2005 NPC The 2005 National Plumbing Code (NPC) is available for purchase through NRC's Virtual Store (printed, CD-ROM and online formats). Here are some of the new features: Over 200 technical changes in the 2005 NPC New information, namely the objectives and functional statements, designed to improve clarity and consistency in the application of the codes' requirements A new organizational layout. The Code comprises three divisions: Divisions A, B and C

For an overview of the new features in the 2005 NPC, please refer to the document 2005 National Construction Codes (PDF)

Printed Formats

Printed versions of the 2005 NPC are offered in two practical formats:

• A binder version (8.5 x 11 in.)
• A soft-cover version (8.5 x 11 in.)

CD-ROM and Online Formats

The electronic version of the 2005 NPC complete with the objectives and functional statements is available on the 2005 National Construction Codes and Guides CD-ROM. It is also available through a Web-based subscription service. Supplementary information is included, namely the application statements (detailed statements on what the provisions apply to) and intent statements (detailed statements on the specific intent of the provisions).

The application and intent statements are also available separately on the CD-ROM in the User’s Guide – NPC 2005, Application and Intent Statements.

Codes Development

The National Plumbing Code of Canada 1995 and the National Plumbing Code of Canada 2005 apply to the design, construction, extension, alteration, renewal or repair of plumbing systems.

The NPC is referenced in Part 7 of the National Building Code of Canada. The plumbing system requirements were extracted from the National Building Code and first published as a separate Canadian plumbing code in 1970. The NPC is prepared under the auspices of the Canadian Commission on Building and Fire Codes and is published by the National Research Council of Canada. The 2005 NPC is in an objective-based code format.

All requirements in the 2005 NPC are linked to one or more of the following three top-level objectives:

• Safety
  
• Health
  
• Protection of Buildings and Facilities from Water and Sewage Damage

Under Canada's Constitution Act, plumbing regulation is the responsibility of provincial and territorial governments. The NPC is in the form of a model code to permit adoption by the appropriate authority. Most provinces and territories adopt or adapt the model NPC and enforce its requirements.

Introduction to Objective-Based Codes

• Module 1 Introduction to the Course
• Module 2 Organization of the 2005 Code
• Module 3 Applying the Code Using Division B
• Module 4 Intent Statements
• Module 5 Application Statements
• Module 6 History of Objective-Based Codes
• Module 7 Introduction to Alternative Solutions

Technical Changes in the 2005 National Construction Codes

Seminars:

• National Building Code 2005 - Parts 9 and 3 (Day 1) [PDF, 12.1Mb]
• National Fire Code, National Plumbing Code and National Building Code 2005 (Parts 4, 5 and 6) (Day 2) [PDF, 13.0Mb]

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Published: 2009-06-30	Important Notices