tunnel design

Brierley Associates is an engineering firm whose mission is "Creating Space Underground." Its tunnel, trenchless, and geostructural practice combines knowledge of subsurface conditions, ground behavior, and site constraints with an understanding of underground construction risks. It provides geotechnical and structural design and consulting services for tunnels, underground facilities, and heavy civil infrastructure projects, and qualifies as a small business under NAICS code 541330-Engineering.

geostructural designgeotechnical engineeringground improvementhorizontal directional drillingmicrotunnelingrock slope evaluationsubsidence mitigationsupport of excavation designtrenchless design

Crouch Engineering is a railroad engineering firm based in Brentwood (Nashville), TN, serving Class 1 and Short Line railroads, private industries and government agencies throughout North America and internationally. Founded in 1991, the firm has completed more than 4,500 railway projects and offers bridge inspection and design, track design, construction management, geotechnical services, environmental permitting and civil site design.

bridge designbridge inspectioncivil site designconstruction managementenvironmental permittingfoundation designgeotechnical engineeringhydrologic and hydraulic analysisload rating analysesrailroad track designretaining wall designslope stabilizationsurveying

GINTEGRO offers geotechnical software and services, founded with the idea of integration and interoperability of engineering software and helping collaboration among stakeholders in a project life-cycle. It offers the GEO5 geotechnical software suite and geotechnical software services, serving North America's market but delivering globally. GEO5 is a modular software suite for addressing common geotechnical problems, offering analytical and numerical approaches.

BIMexcavation designFEMfield testsfoundation designgeotechnical softwaresettlement analysisslope stability analysiswall design

JCK Underground, a Schnabel Engineering Company, specializes in program management, engineering, and construction management of underground facilities. Founded in January 2016 by Principals Jennifer Jordan, Rafael Castro, and Joel Kantola, the firm provides professional engineering and management services to the design and construction communities, working with owners, consultants, and construction contractors.

Conceptual designconstruction inspectionconstruction managementCost Estimatingengineeringenvironmental impact studiesgeotechnical engineeringpermitting supportprogram managementquality assurancetunnel inspection