The 2012 Uniform Mechanical Code is supported by the American Society of Sanitary Engineering (ASSE), the Mechanical Contractors Association of America (MCAA), the Plumbing-Heating-Cooling Contractors National Association (PHCC-NA), the United Association (UA) and the World Plumbing Council (WPC). 2018 Edition. Major changes include. 2012 UPC Item Preview. 2012 Uniform Plumbing Code. Identifier 2012UPC Identifier-ark ark:/13960/t8vb0fv6p Ocr ABBYY FineReader 9.0 Ppi 300 Scanner Internet Archive.

• What Is Uniform Mechanical Code
• Uniform Mechanical Code Pdf
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To view this page ensure that Adobe Flash Player version 9.0.0 or greater is installed. To view this page ensure that Adobe Flash Player version 9.0.0 or greater is installed. Uniform Codes. 2018 UPC Errata 2nd Print.pdf. 2012 USPSHTC Errata - 1st Print.pdf. International Association of Plumbing and Mechanical Officials, All Rights. The 2012 edition of the Uniform Mechanical Code (UMC) represents the most current approaches in the mechanical field. It is the fourth edition developed under the ANSI Consensus process is designated as an American National Standards by the American National Standards Institute (ANSI). Uniform Codes. 2018 UPC Errata 2nd Print.pdf 2018 UMC Errata 2nd Print.pdf 2015 UPC Errata 1st Print.pdf 2012 USPSHTC Errata - 1st Print.pdf 2012 UPC Errata 6th Print.pdf 2012 UPC Errata 5th Print.pdf. 2011 Oregon Plumbing Specialty Code Errata.pdf.

Designated as an American National Standard, the Uniform Mechanical Code (UMC) is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation, inspection and maintenance of HVAC (heating, ventilating and air-conditioning) and refrigeration systems.

The UMC is developed using the American National Standards Institute's (ANSI) consensus development procedures. This process brings together volunteers representing a variety of viewpoints and interests to achieve consensus on mechanical issues.

The UMC is designed to provide consumers with safe mechanical systems while, at the same time, allowing latitude for innovation and new technologies. The public at large is encouraged to provide input for the development process. The code is updated every three years. A code development timeline and other relevant information are available at IAPMO’s Website.

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History[edit]

In 1926, a group of Los Angeles plumbing inspectors recognized that there were no uniform requirements for the installation and maintenance of plumbing systems. At that time, heating was done by boilers that piped the heat to radiators. Efficient air conditioning was not available. Widely divergent practices and the use of many different, often conflicting, plumbing codes by local jurisdictions led to plumbing systems that were incompatible and potentially dangerous.^[1] This underscored the necessity of developing a model code that could be uniformly applied across jurisdictions.

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Two years later, the city adopted the first version of a uniform plumbing and mechanical code developed by the Los Angeles City Plumbing Inspectors Association (LACPIA) and based on the input from a committee of plumbing inspectors, master and journeyman plumbers, and mechanical engineers, assisted by public utility companies and the plumbing industry.

The ultimate product of this effort, the first Uniform Mechanical Code, was published by IAPMO, the new name for LACPIA, which was adopted in 1966 when the scope of mechanical work grew beyond plumbing and became more readily available in residential applications.^[1] in 1967. Over the last fifty years, this voluntary code has been adapted by jurisdictions not only throughout the United States, but internationally as well. The consensus development process was first applied to the 2003 edition.

The 2012 edition is the fourth edition developed under the ANSI consensus process. Contributions to the content of the code were made by every segment of the building industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, insurance, labor, manufacturers, research/standards/testing laboratories, special experts, and users. The 2012 Uniform Mechanical Code is supported by the American Society of Sanitary Engineering (ASSE), the Mechanical Contractors Association of America (MCAA), the Plumbing-Heating-Cooling Contractors National Association (PHCC-NA), the United Association (UA) and the World Plumbing Council (WPC).

2018 Edition[edit]

What Is Uniform Mechanical Code

Major changes include:

• New requirements for piping, tubing, balancing, louvers, protection of piping, mechanical systems and ductwork
• New provisions for evaporative cooling systems
• Refrigeration port protection requirement
• New requirements for piping, tubing and fittings used in hydronic systems

Content[edit]

• Chapter 1 - Administration
• Chapter 2 - Definitions
• Chapter 3 - General Regulations
• Chapter 4 - Ventilation Air
• Chapter 5 - Exhaust Systems (Part 1: Environmental Air Ducts and Product Conveying Systems; Part 2: Commercial Hoods and Kitchen Ventilation)
• Chapter 6 - Duct Systems
• Chapter 7 - Combustion Air
• Chapter 8 - Chimney and Vents
• Chapter 9 - Installation of Specific Appliances
• Chapter 10 - Boilers and Pressure Vessels
• Chapter 11 - Refrigeration (Part 1: Refrigeration Systems; Part 2: Cooling Towers)
• Chapter 12 - Hydronics (Part 1: Steam and Water Piping; Part 2: Hydronic Panel Heating Systems)
• Chapter 13 - Fuel Gas Piping (Part 1: Fuel Piping; Part 2: Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks)
• Chapter 14 - Process Piping
• Chapter 15 - Solar Energy Systems
• Chapter 16 - Stationary Power Plants
• Chapter 17 - Referenced Standards
• Appendix A - Residential Plans Examiner Review Form for HVAC System Design
• Appendix B - Procedures to be Followed to Place Gas Equipment in Operation
• Appendix C - Installation and Testing of Oil (Liquid) Fuel-Fired Equipment
• Appendix D - Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks
• Appendix E - Sustainable Practices
• Appendix F - Sizing of Venting Systems and Outdoor Combustion and Ventilation Opening Design
• Appendix G - Example Calculation of Outdoor Air Rate

See also[edit]

References[edit]

Uniform Mechanical Code Pdf

1. ^ ^ab'1926 to 2006: Eight Decades of Excellence,' Copyright © 2007 by IAPMO, p. 47-9

Uniform Mechanical Code Hvac Pdf

External links[edit]