Classroom Training

Plumbing Systems Illustrated and Interactive Workshop -- Register Here

Location:  Simpson Strong – Tie Manufacturing & Training Center; 22023-68th Ave. South, Kent, WA  98032 ** Building located at west end of industrial park next to 64th Ave. South **


  1. Inform building officials/building inspectors how to inspect horizontal wet vent, circuit vent, vertical wet vent and combination waste and vent systems.
  2. Inform apprentice/journeyperson plumbers, plumbing system(s) code compliant configurations.
  3. Inform how to apply plumbing code and best engineered management practice when practicable.
  4. Inform design professionals design concepts, which captures code related compliance design.

Course Description:

Part 1:

Students are lectured for approximately one hour with aid of a PowerPoint slide show presentation describing one specific code section and plumbing system type using the latest plumbing code edition to inform and elaborate effective use and interpretation of horizontal wet vent, circuit vent, vertical wet vent and combination waste and vent.  

Part 2:

Students separate into five groups who then apply one of the four plumbing systems; horizontal wet vent, circuit vent, vertical wet vent or combination waste and vent which was learned through a PowerPoint presentation assembling for approximately one hour a specific plumbing system focusing on practices that are code compliant and/or mitigate public health risk.  

Part 3: Discussion and debrief.

Students work together as a team, building inspectors, plumbers, design professionals, assembling plumbing systems using 3-D drainage pattern fittings collectively using shared knowledge and experiences while learning in their own learning style whether visual, tactile or intellectual applying plumbing code as written and best management practices to reduce public health risk.

Course Competencies:

  • Comprehensive study of code sections: 908, 908.2, 910, 911 of the 2015 UPC.
  • Describe when to use vertical wet vent, horizontal wet vent, circuit vent or combination waste and vent and most importantly, why.
  • Inform how to mitigate hydraulic jump, curtain wall and pressure differentials.
  • Assemble vertical wet vent, horizontal wet vent, circuit vent and combination waste and vent using 3-D scaled drainage pattern fittings with the aid of training isometric drawings, which are designed with discrepancies.
  • The core concept of Plumbing Systems Illustrated and Interactive Workshop is to facilitate cooperation between building officials/building inspectors, apprentice/journeyperson plumbers and design professionals to enhance knowledge preventing public health risk.

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IAPMO seminars are designed to be informative, interactive, and engaging live training taught by the best instructors in the industry. Our goal is to provide the highest quality learning experience for our students and remain the industry leader in code and related training.


Classroom Training Schedule

We are continually updating our training schedule, so be sure to check back often to see what training is coming to your area. 


Library of Courses/Resource Catalog

IAPMO offers a variety of plumbing and mechanical code courses designed to meet the training needs of today’s industry professionals. From code enforcement professionals to contractors and designers, IAPMO provides engaging and practical courses taught by experienced instructors who will help you become a better code professional.


Our Instructors

At the IAPMO seminars, our instructors, who have decades of hands-on experience, serve as a great resource for facilitating discussions on current issues, problem installations and enforcement - always providing solutions in practical terms. To learn more about our instructors, click here.


Our Recognition as a Continuing Education Provider:

IAPMO’s vigorous effort to provide the most comprehensive resources and convenient support to the industry has resulted in our becoming an Approved Provider of Continuing Education with many jurisdictions and organizations.

IAPMO is a resource for states, local jurisdictions, and other organizations who desire to provide accessible and varied opportunities to improve their constituents’ knowledge, skills, and abilities within a current job position or to prepare them for positions to which they aspire.

We provide customized services with State specific approved provider status, approved Continuing Education seminars, rosters, certificates of attendance, records submittal and maintenance in compliance with any state requirements.


Have a Group that Needs Training?

If you represent a jurisdiction or other organization interested in having IAPMO present a live class to your group or at your event, we would be excited to hear from you. IAPMO can offer a variety of training sessions that can range from an hour to multiple days. Please contact or contact Denise Voorhees at 855-554-2766.

View Our Classroom Training Schedule

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