What is the minimum diameter for pipes that require cleaning intervals not to exceed 100 feet?

The minimum diameter for pipes that require cleaning intervals not to exceed 100 feet is 3 inches. This specification is crucial for maintaining efficient drainage and preventing blockages in plumbing systems. Pipes of this diameter are commonly found in various applications, and their design standards recognize that a diameter of 3 inches typically allows for effective flow and cleaning practices.

Cleaning intervals are essential for ensuring that debris, grease, and other materials do not accumulate to the point of causing clogs. With a 3-inch diameter pipe, it's easier to maintain consistent access for cleaning tools or devices, ensuring that any build-up can be promptly addressed without significant obstruction. This size strikes a balance between maintaining structural integrity and preventing potential maintenance issues.

Understanding this standard is particularly important for plumbing contractors who need to follow local codes and best practices in the installation and maintenance of plumbing systems, as it directly relates to their ability to manage waste and drainage effectively.