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InterNACHI Inspection Image Gallery
Commercial
General
General Inspection Images
Occupancy Load Table
Open Parking Garages
Open Parking Ventilation
Opening Limitations in Risers
Overhead Roller Door Components
Overhead Sectional Door
Overhead Service Conductor Clearances
Packaged Central System: Cutaway
Packaged Rooftop Unit (RTU): Cutaway
Parallel Water Heaters
Parapet Termination: Underneath Metal Coping
Pipe Identification Chart and Examples
Pipe Identification Color Chart
Pitch Pan
Plumb, Level, Square, and Straight
Ponding on a Commercial Roof
Pre-Cast Concrete Members
Pre-cast Concrete Roof System
Pre-Stressed Concrete: Post-Tensioning Steel Rebar Strands
Pre-Stressed Concrete: Pre-Tensioning Steel Rebar Strands
Precast Parking Structure: Double Tee Control Joint
Precast Parking Structure: Double Tee Toppings
Primary Structural Frame
Principles of Fire Resistance to Prevent Structural Collapse
Prohibited Handrail Profiles
Propane Tank Replacement Guidelines
Protected Membrane Roof System (PMR)
Proximity Hood
Rebar
Rebar
Rebar
Rebar
Recessed Wheelchair-Accessible Drinking Fountain
Refrigerant Chiller
Relief Vent in a Multi-Story Drainage System
Repair Garages: Ventilation
Required Egress Capacity Based on Occupant Load
Restaurant and Kitchen Ventilation
Riser Adjoining Sloping Public Way, Sidewalk, or Drive
Riser Height and Tread Depth
Rolling Fire Door: Between Jamb-Mounted
Rolling Fire Door: Face-Mounted
Rolling Steel Fire Door
Roof Access
Roof Surface Clearance for Ducts Serving Type I Hoods
Sanitary Catch Basin for Combined Sewer System
Seawater-Cooled Chiller
Separation Walls: Groups I-1, R-1, R-2, R-3, & R-4
Series vs. Parallel Water Heaters
Series Water Heaters
Shear Wall Shapes
Sidewall flashing.
Single Phase vs Three Phase Panel Bus Bars
Single-Ply Membrane Installation, Mechanically-Attached
Single-Ply Membrane Roof Perimeter and Corner Region Installation
Skinny Commercial Inspectors
Sliding Door Components
Sliding Fire Door Opening Overlap
Small Commercial HVAC System: Rooftop Units
Soil Pressure & Water Loads
Specialty Hoods
Spiral Stairway
Spiral Stairway: Headroom Clearance
Sprinkler Head
Stairway Handrail: Clear Space
Stairway Handrail: Continuity
Stairway Handrail: Extension
Stairway Landing Length
Stairway Landing Width Exception
Stairway Landings
Stairway to Elevator Equipment
Steam Pipe
Steel Floor System
Steel Floor System
Steel Roof Deck Configurations
Steel Roof Deck Terms
Stem Wall
Sump Pump
Swinging Fire Door Clearance
Temperature Rise
Tilt-Up Counterweight Door
Tin-Clad Sliding Fire Door
Toilet Stalls
TPO Roof Membrane Installation
Tributary Width and Tributary Area for Framing Member
Triple Basin
Triple Basin Sink Air Gaps
Triple Basin Sink with Indirect Drainage
Tube Heater
Types of Braced Frames in Commercial Buildings
Types of Cast-in-Place Concrete Roof and Floor Systems
Types of Lateral-Resisting Systems in Commercial Buildings
Types of Low-Slope Roof Expansion Joints
Types of Platform Support
Types of Pre-Cast, Pre-Stressed Concrete Roof Decks
Types of Stairs
Unit/Hanging Furnace
Van-Accessible Parking Spaces
VAV Box
VAV Box (Heating or Cooling Coils)
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