St. Germain & Aupperle Consulting Engineers, PLLC

Since our founding in 1968, by Partner Emeritus,  A. Richard St. Germain, PE, St. Germain & Aupperle has applied the most practical structural solutions to assist architects, contractors and owners in realizing their project visions. Today, under the leadership of President and Structural Engineer, Richard P. Aupperle III, PE, the combination of this hands on design experience, with state of the art computer modeling, allows S&A lead the way in serving our clients with both practical and efficient designs for their most challenging projects. With NCEES National License registration and completed projects in over a dozen states S&A is ready to serve your project.

Our mission is to support the vision of your project with efficient solutions, concept to construction.


Professional Engineering Services Summary:

Structural Engineering Services: 

  • New Building Design

  • New Foundation Design

  • Renovations and Additions

  • Adaptive Reuse of Existing Buildings

  • Historic Building Rehabilitation

  • Existing Building Repair, Capacity Review & Enhancement 

  • Existing Building Analysis

  • Repair Design and Damage Assessment

  • Industrial and Heavy Mechanical Support Design

  • Structural Existing Condition Reports

  • Design Peer Reviews

  • Specialty Architectural Element Design 

  • Overhead Crane Support New&Existing

  • Equipment Pad/Hanger design

Other Professional Engineering Services:

  • Design Build Services

  • Construction Engineering Services

    • Underpinning

    • Shoring

    • Phasing Plans

    • Building Stabilization

  • Owners Representative Services

  • Shop Drawing Production

  • Engineer of Record Inspection Oversight

  • Geotechnical Investigation Advising and Review

  • Wastewater Disposal Systems

  • Masonry Restoration Design

  • Developer Advising, Feasibility, ROI, & Construction

  • Pre-Project Planning and Construction Cost Estimating


Celebrating 50 Years of Providing Professional Structural Engineering Service to Our Clients! Est. 1968