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The ASME Codes for Pressure Vessel Design are utilized for pressurized equipment, such as vessels, piping, and fittings, in various regions around the world, including North America. These codes encompass the design, construction, maintenance, and modification of pressurized equipment. The commonly used ASME codes include:
These codes rely on rule-based design and offer formulaic approaches that are effective when the design is within the limits of the code's scope.
It is necessary to apply for the CRN prior to commencing construction, as stated in B51 which mandates that "Acceptance and registration shall be obtained before construction is commenced." This could pose a challenge for a manufacturer who has a finished vessel and is informed on the shipping date that the vessel is destined for Canada. However, it's important to note that this requirement may differ depending on the jurisdiction. For instance, the Ontario vessel act offers an alternative where a person can commence construction of the boiler, pressure vessel, fitting, or piping before the submission is registered if they assume all the risks related to the construction for an installation or alteration. It is advisable to allow ample time for registration to avoid complications.
Registration and issuance of a CRN number for boilers and pressure vessels are handled independently by each province. However, the Atlantic Canada provinces and northern territories have formed a partnership and established a centralized registration organization called ACI Central. To register a vessel in all 13 provinces and territories of Canada, you need to comply with the registration requirements of seven different organizations or jurisdictions.