The edition of the National Building Code of Canada (NBC) incorporates significant technical changes from the edition. The NBC sets out technical provisions for the design and construction of new buildings. It also applies to the alteration, change of use and demolition of existing buildings. Search details for national plumbing code of canada pdf. May 30, · The Government is proposing to provide $ million over five years to the National Research Council of Canada, with $ million ongoing, to make access to the National Building Codes free, and to provide sufficient resources for the federal government to address provincial, territorial, and other stakeholder code development priorities in a. Get this from a library! National plumbing code of Canada, [Canadian Commission on Building and Fire Codes.; National Research Council Canada.; Institute for Research in Construction (Canada)]. The National Plumbing Code of Canada (NPC), published by NRC and developed by the Canadian Commission on Building and Fire Codes, sets out technical provisions for the design and installation of new plumbing systems and also applies to the extension, alteration, renewal and repair of existing plumbing systems.