We have facilities to support construction of several large warehouse-sized models, including major hydroelectric dams in the Pacific Northwest. For large construction projects, we maintain a broad assortment of mechanized equipment, including skid loaders, dump trailers, tilt-bed trucks, and an industrial forklift.
Our extensive facilities (including machine shop), resources, precision fabrication skills, and craftsmanship mean we can rapidly and efficiently take on client projects.
Expert Staff
IIHR has a long tradition of success in experimental laboratory studies. A crucial factor in this success has been and continues to be the well-equipped Mechanical Shop and its dedicated, highly-competent technical staff.
The IIHR team specializes in highly accurate craftsmanship in:
- Transparent acrylic
- Transparent polycarbonate
- White high-density polyethylene
- Gray polyvinyl chloride
- Aluminum (all types)
- Brass
- Stainless steel
- Black steel, and
- High-density overlay marine-grade plywood


Advanced Equipment and Instrumentation
The IIHR team has at its disposal:
- Fully-equipped machine shop (mills, lathes, band saws, drill presses)
- Two hot-work booths (MIG, TIG, brazing)
- Two carpentry areas (industrial table saws, routers, jointer, planer, miter saws, band saws)
- Commercial-grade airless paint and body work area
- Sheet metal area (48″ shears, brake, and roller), and
- Storage for recycling instrumentation and equipment.
Specialization
The IIHR team also has access to rapid prototyping, CNC mills/lathes, and thermoformed plastic beds for complex geometry fabrication.
Another area of specialization at IIHR is the fabrication of precision instrumentation and detailed scale replicas of hydraulic structures, as well as laboratory flumes.
We have constructed several large warehouse-sized models, including a 50x33x1.4-meter replica of the Columbia River gorge including the Wanapum and Priest Rapids dams. For large construction projects as well as field activities, IES maintains a broad assortment of mechanized equipment, including skid loaders, dump trailers, tilt-bed trucks, and an industrial forklifts.
