers.

As the most experienced installer of rail and transit systems in North America, MEC takes pride in being recognized as the Systems Contractor of Choice delivering innovative solutions through aligning our technical expertise with our client’s objectives. MEC has performed rail and transit systems work for nearly every major transit authority and railroad in the North America. We are involved in all phases of projects including planning, design, procurement, construction, installation, systems integration, testing, and commissioning.

MEC self-performs most disciplines providing, time, cost and scheduling efficiencies, as well as in-house expertise, resulting in seamless performance for our clients. Our projects require MEC to work closely with the local workforce and engage local W/M/DBE subcontractors, in the unique aspects and stringent quality requirements of rail systems work.

As the industry leader in rail systems work, we have vast experience and continually refine our means and methods of performing work by incorporating our lessons learned into every project. The result is a construction approach that minimizes impacts to the public and consistently delivers projects on-time, within budget with a strong commitment to safety, quality and community.

What We Do

Overhead Contact Systems
Traction Power Substations
Train Control
Communications
Control Centers
Operations & Maintenance Facilities

Nobody Gets Hurt - Craft Voice in Safety (CVIS)

We care about each other, and our families and friends, and take seriously our responsibility to keep each other safe on the job. Working safely is supported at every level – from the apprentice to the boardroom. We train our employees on safe procedures so we ensure all of our workers go home without injuries. MEC's Corporate Safety Policy is to provide a safe and healthful working environment for all employees. "Nobody Gets Hurt" means just that – no incidents and no injuries, no matter how seemingly minor a task appears. Everyone is authorized, and expected, to speak up when they see someone working unsafely or isn’t up to our safety standards.

The cornerstone of our safety program is Craft Voice in Safety (CVIS), "Developed for the Craft, by the Craft." This initiative focuses on active craft involvement, identifying and mitigating all safety hazards for every operation. CVIS creates a culture where everyone has a voice. Craft are taking care of craft, in a partnership with management, through ownership, communication and prevention to achieve our goal of Nobody Gets Hurt. CVIS Craft members are visible in the field and openly communicate with management on behalf of their co-workers. They bring Craft issues and concerns directly to project leadership to help create and maintain a one-team environment.

CVIS Craft members are actively engaged in the project’s safety program including the following activities:

  • Supporting and maintaining safe work practices at all times, in all work areas
  • Correcting unsafe conditions and behaviors in the field at a peer-to-peer level
  • Recognizing and communicating safety challenges and issues to the CVIS committee and management
  • Assisting in the development and review of programs and policies
  • Leading by example, mentoring new hires and developing personal relationships with fellow craft
  • Proactively guiding and motivating craft towards a more positive safety culture
  • Leading safety training, incorporate CVIS into project culture and onboard new employees to CVIS - explain the team’s mission and encourage employee involvement
  • Helping organize CVIS events, communicating incident findings, as well as celebrating safety wins
  • Making recommendations such as challenges in the field or suggestions to improve operations

Project Overview

MEC is the Prime CM/GC Systems contractor for two light rail extensions performing the complete rail systems package including the Overhead Contact System (OCS), Traction Power Substations (TPSS), as well as the Signaling and Communications systems.

Northgate Link Extension

The Northgate Link Extension is a new 4.3-mile light rail extension that ties into the existing University Link that MEC completed in 2016, connecting the Northgate, Roosevelt and University District neighborhoods to downtown Seattle and the airport. Northgate Link involves 3.5 miles of twin bored tunnels and 0.9 miles of elevated guideway with three new stations, two of which are underground (U District and Roosevelt stations), and one is elevated (Northgate station) which will feature frequent bus connections, a park-and-ride, and a bicycle/pedestrian bridge to North Seattle College.

East Link Extension

The East Link Extension is a new 14-mile light that ties into the existing Central Link that MEC completed in 2009. The project includes 10 stations from Seattle's International District to Judkins Park, across I-90 to Mercer Island and South Bellevue, and through downtown Bellevue and the Bel-Red area to Redmond Technology Station. This includes two grade separated stations in the middle of I‐90, three elevated stations, and five at-grade stations. When East Link opens it will be the world’s first light rail line built on a floating bridge across Lake Washington, connecting Seattle to the cities of Bellevue and Redmond.

Future Work

Federal Way Link Extension

The 7.8-mile Federal Way Extension will extend Sound Transit’s Link light rail from Angle Lake Station in the city of SeaTac to the Federal Way Transit Center and includes three new elevated passenger stations.

Downtown Redmond Link Extension

The 3.4-mile Downtown Redmond Link Extension will extend Sound Transit’s Link light rail from the future Redmond Technology Station to downtown Redmond and includes two new passenger stations. This extension will tie into the East Link extension that MEC is currently constructing.

Scopes of Work

Communication System

  • Conduit
  • Communications Cable
  • CCTV Cameras
  • Public Address Speakers
  • Variable Message Signs
  • Radio Equipment and Cable

Train Signaling System

  • Conduit
  • Cable
  • Impedance Bonds
  • Track Switches
  • Train Signals
  • TWC Loops
  • Rail Bonding
  • Control Houses/Racks

Traction Power System

  • AC and DC Feeder Cables
  • AC and DC Switchgear
  • Disconnect Switches

Overhead Contact System

  • OCS Poles
  • Cantilever Support
  • Stringing of Overhead Wire

Project Benefits

Project Benefits

Career Opportunities

Are you ready to join our team? We are looking for the following IBEW Local 46 and 77 positions:

  • Apprentice
  • Inside Journeyman Wireman
  • Outside Journeyman Lineman
  • Superintendent
  • Foreman

Project Schedule

Project Schedule

EEO, Minority, and Apprentice Goals

Our Company is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

Our project diversity goals for Female and Minority participation are 12% and 21% of hours worked, respectively.

Our Apprentice utilization goal is 20% of all hours worked. Of these Apprentice hours, 50% of all 1st year Apprentice hours are to be worked by women and people of color and 33% of all Apprentice hours are to be worked by women and people of color. Additionally, 1:5 Apprentices are to be Preferred Entry.