Nov 16, 2010 · The backflow preventer, and the ball valve to isolate the irrigation system do not make for a closed system anymore than the angle stops or faucets on each plumbing fixture.

Sep 24, 2021 · Gray water may not be used in an irrigation system unless the gray water has been treated in accordance with standards set out in the State Plumbing Code. (5) Gray water …

Oct 30, 2009 · There used to be a requirement for a backflow preventer that protects potable water from an irrigation system. The device had to be located a minimum 6” above the highest …

Oct 23, 2024 · An automatic sprinkler system installed in accordance with Section 903.3.1.3 (NFPA 13-D) shall be permitted in Group R-3 occupancies. That would likely be a less …

Oct 16, 2009 · Does the 2021 IPC Section 608.17.6 require a reduced pressure principle backflow preventer to protect the potable water supply from an automatic sprinkler system without …

Jun 14, 2019 · As part of the actual construction, three apartments will be gutted and rebuilt as fully accessible units, and the installation of a soffit/chase for HRV ducts and plumbing for the …

Aug 6, 2024 · The restaurant owner planned to install a fire sprinkler system in the restaurant itself and use a 2-hour wall to separate it from the neighboring space. Although the building …

May 23, 2019 · I am a project manager for a real estate development firm. One of our clients is an automotive repair facility that also performs oil changes. All locations have a lube pit …

May 17, 2011 · What's the difference between a bulk main with independant floor/zone controls for each system vs. a manifold arrangement as shown in exhibit 8.1 of the sprinkler …

Dec 5, 2017 · Wow, lots of comments and follow up questions! Thanks. All buildings are commercial - a parking garage, a medical office building, and an apartment building. The MOB …