2011 Utah Code
Title 15A State Construction and Fire Codes Act
Chapter 3 Statewide Amendments Incorporated as Part of State Construction Code
Section 309 Amendments to Chapter 9 of IPC.

15A-3-309. Amendments to Chapter 9 of IPC.
(1) IPC, Section 901.3, is deleted and replaced with the following: "901.3 Chemical waste vent system. The vent system for a chemical waste system shall be independent of the sanitary vent system and shall terminate separately through the roof to the open air or to an air admittance valve provided at least one chemical waste vent in the system terminates separately through the roof to the open air."
(2) In IPC, Section 904.1, when the number of inches is to be specified, "12 inches (304.8mm)" is inserted.
(3) In IPC, Section 904.6, the following sentence is added at the end of the paragraph: "Vents extending through the wall shall terminate not less than 12 inches from the wall with an elbow pointing downward."
(4) In IPC, Section 905.4, the following sentence is added at the end of the paragraph: "Horizontal dry vents below the flood level rim shall be permitted for floor drain and floor sink installations when installed in accordance with Sections 702.2, 905.2 and 905.3 and provided with a wall clean out."
(5) In IPC, Section 917.8, a new exception is added as follows: "Exception: Air admittance valves shall be permitted in non-neutralized special waste systems provided that they conform to the requirements in Sections 901.3 and 702.5, are tested to ASTM F1412, and are certified by ANSI/ASSE."