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Interpretation #8687

Original Request

  • Date: October 10, 2022
  • Requested By: Daniel Coppens
  • Requester E-Mail: dan.coppens@mechanicaldesign.co
  • Code Version: 2021
  • Code: PLUMBING
  • Code Description:
  • Chapter: 6
  • Section: 606.1-5
  • Topic: Full-open valves on the top of every down-feed pipe

  • Question: Is it the intent of the 2020 Florida Plumbing Code for this section to apply to all down-feed pipes in buildings - including single story?

Answer on 10/10/2022 at 9:47 AM

The IPC Commentary is explicate on not including a single story building.

Commentary:

A down-feed pipe is akin to a water riser, only it conveys water downward rather than upward. Down-feed pipes and water risers extend vertically through one or more stories, implying multistory buildings. Full-open valves are not required on single story down-feed pipes.