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Structural Engineering

  • Concrete Design
  • Wood Design
  • Steel Design
  • Polymer Encased Forming Systems
  • Building Envelope Design

Structural engineering is the science and art of designing and making, with economy and elegance, buildings, bridges, frameworks and other similar structures so that they can safely resist the forces to which they may be subjected.  Structural engineers are faced with the challenge of analyzing and designing structures to ensure that they safely perform their purpose. They must support their own weight and resist dynamic environmental loads such as earthquakes, blizzards, and floods. Bridges, industrial facilities, agricultural buildings, office buildings, churches, and homes are a few of the many types of projects in which SEI engineers are involved. SEI engineers endeavor to provide innovative and practical solutions that fulfill the needs of our clients. We utilize knowledge of the properties and behaviours of steel, concrete, aluminum, timber, and plastic as well as new and exotic materials. To make certain that the plans are being followed, we will often be on the construction site inspecting and verifying the work.


Concrete is one of the most diverse building materials we have and we are always coming up with new applications for it. We use concrete for building everything from residential and commercial structures to agricultural manure storage tanks.


Wood is an economical and flexible building material and one that we use for large and small buildings. A 12,000 ft2 church constructed in Neepawa, Manitoba, is pictured.


Steel is one of the common structural building materials available today, and for good reason. Steel is relatively inexpensive and easy to work with, and can be alloyed with other metals to give it different properties. Adding Chromium and Nickel to steel produces Stainless Steel, a rust resistant and durable alloy used in many applications such as food processing. Adding Chromium and Molybdenum produces an alloy known as Chromoly which is 2-3 times as strong as mild steel.


PVC-concrete building systems are becoming an efficient and economical building material. When used for construction they provide a durable, aesthetically pleasing final product. We extensively use the Royal and Octaform Building Systems for a wide range of applications. Once erected the PVC material forms exceptional interior and exterior walls that require no finishing.

SEI engineers are always on the look out for new and innovative building materials. New materials allow us to design structures in ways that were previously not possible, construct eye-catching structures, and minimize costs. Composites are one field of the vast array of new materials being developed. Composite materials are stronger and lighter than previously available ones, allowing us to build structures and components as never before.