ICC IMC-2021 Historical

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2021 International Mechanical Code

standard by International Code Council , 2020

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Full Description

ICC IMC-2021 establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.

Important changes in the edition include:
  • Clothes dryer exhaust terminals required to be at least 3 feet from any opening into a building.
  • Polyurethane spray-applied foam on the exterior of ducts in attics and crawl spaces required to meet specific smoke and flame index limits.
  • Fire and smoke dampers must be provided with approved access for inspection and maintenance.
  • Refrigerant tables updated to include new refrigerants.
  • Addition of condensate termination identification markings and discharge restrictions.
  • Approved factory-built combination intake/exhaust terminations permitted, relaxing separation requirement.
  • 30% reduction in minimum mechanical ventilation for whole-house balanced ventilation systems.
  • Continuous operation requirement for manicure and pedicure station exhaust systems.
  • Grease duct horizontal cleanout required within 3 feet of a horizontal discharge fan.
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Document History

  1. ICC IMC-2024


    2024 International Mechanical Code

    • Most Recent

  2. ICC IMC-2021

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    2021 International Mechanical Code

    • Historical Version

  3. ICC IMC-2018


    2018 International Mechanical Code

    • Historical Version

  4. ICC IMC-2015


    2015 International Mechanical Code

    • Historical Version

  5. ICC IMC-2012


    2012 International Mechanical Code

    • Historical Version

  6. ICC NY-MC-2010


    Mechanical Code of New York State, 2010 Edition

    • Historical Version

  7. ICC IMC-2009


    2009 International Mechanical Code

    • Historical Version

  8. ICC NY-MC-2007


    Mechanical Code of New York State, 2007

    • Historical Version

  9. ICC IMC-2006


    2006 International Mechanical Code

    • Historical Version

  10. ICC IMC-2003


    2003 International Mechanical Code

    • Historical Version

  11. ICC IMC-2000


    2000 International Mechanical Code

    • Historical Version

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Price: $97.00
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Product Details

Edition:

1st

Published:

2020

ISBN(s):

9781609839642

Number of Pages:

185

File Size:

1 file

Redline File Size:

2 files

Product Code(s):

3300S21, 3300S21, 3300L21

Note:

This product is restricted and cannot be purchased in the following countries Russia, Belarus