2011 Utah Code
Title 15A State Construction and Fire Codes Act
Chapter 3 Statewide Amendments Incorporated as Part of State Construction Code
Section 105 Amendments to Chapters 10 through 12 of IBC.

15A-3-105. Amendments to Chapters 10 through 12 of IBC.
(1) In IBC, Section 1008.1.9.6:
(a) the words "Group I-1 and" are added in the title and in the first sentence before the words "Group I-2";
(b) the word "delayed" is deleted throughout and replaced with "controlled"; and
(c) the last sentence before the numbered subsections 1 through 6 is deleted.
(2) In IBC, Section 1009.4.2, exception 5 is deleted and replaced with the following: "5. In Group R-3 occupancies, within dwelling units in Group R-2 occupancies, and in Group U occupancies that are accessory to a Group R-3 occupancy, or accessory to individual dwelling units in Group R-2 occupancies, the maximum riser height shall be 8 inches (203 mm) and the minimum tread depth shall be 9 inches (229 mm). The minimum winder tread depth at the walk line shall be 10 inches (254 mm), and the minimum winder tread depth shall be 6 inches (152 mm). A nosing not less than 0.75 inch (19.1 mm) but not more than 1.25 inches (32 mm) shall be provided on stairways with solid risers where the tread depth is less than 10 inches (254 mm)."
(3) In IBC, Section 1009.12, a new exception 6 is added as follows: "6. In occupancies in Group R-3, as applicable in Section 101.2 and in occupancies in Group U, which are accessory to an occupancy in Group R-3, as applicable in Section 101.2, handrails shall be provided on at least one side of stairways consisting of four or more risers."
(4) In IBC, Section 1013.2, the words "adjacent fixed seating" are deleted.
(5) In IBC, Section 1013.2, a new exception 5 is added as follows: "5. For occupancies in Group R-3 and within individual dwelling units in occupancies in Group R-2, as applicable in Section 101.2, guards shall form a protective barrier not less than 36 inches (914 mm) in height."
(6) In IBC, Section 1015.2.2, the following sentence is added at the end: "Additional exits or exit access doorways shall be arranged a reasonable distance apart so that if one becomes blocked, the others will be available."
(7) IBC, Section 1024, is deleted.
(8) A new IBC, Section 1109.7.1, is added as follows: "1109.7.1 Platform (wheelchair) lifts. All platform (wheelchair) lifts shall be capable of independent operation without a key."
(9) In IBC, Section 1208.4, subparagraph 1 is deleted and replaced with the following: "1. The unit shall have a living room of not less than 165 square feet (15.3 m2) of floor area. An additional 100 square feet (9.3 m2) of floor area shall be provided for each occupant of such unit in excess of two."