What is necessary to confirm that plumbing work meets the established code?

To confirm that plumbing work meets the established code, obtaining a plumbing permit is essential. When a plumbing permit is issued, it signifies that the proposed work has been reviewed and approved prior to beginning, ensuring compliance with the National Plumbing Code of Canada. The permit process includes an assessment of the plans, adherence to safety regulations, local amendments, and building standards, which all contribute to verifying that the plumbing work aligns with established codes.

While other options hold importance in various contexts, they do not specifically confirm compliance with the plumbing code in the same direct manner as a plumbing permit. An inspection report comes into play after work is completed and can assess if the work meets standards, but it cannot replace the necessity of having a permit beforehand. Credential certification indicates that a professional has the necessary training and qualifications, but it does not guarantee that the specific work done adheres to the code. A material warranty provides assurance on the quality of materials used but does not relate to the overall compliance of the plumbing installation with the code requirements.