Welcome to Lachel & Associates

Lachel & Associates (Lachel), a Schnabel Engineering company, specializes in design and construction management services for tunneling and other heavy civil construction projects in the areas of transportation, water and wastewater infrastructure, and hydroelectric power. Our goal is to meet the needs of clients by providing fully integrated management and technical services that are objective, thorough, and effective.


  • I wish to personally thank you for the fine job that you did in inspecting the Crater Lake tunnel and preparing the report. Your past experience with this project ....
    David E. Germer – Alaska Industrial Development and Export Authority
    It is well recognized that you and your staff provided sound technical advice based on years of experience, continually sought new data to incorporate into field construction decisions and maintained a superior rapport ...
    James R. Volz – Corps of Engineers
    You and your firm have been very important to the restoration of the (Union Canal) tunnel. We are thrilled with the results....
    Lois H. Meily, President – Friends of the Union Canal Tunnel Park