IPC 2020 vs 2021: What Changed Between Editions?

Stay up-to-date with the latest changes in the International Plumbing Code (IPC) 2021 edition. Learn what's new, what's changed, and how it affects your plum...

IPC 2020 vs 2021: What Changed Between Editions?

Key Takeaways

  • Updated requirements for water efficiency and conservation
  • New provisions for medical gas systems and dental laboratory vacuum systems
  • Revised table for minimum plumbing facilities
  • Changes to vent pipe sizing and material requirements
  • Clarified requirements for grey water reuse systems

Scope and Applicability

The International Plumbing Code (IPC) is a model code that regulates the design, installation, and maintenance of plumbing systems in commercial and residential buildings. The IPC is applicable to all types of buildings, including single-family homes, high-rise buildings, hospitals, and schools.

Key Requirements

The IPC sets minimum requirements for plumbing systems, including water supply, drainage, and venting systems. It also covers requirements for medical gas systems, dental laboratory vacuum systems, and grey water reuse systems.

2018 Edition Changes

The 2021 edition of the IPC includes several changes and updates to the previous edition. Some of the key changes include:

Previous EditionCurrent EditionImpact
Water efficiency requirementsUpdated to include new provisions for low-flow fixtures and grey water reuse systemsIncreased water efficiency and conservation
Medical gas systemsNew provisions for medical gas systems, including requirements for system design and installationImproved safety and reliability of medical gas systems
Vent pipe sizingRevised table for vent pipe sizing, including new provisions for high-rise buildingsImproved venting system design and performance
Grey water reuse systemsClarified requirements for grey water reuse systems, including treatment and disposalImproved water conservation and reduced wastewater generation

Who Needs This Standard?

The IPC is essential for plumbing engineers, architects, contractors, and building officials who design, install, and inspect plumbing systems. It is also relevant to manufacturers of plumbing products and materials.

How to Obtain This Standard

The IPC 2021 edition can be obtained through Publications Office, which provides instant digital access to the standard.

Frequently Asked Questions

What is the difference between the 2020 and 2021 editions of the IPC?

The 2021 edition includes several updates and changes to the previous edition, including new provisions for water efficiency and conservation, medical gas systems, and grey water reuse systems.

Which edition of the IPC is required by my jurisdiction?

The required edition of the IPC varies by jurisdiction, so it's best to check with your local Authority Having Jurisdiction (AHJ) to determine which edition is applicable.

How do I know if my building design meets the IPC requirements?

It's recommended to consult with a qualified plumbing engineer or architect to ensure that your building design meets the IPC requirements.

Can I use the IPC for residential and commercial buildings?

Yes, the IPC is applicable to both residential and commercial buildings, including single-family homes, high-rise buildings, hospitals, and schools.

How often is the IPC updated?

The IPC is typically updated every three years, with new editions published in 2021, 2018, and 2015.

Can I access the IPC online?

Yes, the IPC 2021 edition can be accessed digitally through Publications Office.

๐Ÿ“„ 2018 International Plumbing Code

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Disclaimer: Code edition adoption and enforcement vary by jurisdiction and Authority Having Jurisdiction (AHJ). Always verify which edition is required for your project with your local AHJ before purchasing.

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