The branch of structural engineering requires specialized work experience to protect the public health, safety, and welfare. To be licensed as a structural engineer, an applicant must:

(1) Be currently licensed as a professional engineer in Washington state;

(2) Have at least two years of progressive responsibility in structural engineering experience in addition to the eight years of engineering experience required to be registered as a professional engineer. The structural experience should:

(a) Demonstrate the applicant's ability to design building structures or nonbuilding structures integrated within "significant structures" as defined in RCW 18.43.020(12);

(b) Be progressive in difficulty and magnitude;

(c) Demonstrate breadth and depth of seismic design and detailing experience for projects in seismic regions similar to those located in Washington state;

(d) Incorporate two of the four common construction materials (steel, concrete, wood, and masonry);

(e) Reflect ability to design and apply structural engineering principles that show sound judgment on projects involving public health, safety, and welfare;

(f) Be supervised by a licensed professional engineer in the branch of structural engineering or a licensed professional engineer with substantial structural engineering work experience for projects in seismic regions similar to those located in Washington state; and

(3) Pass a board approved structural exam.