What does the abbreviation BS stand for in plumbing terminology?

The abbreviation BS in plumbing terminology stands for Building Sewer. This term refers specifically to the part of the plumbing system that carries wastewater away from a building before it connects to the main sewer line or septic system. The Building Sewer is crucial because it serves as the long-term pathway for waste material to exit the structure safely and efficiently. Understanding this terminology is essential for professionals in plumbing, as it relates directly to the design, maintenance, and compliance with local plumbing codes.

By knowing that BS refers to Building Sewer, one can better grasp discussions regarding waste management and drainage systems in both residential and commercial plumbing applications.