1     
STATE CONSTRUCTION CODE MODIFICATIONS

2     
2024 GENERAL SESSION

3     
STATE OF UTAH

4     
Chief Sponsor: Thomas W. Peterson

5     
Senate Sponsor: ____________

6     

7     LONG TITLE
8     General Description:
9          This bill modifies State Construction Code.
10     Highlighted Provisions:
11          This bill:
12          ▸     amends the State Construction Code to:
13               •     align with updated standards in the International Residential Code (IRC); and
14               •     modify provisions of the IRC;
15          ▸     creates a mass timber construction loan program; and
16          ▸     makes technical changes.
17     Money Appropriated in this Bill:
18          None
19     Other Special Clauses:
20          None
21     Utah Code Sections Affected:
22     AMENDS:
23          15A-1-104, as enacted by Laws of Utah 2014, Chapter 197
24          15A-2-103, as last amended by Laws of Utah 2023, Chapters 160, 209
25          15A-3-105, as last amended by Laws of Utah 2023, Chapter 209
26          15A-3-202, as last amended by Laws of Utah 2023, Chapter 209
27          15A-3-203, as last amended by Laws of Utah 2023, Chapter 209

28          15A-3-204, as last amended by Laws of Utah 2023, Chapter 209
29          15A-3-205, as last amended by Laws of Utah 2023, Chapter 209
30          15A-3-206, as last amended by Laws of Utah 2023, Chapter 209
31          15A-3-401, as last amended by Laws of Utah 2019, Chapter 20
32          15A-3-701, as last amended by Laws of Utah 2023, Chapter 209
33          15A-3-801, as last amended by Laws of Utah 2023, Chapter 209
34          58-55-102, as last amended by Laws of Utah 2023, Chapter 223
35     ENACTS:
36          63N-3-13, Utah Code Annotated 1953
37     REPEALS:
38          15A-6-101, as enacted by Laws of Utah 2016, Chapter 249
39          15A-6-102, as last amended by Laws of Utah 2020, Chapter 136
40     

41     Be it enacted by the Legislature of the state of Utah:
42          Section 1. Section 15A-1-104 is amended to read:
43          15A-1-104. Permit approval required -- Certificate of occupancy valid.
44          (1) As used in this section:
45          (a) "Compliance agency" is as defined in Section 15A-1-202.
46          (b) "Project" is as defined in Section 15A-1-209.
47          (2) A compliance agency for a political subdivision may not reject a permit, or
48     otherwise withhold approval of a project whenever approval is required, for failure to comply
49     with the applicable provisions of this title unless the compliance agency:
50          (a) cites with specificity the applicable provision with which the project has failed to
51     comply; and
52          (b) describes how the project has failed to comply.
53          (3) A municipality may not withhold a permit or project approval for a project because
54     of a noncomplying or non-conforming structure on the same property provided:
55          (a) it has been in place for a minimum of one year; and
56          (b) it does not pose an immediate health or life safety concerns.
57          (4) A municipality may not require additional permitting, engineering or inspections
58     for a non-conforming and non-complying structures after it has been in place for one year or

59     more if the work in question does not pose an immediate health or life safety concern.
60          (5) If a compliance agency or a representative of a compliance agency issues a
61     certificate of occupancy, the compliance agency may not withdraw the certificate of occupancy
62     or exert additional jurisdiction over the elements of the project for which the certificate was
63     issued unless additional changes or modifications requiring a building permit are made to
64     elements of the project after the certificate was issued.
65          Section 2. Section 15A-2-103 is amended to read:
66          15A-2-103. Specific editions adopted of construction code of a nationally
67     recognized code authority.
68          (1) Subject to the other provisions of this part, the following construction codes are
69     incorporated by reference, and together with the amendments specified in Chapter 3, Statewide
70     Amendments Incorporated as Part of State Construction Code, and Chapter 4, Local
71     Amendments Incorporated as Part of State Construction Code, are the construction standards to
72     be applied to building construction, alteration, remodeling, and repair, and in the regulation of
73     building construction, alteration, remodeling, and repair in the state:
74          (a) the 2021 edition of the International Building Code, including Appendices C and J,
75     issued by the International Code Council;
76          (b) [except as provided in Subsection (1)(c),] the 2021 edition of the International
77     Residential Code, issued by the International Code Council;
78          [(c) the residential provisions of Chapter 11, Energy Efficiency, of the 2015 edition of
79     the International Residential Code, issued by the International Code Council;]
80          [(d)] (c) Appendix AQ of the 2021 edition of the International Residential Code, issued
81     by the International Code Council;
82          [(e)] (d) the 2021 edition of the International Plumbing Code, issued by the
83     International Code Council;
84          [(f)] (e) the 2021 edition of the International Mechanical Code, issued by the
85     International Code Council;
86          [(g)] (f) the 2021 edition of the International Fuel Gas Code, issued by the International
87     Code Council;
88          [(h)] (g) the 2020 edition of the National Electrical Code, issued by the National Fire
89     Protection Association;

90          [(i) the residential provisions of the 2015 edition of the International Energy
91     Conservation Code, issued by the International Code Council;]
92          [(j)] (h) [the commercial provisions of] the 2021 edition of the International Energy
93     Conservation Code, issued by the International Code Council;
94          [(k)] (i) the 2021 edition of the International Existing Building Code, issued by the
95     International Code Council;
96          [(l)] (j) subject to Subsection 15A-2-104(2), the HUD Code;
97          [(m)] (k) subject to Subsection 15A-2-104(1), Appendix AE of the 2021 edition of the
98     International Residential Code, issued by the International Code Council;
99          [(n)] (l) subject to Subsection 15A-2-104(1), the 2005 edition of the NFPA 225 Model
100     Manufactured Home Installation Standard, issued by the National Fire Protection Association;
101          [(o)] (m) subject to Subsection (3), for standards and guidelines pertaining to plaster on
102     a historic property, as defined in Section 9-8a-302, the U.S. Department of the Interior
103     Secretary's Standards for Rehabilitation and Guidelines for Rehabilitating Historic Buildings;
104     and
105          [(p)] (n) the residential provisions of the 2021 edition of the International Swimming
106     Pool and Spa Code, issued by the International Code Council.
107          (2) Consistent with Title 65A, Chapter 8, Management of Forest Lands and Fire
108     Control, the Legislature adopts the 2006 edition of the Utah Wildland Urban Interface Code,
109     issued by the International Code Council, with the alternatives or amendments approved by the
110     Utah Division of Forestry, Fire, and State Lands, as a construction code that may be adopted by
111     a local compliance agency by local ordinance or other similar action as a local amendment to
112     the codes listed in this section.
113          (3) The standards and guidelines described in Subsection [(1)(o)] (1)(n) apply only if:
114          (a) the owner of the historic property receives a government tax subsidy based on the
115     property's status as a historic property;
116          (b) the historic property is wholly or partially funded by public money; or
117          (c) the historic property is owned by a government entity.
118          Section 3. Section 15A-3-105 is amended to read:
119          15A-3-105. Amendments to Chapters 10 through 12 of IBC.
120          (1) In IBC, Section 1010.2.4, number (2), the following is added at the end of the

121     sentence: "Blended assisted living facilities shall comply with Section 1010.2.14.1."
122          (2) A new IBC Section 1010.2.14.1 is added as follows: "1010.2.14.1 Blended assisted
123     living facilities. In occupancy Group I-1, Condition 2 or Group I-2, a Type-II assisted living
124     facility licensed by the Department of Health and Human Services for residents with
125     Alzheimers or dementia, and having a controlled egress locking system to prevent operation
126     from the egress side shall be permitted to also house residents without a clinical need for their
127     containment where all of the following provisions are met:
128          (a) locks in the means of egress comply with all IBC requirements for controlled egress
129     doors;
130          (b) all residents without a clinical need for their containment shall have the keys, codes
131     or other means necessary to operate the locking systems;
132          (c) residents or their legal representative acknowledge in writing that they understand
133     and agree to living in a facility where egress is controlled; and
134          (d) the number of residents housed in a smoke compartment with controlled egress
135     shall not be greater than 30."
136          (3) In IBC, Section 1011.5.2, exception 3 is deleted and replaced with the following: "
137     3. In Group R-3 occupancies, within dwelling units in Group R-2 occupancies, and in Group U
138     occupancies that are accessory to a Group R-3 occupancy, or accessory to individual dwelling
139     units in Group R-2 occupancies, the maximum riser height shall be 8 inches (203 mm) and the
140     minimum tread depth shall be 9 inches (229 mm). The minimum winder tread depth at the
141     walk line shall be 10 inches (254 mm), and the minimum winder tread depth shall be 6 inches
142     (152 mm). A nosing not less than 0.75 inch (19.1 mm) but not more than 1.25 inches (32 mm)
143     shall be provided on stairways with solid risers where the tread depth is less than 10 inches
144     (254 mm)."
145          [(2)] (4) In IBC, Section 1011.11, a new exception 6 is added as follows: " 6. In
146     occupancies in Group R-3, as applicable in Section 101.2 and in occupancies in Group U,
147     which are accessory to an occupancy in Group R-3, as applicable in Section 101.2, handrails
148     shall be provided on at least one side of stairways consisting of four or more risers."
149          [(3)] (5) IBC, Section 1025, is deleted.
150          Section 4. Section 15A-3-202 is amended to read:
151          15A-3-202. Amendments to Chapters 1 through 5 of IRC.

152          (1) In IRC, Section R101.2, Exception, the words "where provided with an automatic
153     sprinkler system complying with Section P2904" are deleted.
154          (2) In IRC, Section R102, a new Section R102.7.2 is added as follows: "R102.7.2
155     Physical change for bedroom window egress. A structure whose egress window in an existing
156     bedroom is smaller than required by this code, and that complied with the construction code in
157     effect at the time that the bedroom was finished, is not required to undergo a physical change to
158     conform to this code if the change would compromise the structural integrity of the structure or
159     could not be completed in accordance with other applicable requirements of this code,
160     including setback and window well requirements."
161          [(3) IRC, Section R105.2, number 10, is deleted and replaced with the following: "10.
162     Decks that are not more than 30 inches (762 mm) above grade at any point and not requiring
163     guardrails, that do not serve the exit door required by Section R311.4."]
164          (3) In IRC Section R105.2, under Building, the following changes are made:
165          (a) Number 3 is deleted and replaced with the following: "3. Retaining walls retaining
166     less than 4 feet (1219mm) of unbalanced fill, unless supporting a surcharge or requiring design
167     per Section R404.4."
168          (b) Number 10 is deleted and replaced with the following: "10. Decks that are not more
169     than 30 inches (762mm) above grade at any point and not requiring guardrails, that do not
170     serve exit door required by Section R311.4."
171          (4) In IRC, Section R105.2 a new exception is added: "11. Single level, non-connected
172     conex boxes."
173          [(4)] (5) In IRC, Section R108.3, the following sentence is added at the end of the
174     section: "The building official shall not request proprietary information."
175          [(5)] (6) IRC, Section 109.1.5, is deleted and replaced with the following: "R109.1.5
176     Weather-resistant exterior wall envelope inspections. An inspection shall be made of the
177     weather-resistant exterior wall envelope as required by Section R703.1 and flashings as
178     required by Section R703.4 to prevent water from entering the weather-resistive barrier."
179          [(6)] (7) In IRC, Section R202, the following definition is added: "ACCESSORY
180     DWELLING UNIT: A habitable living unit created within the existing footprint of a primary
181     owner-occupied single-family dwelling."
182          [(7)] (8) In IRC, Section R202, the definition for "Approved" is modified by adding the

183     words "or independent third-party licensed engineer or architect and submitted to the building
184     official" after the word "official."
185          [(8)] (9) In IRC, Section R202, the definition for "Approved Agency" is modified by
186     replacing the word "and" with "or."
187          [(9)] (10) In IRC, Section 202, the definition for "Approved Source" is modified by
188     adding the words "or licensed engineer or architect" after the word "official."
189          [(10)] (11) In IRC, Section R202, the following definition is added: "CERTIFIED
190     BACKFLOW PREVENTER ASSEMBLY TESTER: A person who has shown competence to
191     test Backflow prevention assemblies to the satisfaction of the authority having jurisdiction
192     under Utah Code, Subsection 19-4-104(4)."
193          [(11)] (12) In IRC, Section R202, the definition of "Cross Connection" is deleted and
194     replaced with the following: "CROSS CONNECTION. Any physical connection or potential
195     connection or arrangement between two otherwise separate piping systems, one of which
196     contains potable water and the other either water of unknown or questionable safety or steam,
197     gas, or chemical, whereby there exists the possibility for flow from one system to the other,
198     with the direction of flow depending on the pressure differential between the two systems (see
199     "Backflow, Water Distribution")."
200          [(12)] (13) In IRC, Section 202, the following definition is added: "DUAL SOURCE
201     CONNECTION. A pipe that is installed so that either the nonpotable (i.e. secondary) irrigation
202     water or the potable water is connected to a pressurized irrigation system at one time, but not
203     both at the same time; or a pipe that is installed so that either the potable water or private well
204     water is connected to a residence at one time, but not both at the same time. The potable water
205     supply line shall be protected by a reduced pressure backflow preventer."
206          [(13)] (14) In IRC, Section 202, the following definition is added: "ENERGY
207     STORAGE SYSTEM (ESS). One or more devices, assembled together, that are capable of
208     storing energy for supplying electrical energy at a future time."
209          [(14)] (15) In IRC, Section 202, in the definition for gray water a comma is inserted
210     after the word "washers"; the word "and" is deleted; and the following is added to the end: "and
211     clear water wastes which have a pH of 6.0 to 9.0; are non-flammable; non-combustible;
212     without objectionable odors; non-highly pigmented; and will not interfere with the operation of
213     the sewer treatment facility."

214          [(15)] (16) In IRC, Section R202, the definition of "Potable Water" is deleted and
215     replaced with the following: "POTABLE WATER. Water free from impurities present in
216     amounts sufficient to cause disease or harmful physiological effects and conforming to the
217     Utah Code, Title 19, Chapter 4, Safe Drinking Water Act, and Title 19, Chapter 5, Water
218     Quality Act, and the regulations of the public health authority having jurisdiction."
219          [(16)] (17) IRC, Figure R301.2 (3), is deleted and replaced with R301.2 (3) as follows:
220     
"TABLE R301.2 (3)
221     
GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH
222      City/TownCountyGround Snow Load (lb/ft2)Elevation (ft)
223      BeaverBeaver355886
224      Brigham CityBox Elder424423
225      Castle DaleEmery325669
226      CoalvilleSummit575581
227      DuchesneDuchesne395508
228      FarmingtonDavis354318
229      FillmoreMillard305138
230      Heber CityWasatch605604
231      JunctionPiute276030
232      KanabKane254964
233      LoaWayne377060
234      LoganCache434531
235      ManilaDaggett266368
236      MantiSanpete375620
237      MoabGrand214029
238      MonticelloSan Juan677064
239      MorganMorgan525062
240      NephiJuab395131
241      OgdenWeber374334
242      PanguitchGarfield416630
243      ParowanIron326007
244      PriceCarbon315558
245      ProvoUtah314541
246      RandolphRich506286
247      RichfieldSevier275338
248      St. GeorgeWashington212585
249      Salt Lake CitySalt Lake284239
250      TooeleTooele355029
251      VernalUintah395384
252      Note: To convert lb/ft2 to kN/m2, multiply by 0.0479. To convert feet to meters, multiply
by 0.3048.1. Statutory requirements of the Authority Having Jurisdiction are not included in
this state ground snow load table.
2. For locations where there is substantial change in altitude over the city/town, the load
applies at and below the cited elevation, with a tolerance of 100 ft (30 m).
3. For other locations in Utah, see Bean, B., Maguire, M., Sun, Y. (2018), "The Utah Snow
Load Study," Utah State University Civil and Environmental Engineering Faculty
Publications, Paper 3589, http://utahsnowload.usu.edu/, for ground snow load values."
253          [(17)] (18) IRC, Section R301.6, is deleted and replaced with the following: "R301.6
254     Utah Snow Loads. The snow loads specified in Table R301.2(5b) shall be used for the
255     jurisdictions identified in that table. Otherwise, for other locations in Utah, see Bean, B.,
256     Maguire, M., Sun, Y. (2018), "The Utah Snow Load Study," Utah State University Civil and
257     Environmental Engineering Faculty Publications, Paper 3589, http://utahsnowload.usu.edu/, for
258     ground snow load values."
259          [(18)] (19) In IRC, Section R302.2, the following sentence is added at the end of the
260     paragraph: "When an access/maintenance agreement or easement is in place, plumbing,
261     mechanical ducting, schedule 40 steel gas pipe, and electric service conductors including
262     feeders, are permitted to penetrate the common wall at grade, above grade, or below grade."
263          [(19)] (20) In IRC, Section R302.3, a new exception 3 is added as follows: "3.
264     Accessory dwelling units separated by walls or floor assemblies protected by not less than
265     1/2-inch (12.7 mm) gypsum board or equivalent on each side of the wall or bottom of the floor

266     assembly are exempt from the requirements of this section."
267          [(20)] (21) In IRC, Section R302.5.1, the last sentence is deleted.
268          [(21)] (22) IRC, Section R302.13, is deleted.
269          [(22)] (23) In IRC, Section R303.4, the following exception is added: "Exception:
270     Dwelling units tested in accordance with Section N1102.4.1.2 (R402.4.1.2) which has an air
271     tightness of 3.0 ACH (50) or greater do not require mechanical ventilation."
272          (24) In IRC, Section R310.1, all words in the last sentence after "or to a yard or court",
273     are deleted.
274          [(23)] (25) In IRC, Section R310.7, in the exception, the words "or accessory dwelling
275     units" are added after the words "sleeping rooms".
276          [(24)] (26) IRC, Sections R311.7.45 through R311.7.5.3, are deleted and replaced with
277     the following: "R311.7.45.1 Stair treads and risers. R311.7.5.1 Riser height. The maximum
278     riser height shall be 8 inches (203 mm). The riser shall be measured vertically between leading
279     edges of the adjacent treads. The greatest riser height within any flight of stairs shall not
280     exceed the smallest by more than 3/8 inch (9.5 mm).
281          R311.7.5.2 Tread depth. The minimum tread depth shall be 9 inches (228 mm). The
282     tread depth shall be measured horizontally between the vertical planes of the foremost
283     projection of adjacent treads and at a right angle to the tread's leading edge. The greatest tread
284     depth within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).
285     Winder treads shall have a minimum tread depth of 10 inches (254 mm) measured as above at
286     a point 12 inches (305 mm) from the side where the treads are narrower. Winder treads shall
287     have a minimum tread depth of 6 inches (152 mm) at any point. Within any flight of stairs, the
288     greatest winder tread depth at the 12-inch (305 mm) walk line shall not exceed the smallest by
289     more than 3/8 inch (9.5 mm).
290          R311.7.5.3 Nosing. The radius of curvature at the leading edge of the tread shall be no
291     greater than 9/16 inch (14.3 mm). A nosing not less than 3/4 inch (19 mm) but not more than 1
292     1/4 inches (32 mm) shall be provided on stairways with solid risers. The greatest nosing
293     projection shall not exceed the smallest nosing projection by more than 3/8 inch (9.5 mm)
294     between two stories, including the nosing at the level of floors and landings. Beveling of
295     nosing shall not exceed 1/2 inch (12.7 mm). Risers shall be vertical or sloped from the
296     underside of the leading edge of the tread above at an angle not more than 30 degrees (0.51 rad)

297     from the vertical. Open risers are permitted, provided that the opening between treads does not
298     permit the passage of a 4-inch diameter (102 mm) sphere.
299          Exceptions.
300          1. A nosing is not required where the tread depth is a minimum of 10 inches (254 mm).
301          2. The opening between adjacent treads is not limited on stairs with a total rise of 30
302     inches (762 mm) or less."
303          [(25)] (27) IRC, Section R312.2, is deleted.
304          [(26)] (28) IRC, Sections R313.1 through R313.2.1, are deleted and replaced with the
305     following: "R313.1 Design and installation. When installed, automatic residential fire
306     sprinkler systems for townhouses or one- and two-family dwellings shall be designed and
307     installed in accordance with Section P2904 or NFPA 13D."
308          [(27)] (29) In IRC, Section R314.2.2, the words "or accessory dwelling units" are
309     added after the words "sleeping rooms".
310          [(28)] (30) In IRC, Section R315.2.2, the words "or accessory dwelling units" are
311     added after the words "sleeping rooms".
312          [(29)] (31) In IRC, Section 315.3, the following words are added to the first sentence
313     after the word "installed": "on each level of the dwelling unit and."
314          [(30)] (32) A new IRC, Section R328.12, is added as follows:
315          "R328.12 Signage. A sign located on the exterior of the dwelling shall be installed at a
316     location approved by the authority having jurisdiction which identifies the battery chemistry
317     included in the ESS. This sign shall be of sufficient durability to withstand the environment
318     involved and shall not be handwritten."
319          [(31)] (33) In IRC, Section 403.1.3.5.3, an exception is added as follows: "Exception:
320     Vertical steel in footings shall be permitted to be located while concrete is still plastic and
321     before it has set. Where vertical steel resists placement or the consolidation of concrete around
322     steel is impeded, the concrete shall be vibrated to ensure full contact between the vertical steel
323     and concrete."
324          [(32)] (34) In IRC, Section R403.1.6, a new Exception 3 is added as follows: "3.
325     When anchor bolt spacing does not exceed 32 inches (813 mm) apart, anchor bolts may be
326     placed with a minimum of two bolts per plate section located not less than 4 inches (102 mm)
327     from each end of each plate section at interior bearing walls, interior braced wall lines, and at

328     all exterior walls."
329          [(33)] (35) In IRC, Section R403.1.6.1, a new exception is added at the end of Item 2
330     and Item 3 as follows: "Exception: When anchor bolt spacing does not exceed 32 inches (816
331     mm) apart, anchor bolts may be placed with a minimum of two bolts per plate section located
332     not less than 4 inches (102 mm) from each end of each plate section at interior bearing walls,
333     interior braced wall lines, and at all exterior walls."
334          [(34)] (36) In IRC, Section R404.1, a new exception is added as follows: "Exception:
335     As an alternative to complying with Sections R404.1 through R404.1.5.3, concrete and
336     masonry foundation walls may be designed in accordance with IBC Sections 1807.1.5 and
337     1807.1.6 as amended in Section 1807.1.6.4 and Table 1807.1.6.4 under these rules."
338          [(35)] (37) In IRC, Section R405.1, a second exception is added as follows:
339     "Exception: When a geotechnical report has been provided for the property, a drainage system
340     is not required unless the drainage system is required as a condition of the geotechnical report.
341     The geotechnical report shall make a recommendation regarding a drainage system."
342          [(36)] (38) In IRC, Section R506.2.3, the words "10-mil (0.010 inch; 0.25 mm)" are
343     deleted and replaced with "6-mil (0.006 inch; 0.152 mm)" and the words "conforming to
344     ASTM E1745 Class A requirements" are deleted.
345          Section 5. Section 15A-3-203 is amended to read:
346          15A-3-203. Amendments to Chapters 6 through 15 of IRC.
347          (1) IRC, Section [609.4.1] R609.4.1, is deleted.
348          (2) In IRC, Section N1101.4 (R102.1.1), a new section N1101.4.1 (R102.1.1) is added
349     as follows: "N1101.4.1 National Green Building Standard. Buildings complying with ICC
350     700-2020 National Green Building Standard and achieving the Gold rating level for the energy
351     efficiency category shall be deemed to exceed the energy efficiency required by this code. The
352     building shall also meet the requirements identified in table N1105.2 and the building thermal
353     envelope efficiency is greater than or equal to levels of efficiency and solar heat gain
354     coefficients (SHGC) in Tables N1102.2.2 and N1102.1.3 of the 2009 IRC."
355          [(2)] (3) In IRC, Section N1101.5 (R103.2), all words after the words "herein
356     governed." are deleted and replaced with the following: "Construction documents include all
357     documentation [required to be submitted in order to issue a building permit."] required for
358     building permits shall include only those items specified in Subsection 10-5-132(8) of the Utah

359     Municipal Code."
360          (4) In IRC, Section N1101.10.3 (R303.1.3) the following changes are made:
361          (a) The following is added at the end of the first sentence "or EN
362     14351-1:2006+A1:2010."
363          (b) The word "accredited" is replaced with "approved" in the third sentence.
364          (c) The following sentence is added after the third sentence: "A conversion factor of
365     5.678 shall be used to convert from U values expressed in SI units: ()/53678=."
366          (d) After "NFRC 200" the following words are added: "or EN
367     14351-1:2006+A1:2010," and in the sentence the word "accredited" is replaced with the word
368     "approved."
369          (e) The following new sentence shall be inserted immediately prior to the last sentence:
370     "Total Energy Transmittance values may be substituted for SHGC, and Luminous
371     Transmission values may be substituted for VT."
372          [(3)] (5) In IRC, Section N1101.12 (R303.3), all wording after the first sentence is
373     deleted. [(4) In IRC, Section N1101.13 (R401.2), add Exception as follows:]
374          ["2. Exception: A project complies if the project demonstrates compliance, using the
375     software RESCheck 2012 Utah Energy Conservation Code, of:]
376          [(a) on or after January 1, 2017, and before January 1, 2019, "3 percent better than
377     code";]
378          [(b) on or after January 1, 2019, and before January 1, 2021, "4 percent better than
379     code"; and]
380          [(c) after January 1, 2021, "5 percent better than code."" (5) In IRC, Table N1102.2
381     (R402.1.2), in the column titled MASS WALL R-VALUE, a new footnote j is added as
382     follows:]
383          ["j. Log walls complying with ICC400 and with a minimum average wall thickness of
384     5 inches or greater shall be permitted in Zones 5 through 8 when overall window glazing has a
385     .31 U-factor or lower, minimum heating equipment efficiency is 90 AFUE (gas) or 84 AFUE
386     (oil), and all other component requirements are met."]
387          (6) In IRC, Section N1101.13 (R401.2), in the first sentence, the words "Section
388     N1101.13.5 and" are deleted.
389          (7) In IRC, Section N1101.13.5 (R401.2.5) is deleted.

390          (8) In IRC, Section N1101.14 (R401.3) Number 7, the words "and the compliance path
391     used" are deleted.
392          (9) In IRC, Table N1102.1.2 (R402.1.2):
393          (a) in the column titled Fenestration U-Factor the following changes are made:
394          (i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;
395          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with
396     0.32; and
397          (iii) in the row titled "Climate Zone 6" delete 0.30 and replace it with 0.32;
398          (b) in the column titled "Glazed Fenestration SHGC", the following change is made: in
399     the row titled "Climate Zone 3" delete 0.25 and replace it with 0.35;
400          (c) in the column titled "Climate U-Factor" the following changes are made:
401          (i) in the row titled "Climate Zone 3" delete 0.026 and replace it with 0.033;
402          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.024 and replace it with
403     0.030; and
404          (iii) in the row titled "Climate Zone 6" delete 0.024 and replace it with 0.030;
405          (d) in the column titled "Wood Frame Wall U Factor", the following changes are made:
406          (i) in the row titled "Climate Zone 3" delete 0.060 and replace it with 0.065;
407          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.045 and replace it with
408     0.065; and
409          (iii) in the row titled "Climate Zone 6" delete 0.045 and replace it with 0.065;
410          (e) in the column titled "Basement wall U-Factor" the following changes are made:
411          (i) in the row titled "Climate Zone 5" and Marine 4" delete 0.050 and replace it with
412     0.075; and
413          (ii) in the row titled "Climate Zone 6" delete 0.50 and replace it with 0.065; and
414          (f) in the column titled "Crawl Space Wall U-Factor" the following changes are made:
415          (i) in the row titled Climate "Zone 5 and Marine 4" delete 0.055 and replace it with
416     0.078; and
417          (ii) in the row titled "Climate Zone 6" delete 0.55 and replace it with 0.065.
418          [(6)] (10) In IRC, Table N1102.1.3(R402.1.3), the following changes are made:
419          (a) in the column titled "Wood Frame Walls R-Value" a new footnote indicator "j" is
420     added and at the bottom of the footnotes the following footnote "j" is added: "j. In climate

421     zone 3B and 5B, an R-15, and in climate zone 6, an R-20 shall be acceptable where
422     air-impermeable insulation is installed in the cavity space, exterior continuous insulation, or
423     some combination thereof; and the tested house air leakage is a maximum of 2.0 ACH50"; and
424          (b) add a new footnote "k" as follows: "k. Log walls complying with ICC400 and with
425     a minimum average wall thickness of 5 inches or greater shall be permitted in Zones 5 through
426     8 when overall window glazing has 0.30 U -factor or lower, minimum heating equipment
427     efficiency is for gas 95 AFUE,or for oil, 84 AFUE, and all other components requirements are
428     met."
429          (11) In IRC, Table N1102.1.3 (R402.1.3) the following changes are made:
430          (a) in the column titled "Fenestration U-Factor" the following changes are made:
431          (i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;
432          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with
433     0.32; and
434          (iii) in the row titled "Climate Zone 6" delete 0.30 and replace it with 0.32;
435          (b) in the column titled "Glazed Fenestration SHGC" the following change is made: in
436     the row titled "Climate Zone 3" deleted 0.25 and replace it with 0.35;
437          (c) in the Column R-Value the following changes are made:
438          (i) in the row titled "Climate Zone 3"delete 49 and replace it with 32;
439          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 60 and replace it with 38;
440     and
441          (iii) in the row titled "Climate Zone 6" delete 60 and replace it with 38;
442          (d) in the Column titled "Wood Frame Wall R-Value" the following changes are made:
443          (i) in the row titled "Climate Zone 3" delete all values and replace with 19+ Oci or
444     11+5ci or 015ci;
445          (ii) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
446     19+Oci or 13+5ci or 0+15ci; and
447          (iii) in the row titled "Climate Zone 6" delete all values and replace with 19+Oci or
448     13+5ci or 0+15ci;
449          (e) in the column titled "Basement Wall R Value" the following changes are made:
450          (i) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
451     15+Oci or 0+11ci or 11+5ci; and

452          (ii) in the row titled "Climate Zone 6" delete all values and replace with 19+Oci or
453     0+13ci or 11+5ci;
454          (f) in the column titled "Slab R Value and Depth" the following changes are made:
455          (i) in the row titled "Climate Zone 3" delete 10ci. 2ft and replace it with NR; and
456          (ii) in the row titled "Climate Zone 5 & Marine 4" delete 4 ft and replace it with 2 ft;
457     and
458          (g) in the column titled "Crawl Space Wall R-Value" the following changes are made:
459          (i) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
460     15+ Oci or 0 + 11ci or 11 +5ci; and
461          (ii) in the row titled "Climate Zone 6" delete all values and replace with 19 + Oci or 0
462     + 13ci or 0 + 11 + 5 ci.
463          (12) In IRC, a new subsection N1102.1.5.1 (R402.1.5.1) is added as follows:
464     "1102.1.5.1 (R402.1.5.1) RESCheck 2012 Utah Energy Conservation Code. Compliance with
465     section N1102.1.5 (R402.1.5) may be satisfied using the software RESCheck 2012 Utah
466     Energy Conservation Code, which shall satisfy the R-value and U-factor requirements of
467     N1102.1, N1102.2, and N1102.3, provided the following conditions are met:
468          (a) in "Climate Zone 5 and 6" the software result shall show 5% better than code; and
469          (b) in "Climate Zone 3", the software result shall show 5% better than code when
470     software inputs for window U-factor .65 and window SHGC=0.40, notwithstanding actual
471     windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and
472     N1102.1.3 (R402.1.3)."
473          (13) In IRC, Sections N1102.2.1 (R402.2.1), a new Section N1102.2.1.1 is added as
474     follows:
475          "N1102.2.1.1. Unvented attic and unvented enclosed rafter assemblies. Unvented attic
476     and unvented enclosed rafter assemblies conforming to Section R806.5 shall be provided with
477     an R-value of R-22 (maximum U-Factor of 0.045) in Climate Zone 3-B or an R-value of R-26
478     (maximum U-factor of 0.038) in Climate Zones 5-B and 6-B shall be permitted provided all the
479     following conditions are met:
480          1. The unvented attic assembly complies with the requirements of the International
481     Residential Code, R806.5.
482          2. The house shall attain a blower door test result < 2.5ACH 50.

483          3. The house shall require a whole house mechanical ventilation system that does not
484     rely solely on a negative pressure strategy (must be positive, balanced or hybrid).
485          4. Where insulation is installed below the roof deck and the exposed portion of roof
486     rafters are not already covered by the R-20 depth of the air-impermeable insulation, the
487     exposed portion of the roof rafters shall be wrapped (covered) by minimum R-3 unless directly
488     covered by drywall/finished ceiling. Roof rafters are not required to be covered by minimum
489     R-3 if a continuous insulation is installed above the roof deck.
490          5. Indoor heating, cooling and ventilation equipment (including ductwork) shall be
491     inside the building thermal envelope."
492          [(7)] (14) In IRC, Section N1102.2.9.1 (R402.2.9.1) the numeral (i) is added before the
493     words "cut at a 45 degree" and the following is added after the words "exterior wall": "or (ii)
494     lowered from top of slab 4" when a 4" thermal break material such as, but not limited to, felt or
495     asphalt impregnated fiber board, with a minimum thickness of 1/4" is installed at the upper 4"
496     of slab".
497          (15) In IRC, Section N1102.4.1 (R402.4.1), in the first sentence, the word "and" is
498     deleted and replaced with the word "or."
499          [(8)] (16) In IRC, Section N1102.4.1.1 (R402.4.1.1), the last sentence is deleted and
500     replaced with the following: "Where allowed by the code official, the builder may certify
501     compliance to components criteria for items which may not be inspected during regularly
502     scheduled inspections."
503          [(9)] (17) In IRC, Table N1102.4.1.1 (R402.4.1.1) in the column titled
504     "COMPONENT, the following changes are made:
505          (a) In the row "Rim Joists" the word "exterior" in the first sentence is deleted, and the
506     second sentence is deleted.
507          (b) In the row "Electrical/phone box on the exterior walls" the last sentence is deleted
508     and replaced with: "Alternatively, close cell foam, caulking or gaskets may be used, or air
509     sealed boxes may be installed."
510          (18) In IRC, Section N1102.4.1.2 (R402.4.1.2), the following changes are made:
511          (a) In the [first] fourth sentence[:], the word "third" is deleted.
512          [(i) "The building or dwelling unit" is deleted and replaced with "A single-family
513     dwelling";]

514          [(ii) after January 1, 2019, replace the word "five" with "3.5"; and]
515          [(iii) the words "in Climate Zones 1 and 2, and three air changes per hour in Climate
516     Zones 3 through 8" are deleted.]
517          (b) The following sentence is [inserted after the first sentence: "A multi-family
518     dwelling and townhouse shall be tested and verified as having an air leakage rate of not
519     exceeding five air changes per hour." (c) In the third sentence, the word "third" is deleted. (d)
520     The following sentence is inserted after the third sentence:] added after the fourth sentence:
521     "The following parties shall be approved to conduct testing: Parties certified by BPI or
522     RESNET, or licensed contractors who have completed training provided by Blower Door Test
523     equipment manufacturers or other comparable training."
524          (c) In the first Exception the second sentence is deleted.
525          [(10)] (19) In IECC, Section R402.4.1.3 the following changes are made:
526          (a) In the first sentence, the words "5.0 air changes per hour in Climate Zones 0, 1 and
527     2, and 3.0" are deleted and replaced with "4.0", and the words "in Climate Zone 3 through 8"
528     are deleted.
529          (b) In the first sentence of the Exception, "0.28" is replaced with "5.0 air changes per
530     hour or 0.30."
531          (c) In Number 2 the words "of conditioned floor area" are inserted before the words "or
532     smaller."
533          (20) IECC, Section R402.6 is deleted.
534          (21) In IECC, Section R403.3.1 is deleted and replaced with the following: "Ducts
535     located outside conditioned space. Supply and return ducts in attics shall be insulated to a
536     minimum of R-8 where 3 inches (76.2 mm) in diameter and greater and R-6 where less than 3
537     inches (76.2 mm) in diameter. Supply and return ducts in other portions of the building shall be
538     insulated to a minimum of R-6 where 3 inches (76.2 mm) in diameter or greater and R-4.2
539     where less than 3 inches (76.2 mm) in diameter. Exception: Ducts or portions thereof located
540     completely inside the building thermal envelope."
541          (22) [In] IRC, Section N1103.3.3 (R403.3.3), [the exception for duct air leakage testing
542     is deleted and replaced with the following:] is deleted.
543          (a) on or after January 1, 2017, and before January 1, 2019, with the following:
544     "Exception: The duct air leakage test is not required for systems with all air handlers and at

545     least 65% of all ducts (measured by length) located entirely within the building thermal
546     envelope.";
547          [(b) on or after January 1, 2019, and before January 1, 2021, with the following:
548     "Exception: The duct air leakage test is not required for systems with all air handlers and at
549     least 75% of all ducts (measured by length) located entirely within the building thermal
550     envelope."; and]
551          [(c) on or after January 1, 2021, with the following: "Exception: The duct air leakage
552     test is not required for systems with all air handlers and at least 80% of all ducts (measured by
553     length) located entirely within the building thermal envelope."]
554          [(11) In IRC, Section N1103.3.3 (R403.3.3), the following is added after the second
555     exception: "The following parties shall be approved to conduct testing: Parties certified by BPI
556     or RESNET, or licensed contractors who have completed either training provided by Duct Test
557     equipment manufacturers or other comparable training."]
558          [(12) In IRC, Section N1103.3.4 (R403.3.4):]
559          [(a) in Subsection 1, the number 4 is changed to 8, the number 113.3 is changed to 170,
560     the number 3 is changed to 6, the number 85 is changed to 114.6; and]
561          [(b) in Subsection 2:]
562          [(i) on or after January 1, 2017, and before January 1, 2019, the number 4 is changed to
563     8 and the number 113.3 is changed to 226.5;]
564          [(ii) on or after January 1, 2019, and before January 1, 2021, the number 4 is changed
565     to 7 and the number 113.3 is changed to 198.2; and]
566          [(iii) on or after January 1, 2021, the number 4 is changed to 6 and the number 113.3 is
567     changed to 169.9.]
568          (23) IRC Section N1103.3.3.1 (R403.3.3.1) is deleted.
569          [(13)] (24) In IRC, Section N1103.3.5 (R403.3.5), the [words "or plenums" are
570     deleted.] the following changes are made:
571          (a) A second Exception is added as follows: "A duct leakage test shall not be required
572     for any system designed such that no air handlers or ducts are located within unconditioned
573     attics."
574          (b) The following is added at the end of the section: "The following parties shall be
575     approved to conduct testing:

576          (i) Parties certified by BPT or RESNET;
577          (ii) Licensed contractors who have completed training provided by Duct Test
578     equipment manufacturers or other comparable training."
579          [(14) In IRC, Section N1103.5.3 (R403.5.3), Subsection 5 is deleted and Subsections 6
580     and 7 are renumbered.]
581          (25) In IRC, Section N1103.3.6 (R403.3.6) the following changes are made:
582          (a) In Subsection 1:
583          (i) the number 4.0 is changed to 6.0;
584          (ii) the number 113.3 is changed to 170;
585          (iii) the number 3.0 is changed to 5.0; and
586          (iv) the number 85 is changed to 141;
587          (b) in Subsection 2:
588          (i) the number 4.0 is changed to 5.0; and
589          (ii) the number113.3 is changed to 141;
590          (c) Subsection 3 is deleted.
591          (26) In IRC, Section N1103.3.7 (R403.3.7) the words "or plenums" are deleted.
592          (27) In IRC, Section N1103.5.1.1 (R403.5.1.1) the words "Where installed" are added
593     at the beginning of the first sentence.
594          (28) In IRC, Section N1103.5.2 (R403.5.2) the following change is made:
595          (a) Subsections 5 and 6 are deleted and Subsection 7 is renumbered to 5.
596          [(15)] (29) IRC, Section [N1103.6.1 (R403.6.1)] N1103.6.2 (R403.6.2), is deleted and
597     replaced with the following: ["N1103.6.1 (R403.6.1)] "N1103.6.2 (R403.6.2) Whole-house
598     mechanical ventilation system fan efficacy. Fans used to provide whole-house mechanical
599     ventilation shall meet the efficacy requirements of Table [N1103.6.1 (R403.6.1)] N1103.6.2
600     (R403.6.2).
601          Exception: Where an air handler that is integral to tested and listed HVAC equipment is
602     used to provide whole-house mechanical ventilation, the air handler shall be powered by an
603     electronically commutated motor."
604          [(16)] (30) In IRC, Section [N1103.6.1 (R403.6.1),] N1103.6.2 (R403.6.2), the table is
605     deleted and replaced with the following:
606          "TABLE [N1103.6.1 (R403.6.1)] N1103.6.2 (R403.6.2)",

607          MECHANICAL VENTILATION SYSTEM FAN EFFICACY
608     
FAN LOCATION
AIR FLOW RATE
MINIMUM (CFM)
MINIMUM
EFFICACY
(CFM/WATT)
AIR FLOW RATE
MAXIMUM (CFM)
609     
HRV or ERV
Any
1.2 cfm/watt
Any
610     
Range hoods
Any
2.8 cfm/watt
Any
611     
In-line fan
Any
2.8 cfm/watt
Any
612      Bathroom, utility room
10
1.4 cfm/watt
<90
613      Bathroom, utility room
90
2.8 cfm/watt
Any"
614          [(17) In IRC, Section N1106.4 (R406.4), the table is deleted and replaced with the
615     following:]
616          ["TABLE N1106.4 (R406.4)]
617          [MAXIMUM ENERGY RATING INDEX]
618     
[CLIMATE ZONE]
[ENERGY RATING INDEX]
619     
[3]
[65]
620     
[5]
[69]
621     
[6]
[68"]
622          (31) IRC, Section N1103.6.3 (R403.6.3) is deleted.
623          [(18)] (32) In IRC, Section N1103.7 (R403.7) the word "approved" is deleted in the
624     first sentence and the following is added after the word "methodologies"[,]: "complying with
625     N1103.7.1(R403.7.1)".
626          [(19)] (33) A new IRC, Section N1103.7.1(R403.7.1) is added as follows: "N1103.7.1
627     Qualifications. An individual performing load calculations shall be qualified by completing
628     HVAC training from one of the following:
629          1. HVAC load calculation education from ACCA;
630          2. A recognized educational institution;
631          3. HVAC equipment manufacturer's training; or
632          4. Other recognized industry certification."
633          [(20) In IRC, Section M1307.2, the words "In Seismic Design Categories D0, D1, and
634     D2, and in townhouses in Seismic Design Category C", are deleted, and in Subparagraph 1, the

635     last sentence is deleted.]
636          [(21)] (34) In IRC, Section N1104.1 (R404.1), the word "All" is replaced with "Not
637     less than 90 percent of the lamps in".
638          (35) IRC, Section N1104.1.1 (R404.1.1) is deleted.
639          (36) IRC, Section N1104.2 (R404.2) is deleted.
640          (37) IRC, Section N1104.3 (R404.3) is deleted.
641          (38) In IRC, section N1105.2 (R405.2) the following changes are made:
642          (a) In Subsection 3, the words "approved by the code official" are deleted; and
643          (b) In Subsection 3, the following words are added at the end of the sentence: "when
644     applicable and readily available".
645          (39) In IRC, Section N1106.3 (R406.3) "Building thermal envelope" is deleted, and
646     replaced with "Building thermal envelope and on-site renewables. The proposed total building
647     thermal envelope UA, which is the sum of U-factor times assembly area, shall be less than or
648     equal to the building thermal envelope UA using the prescriptive U-factors from Table
649     N1102.1.2 multiplied by 1.15 in accordance with Equation 11-4. The area-weighted maximum
650     fenestration SHGC permitted in Climate Zones 0 through 3 shall be: 0.30.UAProposed design
651     =1.15xUAPrescriptive reference design (Equation 11-4)."
652          (40) In IRC, Section N1106.3.1 (R406.3.1) is deleted.
653          (41) In IRC, Section N1106.3.2 (R403.3.2) is deleted.
654          (42) In IRC, Section N1106.4 (R406.4) the following changes are made:
655          (a) In the first sentence, the words "in accordance with Equation 11-5" are deleted and
656     replaced with: "permitted to be calculated using the minimum total air exchange rate for the
657     rated home (Qtot) and for the index adjustment factor in accordance with Equation 11.5.";
658          (b) In equation 11-5, the words "Ventilation rate, CFM" are deleted and replaced with:
659     "Qtot"; and
660          (c) In the last sentence the number "5" is deleted and replaced with "15".
661          (43) In IRC N1106.5, in the column titled "ENERGY RATING INDEX" of Table
662     R406.5, the following changes are made:
663          (a) In the row for "Climate Zone 3", "51" is deleted and replaced with "65";
664          (b) In the row for "Climate Zone 5", "55" is deleted and replaced with "69"; and
665          (c) In the row for "Climate Zone 6", "54" is deleted and replaced with "68".

666          (44) In IRC, Section N1108 (R408) is deleted.
667          (45) In IRC, Section M1401.3 the word "approved" is deleted in the first sentence and
668     the following is added after the word methodologies ", complying with M1401.3.1".
669          [(22)] (46) A new IRC, Section M1401.3.1, is added as follows: "M1401.3.1
670     Qualifications. An individual performing load calculations shall be qualified by completing
671     HVAC training from one of the following:
672          1. HVAC load calculation education from ACCA;
673          2. A recognized educational institution;
674          3. HVAC equipment manufacturer's training; or
675          4. Other recognized industry certification."
676          [(23)] (47) In IRC, Section M1402.1, the following is added at the end of the second
677     sentence: "or UL/CSA 60335-2-40."
678          [(24)] (48) In IRC, Section M1403.1, the characters "/ANCE" are deleted.
679          [(25)] (49) IRC, Section M1411.9, is deleted.
680          [(26)] (50) In IRC, Section M1412.1, the characters "/ANCE" are deleted.
681          [(27)] (51) In IRC, Section M1413.1, the characters "/ANCE" are deleted.
682          Section 6. Section 15A-3-204 is amended to read:
683          15A-3-204. Amendments to Chapters 16 through 25 of IRC.
684          (1) In IRC, Section M1602.2, a new exception is added at the end of Item 8 as follows:
685     "Exception: The discharge of return air from an accessory dwelling unit into another dwelling
686     unit, or into an accessory dwelling unit from another dwelling unit, is not prohibited."
687          (2) A new IRC, Section G2401.2, is added as follows: "G2401.2 Meter Protection.
688     Fuel gas services shall be in an approved location and/or provided with structures designed to
689     protect the fuel gas meter and surrounding piping from physical damage, including falling,
690     moving, or migrating ice and snow. If an added structure is used, it must provide access for
691     service and comply with the IBC or the IRC."
692          [(3) IRC, Section P2503.2, is deleted and replaced with the following: "P2503.2
693     Testing. Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure
694     detector fire protection, double check detector fire protections, and spill-resistant vacuum
695     breaker backflow preventer assemblies shall be tested at the time of installation, immediately
696     after repairs or relocation and at least annually. The Utah Cross-Connection Control

697     Commission has adopted the field test procedures published by the Manual of Cross
698     Connection Control, Tenth Edition. This manual is published by the University of Southern
699     California's Foundation for Cross-Connection Control and Hydraulic Research. Test gauges
700     shall comply with ASSE 1064."]
701          (3) In IRC, Section 2503.5.1, #2 Air Test is deleted and replaced with the following:
702     "Where water is not available at the construction site or where freezing conditions limit the use
703     of water on the construction site, plastic drainage and vent pipe may be permitted to be tested
704     with air. The following procedures shall be followed:
705          (a) Contractor shall recognize that plastic is extremely brittle at lower temperatures and
706     can explode, causing serious injury or death.
707          (b) Contractor assumes all liability for injury or death to persons or damage to property
708     or for claims for labor and/or material arising from any alleged failure of the system during
709     testing with air or compressed gasses.
710          (c) Proper personal protective equipment, including safety eyewear and protective
711     headgear, should be worn by all individuals in any area where an air or gas test is being
712     conducted.
713          (d) Contractor shall take all precautions necessary to limit the pressure within the
714     plastic piping.
715          (e) No drain and vent system shall be pressurized in excess of 6 psi as measured by
716     accurate gauges graduated to no more than three times the test pressure.
717          (f) The pressure gauge shall be monitored during the test period, which should not
718     exceed 15 minutes.
719          (g) At the conclusion of the test, the system shall be depressurized gradually, all
720     trapped air or gases should be vented, and test balls and plugs should be removed with
721     caution."
722          (4) In IRC, Section P2503.8, the word "devices" is deleted and replaced with the word
723     "assemblies."
724          (5) IRC, Section P2503.8.2, is deleted and replaced with the following: "P2503.2
725     Testing. Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure
726     detector fire protection, double check detector fire protections, and spill-resistant vacuum
727     breaker backflow preventer assemblies shall be tested at the time of installation, immediately

728     after repairs or relocation and at least annually. The Utah Cross-Connection Control
729     Commission has adopted the field test procedures published by the Manual of Cross
730     Connection Control, Tenth Edition. This manual is published by the University of Southern
731     California's Foundation for Cross-Connection Control and Hydraulic Research. Test gauges
732     shall comply with ASSE 1064."
733          Section 7. Section 15A-3-205 is amended to read:
734          15A-3-205. Amendments to Chapters 26 through 35 of IRC.
735          (1) IRC, Section P2602.1, is deleted and replaced with the following: "P2602.1
736     General. The water-distribution system of any building or premises where plumbing fixtures
737     are installed shall be connected to a public water supply. Where a potable public water supply
738     is not available, individual sources of potable water supply shall be utilized provided that the
739     source has been developed in accordance with Utah Code Sections 73-3-1, 73-3-3, and
740     73-3-25, as administered by the Department of Natural Resources, Division of Water Rights. In
741     addition, the quality of the water shall be approved by the local health department having
742     jurisdiction. The source shall supply sufficient quantity of water to comply with the
743     requirements of this chapter.
744          Every building in which plumbing fixtures are installed and all premises having
745     drainage piping shall be connected to a public sewer where the sewer is accessible and is
746     within 300 feet of the property line in accordance with Utah Code Section 10-8-38, or an
747     approved private sewage disposal system in accordance with Utah Administrative Code, Rule
748     R317-4, as administered by the Department of Environmental Quality, Division of Water
749     Quality.
750          Exception: Sanitary drainage piping and systems that convey only the discharge from
751     bathtubs, showers, lavatories, clothes washers, and laundry trays shall not be required to
752     connect to a public sewer or to a private sewage disposal system provided that the piping or
753     systems are connected to a system in accordance with Sections P2910 or P2911."
754          (2) A new IRC, Section P2602.3, is added as follows: "P2602.3 Individual water
755     supply. Where a potable public water supply is not available, individual sources of potable
756     water supply shall be utilized, provided that the source has been developed in accordance with
757     Utah Code, Sections 73-3-1 and 73-3-25, as administered by the Department of Natural
758     Resources, Division of Water Rights. In addition, the quality of the water shall be approved by

759     the local health department having jurisdiction."
760          (3) A new IRC, Section P2602.4, is added as follows: "P2602.4 Sewer required. Every
761     building in which plumbing fixtures are installed and all premises having drainage piping shall
762     be connected to a public sewer where the sewer is accessible and is within 300 feet of the
763     property line in accordance with Utah Code, Section 10-8-38; or an approved private sewage
764     disposal system in accordance with Utah Administrative Code,
765     Chapter 4, Rule R317, as administered by the Department of Environmental Quality, Division
766     of Water Quality."
767          (4) In IRC, Section P2705, Item 5, the words "lavatory" and "lavatories" are deleted.
768          (5) In IRC, Section P2705, a new Item 9 is added as follows: "9. Lavatories. A lavatory
769     shall not be set closer than 12 inches from its center to any side wall or partition. A lavatory
770     shall be provided with a clearance of 24 inches in width and 21 inches in depth in front of the
771     lavatory to any side wall, partition, or obstruction." Remaining item numbers are renumbered
772     accordingly.
773          (6) In IRC, Section P2801.6.2, the following is added at the end of the section: "When
774     permitted by the code official, the pan drain may be directly connected to a soil stack, waste
775     stack, or branch drain. The pan drain shall be individually trapped and vented as required in
776     Section 907.1. The pan drain shall not be directly or indirectly connected to any vent. The trap
777     shall be provided with a trap primer conforming to ASSE 1018 or ASSE 1044, a barrier type
778     floor drain trap seal protection device meeting ASSE 1072, or a deep seal p-trap."
779          (7) A new IRC, Section P2801.6.3, is added as follows: "P2801.6.3 Pan designation. A
780     water heater pan shall be considered an emergency receptor designated to receive the discharge
781     of water from the water heater only and shall not receive the discharge from any other fixtures,
782     devises, or equipment."
783          (8) IRC, Section P2801.8, is deleted and replaced with the following: "P2801.8 Water
784     heater seismic bracing. As a minimum requirement, water heaters shall be anchored or strapped
785     to resist horizontal displacement caused by earthquake motion. Strapping shall be at points
786     within the upper one-third and lower one-third of the appliance's vertical dimensions.
787          (9) In IRC, Section P2804.6.1, a new number 15 is added as follows: "15. Be installed
788     in accordance with the manufacturer's installation instructions, not to exceed 180 degrees in
789     directional changes."

790          (10) A new IRC, Section P2902.1.1, is added as follows: "P2902.1.1 Backflow
791     assembly testing. Reduced pressure principle, double check, pressure vacuum breaker, reduced
792     pressure detector fire protection, double check detector fire protection, and spill-resistant
793     vacuum breaker backflow preventer assemblies shall be tested at the time of installation,
794     immediately after repairs or relocation and at least annually. The Utah Cross Connection
795     Control Commission has adopted the field test procedures published by the Manual of Cross
796     Connection Control, Tenth Edition. This manual is published by the University of Southern
797     California's Foundation for Cross-Connection Control and Hydraulic Research. Test gauges
798     shall comply with ASSE 1064.
799          (11) In IRC, Section P2902.1, the following subsections are added as follows:
800          "P2902.1.[2] 1 General Installation Criteria.
801          Assemblies shall not be installed more than five feet above the floor unless a permanent
802     platform is installed. The assembly owner, where necessary, shall provide devices or structures
803     to facilitate testing, repair, and maintenance, and to insure the safety of the backflow
804     technician.
805          P2902.1.2 Specific Installation Criteria.
806          P2902.1.[2] 3 Reduced Pressure Principle Backflow Prevention Assembly.
807          The reduced pressure principle backflow prevention assembly shall be installed as
808     follows:
809          a. The assembly may not be installed in a pit or below grade where the relief port could
810     be submerged in water or where fumes could be present at the relief port discharge.
811          b. The relief valve of the assembly shall not be directly connected to a waste disposal
812     line, including a sanitary sewer, a storm drain, or a vent.
813          c. The assembly shall be installed in a horizontal position only, unless listed or
814     approved for vertical installation in accordance with Section 303.4 of the International
815     Plumbing Code as amended in Utah Code, Subsection 15A-3-303(1).
816          d. The bottom of the assembly shall be installed a minimum of 12 inches above the
817     floor or ground.
818          e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
819     obstacle, and shall be readily accessible for testing, repair, and maintenance.
820          P2902.1.2.[2] 4 Double Check Valve Backflow Prevention Assembly.

821          A double check valve backflow prevention assembly shall be installed as follows:
822          a. The assembly shall be installed in a horizontal position only, unless listed or
823     approved for vertical installation.
824          b. The bottom of the assembly shall be a minimum of 12 inches above the ground or
825     floor.
826          c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
827     obstacle, and shall be readily accessible for testing, repair, and maintenance.
828          d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of
829     clearance between all sides of the vault, including the floor and roof or ceiling, with adequate
830     room for testing and maintenance.
831          P2902.1.2.[3] 5 Pressure Vacuum Break Assembly and Spill Resistant Pressure
832     Vacuum Breaker Assembly.
833          A pressure vacuum break assembly or a spill resistant pressure vacuum breaker
834     assembly shall be installed as follows:
835          a. The assembly shall not be installed in an area that could be subject to backpressure or
836     back drainage conditions.
837          b. The assembly shall be installed a minimum of 12 inches above all downstream
838     piping and the highest point of use.
839          c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle,
840     and shall be readily accessible for testing, repair, and maintenance.
841          d. The assembly shall not be installed below ground, in a vault, or in a pit.
842          e. The assembly shall be installed in a vertical position."
843          (12) In IRC, Table 2903.2, the following changes are made in the column titled
844     "MAXIMUM FLOW RATE OR QUANTITY":
845          (a) In the row titled "Lavatory faucet" the text is deleted and replaced with "1.5 gpm at
846     60 psi".
847          (b) In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80
848     psi".
849          (13) In IRC, Section P2903.3, the words "public water main or an" are deleted and the
850     following sentence is added at the end: "A water pressure booster pump may not be connected
851     to a public water main unless allowed by Utah Administrative Code, Rule R309-540."

852          (14) In IRC, Section 2903.5, at the beginning of the second sentence, insert "If
853     installed,".
854          (15) In IRC, Section P2903.9.3, the first sentence is deleted and replaced with the
855     following: "Unless the plumbing appliance or plumbing fixture has a wall-mount valve, shutoff
856     valves shall be required on each fixture supply pipe to each plumbing appliance and to each
857     plumbing fixture other than bathtubs and showers."
858          (16) IRC, Section P2910.5, is deleted and replaced with the following:
859          "P2910.5 Potable water connections.
860          A system that utilizes nonpotable water (i.e., pressurized irrigation) and installs a
861     connection to the potable water system for backup must install a Reduced Pressure Principle
862     Assembly (RP) directly downstream of the potable water connection (Stop and Waste) and
863     install a "dual source connection" directly downstream from the (RP) installed so that either the
864     potable water system or the nonpotable water is connected at any time to prevent a direct Cross
865     Connection and to protect the potable water from any potential hazard from the nonpotable
866     water system. See Utah Code Section 19-4-112. Note: RP must be tested within 10 days of
867     installation and annually whether the drinking water is used or not."
868          (17) IRC, Section P2910.9.5, is deleted and replaced with the following:
869          "P2910.9.5 Makeup water.
870          Where an uninterrupted nonpotable water supply is required for the intended
871     application, potable or reclaimed water shall be provided as a source of makeup water for the
872     storage tank. The makeup water supply shall be protected against backflow by means of an air
873     gap not less than 4 inches (102 millimeters) above the overflow or by a reduced pressure
874     backflow prevention assembly installed in accordance with Section 2902."
875          (18) In IRC, Section P2911.12.4, the following words are deleted: "and backwater
876     valves."
877          (19) In IRC, Section P2912.15.6, the following words are deleted: "and backwater
878     valves."
879          (20) In IRC, Section P3007.3.3.1, the words "stainless steel, cast iron, galvanized steel,
880     brass" are added after the word "PE."
881          (21) IRC, Section P3009, is deleted and replaced with the following:
882          "P3009 Graywater soil absorption systems: Graywater recycling systems utilized for

883     subsurface irrigation for single-family residences shall comply with the requirements of Utah
884     Administrative Code, R317-401, Graywater Systems. Graywater recycling systems utilized for
885     subsurface irrigation for other occupancies shall comply with Utah Administrative Code,
886     R317-3, Design Requirements for Wastewater Collection, Treatment, and Disposal Systems,
887     and Utah Administrative Code, R317-4, Onsite Wastewater Systems."
888          (22) In IRC, Section P3101.4, the following sentence is added at the end of the
889     paragraph: "Vents extending through the wall shall terminate not less than 12 inches from the
890     wall with an elbow pointing downward."
891          (23) In IRC, Section P3104.4, the following sentence is added at the end of the
892     paragraph: "Horizontal dry vents below the flood level rim shall be permitted for floor drain
893     and floor sink installations when installed below grade in accordance with Chapter 30, and
894     Sections P3104.2 and P3104.3. A wall cleanout shall be provided in the vertical vent."
895          (24) In IRC, Section E3401.2 the second sentence is modified by adding the words
896     "townhouses", after the word "dwellings" and the word "their" before the word "accessory" and
897     the following is added after "NFPA 70", "such as, but not limited to the following equipment:
898          (a) fixed outdoor electric deicing and snow-melting equipment;
899          (b) motors;
900          (c) generators;
901          (d) transformers;
902          (e) phase converters;
903          (f) stationary standby batteries;
904          (g) elevators;
905          (h) dumbwaiters;
906          (i) platform lifts;
907          (j) stairway chairlifts;
908          (k) electric vehicle power transfer systems;
909          (l) electric welders;
910          (m) audio signal processing, amplification, and reproduction equipment;
911          (n) information technology equipment;
912          (o) solar photovoltaic (PV) systems;
913          (p) optional standby systems;

914          (q) interconnected electric power production sources;
915          (r) energy storage systems; and
916          (s) energy management systems.
917          Section 8. Section 15A-3-206 is amended to read:
918          15A-3-206. Amendments to Chapters 36, 37, 39, and 44 and Appendix F of IRC.
919          (1) In IRC, Section E3601.6.2, a new exception is added as follows: "Exception: An
920     occupant of an accessory dwelling unit is not required to have access to the disconnect serving
921     the dwelling unit in which they reside."
922          (2) IRC, Section E3606.5, is deleted.
923          (3) IRC, Section E3901.4.2, is deleted and replaced with the following:
924          "E3901.4.2 Island and Peninsular Countertops and Work Spaces. Receptacle outlets, if
925     installed to serve an island or peninsular countertop or work surface, shall be installed in
926     accordance with E3901.4.3. If a receptacle outlet is not provided to serve an island or
927     peninsular countertop or work surface, provisions shall be provided at the island or peninsula
928     for future addition of a receptacle outlet to serve the island or peninsular countertop or work
929     surface.
930          (4) IRC, Section E3901.4.3, is deleted and replaced with the following:
931          "E3901.4.3 Receptacle Outlet Location. Receptacle outlets shall be located in one or
932     more of the following:
933          1. On or above, but not more than 20 inches (508 mm) above a countertop or work
934     surface.
935          2. In a countertop using receptacle outlet assemblies listed for use in countertops.
936          3. In a work surface using receptacle outlet assemblies listed for use in work surface or
937     listed for use in countertops.
938          Receptacle outlets rendered not readily accessible by appliances fastened in place,
939     appliance garages, sinks, or range tops as covered in the exception to Section E3901.4.1 or
940     appliances occupying assigned spaces shall not be considered as these required outlets.
941          4. Under the countertop not more than 14 inches from the bottom leading edge of the
942     countertop."
943          (5) In IRC, Section 3902.1, after the word "125-volt" add "single phase 15 and 20
944     ampere" and strike the words "through 250 volt."

945          (6) In IRC, Section 3902.2, after the word "125-volt" add "single phase 15 and 20
946     ampere" and strike the words "through 250 volt."
947          (7) In IRC, Section 3902.3, after the word "125-volt" add "single phase 15 and 20
948     ampere" and strike the words "through 250 volt."
949          (8) In IRC, Section 3902.4, after the word "125-volt" add "single phase 15 and 20
950     ampere" and strike the words "through 250 volt."
951          (9) In IRC, Section 3902.5, after the word "125-volt" add the words "single phase 15
952     and 20 ampere in unfinished portions of the basement shall have ground-fault
953     circuit-interrupter protection for personnel" and delete the rest of the section.
954          (10) In IRC, Section 3902.6, after the word "125-volt" add "single phase 15 and 20
955     ampere" and strike the words "through 250 volt."
956          (11) In IRC, Section 3902.7, after the word "125-volt" add "single phase 15 and 20
957     ampere" and strike the words "through 250 volt."
958          (12) In IRC, Section 3902.8, after the word "125-volt" add "single phase 15 and 20
959     ampere" and strike the words "through 250 volt."
960          (13) In IRC, Section 3902.9, after the word "125-volt" add "single phase 15 and 20
961     ampere" and strike the words "through 250 volt."
962          (14) IRC, Section 3902.10, is deleted.
963          (15) In IRC, Section 3902.12, after the word "125-volt" add "single phase 15 and 20
964     ampere" and strike the words "through 250 volt."
965          (16) In IRC, Section 3902.13, after the word "125-volt" add "single phase 15 and 20
966     ampere" and strike the words "through 250 volt."
967          (17) IRC, Section E3902.16 is deleted.
968          (18) IRC Section E3902.17 is deleted.
969          (19) IRC, Section E3902.18 is deleted.
970          (20) IRC, Chapter 44, is amended by deleting the standard for "ANCE."
971          (21) In IRC, Chapter 44, the standard for ASHRAE is amended by changing "34-2013"
972     to "34-2019."
973          (22) In IRC, Chapter 44, the standard for CSA, is amended by changing the:
974          (a) standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
975     60335-2-40-2019"; and

976          (b) title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
977     Requirements for Motor-Compressors" to "Standard for Household and Similar Electrical
978     Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air Conditioners and
979     Dehumidifiers-3rd Edition."
980          (23) In IRC, Chapter 44, the standard for UL, is amended by changing the:
981          (a) standard reference number "1995-2011" to "1995-2015";
982          (b) standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
983     60335-2-40-2019"; and
984          (c) title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
985     Requirements for Motor-Compressors" to "Standard for Household and Similar Electrical
986     Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air Conditioners and
987     Dehumidifiers-3rd Edition."
988          (24) In IRC, Chapter 44, the standard for ANSI/RESNET/ICC 201-2019 section 4.4.4
989     is added follows: "4.4.4. Air Source Heat Pumps and Air Conditioners. For Heat Pumps and
990     Air Conditioners with the more recent Manufacturers Equipment Performance Ratings (HSPF2
991     or SEER2) available, and HSPF and SEER are not available, these ratings shall be converted to
992     HSPF and SEER values by dividing HSPF2 or SEER2 by the conversion factors in Table
993     4.4.4.1(1). If the type of equipment is not determined, the conversion shall default to the
994     Ducted Split System factors. All calculations, including Equation 4.1-1a shall use HSPF or
995     SEER values as made available by the Manufacturer or converted as specified in this section.
996          (a) (i) (A) Table 4.4.4.1(1) SEER2 and HSPF2 Conversion Factors3.
997      Equipment TypeSEER2/SEEREER/EER4HSPF/HSPF
998      Ductless Systems1.001.000.90
999      Ducted Split System0.950.950.85
1000      Ducted Package
System
0.950.950.84
1001      Small Duct High
Velocity System
1.00not applicable0.85
1002      Ducted
Space-Constrained

Air Conditioner
0.97not applicablenot applicable
1003      Ducted
Space-Constrained

Heat Pump
not applicable0.85
1004          (25) IRC, Chapter 44, is amended by adding the following reference standard:
1005      "Standard reference
number
TitleReferenced in code
section number
1006      USC-FCCCHR 10th
Edition Manual of
Cross Connection
Control
Foundation for Cross-Connection
Control and Hydraulic Research
University of Southern California
Kaprielian Hall 300 Los Angeles CA
90089-2531
Table P2902.3"
1007          [(25)] (26) In IRC, Chapter 44, is amended by adding the following reference standard:
1008     "UL 9540-20: Energy Storage Systems and Equipment; R328.1, R328.2, and R328.6."
1009          [(26)] (27) (a) When passive radon controls or portions thereof are voluntarily
1010     installed, the voluntary installation shall comply with Appendix F of the IRC.
1011          (b) An additional inspection of a voluntary installation described in Subsection
1012     [(22)(a)] (27)(a) is not required.
1013          Section 9. Section 15A-3-401 is amended to read:
1014          15A-3-401. General provisions.
1015          (1) The amendments in this part are adopted as amendments to the IMC to be
1016     applicable statewide.
1017          (2) In IMC, Section 505.4, a new subsection 505.4.1 is added as follows: "505.4.1
1018     Makeup Air. Makeup air is not required in residential dwelling units where gas, liquid, or solid
1019     fuel-burning appliances located within a units air barrier are all direct-vent or use a mechanical
1020     draft venting system."
1021          (3) In IMC, Section 1004.2, the first sentence is deleted and replaced with the
1022     following: " In accordance with Title 34A, Chapter 7, Safety, and requirements made by rule by

1023     the Labor Commission, boilers and pressure vessels in Utah are regulated by the Utah Labor
1024     Commission, Division of Boiler, Elevator and Coal Mine Safety, except those located in
1025     private residences or in apartment houses of less than five family units. Boilers shall be
1026     installed in accordance with their listing and labeling, with minimum clearances as prescribed
1027     by the manufacturer's installation instructions and the state boiler code, whichever is greater."
1028          [(3)] (4) In IMC, Section 1004.3.1, the word "unlisted" is inserted before the word
1029     "boilers".
1030          [(4)] (5) In IMC, Section 1209.3, the following words are added at the end of the
1031     section: "or other methods approved for the application."
1032          Section 10. Section 15A-3-701 is amended to read:
1033          15A-3-701. General provisions.
1034          The following is adopted as an amendment to the IECC to be applicable statewide:
1035          (1) IECC, Section C405.11, is deleted and replaced with the following: "C405.11
1036     Automatic receptacle control. Automatic receptacle control to be optional and decided by
1037     property owner."
1038          (2) In IECC, Section R102.1.1, a new section R102.1.1 is added as follows: "R102.1.1
1039     National Green Building Standard complying with ICC 700-2020 National Green Building
1040     Standard and achieving the Gold rating level for the energy efficiency category shall be deemed
1041     to exceed the energy efficiency required by this code. The building shall also meet the
1042     requirements identified in table N1105.2 and the building thermal envelope efficiency is
1043     greater than or equal to levels of efficiency and solar heat gain coefficients (SHGC) in Tables
1044     N1102.2.2 and N1102.1.3 of the 2009 IRC."
1045          [(2)] (3) In IECC, Section R103.2, all words after the words "herein governed." are
1046     deleted and replaced with the following: "Construction documents include all documentation
1047     required [to be submitted in order to issue a building permit."] for building permits shall
1048     include only those items specified in 10-5-132(8) of the Utah Municipal Code."
1049          [(3)] (4) In IECC, Section R303.1.3 the following changes are made:
1050          (a) The following is added at the end of the first sentence "or EN
1051     14351-1:2006+A1:2010."
1052          (b) The word "accredited" is replaced with "approved" in the third sentence.
1053          (c) The following sentence is added after the third sentence: "A conversion factor of

1054     5.678 shall be used to convert from U values expressed in SI units: ()/53678=."
1055          (d) After "NFRC 200" the following words are added: "or EN
1056     14351-1:2006+A1:2010", and in the sentence the word "accredited" is replaced with the word
1057     "approved".
1058          (e) The following new sentence shall be inserted immediately prior to the last sentence:
1059     "Total Energy Transmittance values may be substituted for SHGC, and Luminous
1060     Transmission values may be substituted for VT."
1061          (5) In IECC, Section R303.3, all wording after the first sentence is deleted.
1062          [(4)] (6) In IECC, Section R401.2, [a new number 4 is added as follows:] in the first
1063     sentence, the words "Section R401.13.5 and" are deleted.
1064          ["4. Compliance may be shown by demonstrating a result, using the software
1065     RESCheck 2012 Utah Energy Conservation Code, of:]
1066          [(a) on or after January 1, 2017, and before January 1, 2019, "3 percent better than
1067     code";]
1068          [(b) on or after January 1, 2019, and before January 1, 2021, "4 percent better than
1069     code"; and]
1070          [(c) after January 1, 2021, "5 percent better than code"."]
1071          [(5) In IECC, Table R402.2, in the column entitled MASS WALL R-VALUE, a new
1072     footnote j is added as follows:]
1073          ["j. Log walls complying with ICC400 and with a minimum average wall thickness of 5
1074     inches or greater shall be permitted in Zones 5 through 8 when overall window glazing has a
1075     .31 U-factor or lower, minimum heating equipment efficiency is, for gas, 90 AFUE, or, for oil,
1076     84 AFUE, and all other component requirements are met."]
1077          (7) In IECC, Section R401.2.5 is deleted.
1078          (8) In IECC, Section R401.3 Number 7, the words "and the compliance path used" are
1079     deleted.
1080          (9) In IECC Table R402.1.2, the following changes are made:
1081          (a) in the column titled "Fenestration U-Factor" the following changes are made:
1082          (i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;
1083          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with
1084     0.32; and

1085          (iii) in the row titled "Climate Zone 6" delete 0.30 and replace it with 0.32;
1086          (b) in the column titled "Glazed Fenestration SHGC", the following change is made: in
1087     the row titled "Climate Zone 3" delete 0.25 and replace it with 0.35;
1088          (c) in the column titled "Climate U-Factor" the following changes are made:
1089          (i) in the row titled "Climate Zone 3" delete 0.026 and replace it with 0.033;
1090          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.024 and replace it with
1091     0.030; and
1092          (iii) in the row titled "Climate Zone 6" delete 0.024 and replace it with 0.030;
1093          (d) in the column titled "Wood Frame Wall U Factor", the following changes are made:
1094          (i) in the row titled "Climate Zone 3" delete 0.060 and replace it with 0.065;
1095          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.045 and replace it with
1096     0.065; and
1097          (iii) in the row titled "Climate Zone 6" delete 0.045 and replace it with 0.065;
1098          (e) in the column titled "Basement wall U-Factor" the following changes are made:
1099          (i) in the row titled "Climate Zone 5 and Marine 4" delete 0.050 and replace it with
1100     0.075; and
1101          (ii) in the row titled "Climate Zone 6" delete 0.50 and replace it with0.065; and
1102          (f) in the column titled "Crawl Space Wall U-Factor" the following changes are made:
1103          (i) in the row titled "Climate Zone 5 and Marine 4" delete 0.055 and replace it with
1104     0.078; and
1105          (ii) in the row titled Climate Zone 6 delete 0.55 and replace it with 0.065.
1106          (10) In IECC, Table R402.1.3 the following changes are made:
1107          (a) in the column titled "Fenestration U-Factor" the following changes are made:
1108          (i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;
1109          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with
1110     0.32; and
1111          (iii) in the row titled "Climate Zone 6" delete 0.30 and replace it with 0.32;
1112          (b) in the column titled "Glazed Fenestration" SHGC the following change is made: in
1113     the row titled Climate Zone 3" deleted 0.25 and replace it with 0.35;
1114          (c) in the Column R-Value the following changes are made:
1115          (i) in the row titled "Climate Zone 3" delete 49 and replace it with 32;

1116          (ii) in the row titled "Climate Zone 5 and Marine 4" delete 60 and replace it with 38;
1117     and
1118          (iii) in the row titled "Climate Zone 6" delete 60 and replace it with 38;
1119          (d) in the Column titled "Wood Frame Wall R-Value" the following changes are made:
1120          (i) in the row titled "Climate Zone 3" delete all values and replace with "19+ Oci or
1121     11+5ci or 0+15ci";
1122          (ii) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
1123     19+Oci or 13+5ci or 0+15ci"; and
1124          (iii) in the row titled Climate Zone 6 delete all values and replace with "19+Oci or
1125     "13+5ci or 0+15ci";
1126          (e) in the column titled "Basement Wall R Value" the following changes are made:
1127          (i) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
1128     "15+Oci or 0+11ci or 11+5ci"; and
1129          (ii) in the row titled Climate Zone 6 delete all values and replace with "19+Oci or
1130     0+13ci or 11+5ci";
1131          (f) in the column titled "Slab R Value and Depth" the following changes are made:
1132          (i) in the row titled "Climate Zone 3" delete "10ci. 2ft" and replace it with "NR"; and
1133          (ii) in the row titled "Climate Zone 5 & Marine 4" delete "4 ft" and replace it with "2
1134     ft";
1135          (g) in the column titled "Crawl Space Wall R-Value" the following changes are made:
1136          (i) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with
1137     "15+ Oci or 0 + 11ci or 11 +5ci"; and
1138          (ii) in the row titled Climate Zone 6 delete all values and replace with "19 + Oci or 0 +
1139     13ci or 0 + 11 + 5 ci"; and
1140          (h) in IECC, Table R402.2, in the column titled "MASS WALL R-VALUE", a new
1141     footnote "j" is added as follows: "j Log walls complying with ICC400 and with a minimum
1142     average wall thickness of 5 inches or greater shall be permitted in "Zones 5 through 8" when
1143     overall window glazing has a .31 U-factor or lower, minimum heating equipment efficiency is
1144     90 AFUE (gas) or 84 AFUE (oil), and all other component requirements are met."
1145          [(6)] (11) In IECC, a new subsection R402.1.5.1 is added as follows: "R402.1.5.1
1146     RESCheck 2012 Utah Energy Conservation Code. Compliance with section N1102.1.5

1147     (R402.1.5) may be satisfied using the software RESCheck 2012 Utah Energy Conservation
1148     Code, which shall satisfy the R-value and U-factor requirements of N1102.1, N1102.2, and
1149     N1102.3, provided the following conditions are met:
1150          (a) In Climate Zone 5 and 6 the software result shall show 5% better than code; and
1151          (b) In Climate Zone 3, the software result shall show 5% better than code when
1152     software inputs for window U-factor = 0.65 and window SHGC = 0.40, notwithstanding actual
1153     windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and
1154     N1102.1.3 (R402.1.3)."
1155          (12) In IECC, Section R402.2.1, a new section is added as follows: "R402.2.1.1.
1156     Unvented attic and unvented enclosed rafter assemblies. Unvented attic and unvented enclosed
1157     rafter assemblies conforming to Section R806.5 shall be provided with an R-value of R-22
1158     (maximum U-Factor of 0.045) in Climate Zone 3-B or an R-value of R-26 (maximum U-factor
1159     of 0.038) in Climate Zones 5-B and 6-B shall be permitted provided all the following
1160     conditions are met:
1161          1. The unvented attic assembly complies with the requirements of the International
1162     Residential Code, Section R806.5.
1163          2. The house shall attain a blower door test result < 2.5ACH 50.
1164          3. The house shall require a whole house mechanical ventilation system that does not
1165     rely solely on a negative pressure strategy (must be positive, balanced or hybrid).
1166          4. Where insulation is installed below the roof deck and the exposed portion of roof
1167     rafters are not already covered by the R-20 depth of the air-impermeable insulation, the
1168     exposed portion of the roof rafters shall be wrapped (covered) by minimum R-3 unless directly
1169     covered by drywall/finished ceiling. Roof rafters are not required to be covered by minimum
1170     R-3 if a continuous insulation is installed above the roof deck."
1171          5. Indoor heating, cooling and ventilation equipment (including ductwork) shall be
1172     inside the building thermal envelope.
1173          [(7)] (13) A new IECC, Section R402.2.1.3 is added as follows: "R402.2.1.3 Walls
1174     with Air-Impermeable Insulation. Where IECC Table R402.1.2 requires R-20 for wood framed
1175     walls in climate zones 3-B and 5-B or R-20+5CI for climate zone 6-B, an air-impermeable
1176     insulation installed in the wall cavity with R-value of R-15 for climate zones 3-B and 5-B or
1177     R-20 for climate zone 6-B shall be deemed equivalent to the provisions in IECC Table

1178     R402.1.2, provided the home attains a blower door test < 2.5ACH."
1179          (14) In IECC, Section R402.2.9.1 the numeral "(i)" is added before the words "cut at a
1180     45 degree" and the following is added after the words "exterior wall:": "or (ii) lowered from
1181     top of slab 4" when a 4" thermal break material such as, but not limited to, felt or asphalt
1182     impregnated fiber board, with a minimum thickness of 1/4" is installed at the upper 4" of slab."
1183          (15) In IECC, Section R402.4.1, in the first sentence, the word "and" is deleted and
1184     replaced with the word "or".
1185          [(8)] (16) In IECC, Section R402.4.1.1, the [last sentence is] second and the last
1186     sentences are deleted and replaced with the following: "Where [allowed] required by the code
1187     official, the builder [may] shall certify compliance [to components criteria for items which may
1188     not be inspected during regularly scheduled inspections] with criteria indicated in Table
1189     R1102.4.1 for items which are not readily visible during regularly scheduled inspections."
1190          [(9)] (17) In IECC, Table R402.4.1.1 in the column titled "COMPONENT", the
1191     following changes are made:
1192          (a) In the row "Rim Joists" the word "exterior" in the first sentence is deleted, and the
1193     second sentence is deleted.
1194          (b) In the row "Electrical/phone box on the exterior walls" the last sentence is deleted
1195     and replaced with: "Alternatively, close cell foam, caulking or gaskets may be used, or air
1196     sealed boxes may be installed."
1197          (18) In IECC, Section R402.4.1.2, the following changes are made:
1198          (a) In the [first] fourth sentence[:], the word "third" is deleted.
1199          [(i) "The building or dwelling unit" is deleted and replaced with "A single-family
1200     dwelling";]
1201          [(ii) after January 1, 2019, replace the word "five" with "3.5"; and]
1202          [(iii) the words "in Climate Zones 1 and 2, and three air changes per hour in Climate
1203     Zones 3 through 8" are deleted.]
1204          (b) The following sentence is [inserted after the first sentence: "A multi-family
1205     dwelling and townhouse shall be tested and verified as having an air leakage rate of not
1206     exceeding five air changes per hour."] added after the fourth sentence:
1207          [(c) In the third sentence, the word "third" is deleted.]
1208          [(d) The following sentence is inserted after the third sentence:] "The following parties

1209     shall be approved to conduct testing: Parties certified by BPI or RESNET, or licensed
1210     contractors who have completed training provided by Blower Door Test equipment
1211     manufacturers or other comparable training."
1212          (c) In the first Exception the second sentence is deleted.
1213          [(10) In IECC, Section R403.3.3, the exception for duct air leakage testing is deleted
1214     and replaced with the following:]
1215          [(a) on or after January 1, 2017, and before January 1, 2019, with the following:
1216     "Exception: The total leakage test is not required for systems with all air handlers and at least
1217     65% of all ducts (measured by length) located entirely within the building thermal envelope.";]
1218          [(b) on or after January 1, 2019, and before January 1, 2021, with the following:
1219     "Exception: The duct air leakage test is not required for systems with all air handlers and at
1220     least 75% of all ducts (measured by length) located entirely within the building thermal
1221     envelope."; and]
1222          [(c) on or after January 1, 2021, with the following: "Exception: The duct air leakage
1223     test is not required for systems with all air handlers and at least 80% of all ducts (measured by
1224     length) located entirely within the building thermal envelope."]
1225          [(11) In IECC, Section R403.3.3, the following is added after the exception:]
1226          ["The following parties shall be approved to conduct testing:]
1227          [1. Parties certified by BPI or RESNET.]
1228          [2. Licensed contractors who have completed training provided by Duct Test equipment
1229     manufacturers or other comparable training."]
1230          [(12) In IECC, Section R403.3.4:]
1231          [(a) in Subsection 1, the number 4 is changed to 8, the number 113.3 is changed to 170,
1232     the number 3 is changed to 6, and the number 85 is changed to 114.6; and]
1233          [(b) in Subsection 2:]
1234          [(i) on or after January 1, 2017, and before January 1, 2019, the number 4 is changed to
1235     8 and the number 113.3 is changed to 226.5;]
1236          [(ii) on or after January 1, 2019, and before January 1, 2021, the number 4 is changed
1237     to 7 and the number 113.3 is changed to 198.2; and]
1238          [(iii) on or after January 1, 2021, the number 4 is changed to 6 and the number 113.3 is
1239     changed to 169.9.]

1240          (19) In IECC, Section R402.4.1.3 the following changes are made:
1241          (a) in the first sentence, the words 5.0 air changes per hour in Climate Zones 0, 1 and 2,
1242     and 3.0 are deleted and replaced with 4.0., and the words in Climate Zone 3 through 8 are
1243     deleted;
1244          (b) in the first sentence of the Exception, 0.28 is replaced with 5.0 air changes per hour
1245     or 0.30; and
1246          (c) in Number 2 the words of "conditioned floor area" are inserted before the words "or
1247     smaller."
1248          (20) IECC, Section R402.6 is deleted.
1249          (21) In IECC, Section R403.3.1 is deleted and replaced with the following: "Ducts
1250     located outside conditioned space. Supply and return ducts in attics shall be insulated to a
1251     minimum of R-8 where 3 inches (76.2 mm) in diameter and greater and R-6 where less than 3
1252     inches (76.2 mm) in diameter. Supply and return ducts in other portions of the building shall be
1253     insulated to a minimum of R-6 where 3 inches (76.2 mm) in diameter or greater and R-4.2
1254     where less than 3 inches (76.2 mm) in diameter. Exception: Ducts or portions thereof located
1255     completely inside the building thermal envelope."
1256          (22) In IECC, Section R403.3.3, is deleted.
1257          (23) In IECC, Section R403.3.3.1 is deleted.
1258          [(13)] (24) In IECC, Section R403.3.5, the [words "or plenums" are deleted.] following
1259     changes are made:
1260          (a) A second Exception is added as follows: "A duct leakage test shall not be required
1261     for any system designed such that no air handlers or ducts are located within unconditioned
1262     attics."
1263          (b) The following is added at the end of the section: "The following parties shall be
1264     approved to conduct testing:
1265          (i) Parties certified by BPT or RESNET
1266          (ii) Licensed contractors who have completed training provided by Duct Test
1267     equipment manufacturers or other comparable training."
1268          [(14) In IECC, Section R403.5.3, Subsection 5 is deleted and Subsections 6 and 7 are
1269     renumbered.]
1270          (25) In IECC, Section N1103.3.6 (R403.3.6) the following changes are made:

1271          (a) in Subsection 1:
1272          (i) the number 4.0 is changed to 6.0;
1273          (ii) the number 113.3 is changed to 170;
1274          (iii) the number 3.0 is changed to 5.0; and
1275          (iv) the number 85 is changed to 141;
1276          (b) in Subsection 2:
1277          (i) the number 4.0 is changed to 5.0; and
1278          (ii) the number113.3 is changed to 141; and
1279          (c) Subsection 3 is deleted.
1280          (26) In IECC, Section N1103.3.7 (R403.3.7) the words "or plenums" are deleted.
1281          (27) In IECC, Section N1103.5.1.1 (R403.5.1.1) the words "Where installed" are added
1282     at the beginning of the first sentence.
1283          [(15)] (28) IECC, Section [R403.6.1] R403.6.2, is deleted and replaced with the
1284     following: ["R403.6.1] "R403.6.2 Whole-house mechanical ventilation system fan efficacy.
1285     Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements
1286     of Table [R403.6.1] R403.6.2."
1287          "Exception: Where an air handler that is integral to tested and listed HVAC equipment
1288     is used to provide whole-house mechanical ventilation, the air handler shall be powered by an
1289     electronically commutated motor."
1290          [(16)] (29) In IECC, Section [R403.6.1] R403.6.2, the table is deleted and replaced
1291     with the following:
1292          "TABLE [R403.6.1] R403.6.2"
1293          "MECHANICAL VENTILATION SYSTEM FAN EFFICACY"
1294     
FAN LOCATION
AIR FLOW RATE
MINIMUM (CFM)
MINIMUM
EFFICACY
(CFM/WATT)
AIR FLOW RATE
MAXIMUM (CFM)
1295     
HRV or ERV
Any
1.2 cfm/watt
Any
1296     
Range hoods
Any
2.8 cfm/watt
Any
1297     
In-line fan
Any
2.8 cfm/watt
Any
1298      Bathroom, utility room
10
1.4 cfm/watt
<90
1299      Bathroom, utility room
90
2.8 cfm/watt
Any"
1300          [(17) In IECC, Section R406.5, the table is deleted and replaced with the following:]
1301          ["TABLE R406.5]
1302          [MAXIMUM ENERGY RATING INDEX]
1303     
[CLIMATE ZONE]
[ENERGY RATING INDEX]
1304     
[3]
[65]
1305     
[5]
[69]
1306     
[6]
[68"]
1307          [(18)] (30) IECC, Section R403.6.3 is deleted
1308          (31) In IECC, Section R403.7 the word "approved" is deleted in the first sentence and
1309     the following is added after the word "methodologies": "complying with R403.7.1."
1310          (32) A new IECC, Section R403.7.1, is added as follows: "R403.7.1 Qualifications. An
1311     individual performing load calculations shall be qualified by completing HVAC training from
1312     one of the following:
1313          1. HVAC load calculation education from ACCA;
1314          2. A recognized educational institution;
1315          3. HVAC equipment manufacturer's training; or
1316          4. Other recognized industry certification."
1317          (33) In IECC, Section R404.1, the word "All" is replaced with "Not less than 90
1318     percent of the lamps in."
1319          (34) IECC, Section R404.1.1 is deleted.
1320          (35) IECC, Section R404.2is deleted.
1321          (36) IECC, Section R404.3 is deleted.
1322          (37) In IECC, Section R405.2 the following changes are made:
1323          (a) in Subsection 3 the words "approved by the code official" are deleted; and
1324          (b) in Subsection 3 the following words are added at the end of the sentence: "when
1325     applicable and readily available."
1326          (38) in IECC, Section R406.3 "Building thermal envelope" is deleted, and replaced
1327     with the following: "Building thermal envelope and on-site renewables. The proposed total
1328     building thermal envelope UA, which is the sum of U-factor times assembly area, shall be less

1329     than or equal to the building thermal envelope UA using the prescriptive U-factors From Table
1330     N1102.1.2 multiplied by 1.15 in accordance with Equation 11-4. The area-weighted maximum
1331     fenestration SHGC permitted in Climate Zones 0 through 3 shall be 0.30.UAProposed design =
1332     1.15 x UAPrescriptive reference design (Equation 11-4) "
1333          (39) in IECC, Section R406.3.1 is deleted.
1334          (40) in IECC, Section R403.3.2 is deleted.
1335          (41) in IECC, Section R406.4 the following changes are made:
1336          (a) in the first sentence, the words "in accordance with Equation 11-5" are deleted and
1337     replaced with: "permitted to be calculated using the minimum total air exchange Rate for the
1338     rated home (Qtot) and for the index adjustment factor in accordance with Equation 11.5.";
1339          (b) in equation 11-5, the words "Ventilation rate, CFM" are deleted and replaced with:
1340     "Qtot"; and
1341          (c) in the last sentence the number "5" is deleted and replaced with "15".
1342          (42) In IECC, Section R406.5 in the column titled ENERGY RATING INDEX of
1343     Table R406.5, the following changes are made:
1344          (a) in the row for Climate Zone 3, "51" is deleted and replaced with "65";
1345          (b) in the row for Climate Zone 5, "55" is deleted and replaced with "69"; and
1346          (c) in the row for Climate Zone 6 "54" is deleted and replaced with "68".
1347          (43) In IECC, Section R408 is deleted.
1348          (44) In IECC, Chapter 6, the standard for ANSI/RESNET/ICC 201-2019 section 4.4.4
1349     is added as follows: "4.4.4. Air Source Heat Pumps and Air Conditioners. For Heat Pumps and
1350     Air Conditioners with the more recent Manufacturers Equipment Performance Ratings (HSPF2
1351     or SEER2) available, and HSPF and SEER are not available, these ratings shall be converted to
1352     HSPF and SEER values by dividing HSPF2 or SEER2 by the conversion factors in Table
1353     4.4.4.1(1). If the type of equipment is not determined, the conversion shall default to the
1354     Ducted Split System factors. All calculations, including Equation 4.1-1a shall use HSPF or
1355     SEER values as made available by the Manufacturer or converted as specified in this section.
1356     Table 4.4.4.1(1) SEER2 and HSPF2 Conversion "
1357      Equipment TypeSEER2/SEEREER2/EER4HSPF2/HSPF
1358      Ductless Systems1.001.000.90
1359      Ducted Split System0.950.950.85
1360      Ducted Packaged
System
0.950.950.84
1361      Small Duct High
Velocity System
1.00Not Applicable0.85
1362      Ducted
Space-Constrained

Air Conditioner
0.97Not ApplicableNot Applicable
1363      Ducted
Space-Constrained

Heat Pump
0.99Not Applicable0.85"

1364          Section 11. Section 15A-3-801 is amended to read:
1365          15A-3-801. General provisions.
1366          The following are adopted as amendments to the IEBC and are applicable statewide:
1367          (1) In IEBC, Section 202, the definition for "Approved" is modified by adding the
1368     words "or independent third-party licensed engineer or architect and submitted to the building
1369     official after the word official."
1370          (2) In Section 202, the following definition is added: "BUILDING OFFICIAL. See
1371     Code Official."
1372          [(2)] (3) In Section 202, the definition for "code official" is deleted and replaced with
1373     the following:
1374          "CODE OFFICIAL. The officer or other designated authority having jurisdiction
1375     (AHJ) charged with the administration and enforcement of this code."
1376          [(3)] (4) In Section 202, the definition for existing buildings is deleted and replaced
1377     with the following:
1378          "EXISTING BUILDING. A building that is not a dangerous building and that was
1379     either lawfully erected under a prior adopted code, or deemed a legal non-conforming building
1380     by the code official."
1381          [(4)] (5) In IEBC, Section 302.3 the following is added after the words "code official"
1382     in the last sentence: "or independent third-party licensed engineer or architect and submitted to

1383     the building official."
1384          (6) In Section 301.3, the exception is deleted.
1385          [(5)] (7) In Section 305.4.2, number 7 is added after number 6 as follows: "7. When a
1386     change of occupancy in a building or portion of a building results in a Group R-2 occupancy,
1387     not less than 20% of the dwelling or sleeping units shall be Type-B dwelling or sleeping units.
1388     These dwelling or sleeping units may be located on any floor of the building provided with an
1389     accessible route. Two percent, but not less than one unit, of the dwelling or sleeping units shall
1390     be Type-A dwelling units."
1391          [(6)] (8) Section 503.6 is deleted and replaced with the following:
1392          "503.6 Bracing for unreinforced masonry parapets and other appendages upon
1393     reroofing.
1394          Where the intended alteration requires a permit for reroofing and involves removal of
1395     roofing materials from more than 25% of the roof area of a building assigned to Seismic
1396     Design Category D, E, or F that has parapets constructed of unreinforced masonry or
1397     appendages such as cornices, spires, towers, tanks, signs, statuary, etc., the work shall include
1398     installation of bracing to resist out-of-plane seismic forces, unless an evaluation demonstrates
1399     compliance of such items. Reduced seismic forces are permitted for design purposes."
1400          [(7)] (9) In Section 705.1, Exception number 3, the following is added at the end of the
1401     exception:
1402          "This exception does not apply if the existing facility is undergoing a change of
1403     occupancy classification."
1404          [(8)] (10) Section 706.3.1 is deleted and replaced with the following:
1405          "706.3.1 Bracing for unreinforced masonry bearing wall parapets and other appendages.
1406          Where a permit is issued for reroofing more than 25 percent of the roof area of a
1407     building assigned to Seismic Design Category D, E, or F that has parapets constructed of
1408     unreinforced masonry or appendages such as cornices, spires, towers, tanks, signs, statuary,
1409     etc., the work shall include installation of bracing to resist the reduced International Building
1410     Code level seismic forces as specified in Section 303 of this code unless an evaluation
1411     demonstrates compliance of such items."
1412          [(9)] (11) Section 906.6 is deleted and replaced with the following:
1413          "906.6 Bracing for unreinforced masonry parapets and other appendages upon

1414     reroofing.
1415          Where the intended alteration requires a permit for reroofing and involves removal of
1416     roofing materials from more than 25% of the roof area of a building assigned to Seismic
1417     Design Category D, E, or F that has parapets constructed of unreinforced masonry or
1418     appendages such as cornices, spires, towers, tanks, signs, statuary, etc., the work shall include
1419     installation of bracing to resist out-of-plane seismic forces, unless an evaluation demonstrates
1420     compliance with such items. Reduced seismic forces are permitted for design purposes."
1421          [(10)] (12) (a) Section 1006.3 is deleted and replaced with the following:
1422          "1006.3 Seismic Loads. Where a change of occupancy results in a building being
1423     assigned to a higher risk category, or when a change of occupancy results in a design occupant
1424     load increase of 100% or more, the building shall satisfy the requirements of Section 1613 of
1425     the International Building Code using full seismic forces."
1426          (b) Section 1006.3, exceptions 1 through 3 remain unchanged.
1427          (c) In Section 1006.3, add a new exception 5 as follows:
1428          "5. Where the design occupant load increase is less than 25 occupants and the
1429     occupancy category does not change."
1430          [(11)] (13) In Section [1012.7.3] 1011.7.3, exception 2 is deleted.
1431          Section 12. Section 58-55-102 is amended to read:
1432          58-55-102. Definitions.
1433          In addition to the definitions in Section 58-1-102, as used in this chapter:
1434          (1) (a) "Alarm business" or "alarm company" means a person engaged in the sale,
1435     installation, maintenance, alteration, repair, replacement, servicing, or monitoring of an alarm
1436     system, except as provided in Subsection (1)(b).
1437          (b) "Alarm business" or "alarm company" does not include:
1438          (i) a person engaged in the manufacture or sale of alarm systems unless:
1439          (A) that person is also engaged in the installation, maintenance, alteration, repair,
1440     replacement, servicing, or monitoring of alarm systems;
1441          (B) the manufacture or sale occurs at a location other than a place of business
1442     established by the person engaged in the manufacture or sale; or
1443          (C) the manufacture or sale involves site visits at the place or intended place of
1444     installation of an alarm system; or

1445          (ii) an owner of an alarm system, or an employee of the owner of an alarm system who
1446     is engaged in installation, maintenance, alteration, repair, replacement, servicing, or monitoring
1447     of the alarm system owned by that owner.
1448          (2) "Alarm company agent":
1449          (a) except as provided in Subsection (2)(b), means any individual employed within this
1450     state by an alarm business; and
1451          (b) does not include an individual who:
1452          (i) is not engaged in the sale, installation, maintenance, alteration, repair, replacement,
1453     servicing, or monitoring of an alarm system; and
1454          (ii) does not, during the normal course of the individual's employment with an alarm
1455     business, use or have access to sensitive alarm system information.
1456          (3) "Alarm company officer" means:
1457          (a) a governing person, as defined in Section 48-3a-102, of an alarm company;
1458          (b) an individual appointed as an officer of an alarm company that is a corporation in
1459     accordance with Section 16-10a-830;
1460          (c) a general partner, as defined in Section 48-2e-102, of an alarm company; or
1461          (d) a partner, as defined in Section 48-1d-102, of an alarm company.
1462          (4) "Alarm company owner" means:
1463          (a) a shareholder, as defined in Section 16-10a-102, who owns directly, or indirectly
1464     through an entity controlled by the individual, 5% or more of the outstanding shares of an
1465     alarm company that:
1466          (i) is a corporation; and
1467          (ii) is not publicly listed or traded; or
1468          (b) an individual who owns directly, or indirectly through an entity controlled by the
1469     individual, 5% or more of the equity of an alarm company that is not a corporation.
1470          (5) "Alarm company proprietor" means the sole proprietor of an alarm company that is
1471     registered as a sole proprietorship with the Division of Corporations and Commercial Code.
1472          (6) "Alarm company trustee" means an individual with control of or power of
1473     administration over property held in trust.
1474          (7) (a) "Alarm system" means equipment and devices assembled for the purpose of:
1475          (i) detecting and signaling unauthorized intrusion or entry into or onto certain

1476     premises; or
1477          (ii) signaling a robbery or attempted robbery on protected premises.
1478          (b) "Alarm system" includes a battery-charged suspended-wire system or fence that is
1479     part of and interfaces with an alarm system for the purposes of detecting and deterring
1480     unauthorized intrusion or entry into or onto certain premises.
1481          (8) "Apprentice electrician" means a person licensed under this chapter as an
1482     apprentice electrician who is learning the electrical trade under the immediate supervision of a
1483     master electrician, residential master electrician, a journeyman electrician, or a residential
1484     journeyman electrician.
1485          (9) "Apprentice plumber" means a person licensed under this chapter as an apprentice
1486     plumber who is learning the plumbing trade under the immediate supervision of a master
1487     plumber, residential master plumber, journeyman plumber, or a residential journeyman
1488     plumber.
1489          (10) "Approved continuing education" means instruction provided through courses
1490     under a program established under Subsection 58-55-302.5(2).
1491          (11) (a) "Approved prelicensure course provider" means a provider that is the
1492     Associated General Contractors of Utah, the Utah Chapter of the Associated Builders and
1493     Contractors, or the Utah Home Builders Association, and that meets the requirements
1494     established by rule by the commission with the concurrence of the director, to teach the
1495     25-hour course described in Subsection 58-55-302(1)(e)(iii).
1496          (b) "Approved prelicensure course provider" may only include a provider that, in
1497     addition to any other locations, offers the 25-hour course described in Subsection
1498     58-55-302(1)(e)(iii) at least six times each year in one or more counties other than Salt Lake
1499     County, Utah County, Davis County, or Weber County.
1500          (12) "Board" means the Electrician Licensing Board, Alarm System Security and
1501     Licensing Board, or Plumbers Licensing Board created in Section 58-55-201.
1502          (13) "Combustion system" means an assembly consisting of:
1503          (a) piping and components with a means for conveying, either continuously or
1504     intermittently, natural gas from the outlet of the natural gas provider's meter to the burner of the
1505     appliance;
1506          (b) the electric control and combustion air supply and venting systems, including air

1507     ducts; and
1508          (c) components intended to achieve control of quantity, flow, and pressure.
1509          (14) "Commission" means the Construction Services Commission created under
1510     Section 58-55-103.
1511          (15) "Construction trade" means any trade or occupation involving:
1512          (a) (i) construction, alteration, remodeling, repairing, wrecking or demolition, addition
1513     to, or improvement of any building, highway, road, railroad, dam, bridge, structure, excavation
1514     or other project, development, or improvement to other than personal property; and
1515          (ii) constructing, remodeling, or repairing a manufactured home or mobile home as
1516     defined in Section 15A-1-302; or
1517          (b) installation or repair of a residential or commercial natural gas appliance or
1518     combustion system.
1519          (16) "Construction trades instructor" means a person licensed under this chapter to
1520     teach one or more construction trades in both a classroom and project environment, where a
1521     project is intended for sale to or use by the public and is completed under the direction of the
1522     instructor, who has no economic interest in the project.
1523          (17) (a) "Contractor" means any person who for compensation other than wages as an
1524     employee undertakes any work in the construction, plumbing, or electrical trade for which
1525     licensure is required under this chapter and includes:
1526          (i) a person who builds any structure on the person's own property for the purpose of
1527     sale or who builds any structure intended for public use on the person's own property;
1528          (ii) any person who represents that the person is a contractor, or will perform a service
1529     described in this Subsection (17) by advertising on a website or social media, or any other
1530     means;
1531          (iii) any person engaged as a maintenance person, other than an employee, who
1532     regularly engages in activities set forth under the definition of "construction trade";
1533          (iv) any person engaged in, or offering to engage in, any construction trade for which
1534     licensure is required under this chapter; or
1535          (v) a construction manager, construction consultant, construction assistant, or any other
1536     person who, for a fee:
1537          (A) performs or offers to perform construction consulting;

1538          (B) performs or offers to perform management of construction subcontractors;
1539          (C) provides or offers to provide a list of subcontractors or suppliers; or
1540          (D) provides or offers to provide management or counseling services on a construction
1541     project.
1542          (b) "Contractor" does not include:
1543          (i) an alarm company or alarm company agent; or
1544          (ii) a material supplier who provides consulting to customers regarding the design and
1545     installation of the material supplier's products.
1546          (18) (a) "Electrical trade" means the performance of any electrical work involved in the
1547     installation, construction, alteration, change, repair, removal, or maintenance of facilities,
1548     buildings, or appendages or appurtenances.
1549          (b) "Electrical trade" does not include:
1550          (i) transporting or handling electrical materials;
1551          (ii) preparing clearance for raceways for wiring;
1552          (iii) work commonly done by unskilled labor on any installations under the exclusive
1553     control of electrical utilities;
1554          (iv) work involving cable-type wiring that does not pose a shock or fire-initiation
1555     hazard; or
1556          (v) work involving class two or class three power-limited circuits as defined in the
1557     National Electrical Code.
1558          (19) "Elevator" means the same as that term is defined in Section 34A-7-202, except
1559     that for purposes of this chapter it does not mean a stair chair, a vertical platform lift, or an
1560     incline platform lift.
1561          (20) "Elevator contractor" means a sole proprietor, firm, or corporation licensed under
1562     this chapter that is engaged in the business of erecting, constructing, installing, altering,
1563     servicing, repairing, or maintaining an elevator.
1564          (21) "Elevator mechanic" means an individual who is licensed under this chapter as an
1565     elevator mechanic and who is engaged in erecting, constructing, installing, altering, servicing,
1566     repairing, or maintaining an elevator under the immediate supervision of an elevator contractor.
1567          (22) "Employee" means an individual as defined by the division by rule giving
1568     consideration to the definition adopted by the Internal Revenue Service and the Department of

1569     Workforce Services.
1570          (23) "Engage in a construction trade" means to:
1571          (a) engage in, represent oneself to be engaged in, or advertise oneself as being engaged
1572     in a construction trade; or
1573          (b) use the name "contractor" or "builder" or in any other way lead a reasonable person
1574     to believe one is or will act as a contractor.
1575          (24) (a) "Financial responsibility" means a demonstration of a current and expected
1576     future condition of financial solvency evidencing a reasonable expectation to the division and
1577     the board that an applicant or licensee can successfully engage in business as a contractor
1578     without jeopardy to the public health, safety, and welfare.
1579          (b) Financial responsibility may be determined by an evaluation of the total history
1580     concerning the licensee or applicant including past, present, and expected condition and record
1581     of financial solvency and business conduct.
1582          (25) "Gas appliance" means any device that uses natural gas to produce light, heat,
1583     power, steam, hot water, refrigeration, or air conditioning.
1584          (26) (a) "General building contractor" means a person licensed under this chapter as a
1585     general building contractor qualified by education, training, experience, and knowledge to
1586     perform or superintend construction of structures for the support, shelter, and enclosure of
1587     persons, animals, chattels, or movable property of any kind or any of the components of that
1588     construction except plumbing, electrical work, mechanical work, work related to the operating
1589     integrity of an elevator, and manufactured housing installation, for which the general building
1590     contractor shall employ the services of a contractor licensed in the particular specialty, except
1591     that a general building contractor engaged in the construction of single-family and multifamily
1592     residences up to four units may perform the mechanical work and hire a licensed plumber or
1593     electrician as an employee.
1594          (b) The division may by rule exclude general building contractors from engaging in the
1595     performance of other construction specialties in which there is represented a substantial risk to
1596     the public health, safety, and welfare, and for which a license is required unless that general
1597     building contractor holds a valid license in that specialty classification.
1598          (27) (a) "General electrical contractor" means a person licensed under this chapter as a
1599     general electrical contractor qualified by education, training, experience, and knowledge to

1600     perform the fabrication, construction, and installation of generators, transformers, conduits,
1601     raceways, panels, switch gear, electrical wires, fixtures, appliances, or apparatus that uses
1602     electrical energy.
1603          (b) The scope of work of a general electrical contractor may be further defined by rules
1604     made by the commission, with the concurrence of the director, in accordance with Title 63G,
1605     Chapter 3, Utah Administrative Rulemaking Act.
1606          (28) (a) "General engineering contractor" means a person licensed under this chapter as
1607     a general engineering contractor qualified by education, training, experience, and knowledge to
1608     perform or superintend construction of fixed works or components of fixed works requiring
1609     specialized engineering knowledge and skill in any of the following:
1610          (i) irrigation;
1611          (ii) drainage;
1612          (iii) water power;
1613          (iv) water supply;
1614          (v) flood control;
1615          (vi) an inland waterway;
1616          (vii) a harbor;
1617          (viii) a railroad;
1618          (ix) a highway;
1619          (x) a tunnel;
1620          (xi) an airport;
1621          (xii) an airport runway;
1622          (xiii) a sewer;
1623          (xiv) a bridge;
1624          (xv) a refinery;
1625          (xvi) a pipeline;
1626          (xvii) a chemical plant;
1627          (xviii) an industrial plant;
1628          (xix) a pier;
1629          (xx) a foundation;
1630          (xxi) a power plant; [or]

1631          (xxii) a utility plant or installation[.]; or
1632          (xxiii) electric utility piping.
1633          (b) A general engineering contractor may not perform or superintend:
1634          (i) construction of a structure built primarily for the support, shelter, and enclosure of
1635     persons, animals, and chattels; or
1636          (ii) performance of:
1637          (A) plumbing work;
1638          (B) electrical work beyond electric utility piping; or
1639          (C) mechanical work.
1640          (29) (a) "General plumbing contractor" means a person licensed under this chapter as a
1641     general plumbing contractor qualified by education, training, experience, and knowledge to
1642     perform the fabrication or installation of material and fixtures to create and maintain sanitary
1643     conditions in a building by providing permanent means for a supply of safe and pure water, a
1644     means for the timely and complete removal from the premises of all used or contaminated
1645     water, fluid and semi-fluid organic wastes and other impurities incidental to life and the
1646     occupation of such premises, and a safe and adequate supply of gases for lighting, heating, and
1647     industrial purposes.
1648          (b) The scope of work of a general plumbing contractor may be further defined by rules
1649     made by the commission, with the concurrence of the director, in accordance with Title 63G,
1650     Chapter 3, Utah Administrative Rulemaking Act.
1651          (30) "Immediate supervision" means reasonable direction, oversight, inspection, and
1652     evaluation of the work of a person:
1653          (a) as the division specifies in rule;
1654          (b) by, as applicable, a qualified electrician or plumber;
1655          (c) as part of a planned program of training; and
1656          (d) to ensure that the end result complies with applicable standards.
1657          (31) "Individual" means a natural person.
1658          (32) "Journeyman electrician" means a person licensed under this chapter as a
1659     journeyman electrician having the qualifications, training, experience, and knowledge to wire,
1660     install, and repair electrical apparatus and equipment for light, heat, power, and other purposes.
1661          (33) "Journeyman plumber" means a person licensed under this chapter as a

1662     journeyman plumber having the qualifications, training, experience, and technical knowledge
1663     to engage in the plumbing trade.
1664          (34) "Master electrician" means a person licensed under this chapter as a master
1665     electrician having the qualifications, training, experience, and knowledge to properly plan,
1666     layout, and supervise the wiring, installation, and repair of electrical apparatus and equipment
1667     for light, heat, power, and other purposes.
1668          (35) "Master plumber" means a person licensed under this chapter as a master plumber
1669     having the qualifications, training, experience, and knowledge to properly plan and layout
1670     projects and supervise persons in the plumbing trade.
1671          (36) "Person" means a natural person, sole proprietorship, joint venture, corporation,
1672     limited liability company, association, or organization of any type.
1673          (37) (a) "Plumbing trade" means the performance of any mechanical work pertaining to
1674     the installation, alteration, change, repair, removal, maintenance, or use in buildings, or within
1675     three feet beyond the outside walls of buildings, of pipes, fixtures, and fittings for the:
1676          (i) delivery of the water supply;
1677          (ii) discharge of liquid and water carried waste;
1678          (iii) building drainage system within the walls of the building; and
1679          (iv) delivery of gases for lighting, heating, and industrial purposes.
1680          (b) "Plumbing trade" includes work pertaining to the water supply, distribution pipes,
1681     fixtures and fixture traps, soil, waste and vent pipes, the building drain and roof drains, and the
1682     safe and adequate supply of gases, together with their devices, appurtenances, and connections
1683     where installed within the outside walls of the building.
1684          (38) "Ratio of apprentices" means the number of licensed plumber apprentices or
1685     licensed electrician apprentices that are allowed to be under the immediate supervision of a
1686     licensed supervisor as established by the provisions of this chapter and by rules made by the
1687     commission, with the concurrence of the director, in accordance with Title 63G, Chapter 3,
1688     Utah Administrative Rulemaking Act.
1689          (39) "Residential and small commercial contractor" means a person licensed under this
1690     chapter as a residential and small commercial contractor qualified by education, training,
1691     experience, and knowledge to perform or superintend the construction of single-family
1692     residences, multifamily residences up to four units, and commercial construction of not more

1693     than three stories above ground and not more than 20,000 square feet, or any of the components
1694     of that construction except plumbing, electrical work, mechanical work, and manufactured
1695     housing installation, for which the residential and small commercial contractor shall employ
1696     the services of a contractor licensed in the particular specialty, except that a residential and
1697     small commercial contractor engaged in the construction of single-family and multifamily
1698     residences up to four units may perform the mechanical work and hire a licensed plumber or
1699     electrician as an employee.
1700          (40) "Residential building," as it relates to the license classification of residential
1701     journeyman plumber and residential master plumber, means a single or multiple family
1702     dwelling of up to four units.
1703          (41) (a) "Residential electrical contractor" means a person licensed under this chapter
1704     as a residential electrical contractor qualified by education, training, experience, and
1705     knowledge to perform the fabrication, construction, and installation of services, disconnecting
1706     means, grounding devices, panels, conductors, load centers, lighting and plug circuits,
1707     appliances, and fixtures in a residential unit.
1708          (b) The scope of work of a residential electrical contractor may be further defined by
1709     rules made by the commission, with the concurrence of the director, in accordance with Title
1710     63G, Chapter 3, Utah Administrative Rulemaking Act.
1711          (42) "Residential journeyman electrician" means a person licensed under this chapter
1712     as a residential journeyman electrician having the qualifications, training, experience, and
1713     knowledge to wire, install, and repair electrical apparatus and equipment for light, heat, power,
1714     and other purposes on buildings using primarily nonmetallic sheath cable.
1715          (43) "Residential journeyman plumber" means a person licensed under this chapter as a
1716     residential journeyman plumber having the qualifications, training, experience, and knowledge
1717     to engage in the plumbing trade as limited to the plumbing of residential buildings.
1718          (44) "Residential master electrician" means a person licensed under this chapter as a
1719     residential master electrician having the qualifications, training, experience, and knowledge to
1720     properly plan, layout, and supervise the wiring, installation, and repair of electrical apparatus
1721     and equipment for light, heat, power, and other purposes on residential projects.
1722          (45) "Residential master plumber" means a person licensed under this chapter as a
1723     residential master plumber having the qualifications, training, experience, and knowledge to

1724     properly plan and layout projects and supervise persons in the plumbing trade as limited to the
1725     plumbing of residential buildings.
1726          (46) (a) "Residential plumbing contractor" means a person licensed under this chapter
1727     as a residential plumbing contractor qualified by education, training, experience, and
1728     knowledge to perform the fabrication or installation of material and fixtures to create and
1729     maintain sanitary conditions in residential buildings by providing permanent means for a
1730     supply of safe and pure water, a means for the timely and complete removal from the premises
1731     of all used or contaminated water, fluid and semi-fluid organic wastes and other impurities
1732     incidental to life and the occupation of such premises, and a safe and adequate supply of gases
1733     for lighting, heating, and residential purposes.
1734          (b) The scope of work of a residential plumbing contractor may be further defined by
1735     rules made by the commission, with the concurrence of the director, in accordance with Title
1736     63G, Chapter 3, Utah Administrative Rulemaking Act.
1737          (47) "Residential project," as it relates to an electrician or electrical contractor, means
1738     buildings primarily wired with nonmetallic sheathed cable, in accordance with standard rules
1739     and regulations governing this work, including the National Electrical Code, and in which the
1740     voltage does not exceed 250 volts line to line and 125 volts to ground.
1741          (48) "Responsible management personnel" means:
1742          (a) a qualifying agent;
1743          (b) an operations manager; or
1744          (c) a site manager.
1745          (49) "Sensitive alarm system information" means:
1746          (a) a pass code or other code used in the operation of an alarm system;
1747          (b) information on the location of alarm system components at the premises of a
1748     customer of the alarm business providing the alarm system;
1749          (c) information that would allow the circumvention, bypass, deactivation, or other
1750     compromise of an alarm system of a customer of the alarm business providing the alarm
1751     system; and
1752          (d) any other similar information that the division by rule determines to be information
1753     that an individual employed by an alarm business should use or have access to only if the
1754     individual is licensed as provided in this chapter.

1755          (50) (a) "Specialty contractor" means a person licensed under this chapter under a
1756     specialty contractor classification established by rule, who is qualified by education, training,
1757     experience, and knowledge to perform those construction trades and crafts requiring
1758     specialized skill, the regulation of which are determined by the division to be in the best
1759     interest of the public health, safety, and welfare.
1760          (b) A specialty contractor may perform work in crafts or trades other than those in
1761     which the specialty contractor is licensed if they are incidental to the performance of the
1762     specialty contractor's licensed craft or trade.
1763          (51) "Unincorporated entity" means an entity that is not:
1764          (a) an individual;
1765          (b) a corporation; or
1766          (c) publicly traded.
1767          (52) "Unlawful conduct" means the same as that term is defined in Sections 58-1-501
1768     and 58-55-501.
1769          (53) "Unprofessional conduct" means the same as that term is defined in Sections
1770     58-1-501 and 58-55-502 and as may be further defined by rule.
1771          (54) "Wages" means amounts due to an employee for labor or services whether the
1772     amount is fixed or ascertained on a time, task, piece, commission, or other basis for calculating
1773     the amount.
1774          Section 13. Section 63N-3-13 is enacted to read:
1775          63N-3-13. Mass Timber Construction Program.
1776          (1) A for-profit business may apply to receive a subordinate, low-interest loan from the
1777     restricted account, described in Section 63N-3-103, for a mass timber construction project in
1778     the state.
1779          (2) In accordance with this section and in consultation with the GO Utah board, the
1780     administrator may loan up to ten percent of the total hard costs of the mass timber project, not
1781     to exceed $5,000,000.
1782          (3) The administrator shall designate an application process for a business to apply for
1783     the loan.
1784          (4) To apply for the loan, a borrower shall:
1785          (a) meet the requirements described in Section 63N-3-105;

1786          (b) demonstrate that the building will have a floor height of at least 75 feet and that at
1787     least 75% of the approved building height will be structurally supported by mass timber;
1788          (c) provide an economic analysis report that states the economic benefit and impact to
1789     the state; and
1790          (d) create an on-site training program to provide apprenticeship positions for Utah
1791     based apprentices that are a part of the mass timber development throughout the construction
1792     cycle.
1793          (5) "The Go Utah Board" will establish the loan terms.
1794          (6) Money loaned under this section shall be deducted from any other money or
1795     incentive awarded by the office to the business.
1796          Section 14. Repealer.
1797          This bill repeals:
1798          Section 15A-6-101, Title.
1799          Section 15A-6-102, Nitrogen Oxide emission limits for natural gas-fired water
1800     heaters.
1801          Section 15. Effective date.
1802          This bill takes effect on May 1, 2024.