Accessible Ramp
Accessible Door Hardware
Accessible Parking Spaces
Van Accessible Parking Spaces
Accessible Route of Travel
Active vs. Passive Fire Protection
Recessed Wheelchair Accessible Drinking Fountain
Clear Floor Space for Wheelchairs
Clear Width of an Accessible Route
Wheelchair Passing Clearance
Doors in Series Maneuvering Clearance
Hazard Zones for Protruding Objects
Forward Approach
Hinge Side Approach
Latch Side Approach
Door Threshold Profile
Accessible Toilet Stalls
Covered and Open Malls: Open Space
Covered and Open Malls: Maximum Distance to Exit
Covered and Open Malls: Kiosks and Food Courts
Clear Height in Vehicle and Pedestrian Traffic Areas
Automotive-Related Occupancies: Drainage
Definition of a Covered Mall Building
Definition of an Open Mall Building
Definition of an Atrium
High-Rise Building Height
High Rise Sprinkler Systems and Emergency Systems
Building Identification for Emergency Services
Address Identification Requirements
Enclosed Parking Garage Ventilation
Open Parking Garage
Open Parking Ventilation
Commercial Electrical Flow: Switchgear, Switchboard, Transformer, and Panelboard
Common Electrical Breakers
Single-Phase Electrical Panel Conductors
Three-Phase Panel Conductors
Single-Phase and Three-Phase Panel Bus Bars
Common Commercial Grounding Methods
Common AWG Wire Sizes
Common Conductor Color Coding
Common Commercial Receptacle Colors
Common Receptacle Types
Conduit vs. Cable Receptacle Grounding
Equipment Grounding Conductor
Definition Outpatient Clinic
Definition of Ambulatory Care Facility
Group E Occupancies: Storm Shelter Location
Repair Garages: Ventilation
Separation Walls
Four-Way Switch
Grounding at Overhead Service
Ground Ring
Overhead Service Conductor Clearances
Lightning Rods
Multiple Service Disconnects
Multiple Services Identification
Sample Transformer Label
Sizing Conductors: Overcurrent Protection & AWG
Water Main Ground
Working Space: Live parts on both sides
Working Space: Live parts on one side, grounded parts on the other side
Working Space: Live parts on one side, insulated or underground parts on the other side
Uniform Depth Within Working Space
Working Space Requirements for Electrical Equipment
Working Space and Dedicated Electrical Space
Aluminum Siding
Curtain Wall vs. Window Wall
Crack Classification: Stress
Crack Classification: Ground Movement
Crack Classification: Orientation
Evidence of Movement: Settlement
Evidence of Movement: Typical Crack
Catch Basin Components
Light Pole Components
Precast Parking Structure Double Tee Control Joint
Precast Parking Structure Double Tee Toppings
Double-Hung Window
Exterior Commercial Door Components
Overhead Roller Door Components
Overhead Sectional Door
Loading Dock: Foam Pad and Hood
Sliding Door Components
Tilt-Up Counterweight Door
Split-Block Wall
Sidewall Flashing
Headwall Flashing
Wall Crack Classification System
Types of Windows
Types of Brick Bonds in Masonry Wall Construction
Common Firewall Locations
Categories for Fire Resistance and Rating Requirements
Compartmentalization for Fire Resistance
Covered and Open Malls: Emergency Systems
Fire Extinguisher Elements
Fire Door Elements
Noncombustible Materials
Exit Stairway Identification Sign
Means of Egress: A Three-Part Sytem
Fire Damper
Principles of Fire Resistance to Prevent Structural Collapse
Required Egress Capacity Based on Occupant Load
Rolling Fire Door: Between Jamb-Mounted
Rolling Fire Door: Face-Mounted
Rolling Steel Fire Door
Sliding Fire Door Opening Overlap
Swinging Fire Door Clearances
Tin-Clad Sliding Fire Door
Sprinkler Head Types
Types of Stairs
AHU Cooling
AHU Without Heating and Cooling
AHU With Heating and Cooling
AHU with Heating
AHU With Return Air System
Air Handler Unit with VAV Boxes
Canopy Hoods
Gas Station Canopy Height
Commercial Kitchen Ventilation System
Cooling Tower Cutaway
Chilled Water System
Cooling Tower
Exhaust Fans for Commercial Kitchens
Drip Leg
Electric Baseboard Heater Clearance
Exhaust Motor
Gas Pipe in Slab
Hartford Loop
Heat Pump: Defrost Cycle
Heat Pump: Heating Cycle
Heat Pump: Cooling Cycle
Make-Up Air System
High Rise Building Heating and Cooling
Ground Source Heat Pump
Packaged Central System: Cutaway
Packaged Rooftop Unit (RTU): Cutaway
Proximity Hood
Roof Surface Clearances for Ducts Serving Type I Hoods
Small Commercial HVAC System - Rooftop Units (RTU)
Specialty Hoods
Refrigerant Chiller
Sealed Pump
3-Piece Pump
Steam Pipe
Seawater-Cooled Chiller
Temperature Rise
Tube Heater
Unit/Hanging Furnace
VAV Box (Heating or Cooling Coils)
Wall Exhaust Termination Clearances for Ducts Serving Type I Hoods
Bowstring Truss
Curved Stairway: Landing Depth Measurement
Curved Stairway: Winder Treads
Dimensional Uniformity: Tread Depth
Dimensional Uniformity: Riser Height
Exit Components and Exit Discharge
Fire Barrier Continuity
Flight of Stairs: Vertical Rise
Guard and Handrail Heights
Handrail Profiles
Landing Depth Turning 90 Degrees or More
Landing Depth
Level of Exit Discharge
Minimum Stairway Headroom Clearance
Minimum Stairway Width
Nosing Projection Uniformity
Opening Limitations in Risers
Prohibited Handrail Profiles
Riser Adjoining Sloping Public Way, Sidewalk or Drive
Riser Height and Tread Depth
Spiral Stairway: Headroom Clearance
Spiral Stairway
Stairway Handrail: Clear Space
Stairway Handrail: Height
Stairway Handrail: Extension
Stairway Handrail: Continuity
Stairway Landing Width Exception
Stairway Landing Length
Stairway Landings
Stairway Projections
Stairway to Elevator Equipment
Stairway: Roof Access
Exhaust Termination Clearances for Ducts Serving Type I Hoods
Exhaust Termination Clearances for Ducts Serving Type II Hoods
Grease Interceptor
Hydromechanical Grease Interceptor
Restaurant and Kitchen Ventilation
Triple Basin Sink Air Gaps
Triple Basin Sink with Indirect Drainage
Triple Basin
Atmospheric Vacuum Breaker
Bottle Trap
Brown/Solid Waste Ejector Pumps
Common Commercial Backflow Prevention Points
Common Defects Found During a Sewer Scope Inspection
Double Check Valve
Drain, Waste, and Vent Components
Equipment and Appliance Elevation
Floor Drain and Trap Primer
Floor-Mounted Toilets
Gas Tankless Water Heater
Gate vs. Ball Valve
Globally Harmonized System Pictograms
Gray/Liquid Ejector Pumps
Location of Sewer System Components
Low-Slope Roof Interior Drainage
Minimum Air Gap
Parallel Water Heaters
Pipe Identification Chart & Examples
Pipe Identification Color Chart
Plumbing Joints and Connectors
Propane Tank Placement Guidelines
Reduced Pressure Zone
Relief Vent in a Multi-Story Drainage System
Sanitary Catch Basin for Combined Sewer System
Series vs. Parallel Water Heaters
Series Water Heaters
Sump Pump
Tankless Water Heater with Small Water Heater
Tankless Concentric Venting Configuration
Toilet Components
Trap Designs
Wall-Mounted Toilets
Waste Line Cleanout Locations
Water Supply and Shut-off Valve Locations in Commercial Buildings
Blisters in Built-Up Roof (BUR)
Built-Up Roof: Smooth Surfaced
Conventional Roof System
Copper Patina Aging Chart
EPDM Membrane Installation
Fully-Adhered vs. Mechanically-Attached
Galvanized Series
Low-Slope Roof Drainage Systems: Interior Drain with Inverted Pyramid Slope
Low-Slope Roof Drainage Systems: Scupper Drains
Ponding on Low-Slope Roofs
Low-Slope Roof Drainage: Cricket and Saddle
Low-Slope Roof Expansion Joints
Mechanical Equipment Stand on Low-Slop Roof
Membrane Ridging in Built-Up Roof
Membrane Splitting in Built-Up Roof
Mid-Parapet Termination: Termination Bar
Modified Bitumen Membrane Installation
Modified Bitumen Roof End-Lap Configuration
Parapet Termination: Underneath Metal Coping
Pitch Pan
Pre-Cast Concrete Roof System
Protected Membrane Roof System (PMR)
Single-Ply Membrane Roof Perimeter and Corner Region Installation
Single-Ply Membrane Installation: Mechanically Attached
Single-Ply Membrane T-Joint
Steel Roof Deck Configurations
Steel Roof Deck Terms
Through-Wall Flashing
TPO Membrane Installation: Single Ply Roofing
Types of Pre-Cast, Pre-Stressed Concrete Roof Decks
Working Platform for HVAC Equipment
Confined Space
Confined Space
Clearance for the Climbing Side of a Fixed Ladder
Fixed Ladder Terminology
Maximum Occupancy
Side Clearance for Side-Step Ladder
Cantilevered Beam
Commercial Building Lateral Load
Commercial Building Load Path for Gravity Loads
Commercial Building Load Path for Wind Uplift
Commercial Building Tensile Force
Commercial Structure Torsion Force
Deformation of Commercial Structure
Differential Movements of Adjacent Forces
Horizontal Framing Member Loads
How Moment Frames Work
Multi-Story Building
Plumb, Level, Square, and Straight
Pre Cast Members
Pre-Stressed Concrete
Pre Stressed Concrete: Pre Tensioning Steel Rebar Strands
Residential Structure Tensile Force
Roofing Styles
Shear Wall Shapes
Soil Pressure and Water Loads
Tributary Width and Tributary Area for Framing Member
Types of Braced Frames in Commercial Buildings
Types of Lateral-Resisting Systems in Commercial Buildings
Types of Cast-in-Place Concrete Roof and Floor Systems
