Tectonic Engineering & Surveying Consultants P.C.

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    P.O. Box 37

    70 Pleasant Hill Road

    Mountainville, NY 10953


    Tel: 845-534-5959

    Tel: 800-829-6531

    Fax: 845-534-5655

    Mark Stier, P.E.




    Full service geotechnical and construction materials testing laboratory serving the metro NYC and Upstate/Hudson Valley New York areas. Services include geotechnical analysis, construction inspection services and materials testing for soils, aggregates, concrete, mortar, asphalt, masonry, and geotextiles.

    Products Tested:

    • CONSTRUCTIONS > Pipelines
    • ENVIRONMENTAL, BIOLOGICAL MATERIALS > Soil and rock for environmental uses
    • CONSTRUCTIONS > Building constructions including foundations
    • CONSTRUCTIONS > Highways, bridges, tunnels, and other related constructions

    Lab Services:

    Environmental Impact , Construction Materials , Building and Welding Inspection , Forensic

    Testing Services:

    Nondestructive Evaluation , Geotechnical Testing

    Equipment, Testing Capabilities, Applications:

    Full-service geotechnical and construction materials testing lab. Laboratory testing services are performed in accordance with ASTM, AASHTO, and ACI requirements. Lab testing procedures are inspected and qualified by NIST through its CCRL and MRL sub-agencies. Lab and field inspection personnel are ACI and NICET certified.

    Specific Tests Conducted:

    ASTM D698 , ASTM D2216 , ASTM D2487 , ASTM D2434 , ASTM C39 , ASTM D1557 , ASTM D422 , ASTM C31 , ASTM D4318

    Other Lab Sites:


    Lab Accreditations/Evaluations:

    • AASHTO accredited for soils, concrete and asphalt; CCRL/MRL-NIST, ACI, AWS and NICET certified; NYC Building Dept.certified for concrete testing.


    Total Staff 210

    Total number of Staff with PhDs 2

    Total number of PE/Scientists 35

    Total number of technicians 43

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