expansion tanks | The Building Code Forum
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.
sprinkler riser question - The Building Code Forum
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 …
North Carolina Grey water code? - The Building Code Forum
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 …
Adaptive re-use for transitional housing program - Fire Sprinklers ...
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 …
Backflow Preventer Mounting Height - The Building Code Forum
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 …
Required separation for Title 22 Purple pipe irrigation water and …
Sep 3, 2025 · If I install a gravity sewer system that takes all of the effluent both liquids and solids from both residential and commercial locations to a wastewater treatment facility that does …
Two waterlines serving one sprinkler system | The Building Code …
Oct 28, 2009 · I have a question in regards to a sprinkler system water service line. Can TWO 2-inch lines be used to service ONE 3" interior sprinkler system instead of a single 4-inch water …
IEBC - 50% of Building renovated - The Building Code Forum
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 …
Fire Sprinklers at covered canopy with temporary enclosure?
Aug 2, 2017 · Once a building has a fire sprinkler system installed, unless there is an exception in the IBC or IFC,,,,, NFPA 13 wins. So canopy/ patio cover, what ever over four feet shall have …
A2 occupancy and fire sprinkler system | The Building Code Forum
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 …