What type of test is required for the completed drainage and vent system to ensure compliance with the code?

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For a completed drainage and vent system, a visual test is necessary to ensure that all components are installed correctly, are free from defects, and are functioning as intended. This involves a thorough inspection of the system to verify that pipes, joints, fittings, and fixtures meet the required standards and that the installation adheres to the International Plumbing Code specifications.

A visual inspection is essential because it allows for the identification of any obvious issues, such as improper connections, leaks, or missing components, which can compromise the performance and safety of the plumbing system. While other tests, such as pressure tests, might evaluate the system's integrity under load, the visual test is the key initial step in confirming compliance with the plumbing code.

The other testing methods mentioned, such as pressure tests, material tests, and functional tests, serve different purposes and may be used during other stages of the plumbing installation process or for specific situations, but the visual test directly pertains to the overall compliance check for completed drainage and vent systems.

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