Commercial Plumbing Inspector (P2) Practice Exam

The Commercial Plumbing Inspector (P2) certification is offered by the International Code Council (ICC) and validates your knowledge and skills in inspecting and ensuring compliance with plumbing codes for commercial buildings.

Who should take this exam?

This certification is ideal for individuals who:

• Install, inspect, and maintain commercial plumbing systems.
• Want to work as commercial plumbing inspectors for municipalities or private companies.
• Seek to gain formal recognition of their expertise in commercial plumbing codes.

Roles and Responsibilities:

The responsibilities of a commercial plumbing inspector typically include:

• Inspecting the design, installation, and testing of all types of commercial plumbing systems, including:

            ○ Water supply and distribution

            ○ Sanitary drainage systems

            ○ Vents

            ○ Traps and interceptors

           ○ Special piping systems for medical gas, non-medical oxygen, etc.

           ○ Stormwater drainage systems

• Verifying compliance with relevant plumbing codes and standards (e.g., International Plumbing Code (IPC), International Fuel Gas Code (IFGC))
• Identifying and reporting code violations.'
• Issuing permits and certificates of approval for compliant plumbing installations.

Exam Details:

• Format: 60 multiple-choice questions
• Duration: 2.5 hours
• Passing score: 75%
• Delivery: Testing center or online proctored with virtual proctoring
  

Course Outline 

General Requirements 10%

Piping Protections 

Inspect all piping systems to insure protection as required from corrosion, stress and strain, freezing, and physical damage.

Piping Installation, Support, Sleeving, and Penetrations

Inspect all piping systems for proper installation, support, sleeving, penetrations (fire, structural, etc.), and waterproofing of exterior openings. Verify that all required tests of installed piping systems are conducted.

Fixtures

Fixture and Material Approvals

Inspect for approved materials and fixture approvals.

Installation, Location, Clearance, and Access

Inspect for proper installation of fixtures including accessibility, waste receptors, appliances, and appurtenances, including clearances, access, and sealing.

Flow Rates

Inspect for maximum and minimum flow rates and temperature control valves. Inspect for proper installation of faucets, fixture fittings, and accessories.

Water Heaters

Installation Requirements

Inspect for proper use and installation of materials, listing, and labeling, including clearances, locations, protection, pans, and seismic restraint, and check for appliance approval. Inspect for required valving, T&P valve and discharge piping installation, and thermal expansion requirements.

Gas Piping, Combustion Air, and Venting

Inspect for proper sizing of fuel gas piping, combustion air requirements, and required venting.

Water Supply and Distribution

Materials, Joints, and Connections

Inspect the service and distribution piping for proper installation of cold and hot water delivery including minimum and maximum pressure and volume requirements, identification, sizing, valving, insulation, and safety.

Identification, Sizing, and Valving

Inspect the potable water supply and distribution piping for proper protection against contamination. Inspect installation of water treatment systems.

Protection Against Contamination and Treatment

Inspect the potable water supply and distribution piping for proper protection against contamination. Inspect installation of water treatment systems.

Sanitary Drainage

Materials and Fittings

Inspect for approved materials and use of proper fittings, joints, and connections.

Sizing of System

Inspect for proper sizing and installation of the building drain, building sewer, branches, and stacks.

Valves, Sumps, Ejectors, and Cleanouts

Inspect for the proper installation of backwater valves, sumps, ejectors, and required cleanouts.

Indirect Waste

Inspect indirect waste systems for air breaks, air gaps, interceptors, condensate drains, pumps, and tanks.

Vents

Materials, Joints and Connections, and Grade

Inspect for approved materials, joints, connections, and proper grades.

Sizing Method and Installation

Inspect for proper sizing and the minimum venting requirements, methods, and installation.

Traps, Interceptors, Separators, Special Piping, and Storage Systems

Installation Requirements

Inspect for proper use, installation, and connection of traps, interceptors, and separators.

Chemical Treatment, High Temperature, and Neutralization Systems

Inspect chemical treatment, high-temperature, and neutralization systems.

Storm Drainage

Materials Sizing and Installation

Inspect roof drains, conductors, and leaders for proper use of approved materials, sizing, and installation.

Sub-soil Sub-drains

Inspect sub-soil and building sub-drains, sumps, and pumping systems.

Health Care Plumbing

Materials and Installation

Inspect for approved materials and fixtures. Inspect for proper installation of fixtures, including accessibility, waste receptors, appliances, and appurtenances including clearances, access, and sealing.

Service and Distribution Piping

Inspect the service and distribution piping for proper installation of cold and hot water delivery, identification, sizing, valving, insulation, and safety requirements. Inspect the potable water supply and distribution piping for proper protection against contamination.