Comprehensive Laboratory Facilities

JTC’s laboratories and offices are strategically located throughout New England to provide responsive regional support, efficient access to testing resources, and consistent service across our project areas.

JTC operates laboratory facilities in Sutton, Massachusetts; Newington, Connecticut; Williston, Hartland, and Newport, Vermont; and Bangor and Lisbon, Maine. This regional network allows our field and laboratory teams to efficiently support projects throughout New England while leveraging specialized personnel, equipment, and testing capabilities across multiple locations.

Our laboratories provide testing and evaluation services for concrete, asphalt, aggregates, masonry, soils, and other construction materials. JTC’s Sutton, Massachusetts laboratory also provides geotechnical laboratory testing services, supporting geotechnical investigations, design, construction, and quality control through the evaluation and characterization of soil and aggregate materials.

Laboratory capabilities, inspections, accreditations, and validations vary by location. JTC’s laboratories maintain a range of credentials and agency qualifications, including the following:

Laboratory Accreditations, Certifications & Validations

Sutton, Massachusetts Laboratory
  • Successfully inspected by the Cement and Concrete Reference Laboratory (CCRL).
  • Successfully inspected by the Northeast Transportation Technician Certification Program (NETTCP).
  • Licensed as a Concrete Testing Laboratory by the Commonwealth of Massachusetts Board of Building Regulations and Standards (BBRS).
  • Validated by the U.S. Army Corps of Engineers (USACE) for construction materials testing.
  • Participates annually in the MassDOT Alkali-Silica Reactivity (ASR) testing program, including AASHTO T 303 (Modified) and ASTM C1567.
  • Accredited through the AASHTO re Quality Management System for applicable construction materials testing standards, including:
    • AASHTO R 18 – Establishing and Implementing a Quality Management System for Construction Materials Testing Laboratories
    • ASTM C1077 – Aggregate and Concrete
    • ASTM D3666 – Aggregate and Asphalt Mixture
    • ASTM D3740 – Soil
    • ASTM E329 – Aggregate, Asphalt Mixture, Concrete, and Soil.
Sutton, Massachusetts Laboratory
  • Undergoes annual validation by the Vermont Agency of Transportation (VTrans) for applicable construction materials testing activities.

Experienced & Qualified Personnel

JTC’s Materials Testing & Laboratory Services team includes experienced field and laboratory personnel who maintain certifications and qualifications through nationally and regionally recognized organizations and programs, including:

  • American Concrete Institute (ACI)
  • International Code Council (ICC)
  • National Fire Protection Association (NFPA)
  • National Institute for Certification in Engineering Technologies (NICET)
  • Northeast Transportation Technician Certification Program (NETTCP)
  • Precast/Prestressed Concrete Institute (PCI)
  • Certified Welding Inspector (CWI) and structural steel nondestructive testing (NDT), including ultrasonic testing, magnetic particle testing, and liquid penetrant testing
  • Troxler Nuclear Density Gauge certification and qualification

JTC’s strategically located laboratories and offices, combined with our experienced technical personnel and diverse testing capabilities, allow us to provide responsive, reliable, and consistent materials testing, inspection, quality assurance, and geotechnical laboratory services throughout New England.

Get in touch

To learn more about our Materials Testing and Laboratory Services, please contact Nicholas Lisowski, Director of Materials Testing Services (Northern and Southern New England) and Director of Pavement Management – Ph: 413-642-0138 | nickl@consultjtc.com

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