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The Central Artery/Tunnel Project (CA/T), now under construction by the Massachusetts Turnpike Authority includes replacement of the existing highway structure with an eight-to-ten-lane underground expressway directly beneath the existing road, culminating at its northern limit in a 14-lane, two-bridge crossing of the Charles River, the extension of I-90 (the Massachusetts Turnpike) through a tunnel beneath South Boston and Boston Harbor to Logan Airport. The project also includes four major highway interchanges to connect the new roadways with the existing regional highway system. At Logan Airport, a new interchange will carry traffic between I-90 and Route 1A as well as onto the airport road system. In South Boston, a mostly underground interchange will carry traffic between I-90 and the fast-developing waterfront and convention center area. At the northern limit of the project, a new interchange will connect I-93 north of the Charles River to the Tobin Bridge, Storrow Drive, and the new underground highway.

Environmental & Construction Management Services, Inc. (ECMS) was contracted by Camp Dresser & McKee, Inc. (CDM) of Cambridge, Massachusetts (the prime environmental consultant for Mass Highway) to review for Quality Control all Project Documents regarding asbestos-containing materials and lead-based paint.

In addition, ECMS’ scope of work included the following additional services;

  • Audit Tasks
  • Sample Collection and Analysis
  • Design Tasks (including the following)
    • Review and Revise Guide Specifications
    • Review and Revise Project Procedures
  • Construction Support Activities (including the following)
    • General Support
    • Submittal Review
    • Field Inspection Services
    • Construction Summary Reports
  • Project and Contract Management Services