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Lachel & Associates, 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.  The firm's technical staff consists of many professionals with 15 to 40 years of experience who are recognized experts in their respective fields. They bring a wealth of experience, judgment, and know-how to all phases of project development: from feasibility to field investigation, design, drawing and specification development, cost evaluation, specifications and contracting, construction management, and long-term monitoring.

We are part of an energetic and dynamic, employee-owned company offering professional services within the United States and abroad from our offices throughout the continental United States.  Schnabel has been recognized as an ENR Top 10 geotechnical engineering firm and Top 500 Design Firm and play an important role serving clients in both the private and public sectors.

Our mission is to add value to our clients by providing a correctly balanced team of trained and motivated professionals who are individually and collectively dedicated to exceeding the expectations of our clients and stakeholders in all areas of our service.  We value high ethical standards, high quality, technical excellence, and employee development.  Together, we seek to build and maintain strong client relationships through trust and cooperation.