Inspecting Commercial Plumbing Systems

Inspection Considerations
2 Topics | 1 Exam
Visible Well Components Summary
Optional Inspection Scope
Quiz #2: Public and Private Water Supply System
Water Supply System
Water Supply Overview
Color-Coding and Labeling
Material Suitability and Applications
Water Service Piping
6 Topics
Common Materials
Lead
Copper
Brass
Galvanized Steel
Plastic
Water Distribution Piping
6 Topics
System Overview
Approved Materials
CPVC
PEX
PB
Other Plastic Materials
Water Distribution Piping Conditions
3 Topics
Frost Protection
Metallic Pipe Protection
Pipe Support
Water Pressure and Flow
7 Topics
Pressure vs. Flow
Water Pressure
Water Flow
Booster Pumps
Pressure Reducing Valves
Inspection Scope
Optional Tools
Common Defects
7 Topics | 1 Exam
Leakage
Obsolete or Improper Use of Materials
Galvanic Corrosion
Electrolysis
Mineral Build-up
Lack of Frost and Freezing Protection
Physical Damage
Quiz #3: Water Supply System
Backflow Prevention
Backflow Overview
2 Topics
Key Terms
Inspection Scope
Backflow Prevention Applications
3 Topics
Installation Locations
Containment vs. Fixture Outlet Protection
Dedicated Potable Water Lines
Backflow Prevention Devices
8 Topics
Devices Overview
Double Check Valve Assembly
Double Check Valve Detector Assembly
Reduced Pressure Zone Assembly
Intermediate Atmospheric Vent
Discharge Air Gap
Atmospheric Vacuum Breaker
Pressure Vacuum Breakers
Air Gap
Inspection Tags
Inspection Considerations
2 Topics | 1 Exam
Procedure
Common Defects
Quiz #4: Backflow Prevention
Plumbing Valves
Valve Guidance
4 Topics
Types of Valves
Ball Valve
Gate Valve
Scope and Access
Inspection Checklist #1
Water Supply and Distribution System Inspection Checklist
SECTION 4: DRAIN, WASTE AND VENT SYSTEMS
System Design
Wastewater System Overview
DWV Terminology for System Design
2 Topics
Sewer System Components
DWV System Components
2 of 6
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System Overview

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