SHN provides engineered solutions using innovative technology integrated with traditional design. We coordinate our civil engineering work with project architects, planners, and contractors to ensure each project is completed with minimal interruption and downtime.

• Coastal and Marine Engineering
• Construction Services
• Drainage Analysis & Design
• Electrical Engineering
• Feasibility Studies
• Forensic Services
• Land Development

• Public Utility Infrastructure
• Structural/Building Analysis & Design
• Transportation Infrastructure
• Trenchless Technology
• Wastewater Conveyance & Treatment
• Water Supply, Treatment, Storage & Distribution

Our services have been applied to water and wastewater treatment plants, transportation and roadway design, public and private facility design, sanitary, water, and stormwater pipeline alignment and design, pump stations, boat ramps and docks, hillside development, landfill layout and design, tank siting and design, dam design and evaluations, flooding and hydrological studies, boundary and legal surveys, and expert witness cases.

We employ over 70 design professionals with a wide range of professional registrations, in regional and area offices stretching from Willits, California to Coos Bay, Oregon. Our senior engineers have more than 20 years of hands-on design and construction experience for private, public, and municipal clients.

As testament to our experience and qualifications, SHN has been the recipient of numerous awards for our design and process engineering, such as our Ford Foundation Grant for “Innovations in Government” for the Arcata WWTP or our ASCE North Coast Branch Project of the Year for the Shelter Cove Treatment Plant design.

SHN maintains strict procedures

for controlling costs and

meeting deadlines 

We have highly-qualified

professionals who understand the political, operational, and funding constraints of our clients   

Our experience has shown that informaing and involving the

community during all phases of public works project development is critical in creating community understanding and project support

             SHN is proud of our success

              in securing grants and low

            interest loans for our

              municipal and community

           service district clients