What is a common requirement for all plumbing work to ensure safety and functionality?

Testing and inspection are critical requirements for all plumbing work as they play a vital role in ensuring both safety and functionality. After installation, plumbing systems must undergo testing to verify that there are no leaks, that all connections are secure, and that the system operates under the intended conditions. This process helps to identify any potential issues early on, which can prevent larger problems that could arise from faulty installations, such as water damage or health hazards from contaminants.

Moreover, inspections are often mandated by local code requirements to ensure compliance with safety standards and best practices in plumbing. These inspections can be carried out at various stages of the plumbing project, including before the walls are closed up and after completion. The outcomes of these inspections and tests confirm that the system will function safely under normal use, safeguarding the health and wellbeing of occupants.

While design approval, material selection, and work schedules are also important aspects of plumbing projects, they do not directly address the immediate need for safety and performance verification as testing and inspection do.