Jennifer M. McMahon, P.E.

Jennifer M. McMahon, P.E. Principal

BACKGROUND

Jennifer joined Structural Concepts, Inc. in 2012 as a project manager and structural engineer. In 2015, Jennifer became a firm principal along with George and Dan and shares in the responsibility for the management of the firm. She began her career as a structural engineer in 1998 and has experience working in the Southwest as well as the Midwest and East Coast.

Jennifer has a range of structural engineering experience in the Civil, Commercial, Education, Government, Healthcare, Industrial, Mining, and Residential markets. Her knowledge extends from new design, building renovations and structural modifications to building and other structure evaluations.

EDUCATION

  • B.S., Civil Engineering – Structural Emphasis, University of Iowa, 1998

REGISTRATION

  • Registered Structural Engineer, Arizona  55005
  • Registered Civil Engineer, Arizona  54137
  • Registered Structural Professional Engineer, Iowa  16958
  • Structural Engineering Certification Board #1469-0705

PROFESSIONAL AFFILIATIONS

  • Structural Engineers Association of Arizona
  • Structural Engineers Association of Idaho (Past Member)
  • International Concrete Repair Institute, Virginia Chapter (Past Member)
  • Structural Engineers Association of Eastern Iowa (Past Member)
  • American Society of Civil Engineers, Iowa Section (Past Secretary, Younger Member Treasurer)
  • Iowa Regional Future City Competition Committee (Past Sponsorship Committee Co-Chair, Past Treasurer)


George R. Stevenson Jr., P.E., SECB

George R. Stevenson, Jr., P.E., SECB

BACKGROUND

George is a founding Principal at Structural Concepts, Inc. He acts as project principal, project manager, and structural engineer on many of the firm’s projects and shares in the responsibility for management of the firm. He has been working as a structural engineer since 1982 and worked in the construction industry for seven years prior to that, primarily in masonry, carpentry and concrete.

George has extensive experience designing structural systems for buildings, bridges, mining projects, water storage, and wastewater treatment facilities. He is also skilled in the design of foundation underpinning systems and designing structural repairs for historical buildings. He has performed countless structural investigations and acted as an expert witness on occasion when necessary. He has experience with numerous design-build projects and takes a constructability approach to design in order to achieve good project economy.

EDUCATION

  • B.S. Civil Engineering, University of Arizona, 1982
  • FEMA/ATC 20-1 Training: Post-Earthquake Safety Evaluation of Buildings
  • FEMA/ATC 45 Training: Safety Evaluation of Buildings after Windstorms & Floods

REGISTRATION

  • Registered Structural Engineer, Arizona 21839
  • Registered Structural Engineer, Oregon 83308PE
  • Registered Civil Engineer, California CO41141
  • Registered Engineer, New Mexico 13216
  • Structural Engineering Certification Board #2040-1106

PROFESSIONAL AFFILIATIONS

  • Structural Engineers Association of Arizona (Past President)
  • American Institute of Steel Construction (Member)
  • American Concrete Institute (Member)
  • Light Gage Steel Engineers Association (Member)
  • International Code Council (Member)


Dan R. Lundwall, P.E., SECB

Dan R. Lundwall, P.E., SECB

BACKGROUND

Dan is a founding Principal of Structural Concepts, Inc. He acts as project principal, project manager and structural engineer on many of the firm’s projects and shares responsibility for engineering management and administration of the firm. He began his career as a structural engineer in southern Arizona in the 1970s. Dan has designed more than one hundred bridges in Southern Arizona over the course of his career.

His structural engineering experience includes a wide variety of bridge, building, industrial and water storage and water treatment facilities, using a wide variety of materials. Dan has designed more than a hundred bridges in southern Arizona over the course of his career. This experience spans from predesign through construction documents and field review on new facilities and structural additions. Historical renovations, existing building evaluations, and forensic studies also form a significant portion of his technical portfolio.

EDUCATION

  • B.S., Structural Engineering, University of Michigan, 1969
  • ADOT Project Management Team Training, 1997

REGISTRATION

  • Registered Structural Engineer, Arizona #12524
  • Registered Civil Engineer, Arizona #11306
  • Structural Engineering Certification Board #2057-0307
  • Registered SAP Evaluator California E-M-A #65869

PROFESSIONAL AFFILIATIONS

  • Structural Engineers Association of Arizona, Southern Chapter Past President
  • Structural Engineers Association of Arizona, SEER Committee Member
  • National Society of Professional Engineers, Arizona Southern Chapter Past President
  • International Bridge Conference, 1993 Participant
  • Western Bridge Engineers Seminar, 1993, 1999 Participant
  • Pima County/City of Tucson Building Code Past Committee Member