How is basic wind load approached in Alberta, and what factors influence it?

How is basic wind load approached in Alberta, and what factors influence it?

• A. Basic wind loads are determined from climate data, terrain, building height, exposure category, and use of wind maps; loads are combined with other actions per code.
• B. Wind loads are constant nationwide and do not depend on site.
• C. Wind loads are only a function of building width.
• D. Wind loads are determined purely by historical wind speeds from previous codes.

Answer: (C)