Which of the following statements is true about routing DWV pipe around water piping?

Routing DWV (Drainage, Waste, and Vent) pipe around water piping tends to be more difficult for several reasons related to the physical characteristics and installation practices of both types of piping. DWV systems require careful management of venting and drainage slopes to ensure proper flow and prevent blockages, while water supply piping must be maintained to avoid leaks and ensure pressure integrity.

When routing DWV around water piping, the installer must be mindful of the orientation and support of both systems, ensuring that they do not interfere with each other. Proper separation is required to prevent any potential cross-contamination and to comply with plumbing codes. The installer has to navigate the challenges posed by the size and layout of the DWV pipe, including the need for creating bends or offsets, which can be more cumbersome than routing water supply lines.

Additionally, DWV pipes typically need to be installed with sufficient fall to facilitate drainage, while water pipes require a horizontal run that must maintain pressure. Factoring in the clearance needed for servicing or repairs further complicates the routing of DWV around existing water piping. Therefore, understanding these nuances reinforces the idea that routing DWV around water piping is indeed more challenging.