T HE CASE FOR CONVERSIONS
21 February 2023
The Building Code applies during the construction and alteration of a building, and the Fire Code applies once the building is occupied and operational. [...] It is the responsibility of the design team to assess the building for compliance to the current Building Code, and provide an opinion as to what extent upgrades should be completed (based on professional judgment and best practice). [...] Canadian Codes and Existing Buildings 2023-02-21 although the NFC could be interpreted to require the installation of fire alarm, standpipe and hose, and automatic sprinkler systems in an existing building for which there were no requirements at the time of construction, it is the intent of the CCBFC that the NFC not be applied in this manner to these buildings unless the authority having jurisdic. [...] ■ For example: if a building was constructed as an office building under the 1995 NBC and a residential conversion project is happening when the 2020 NBC is in force, the design team is required to compare existing construction to the 2020 NBC requirements for residential. [...] These include the major occupancy of the building (how the spaces are used, the building area , building height, the presence of sprinklers, and the type of construction ( combustible construction or noncombustible construction ).