David R. Chapman, P.E.

• President/CEO, Lachel
• Technical Director, Tunnels and Underground Construction Services

Education

• M.S. Civil Engineering (Geotechnical), Purdue University
• B.S. Civil Engineering, Clarkson University
• Oklahoma State University: Groundwater Hydrology
• International Groundwater Modeling Center: Applied Groundwater Modeling (MODFLOW, MOC models)
• International Groundwater Modeling Center: Geostatistics and Kriging

Specialties

• Tunnel and Underground Construction Services, Geostructural Engineering

Associations

• Member, American Society of Civil Engineers (ASCE)
• Member, International Society of Soil Mechanics and Foundation Engineers
• Member, American Institute of Steel Construction (AISC)
• Member, Underground Construction Association of the Society of Mining Engineers
• Member, Jet Grouting Sub-Committee of the ASCE Grouting Committee
• Member, Purdue Geotechnical Society

Bio

Mr. Chapman, located in Lachel’s Morristown, New Jersey office, presents 31 years of international engineering experience on projects throughout Europe and North and South America. He has directed site investigation efforts for characterization of soil and rock behavior for both construction-oriented and environmental purposes, and acted as owner’s representative on numerous such projects by consultants. His experience reflects all phases of project development and consulting from site and route selection, conceptual design, and early cost estimates to detailed design specifications and design audits, site development, and project construction to trouble-shooting and consulting assignments for existing facilities. Specific geotechnical applications in his experience include characterization of soil and rock behavior for shallow and deep terrestrial foundations, tunnels, transportation projects, slope stability, and quarries for construction materials. He has also managed and participated in multi-disciplinary teams engaged in design and planning efforts for complex tunneling and underground construction projects, including major sewer interceptors in glacial soils and major highway tunnels in soft rock.