NIHI C-103 Commercial Structural Inspections

Learning Objectives

By the end of this module, students will be able to:

• Identify and describe the structural systems used in commercial buildings, including foundations, framing, floor, wall, and roof structures.
• Recognize common signs of structural failure, material deterioration, and improper modification.
• Explain the function and construction of key structural components such as footings, columns, grade beams, joists, and shear walls.
• Distinguish between structural and non-structural elements in commercial buildings.
• Report visible structural deficiencies clearly, professionally, and within the limitations of a non-engineering inspection.
• Recommend further evaluation when appropriate and avoid overstepping the inspector’s role.