Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams, 04-Agric-B2 — Structural Design of Agricultural, Biosystems and Food Industries, May 2018. 3 hours duration, open book.
Reference texts: CSA O86-09, Engineering Design in Wood · CSA A23.3-19, Design of Concrete Structures · National Building Code of Canada (NBCC), load combinations · CSA A23.1/A23.2, concrete materials and testing · Breyer, Design of Wood Structures · MWPS-1, Structures and Environment Handbook.