American Institute of Inspectors Standards of Practice
SYSTEM: STRUCTURAL COMPONENTS
5.1 The Inspector SHALL observe and report on visible Structural components including:
- Foundations and other support and anchoring components.
- Floors and visible floor framing,
- Substructure and substructure ventilation.
- Roofs and visible roof framing.
- The presence of drainage systems, sumps, sump pumps, and related equipment.
5.2 The inspector SHALL:
- Identify the type of:
- Floor structure
- Wall structure
- Roof structure
- Ceiling structure
- Evaluate components where deterioration is suspected. Probing is NOT required when probing would damage any finished surface.
- Enter under floor crawl spaces and attic spaces.
- Report the methods used to observe under floor crawl spaces and attics when these areas are not entered or when access or visibility is limited.
- Report on signs of unusual or harmful water penetration into/onto the structure or structural components.
5.3 The inspector shall NOT REQUIRED TO:
- Enter substructure areas that are not accessible or where entry could cause damage or expose the inspector to a hazard.
- Enter crawl spaces or attic spaces where access opening is less than 18″ x 24″.
- Enter under floor crawl spaces when obstructed, restricted or when headroom is less than 18 inches below the floor joists.
- Enter into attics when there is less than 36 inches below rafters or when entry could damage the property, or when dangerous or adverse situations are suspected.
- Move owner stored items or furnishings, vegetation or debris, or perform any excavations or other intrusive functions to gain access to systems or components.
- Operate or evaluate the adequacy of sump pumps or drainage systems.
- Identify size or adequacy of any bolting or bracing systems in the substructure.
- Perform any intrusive examination or testing.