Utah House Bill HB0532 Introduced / Bill

                    H.B. 532
LEGISLATIVE GENERAL COUNSEL
6  Approved for Filing: A. Shewan  6
6   02-21-23  10:02 AM    6
H.B. 532
1	BUILDING CODE REVISIONS
2	2023 GENERAL SESSION
3	STATE OF UTAH
4	Chief Sponsor:  Calvin R. Musselman
5	Senate Sponsor: ____________
6 
7LONG TITLE
8General Description:
9 This bill modifies construction and fire codes under Title 15A, State Construction and
10Fire Codes Act.
11Highlighted Provisions:
12 This bill:
13 <adopts, with certain statewide amendments, the International Code Council's 2021
14edition of the:
15 CInternational Building Code, including Appendix J;
16 Ccertain International Residential Code, including Appendices E and Q;
17 CInternational Plumbing Code;
18 CInternational Mechanical Code;
19 CInternational Fuel Gas Code;
20 Ccommercial provisions of the International Energy Conservation Code;
21 CInternational Existing Building Code; and
22 CInternational Swimming Pool and Spa Code; and
23 <makes technical and conforming changes.
24Money Appropriated in this Bill:
25 None
26Other Special Clauses:
27 None
*HB0532* H.B. 532	02-21-23 10:02 AM
- 2 -
28Utah Code Sections Affected:
29AMENDS:
30 15A-1-204, as last amended by Laws of Utah 2021, First Special Session, Chapter 3
31 15A-1-403, as last amended by Laws of Utah 2021, Chapter 199
32 15A-2-103, as last amended by Laws of Utah 2021, Chapter 199
33 15A-2-104, as last amended by Laws of Utah 2016, Chapter 249
34 15A-2-105, as enacted by Laws of Utah 2011, Chapter 14
35 15A-3-102, as last amended by Laws of Utah 2019, Chapter 20
36 15A-3-103, as last amended by Laws of Utah 2020, Chapters 243, 441
37 15A-3-104, as last amended by Laws of Utah 2019, Chapter 20
38 15A-3-105, as last amended by Laws of Utah 2019, Chapter 20
39 15A-3-107, as last amended by Laws of Utah 2019, Chapter 20
40 15A-3-108, as last amended by Laws of Utah 2016, Chapter 249
41 15A-3-112, as last amended by Laws of Utah 2020, Chapter 441
42 15A-3-202, as last amended by Laws of Utah 2022, Chapter 28
43 15A-3-203, as last amended by Laws of Utah 2022, Chapter 28
44 15A-3-204, as last amended by Laws of Utah 2021, Chapter 102
45 15A-3-205, as last amended by Laws of Utah 2022, Chapter 28
46 15A-3-206, as last amended by Laws of Utah 2022, Chapter 28
47 15A-3-302, as last amended by Laws of Utah 2019, Chapter 20
48 15A-3-303, as last amended by Laws of Utah 2019, Chapter 20
49 15A-3-304, as last amended by Laws of Utah 2020, Chapter 441
50 15A-3-306, as last amended by Laws of Utah 2022, Chapter 28
51 15A-3-309, as last amended by Laws of Utah 2013, Chapter 297
52 15A-3-310, as last amended by Laws of Utah 2019, Chapter 20
53 15A-3-313, as last amended by Laws of Utah 2020, Chapter 441
54 15A-3-315, as enacted by Laws of Utah 2016, Chapter 249
55 15A-3-402, as last amended by Laws of Utah 2022, Chapters 28, 415
56 15A-3-601, as last amended by Laws of Utah 2021, Chapter 199
57 15A-3-701, as last amended by Laws of Utah 2019, Chapter 20
58 15A-3-801, as last amended by Laws of Utah 2020, Chapter 441 02-21-23 10:02 AM	H.B. 532
- 3 -
59 15A-3-1001, as enacted by Laws of Utah 2020, Chapter 441
60 
61Be it enacted by the Legislature of the state of Utah:
62 Section 1.  Section 15A-1-204 is amended to read:
63 15A-1-204.  Adoption of State Construction Code -- Amendments by commission
64-- Approved codes -- Exemptions.
65 (1) (a)  The State Construction Code is the construction codes adopted with any
66modifications in accordance with this section that the state and each political subdivision of the
67state shall follow.
68 (b)  A person shall comply with the applicable provisions of the State Construction
69Code when:
70 (i)  new construction is involved; and
71 (ii)  the owner of an existing building, or the owner's agent, is voluntarily engaged in:
72 (A)  the repair, renovation, remodeling, alteration, enlargement, rehabilitation,
73conservation, or reconstruction of the building; or
74 (B)  changing the character or use of the building in a manner that increases the
75occupancy loads, other demands, or safety risks of the building.
76 (c)  On and after July 1, 2010, the State Construction Code is the State Construction
77Code in effect on July 1, 2010, until in accordance with this section:
78 (i)  a new State Construction Code is adopted; or
79 (ii)  one or more provisions of the State Construction Code are amended or repealed in
80accordance with this section.
81 (d)  A provision of the State Construction Code may be applicable:
82 (i)  to the entire state; or
83 (ii)  within a county, city, or town.
84 (2) (a)  The Legislature shall adopt a State Construction Code by enacting legislation
85that adopts a nationally recognized construction code with any modifications.
86 (b)  Legislation described in Subsection (2)(a) shall state that the legislation takes effect
87on the July 1 after the day on which the legislation is enacted, unless otherwise stated in the
88legislation.
89 (c)  Subject to Subsection (6), a State Construction Code adopted by the Legislature is H.B. 532	02-21-23 10:02 AM
- 4 -
90the State Construction Code until, in accordance with this section, the Legislature adopts a new
91State Construction Code by:
92 (i)  adopting a new State Construction Code in its entirety; or
93 (ii)  amending or repealing one or more provisions of the State Construction Code.
94 (3) (a)  Except as provided in Subsection (3)(b), for each update of a nationally
95recognized construction code, the commission shall prepare a report described in Subsection
96(4).
97 (b)  For the provisions of a nationally recognized construction code that apply only to
98detached one- and two-family dwellings and townhouses not more than three stories above
99grade plane in height with separate means of egress and their accessory structures, the
100commission shall prepare a report described in Subsection (4) in 2022 and, thereafter, for every
101second update of the nationally recognized construction code.
102 (4) (a)  In accordance with Subsection (3), on or before September 1 of the year after
103the year designated in the title of a nationally recognized construction code, the commission
104shall prepare and submit, in accordance with Section 68-3-14, a written report to the Business
105and Labor Interim Committee that:
106 (i)  states whether the commission recommends the Legislature adopt the update with
107any modifications; and
108 (ii)  describes the costs and benefits of each recommended change in the update or in
109any modification.
110 (b)  After the Business and Labor Interim Committee receives the report described in
111Subsection (4)(a), the Business and Labor Interim Committee shall:
112 (i)  study the recommendations; and
113 (ii)  if the Business and Labor Interim Committee decides to recommend legislative
114action to the Legislature, prepare legislation for consideration by the Legislature in the next
115general session.
116 (5) (a) (i)  The commission shall, by no later than September 1 of each year in which
117the commission is not required to submit a report described in Subsection (4), submit, in
118accordance with Section 68-3-14, a written report to the Business and Labor Interim
119Committee recommending whether the Legislature should amend or repeal one or more
120provisions of the State Construction Code. 02-21-23 10:02 AM	H.B. 532
- 5 -
121 (ii)  As part of a recommendation described in Subsection (5)(a)(i), the commission
122shall describe the costs and benefits of each proposed amendment or repeal.
123 (b)  The commission may recommend legislative action related to the State
124Construction Code:
125 (i)  on the commission's own initiative;
126 (ii)  upon the recommendation of the division; or
127 (iii)  upon the receipt of a request by one of the following that the commission
128recommend legislative action related to the State Construction Code:
129 (A)  a local regulator;
130 (B)  a state regulator;
131 (C)  a state agency involved with the construction and design of a building;
132 (D)  the Construction Services Commission;
133 (E)  the Electrician Licensing Board;
134 (F)  the Plumbers Licensing Board; or
135 (G)  a recognized construction-related association.
136 (c)  If the Business and Labor Interim Committee decides to recommend legislative
137action to the Legislature, the Business and Labor Interim Committee shall prepare legislation
138for consideration by the Legislature in the next general session.
139 (6) (a)  Notwithstanding the provisions of this section, the commission may, in
140accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, amend the State
141Construction Code if the commission determines that waiting for legislative action in the next
142general legislative session would:
143 (i)  cause an imminent peril to the public health, safety, or welfare; or
144 (ii)  place a person in violation of federal or other state law.
145 (b)  If the commission amends the State Construction Code in accordance with this
146Subsection (6), the commission shall file with the division:
147 (i)  the text of the amendment to the State Construction Code; and
148 (ii)  an analysis that includes the specific reasons and justifications for the commission's
149findings.
150 (c)  If the State Construction Code is amended under this Subsection (6), the division
151shall: H.B. 532	02-21-23 10:02 AM
- 6 -
152 (i)  publish the amendment to the State Construction Code in accordance with Section
15315A-1-205; and
154 (ii)  prepare and submit, in accordance with Section 68-3-14, a written notice to the
155Business and Labor Interim Committee containing the amendment to the State Construction
156Code, including a copy of the commission's analysis described in Subsection (6)(b)(ii).
157 (d)  If not formally adopted by the Legislature at the next annual general session, an
158amendment to the State Construction Code under this Subsection (6) is repealed on the July 1
159immediately following the next annual general session that follows the adoption of the
160amendment.
161 (7) (a)  The division, in consultation with the commission, may approve, without
162adopting, one or more approved codes, including a specific edition of a construction code, for
163use by a compliance agency.
164 (b)  If the code adopted by a compliance agency is an approved code described in
165Subsection (7)(a), the compliance agency may:
166 (i)  adopt an ordinance requiring removal, demolition, or repair of a building;
167 (ii)  adopt, by ordinance or rule, a dangerous building code; or
168 (iii)  adopt, by ordinance or rule, a building rehabilitation code.
169 (8)  Except as provided in Subsections (6), (7), (9), and (10), or as expressly provided in
170state law, a state executive branch entity or political subdivision of the state may not, after
171December 1, 2016, adopt or enforce a rule, ordinance, or requirement that applies to a subject
172specifically addressed by, and that is more restrictive than, the State Construction Code.
173 (9)  A state executive branch entity or political subdivision of the state may:
174 (a)  enforce a federal law or regulation;
175 (b)  adopt or enforce a rule, ordinance, or requirement if the rule, ordinance, or
176requirement applies only to a facility or construction owned or used by a state entity or a
177political subdivision of the state; or
178 (c)  enforce a rule, ordinance, or requirement:
179 (i)  that the state executive branch entity or political subdivision adopted or made
180effective before July 1, 2015; and
181 (ii)  for which the state executive branch entity or political subdivision can demonstrate,
182with substantial evidence, that the rule, ordinance, or requirement is necessary to protect an 02-21-23 10:02 AM	H.B. 532
- 7 -
183individual from a condition likely to cause imminent injury or death.
184 (10)  The Department of Health and Human Services or the Department of
185Environmental Quality may enforce a rule or requirement adopted before January 1, 2015.
186 (11) (a)  Except as provided in Subsection (11)(b), a structure used solely in
187conjunction with agriculture use, and not for human occupancy, or a structure that is no more
188than 1,500 square feet and used solely for the type of sales described in Subsection
18959-12-104(20), is exempt from the requirements of the State Construction Code.
190 (b) (i)  Unless exempted by a provision other than Subsection (11)(a), a plumbing,
191electrical, and mechanical permit may be required when that work is included in a structure
192described in Subsection (11)(a).
193 (ii)  Unless located in whole or in part in an agricultural protection area created under
194Title 17, Chapter 41, Agriculture, Industrial, or Critical Infrastructure Materials Protection
195Areas, a structure described in Subsection (11)(a) is not exempt from a permit requirement if
196the structure is located on land that is:
197 (A)  within the boundaries of a city or town, and less than five contiguous acres; or
198 (B)  within a subdivision for which the county has approved a subdivision plat under
199Title 17, Chapter 27a, Part 6, Subdivisions, and less than two contiguous acres.
200 (12) (a)  A remote yurt is exempt from the State Construction Code including the
201permit requirements of the State Construction Code.
202 (b)  Notwithstanding Subsection (12)(a), a county may by ordinance require remote
203yurts to comply with the State Construction Code, if the ordinance requires the remote yurts to
204comply with all of the following:
205 (i)  the State Construction Code;
206 (ii)  notwithstanding Section 15A-5-104, the State Fire Code; and
207 (iii)  notwithstanding Section 19-5-125, Title 19, Chapter 5, Water Quality Act, rules
208made under that chapter, and local health department's jurisdiction over onsite wastewater
209disposal.
210 Section 2.  Section 15A-1-403 is amended to read:
211 15A-1-403.  Adoption of State Fire Code.
212 (1) (a)  The State Fire Code is:
213 (i)  a code promulgated by a nationally recognized code authority that is adopted by the H.B. 532	02-21-23 10:02 AM
- 8 -
214Legislature under this section with any modifications; and
215 (ii)  a code to which cities, counties, fire protection districts, and the state shall adhere
216in safeguarding life and property from the hazards of fire and explosion.
217 (b)  On and after July 1, 2010, the State Fire Code is the State Fire Code in effect on
218July 1, 2010, until in accordance with this section:
219 (i)  a new State Fire Code is adopted; or
220 (ii)  one or more provisions of the State Fire Code are amended or repealed in
221accordance with this section.
222 (c)  A provision of the State Fire Code may be applicable:
223 (i)  to the entire state; or
224 (ii)  within a city, county, or fire protection district.
225 (2) (a)  The Legislature shall adopt a State Fire Code by enacting legislation that adopts
226a nationally recognized fire code with any modifications.
227 (b)  Legislation described in Subsection (2)(a) shall state that the legislation takes effect
228on the July 1 after the day on which the legislation is enacted, unless otherwise stated in the
229legislation.
230 (c)  Subject to Subsection (6), a State Fire Code adopted by the Legislature is the State
231Fire Code until in accordance with this section the Legislature adopts a new State Fire Code by:
232 (i)  adopting a new State Fire Code in its entirety; or
233 (ii)  amending or repealing one or more provisions of the State Fire Code.
234 (3) (a)  Except as provided in Subsection (3)(b), for each update of a nationally
235recognized fire code, the board shall prepare a report described in Subsection (4).
236 (b)  For the provisions of a nationally recognized fire code that apply only to detached
237one- and two-family dwellings and townhouses not more than three stories above grade plane
238in height with separate means of egress and their accessory structures, the board shall:
239 (i)  prepare a report described in Subsection (4) in 2021 and, thereafter, for every
240second update of the nationally recognized fire code; and
241 (ii)  not prepare a report described in Subsection (4) in 2018.
242 (4) (a)  In accordance with Subsection (3), on or before September 1 of the same year as
243the year designated in the title of an update of a nationally recognized fire code, the board shall
244prepare and submit, in accordance with Section 68-3-14, a written report to the Business and 02-21-23 10:02 AM	H.B. 532
- 9 -
245Labor Interim Committee that:
246 (i)  states whether the board recommends the Legislature adopt the update with any
247modifications; and
248 (ii)  describes the costs and benefits of each recommended change in the update or in
249any modification.
250 (b)  After the Business and Labor Interim Committee receives the report described in
251Subsection (4)(a), the Business and Labor Interim Committee shall:
252 (i)  study the recommendations; and
253 (ii)  if the Business and Labor Interim Committee decides to recommend legislative
254action to the Legislature, prepare legislation for consideration by the Legislature in the next
255general session.
256 (5) (a) (i)  The board shall, by no later than September 1 of each year in which the board
257is not required to submit a report described in Subsection (4), submit, in accordance with
258Section 68-3-14, a written report to the Business and Labor Interim Committee recommending
259whether the Legislature should amend or repeal one or more provisions of the State Fire Code.
260 (ii)  As part of a recommendation described in Subsection (5)(a)(i), the board shall
261describe the costs and benefits of each proposed amendment or repeal.
262 (b)  The board may recommend legislative action related to the State Fire Code:
263 (i)  on its own initiative; or
264 (ii)  upon the receipt of a request by a city, county, or fire protection district that the
265board recommend legislative action related to the State Fire Code.
266 (c)  Within 45 days after the day on which the board receives a request under
267Subsection (5)(b), the board shall direct the division to convene an informal hearing concerning
268the request.
269 (d)  The board shall conduct a hearing under this section in accordance with the rules of
270the board.
271 (e)  The board shall decide whether to include the request in the report described in
272Subsection (5)(a).
273 (f) (i)  Within 15 days after the day on which the board conducts a hearing, the board
274shall direct the division to notify the entity that made the request of the board's decision
275regarding the request. H.B. 532	02-21-23 10:02 AM
- 10 -
276 (ii)  The division shall provide the notice:
277 (A)  in writing; and
278 (B)  in a form prescribed by the board.
279 (g)  If the Business and Labor Interim Committee decides to recommend legislative
280action to the Legislature, the Business and Labor Interim Committee shall prepare legislation
281for consideration by the Legislature in the next general session that, if passed by the
282Legislature, would amend or repeal one or more provisions of the State Fire Code.
283 (6) (a)  Notwithstanding the provisions of this section, the board may, in accordance
284with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, amend a State Fire Code if
285the board determines that waiting for legislative action in the next general legislative session
286would:
287 (i)  cause an imminent peril to the public health, safety, or welfare; or
288 (ii)  place a person in violation of federal or other state law.
289 (b)  If the board amends a State Fire Code in accordance with this Subsection (6), the
290board shall:
291 (i)  publish the State Fire Code with the amendment; and
292 (ii)  prepare and submit, in accordance with Section 68-3-14, written notice to the
293Business and Labor Interim Committee of the adoption, including a copy of an analysis by the
294board identifying specific reasons and justifications for its findings.
295 (c)  If not formally adopted by the Legislature at the next annual general session, an
296amendment to a State Fire Code adopted under this Subsection (6) is repealed on the July 1
297immediately following the next annual general session that follows the adoption of the
298amendment.
299 (7) (a)  Except as provided in Subsection (7)(b), a legislative body of a political
300subdivision may enact an ordinance in the political subdivision's fire code that is more
301restrictive than the State Fire Code:
302 (i)  in order to meet a public safety need of the political subdivision; and
303 (ii)  subject to the requirements of Subsection (7)(c).
304 (b)  Except as provided in Subsections (7)(c), (10), and (11), or as expressly provided in
305state law, a political subdivision may not, after December 1, 2016, enact or enforce a rule or
306ordinance that applies to a structure built in accordance with the International Residential 02-21-23 10:02 AM	H.B. 532
- 11 -
307Code, as adopted in the State Construction Code, that is more restrictive than the State Fire
308Code.
309 (c) (i)  Except as provided in Subsection (7)(c)(ii), a political subdivision may adopt:
310 (A)  the appendices of the International Fire Code; and
311 (B)  a fire sprinkler ordinance in accordance with Section 15A-5-203.
312 (ii)  If a political subdivision adopts International Fire Code Appendix B, the political
313subdivision may not require:
314 (A)  a subdivision of structures built in accordance with the International Residential
315Code to have a fire flow rate that is greater than 2000 gallons per minute;
316 (B)  an individual structure built in accordance with the International Residential Code
317to have a fire flow rate that is greater than 2000 gallons per minute; or
318 (C)  a one- or two-family dwelling or a town home to have a fire sprinkler system,
319except in accordance with Section 15A-5-203.
320 (d)  The board shall submit, in accordance with Section 68-3-14, to the Business and
321Labor Interim Committee each year with the recommendations submitted in accordance with
322Subsection (4), recommendations, if any, for legislative action related to an ordinance enacted
323under this Subsection (7).
324 (8)  Except as provided in Subsections (9), (10), and (11), or as expressly provided in
325state law, a state executive branch entity may not, after December 1, 2016, adopt or enforce a
326rule or requirement that:
327 (a)  is more restrictive than the State Fire Code; and
328 (b)  applies to detached one- and two-family dwellings and townhouses not more than
329three stories above grade plane in height with a separate means of egress and their accessory
330structures.
331 (9)  A state government entity may adopt a rule or requirement regarding a residential
332occupancy that is regulated by:
333 (a)  the State Fire Prevention Board; or
334 (b)  the Department of Health[; or] and Human Services.
335 [(c)  the Department of Human Services.]
336 (10)  A state executive branch entity or political subdivision of the state may:
337 (a)  enforce a federal law or regulation; H.B. 532	02-21-23 10:02 AM
- 12 -
338 (b)  adopt or enforce a rule, ordinance, or requirement if the rule, ordinance, or
339requirement applies only to a facility or construction owned or used by a state entity or a
340political subdivision of the state; or
341 (c)  enforce a rule, ordinance, or requirement:
342 (i)  that the state executive branch entity or political subdivision adopted or made
343effective before July 1, 2015; and
344 (ii)  for which the state executive branch entity or political subdivision can demonstrate,
345with substantial evidence, that the rule, ordinance, or requirement is necessary to protect an
346individual from a condition likely to cause imminent injury or death.
347 (11)  The Department of Health and Human Services or the Department of
348Environmental Quality may enforce a rule or requirement adopted before January 1, 2015.
349 Section 3.  Section 15A-2-103 is amended to read:
350 15A-2-103.  Specific editions adopted of construction code of a nationally
351recognized code authority.
352 (1)  Subject to the other provisions of this part, the following construction codes are
353incorporated by reference, and together with the amendments specified in Chapter 3, Statewide
354Amendments Incorporated as Part of State Construction Code, and Chapter 4, Local
355Amendments Incorporated as Part of State Construction Code, are the construction standards to
356be applied to building construction, alteration, remodeling, and repair, and in the regulation of
357building construction, alteration, remodeling, and repair in the state:
358 (a)  the [2018] 2021 edition of the International Building Code, including Appendices C
359and J, issued by the International Code Council;
360 (b)  [the 2015] except as provided in Subsection (1)(c), the 2021 edition of the
361International Residential Code, issued by the International Code Council;
362 (c)  the residential provisions of Chapter 11, Energy Efficiency, of the 2015 edition of
363the International Residential Code, issued by the International Code Council;
364 [(c)] (d)  Appendix Q of the [2018] 2021 edition of the International Residential Code,
365issued by the International Code Council;
366 [(d)] (e)  the [2018] 2021 edition of the International Plumbing Code, issued by the
367International Code Council;
368 [(e)] (f)  the [2018] 2021 edition of the International Mechanical Code, issued by the 02-21-23 10:02 AM	H.B. 532
- 13 -
369International Code Council;
370 [(f)] (g)  the [2018] 2021 edition of the International Fuel Gas Code, issued by the
371International Code Council;
372 [(g)] (h)  the 2020 edition of the National Electrical Code, issued by the National Fire
373Protection Association;
374 [(h)] (i)  the residential provisions of the 2015 edition of the International Energy
375Conservation Code, issued by the International Code Council;
376 [(i)] (j)  the commercial provisions of the [2018] 2021 edition of the International
377Energy Conservation Code, issued by the International Code Council;
378 [(j)] (k)  the [2018] 2021 edition of the International Existing Building Code, issued by
379the International Code Council;
380 [(k)] (l)  subject to Subsection 15A-2-104(2), the HUD Code;
381 [(l)] (m)  subject to Subsection 15A-2-104(1), Appendix E of the [2015] 2021 edition
382of the International Residential Code, issued by the International Code Council;
383 [(m)] (n)  subject to Subsection 15A-2-104(1), the 2005 edition of the NFPA 225
384Model Manufactured Home Installation Standard, issued by the National Fire Protection
385Association;
386 [(n)] (o)  subject to Subsection (3), for standards and guidelines pertaining to plaster on
387a historic property, as defined in Section 9-8-302, the U.S. Department of the Interior
388Secretary's Standards for Rehabilitation and Guidelines for Rehabilitating Historic Buildings;
389and
390 [(o)] (p)  the residential provisions of the [2018] 2021 edition of the International
391Swimming Pool and Spa Code, issued by the International Code Council.
392 (2)  Consistent with Title 65A, Chapter 8, Management of Forest Lands and Fire
393Control, the Legislature adopts the 2006 edition of the Utah Wildland Urban Interface Code,
394issued by the International Code Council, with the alternatives or amendments approved by the
395Utah Division of Forestry, Fire, and State Lands, as a construction code that may be adopted by
396a local compliance agency by local ordinance or other similar action as a local amendment to
397the codes listed in this section.
398 (3)  The standards and guidelines described in Subsection [(1)(n)] (1)(o) apply only if:
399 (a)  the owner of the historic property receives a government tax subsidy based on the H.B. 532	02-21-23 10:02 AM
- 14 -
400property's status as a historic property;
401 (b)  the historic property is wholly or partially funded by public money; or
402 (c)  the historic property is owned by a government entity.
403 Section 4.  Section 15A-2-104 is amended to read:
404 15A-2-104.  Installation standards for manufactured housing.
405 (1)  The following are the installation standards for manufactured housing for new
406installations or for existing manufactured or mobile homes that are subject to relocation,
407building alteration, remodeling, or rehabilitation in the state:
408 (a)  The manufacturer's installation instruction for the model being installed is the
409primary standard.
410 (b)  If the manufacturer's installation instruction for the model being installed is not
411available or is incomplete, the following standards apply:
412 (i)  Appendix E of the [2015] 2021 edition of the IRC, as issued by the International
413Code Council for installations defined in Section AE101 of Appendix E; or
414 (ii)  if an installation is beyond the scope of the [2015] 2021 edition of the IRC as
415defined in Section AE101 of Appendix E, the 2005 edition of the NFPA 225 Model
416Manufactured Home Installation Standard, issued by the National Fire Protection Association.
417 (c)  A manufacturer, dealer, or homeowner is permitted to design for unusual
418installation of a manufactured home not provided for in the manufacturer's standard installation
419instruction, Appendix E of the [2015] 2021 edition of the IRC, or the 2005 edition of the
420NFPA 225, if the design is approved in writing by a professional engineer or architect licensed
421in Utah.
422 (d)  For a mobile home built before June 15, 1976, the mobile home shall also comply
423with the additional installation and safety requirements specified in Chapter 3, Part 8,
424Statewide Amendments to International Existing Building Code.
425 (2)  Pursuant to the HUD Code Section 604(d), a manufactured home may be installed
426in the state that does not meet the local snow load requirements as specified in Chapter 3, Part
4272, Statewide Amendments to International Residential Code, except that the manufactured
428home shall have a protective structure built over the home that meets the IRC and the snow
429load requirements under Chapter 3, Part 2, Statewide Amendments to International Residential
430Code. 02-21-23 10:02 AM	H.B. 532
- 15 -
431 Section 5.  Section 15A-2-105 is amended to read:
432 15A-2-105.  Scope of application.
433 (1)  To the extent that a construction code adopted under Section 15A-2-103 establishes
434a local administrative function or establishes a method of appeal which pursuant to Section
43515A-1-207 is designated to be established by the compliance agency:
436 (a)  that provision of the construction code is not included in the State Construction
437Code; and
438 (b)  a compliance agency may establish provisions to establish a local administrative
439function or a method of appeal.
440 (2) (a)  To the extent that a construction code adopted under Subsection (1) establishes
441a provision, standard, or reference to another code that by state statute is designated to be
442established or administered by another state agency, or a local city, town, or county
443jurisdiction:
444 (i)  that provision of the construction code is not included in the State Construction
445Code; and
446 (ii)  the state agency or local government has authority over that provision of the
447construction code.
448 (b)  Provisions excluded under this Subsection (2) include:
449 (i)  the International Property Maintenance Code;
450 (ii)  the International Private Sewage Disposal Code, authority over which is reserved to
451the Department of Health and Human Services and the Department of Environmental Quality;
452 (iii)  the International Fire Code, authority over which is reserved to the board, pursuant
453to Section 15A-1-403;
454 (iv)  a day care provision that is in conflict with Title 26, Chapter 39, Utah Child Care
455Licensing Act, authority over which is designated to the [Utah] Department of Health and
456Human Services; and
457 (v)  a wildland urban interface provision that goes beyond the authority under Section
45815A-1-204, for the State Construction Code, authority over which is designated to the Utah
459Division of Forestry, Fire, and State Lands or to a local compliance agency.
460 (3)  If a construction code adopted under Subsection 15A-2-103(1) establishes a
461provision that exceeds the scope described in Chapter 1, Part 2, State Construction Code H.B. 532	02-21-23 10:02 AM
- 16 -
462Administration Act, to the extent the scope is exceeded, the provision is not included in the
463State Construction Code.
464 Section 6.  Section 15A-3-102 is amended to read:
465 15A-3-102.  Amendments to Chapters 1 through 3 of IBC.
466 (1)  IBC, Section 106, is deleted.
467 (2)  In IBC, Section 110, a new section is added as follows: " [110.3.5.1] 110.3.13,
468Weather-resistant exterior wall envelope.  An inspection shall be made of the weather-resistant
469exterior wall envelope as required by Section 1404.2, and flashing as required by Section
4701404.4 to prevent water from entering the weather-resistive barrier."
471 (3)  IBC, Section 115.1, is deleted and replaced with the following: "115.1 Authority. 
472Whenever the building official finds any work regulated by this code being performed in a
473manner either contrary to the provisions of this code or other pertinent laws or ordinances or is
474dangerous or unsafe, the building official is authorized to stop work."
475 (4)  In IBC, Section 202, the following definition is added for Ambulatory Surgical
476Center: "AMBULATORY SURGICAL CENTER.  A building or portion of a building licensed
477by the [Utah] Department of Health and Human Services where procedures are performed that
478may render patients incapable of self preservation where care is less than 24 hours.  See Utah
479Administrative Code R432-13."
480 (5)  In IBC, Section 202, the definition for "Approved" is modified by adding the words
481"or independent third-party licensed engineer or architect and submitted to the building
482official" after the word "official."
483 (6)  In IBC, Section 202, the definition for "Approved Agency" is modified by deleting
484the words "where such agency has been approved by the building official."
485 (7)  In IBC, Section 202, the definition for "Approved Fabricator" is modified by adding
486the words "or approved by the state of Utah or a licensed engineer" after the word "code."
487 (8)  In IBC, Section 202, the definition for "Approved Source" is modified by adding
488the words "or licensed engineer" after the word "official."
489 [(5)] (9)  In IBC, Section 202, the following definition is added for Assisted Living
490Facility, Residential Treatment and Support: "ASSISTED LIVING FACILITY[. See
491Residential Treatment/Support Assisted Living Facility, Type I Assisted Living Facility, and
492Type II Assisted Living Facility."], RESIDENTIAL TREATMENT AND SUPPORT. A 02-21-23 10:02 AM	H.B. 532
- 17 -
493residential facility that provides a group living environment for four or more residents licensed
494by the Department of Health and Human Services and provides a protected living arrangement
495for ambulatory, non-restrained persons who are capable of achieving mobility sufficient to exit
496the facility without the physical assistance of another person.
497 ASSISTED LIVING FACILITY, TYPE I. A residential facility licensed by the
498Department of Health and Human Services that provides a protected living arrangement,
499assistance with activities of daily living, and social care to two or more ambulatory,
500non-restrained persons who are capable of mobility sufficient to exit the facility without the
501assistance of another person.
502 ASSISTED LIVING FACILITY, TYPE II. A residential facility licensed by the
503Department of Health and Human Services that provides an array of coordinated supportive
504personal and health care services to two or more residents who are:
505 (i)  Physically disabled but able to direct his or her own care; or
506 (ii) Cognitively impaired or physically disabled but able to evacuate from the facility, or
507to a zone or area of safety, with the physical assistance of one person.
508 ASSISTED LIVING FACILITY, LIMITED CAPACITY. A Type I or Type II assisted
509living facility having two to five residents.
510 ASSISTED LIVING FACILITY, SMALL. A Type I or Type II assisted living facility
511having six to sixteen residents.
512 ASSISTED LIVING FACILITY, LARGE. A Type I or Type II assisted living facility
513having more than sixteen residents."
514 [(6)] (10)  In IBC, Section 202, the following definition is added for [Foster Care
515Facilities is modified by deleting the word "Foster" and replacing it with the word "Child."]
516Child Care Facility: "CHILD CARE FACILITY. A facility where care and supervision is
517provided for four or more children for less than 24 hours a day and for direct or indirect
518compensation in place of care ordinarily provided in their home."
519 [(7)] (11)  In IBC, Section 202, the definition for "[[F]] Record Drawings" is modified
520by deleting the words "a fire alarm system" and replacing them with "any fire protection
521system."
522 [(8)  In IBC, Section 202, the following definition is added for Residential
523Treatment/Support Assisted Living Facility: "RESIDENTIAL TREATMENT/SUPPORT H.B. 532	02-21-23 10:02 AM
- 18 -
524ASSISTED LIVING FACILITY. A residential facility that provides a group living
525environment for four or more residents licensed by the Department of Human Services, and
526provides a protected living arrangement for ambulatory, non-restrained persons who are
527capable of achieving mobility sufficient to exit the facility without the physical assistance of
528another person." (9)  In IBC, Section 202, the following definition is added for Type I Assisted
529Living Facility: "TYPE I ASSISTED LIVING FACILITY. A residential facility licensed by the
530Department of Health that provides a protected living arrangement, assistance with activities of
531daily living and social care to two or more ambulatory, non-restrained persons who are capable
532of mobility sufficient to exit the facility without the assistance of another person. Subcategories
533are:]
534 [Limited Capacity: two to five residents;]
535 [Small: six to sixteen residents; and]
536 [Large: over sixteen residents." (10)  In IBC, Section 202, the following definition is
537added for Type II Assisted Living Facility: "TYPE II ASSISTED LIVING FACILITY. A
538residential facility licensed by the Department of Health that provides an array of coordinated
539supportive personal and health care services to two or more residents who are:]
540 [A. Physically disabled but able to direct his or her own care; or]
541 [B. Cognitively impaired or physically disabled but able to evacuate from the facility, or
542to a zone or area of safety, with the physical assistance of one person. Subcategories are:]
543 [Limited Capacity: two to five residents;]
544 [Small: six to sixteen residents; and]
545 [Large: over sixteen residents."]
546 [(11)  In  IBC, Section 305.2, the following changes are made:]
547 [(a)  delete the words "more than five children older than 2 1/2 years of age" and
548replace with the words "five or more children 2 years of age or older";]
549 [(b)  after the word "supervision" insert the words "child care services"; and]
550 [(c)  add the following sentence at the end of the paragraph: "See Section 429, Day
551Care, for special requirements for day care."]
552 [(12)  In IBC, Section 305.2.2 and 305.2.3, the word "five" is deleted and replaced with
553the word "four" in all places.]
554 [(13)  A new IBC Section 305.2.4 is added as follows: "305.2.4 Child day care -- 02-21-23 10:02 AM	H.B. 532
- 19 -
555residential child care certificate or a license.  Areas used for child day care purposes with a
556residential child care certificate, as described in Utah Administrative Code, R430-50,
557Residential Certificate Child Care, or a residential child care license, as described in Utah
558Administrative Code, R430-90, Licensed Family Child Care, may be located in a Group R-2 or
559R-3 occupancy as provided in Sections 310.3 and 310.4 comply with the International
560Residential Code in accordance with Section R101.2."]
561 [(14)  A new IBC Section 305.2.5 is added as follows: "305.2.5 Child care centers.
562Each of the following areas may be classified as accessory occupancies, if the area complies
563with Section 508.2:]
564 [1. Hourly child care centers, as described in Utah Administrative Code, R381-60,
565Hourly Child Care Centers;]
566 [2. Child care centers, as described in Utah Administrative Code, R381-100, Child Care
567Centers; and]
568 [3. Out-of-school-time programs, as described in Utah Administrative Code, R381-70,
569Out of School Time Child Care Programs."]
570 [(15)] (12)  In IBC, Section 305, Sections 305.2 through 305.2.3 are deleted and
571replaced with the following:
572 "305.2 Group E, child care facilities. This group includes buildings and structures or
573portions thereof occupied by four or more children 2 years of age or older who receive
574educational, supervision, child care services or personal care services for fewer than 24 hours
575per day. See Section 429 Day Care, for special requirements for day care.
576 305.2.1 Within places of religious worship. Rooms and spaces within places of
577religious worship providing such day care during religious functions shall be classified as part
578of the primary occupancy.
579 305.2.2 Four or fewer children. A facility having four or fewer children receiving such
580day care shall be classified as part of the primary occupancy.
581 305.2.3 Four or fewer children in a dwelling unit. A facility such as the above within a
582dwelling unit and having four or fewer children receiving such day care shall be classified as a
583Group R-3 occupancy or shall comply with the International Residential Code.
584 305.2.4 Child day care -- residential child care certificate or a license. Areas used for
585child day care purposes with a residential child care certificate, as described in Utah H.B. 532	02-21-23 10:02 AM
- 20 -
586Administrative Code, R430-50, Residential Certificate Child Care, or a residential child care
587license, as described in Utah Administrative Code, R430-90, Licensed Family Child Care, may
588be located in a Group R-2 or R-3 occupancy as provided in Sections 310.3 and 310.4 or shall
589comply with the International Residential Code in accordance with Section R101.2.
590 305.2.5 Child care centers. Each of the following areas may be classified as accessory
591occupancies, if the area complies with Section 508.2:
592 1. Hourly child care center, as described in Utah Administrative Code, R381-60 Hourly
593Child Care Centers;
594 2. Child care centers, as described in Utah Administrative Code, R381-100, Child Care
595Centers;
596 3. Out-of-school-time programs, as described in Utah Administrative Code, R381-70,
597Out of School Time Child Care Programs; and
598 4. Commercial preschools, as described in Utah Administrative Code, R381-40,
599Commercial Preschool Programs."
600 (13)  In IBC, Table 307.1(1), footnote "d" is added to the row for Explosives, Division
6011.4G in the column titled STORAGE - Solid Pounds (cubic feet).
602 [(16)] (14)  In IBC, Section 308.2, in the list of items under "This group shall include,"
603the words "Type-I Large and Type-II Small, see Section 308.2.5" are added after "Assisted
604living facilities."
605 [(17)] (15)  In IBC, Section 308.2.4, all of the words after the first International
606Residential Code are deleted.
607 [(18)] (16)  A new IBC, Section 308.2.5 is added as follows:
608 ["308.2.5 Group I-1 assisted living facility occupancy groups. The following occupancy
609groups shall apply to assisted living facilities:]
610 [Type I assisted living facilities with seventeen or more residents are Large Facilities
611classified as an Institutional Group I-1, Condition 1 occupancy.]
612 [Type II assisted living facilities with six to sixteen residents are Small Facilities
613classified as an Institutional Group I-1, Condition 2 occupancy. See Section 202 for
614definitions."]
615 "308.2.5 Assisted living facilities. A Type I, Large assisted living facility is classified as
616occupancy Group I-1, Condition 1. A Type II, Small assisted living facility is classified as 02-21-23 10:02 AM	H.B. 532
- 21 -
617occupancy Group I-1, Condition 2. See Section 202 for definitions."
618 [(19)] (17)  [In] IBC, Section 308.3 is deleted and replaced with the following:
619 "308.3 Institutional Group I-2[, the following changes are made:]. Institutional Group
620I-2 occupancy shall include buildings and structures used for medical care on a 24-hour basis
621for more than four persons who are incapable of self-preservation. This group shall include, but
622not be limited to the following:
623 Assisted living facilities, Type-II Large, see Section 308.3.3
624 Child care facilities
625 Foster care facilities
626 Detoxification facilities
627 Hospitals
628 Nursing homes (both intermediate care facilities and skilled nursing facilities)
629 Psychiatric hospitals"
630 [(a)  The words "more than five" are deleted and replaced with "four or more";]
631 [(b)  The group "Assisted living facilities, Type-II Large" is added to the list of groups;]
632 [(c)  The words "Foster care facilities" are deleted and replaced with the words "Child
633care facilities"; and]
634 [(d)  The words "(both intermediate care facilities and skilled nursing facilities)" are
635added after "Nursing homes."]
636 [(20)] (18)  In IBC, Section 308.3.2, the number "five" is deleted and replaced with the
637number "four" in each location.
638 [(21)] (19)  A new IBC, Section 308.3.3 is added as follows:
639 "308.3.3 [Group I-2 assisted] Assisted living facilities. [Type II] A Type-II, Large
640assisted living [facilities with seventeen or more residents are Large Facilities] facilities is
641classified as [an Institutional] occupancy Group I-2, Condition 1 [occupancy]. See Section 202
642for definitions."
643 [(22)] (20)  In IBC, Section 308.5, the words "more than five" are deleted and replaced
644with the words "five or more in each location."
645 [(23)] (21)  [In] IBC, Section 308.5.1, [the following changes are made] is deleted and
646replaced with the following:
647 [(a)  The words "more than five" are deleted and replaced with the words "five or H.B. 532	02-21-23 10:02 AM
- 22 -
648more."]
649 [(b)  The words "2-1/2 years or less of age" are deleted and replaced with "under the age
650of two."]
651 [(c)  The following sentence is added at the end: "See Section 429 for special
652requirements for Day Care."]
653 "308.5.1 Classification as Group E. A child day care facility that provides care for five
654or more but not more than 100 children under two years of age, where the rooms in which the
655children are cared for are located on a level of exit discharge serving such rooms and each of
656these child care rooms has an exit door directly to the exterior, shall be classified as a Group E.
657See Section 429 for special requirements for Day Care."
658 [(24)] (22)  In IBC, Sections 308.5.3 and 308.5.4, the words "five or fewer" are deleted
659and replaced with the words "four or fewer" in [both places] each location and the following
660sentence is added at the end: "See Section 429 for special requirements for Day Care."
661 [(25)] (23)  [In] IBC, Section 310.4, [the following changes are made] is deleted and
662replaced with the following:
663 [(a)  The words "and single family dwellings complying with the IRC" are added after
664"Residential Group-3 occupancies."]
665 [(b)  The words "Assisted Living Facilities, limited capacity" are added to the list of
666occupancies.]
667 "310.4 Residential Group R-3. Residential Group R-3 occupancies and single family
668dwellings complying with the International Residential Code where the occupants are primarily
669permanent in nature and not classified as Group R-1, R-2, R-4 or I, including:
670 Assisted Living Facilities, Type-I, limited capacity, see Section 310.5.3
671 Buildings that do not contain more than two dwellings
672 Care facilities, other than child care, that provide accommodations for five or fewer
673persons receiving care
674 Congregate living facilities (nontransient) with 16 or fewer occupants
675 Boarding houses (nontransient)
676 Convents
677 Dormitories
678 Fraternities and sororities 02-21-23 10:02 AM	H.B. 532
- 23 -
679 Monasteries
680 Congregate living facilities (transient) with 10 or fewer occupants
681 Boarding houses (transient)
682 Lodging houses (transient) with five or fewer guest rooms and 10 or fewer occupants"
683 [(26)] (24)  [In] IBC, Section 310.4.1, [the following changes are made] is deleted and
684replaced with the following:
685 [(a)  The words "other than Child Care" are inserted after the words "Care facilities" in
686the first sentence.]
687 [(b)  All of the words after the first "International Residential Code" are deleted.]
688 [(c)  The following sentence is added at the end of the last sentence: "See Section 429
689for special requirements for Child Day Care."]
690 "310.4.1 Care facilities within a dwelling. Care facilities, other than child care, for five
691or fewer persons receiving care that are within a single family dwelling are permitted to comply
692with the International Residential Code. See Section 429 for special requirements for Child
693Day Care."
694 [(27)] (25)  A new IBC Section 310.4.3 is added as follows: " 310.4.3 Child Care. 
695Areas used for child care purposes may be located in a residential dwelling unit under all of the
696following conditions and Section 429:
697 1.  Compliance with Utah Administrative Code, R710-8, Day Care Rules, as enacted
698under the authority of the Utah Fire Prevention Board.
699 2.  Use is approved by the [Utah] Department of Health and Human Services, as
700enacted under the authority of the Utah Code, Title 26, Chapter 39, Utah Child Care Licensing
701Act, and in any of the following categories:
702 a.  Utah Administrative Code, R430-50, Residential Certificate Child Care.
703 b.  Utah Administrative Code, R430-90, Licensed Family Child Care.
704 3.  Compliance with all zoning regulations of the local regulator."
705 [(28)] (26)  A new IBC, Section 310.4.4 is added as follows: "310.4.4 Assisted living
706facilities. Type I assisted living facilities with two to five residents are Limited Capacity
707facilities classified as a Residential Group R-3 occupancy or are permitted to comply with the
708International Residential Code. See Section 202 for definitions."
709 [(29)] (27)  In IBC, Section 310.5, the words "Type II Limited Capacity and Type I H.B. 532	02-21-23 10:02 AM
- 24 -
710Small, see Section 310.5.3" are added after the words "assisted living facilities."
711 [(30)] (28)  A new IBC, Section 310.5.3, is added as follows: "310.5.3 Group R-4
712Assisted living facility occupancy groups. The following occupancy groups shall apply to
713Assisted Living Facilities: Type II Assisted Living Facilities with two to five residents are
714Limited Capacity Facilities classified as a Residential Group R-4, Condition 2 occupancy. Type
715I assisted living facilities with six to sixteen residents are Small Facilities classified as
716Residential Group R-4, Condition 1 occupancies. See Section 202 for definitions."
717 Section 7.  Section 15A-3-103 is amended to read:
718 15A-3-103.  Amendments to Chapters 4 through 6 of IBC.
719 (1)  IBC Section 403.5.5 is deleted.
720 (2)  In IBC, Section 404.5, Exception 2.3 is added as follows:
721 "2.3 The atrium does not contain any means of egress component above the two lowest
722stories."
723 [(2)] (3)  In IBC, Section 407.2.5, the words "and assisted living facility" are added in
724the title and first sentence after the words "nursing home."
725 [(3)] (4)  In IBC, Section 407.2.6, the words "and assisted living facility" are added in
726the title after the words "nursing home."
727 (5)  In IBC, Section 407.3.1.1, Item 3 is deleted and replaced with the following:
728 "3. To provide makeup air for exhaust systems in accordance with Section 1020.6,
729Exception 1, doors to toilet rooms, bathrooms, shower rooms, sink closets, and similar
730auxiliary spaces that do not contain flammable or combustible materials are permitted to have
731louvers or an undercut of 2/3 inch (19.1 mm) maximum."
732 (6)  In IBC, Section 407.4.1, Exception 3 is added as follows:
733 "3. Only one exit access with direct access to a corridor is required from an assisted
734living facility, single resident sleeping unit that consists of a living space and one or two
735separate sleeping rooms. For other than closets, toilet and shower rooms, occupants may not be
736required to pass through more than one room before reaching the exit access."
737 (7)  In IBC, Section 407.4.3, the words "and assisted living facility" are added in the
738title and after the words "nursing home."
739 [(4)] (8)  In IBC, Section 407.11, a new exception is added as follows: "Exception: An
740essential electrical system is not required in assisted living facilities." 02-21-23 10:02 AM	H.B. 532
- 25 -
741 [(5)] (9)  In IBC, Section 412.3.1, a new exception is added as follows: "Exception:
742Aircraft hangars of Type I or II construction that are less than 5,000 square feet (464.5m2) in
743area."
744 [(6)] (10)  A new IBC, Section 422.2.1 is added as follows: " 422.2.1 Separations:
745Ambulatory care facilities licensed by the Department of Health and Human Services shall be
746separated from adjacent tenants with a fire partition having a minimum one hour fire-resistance
747rating.  Any level below the level of exit discharge shall be separated from the level of exit
748discharge by a horizontal assembly having a minimum one hour fire-resistance rating.
749 Exception: A fire barrier is not required to separate the level of exit discharge when:
750 1.  Such levels are under the control of the Ambulatory Care Facility.
751 2.  Any hazardous spaces are separated by horizontal assembly having a minimum one
752hour fire-resistance rating."
753 [(7)] (11)  A new IBC Section 429, Day Care, is added as follows:
754 " 429.1 Detailed Requirements.  In addition to the occupancy and construction
755requirements in this code, the additional provisions of this section shall apply to all Day Care in
756accordance with Utah Administrative Code R710-8 Day Care Rules.
757 429.2 Definitions.
758 429.2.1 Authority Having Jurisdiction (AHJ): State Fire Marshal, his duly authorized
759deputies, or the local fire enforcement authority code official.
760 429.2.2 Day Care Facility: Any building or structure occupied by clients of any age who
761receive custodial care for less than 24 hours by individuals other than parents, guardians,
762relatives by blood, marriage or adoption.
763 429.2.3 Day Care Center: Providing care for five or more clients in a place other than
764the home of the person cared for.  This would also include Child Care Centers, Out of School
765Time or Hourly Child Care Centers licensed by the Department of Health and Human Services.
766 429.2.4 Family Day Care: Providing care for clients listed in the following two groups:
767 429.2.4.1 Type 1: Services provided for five to eight clients in a home.  This would also
768include a home that is certified by the Department of Health and Human Services as
769Residential Certificate Child Care or licensed as Family Child Care.
770 429.2.4.2 Type 2: Services provided for nine to sixteen clients in a home with sufficient
771staffing. This would also include a home that is licensed by the Department of Health and H.B. 532	02-21-23 10:02 AM
- 26 -
772Human Services as Family Child Care.
773 429.2.5 R710-8: Utah Administrative Code, R710-8, Day Care Rules, as enacted under
774the authority of the Utah Fire Prevention Board.
775 429.3 Family Day Care.
776 429.3.1 Family Day Care units shall have on each floor occupied by clients, two
777separate means of egress, arranged so that if one is blocked the other will be available.
778 429.3.2 Family Day Care units that are located in the basement or on the second story
779shall be provided with two means of egress, one of which shall discharge directly to the
780outside.
781 429.3.2.1 Residential Certificate Child Care and Licensed Family Child Care with five
782to eight clients in a home, located on the ground level or in a basement, may use an emergency
783escape or rescue window as allowed in IFC, Chapter 10, Section 1030.
784 429.3.3 Family Day Care units shall not be located above the second story.
785 429.3.4 In Family Day Care units, clients under the age of two shall not be located
786above or below the first story.
787 429.3.4.1 Clients under the age of two may be housed above or below the first story
788where there is at least one exit that leads directly to the outside and complies with IFC, Section
7891011 or Section 1012 or Section 1027.
790 429.3.5 Family Day Care units located in split entry/split level type homes in which
791stairs to the lower level and upper level are equal or nearly equal, may have clients housed on
792both levels when approved by the AHJ.
793 429.3.6 Family Day Care units shall have a portable fire extinguisher on each level
794occupied by clients, which shall have a classification of not less than 2A:10BC, and shall be
795serviced in accordance with NFPA, Standard 10, Standard for Portable Fire Extinguishers.
796 429.3.7 Family Day Care units shall have single station smoke detectors in good
797operating condition on each level occupied by clients.  Battery operated smoke detectors shall
798be permitted if the facility demonstrates testing, maintenance, and battery replacement to insure
799continued operation of the smoke detectors.
800 429.3.8 Rooms in Family Day Care units that are provided for clients to sleep or nap,
801shall have at least one window or door approved for emergency escape.
802 429.3.9 Fire drills shall be conducted in Family Day Care units quarterly and shall 02-21-23 10:02 AM	H.B. 532
- 27 -
803include the complete evacuation from the building of all clients and staff.  At least annually, in
804Type I Family Day Care units, the fire drill shall include the actual evacuation using the escape
805or rescue window, if one is used as a substitute for one of the required means of egress.
806 429.4 Day Care Centers.
807 429.4.1 Day Care Centers shall comply with either I-4 requirements or E requirements
808of the IBC, whichever is applicable for the type of Day Care Center.
809 429.4.2 Emergency Evacuation Drills shall be completed as required in IFC, Chapter 4,
810Section 405.
811 429.4.3 Location at grade.  Group E child day care centers shall be located at the level
812of exit discharge.
813 429.4.3.1 Child day care spaces for children over the age of 24 months may be located
814on the second floor of buildings equipped with automatic fire protection throughout and an
815automatic fire alarm system.
816 429.4.4 Egress.  All Group E child day care spaces with an occupant load of more than
81710 shall have a second means of egress.  If the second means of egress is not an exit door
818leading directly to the exterior, the room shall have an emergency escape and rescue window
819complying with Section 1030.
820 429.4.5 All Group E Child Day Care Centers shall comply with Utah Administrative
821Code, R430-100 Child Care Centers, R430-60 Hourly Child Care Centers, and R430-70 Out of
822School Time.
823 429.5 Requirements for all Day Care.
824 429.5.1 Heating equipment in spaces occupied by children shall be provided with
825partitions, screens, or other means to protect children from hot surfaces and open flames.
826 429.5.2 A fire escape plan shall be completed and posted in a conspicuous place.  All
827staff shall be trained on the fire escape plan and procedure."
828 [(8)] (12)  In IBC, Section 504.4, a new section is added as follows: "504.4.1 Group I-2
829Assisted Living Facilities. Notwithstanding the allowable number of stories permitted by Table
830504.4 Group I-2 Assisted Living Facilities of type VA, construction shall be allowed on each
831level of a two-story building when all of the following apply:
832 1. The total combined area of both stories does not exceed the total allowable area for a
833one-story, above grade plane building equipped throughout with an automatic sprinkler system H.B. 532	02-21-23 10:02 AM
- 28 -
834installed in accordance with Section 903.3.1.1.
835 2. All other provisions that apply in Section 407 have been provided."
836 [(9)] (13)  A new IBC, Section 504.5, is added as follows: "504.5 Group 1-2 Secured
837areas in Assisted Living Facilities. In Type IIIB, IV, and V construction, all areas for the use
838and care of residents required to be secured shall be located on the level of exit discharge with
839door operations in compliance with Section [1010.1.9.7, as amended] 1010.2.14."
840 Section 8.  Section 15A-3-104 is amended to read:
841 15A-3-104.  Amendments to Chapters 7 through 9 of IBC.
842 [(1)  In IBC, Section 704.13.2, the following sentence is added to the end of the section:
843"An individual spraying fire-resistant materials may obtain a certificate that demonstrates that
844the individual has undergone training on how to spray fire-resistant materials to manufacturer's
845specifications."]
846 (1)  In IBC, Section 703.5, the words "with signs or stenciling" are deleted.
847 (2)  IBC, Section (F) 902.1, is deleted and replaced with the following: "(F) 902.1
848Pump and riser room size.  Fire pump rooms and automatic sprinkler system riser rooms shall
849be designed with adequate space for all installed equipment necessary for the installation and to
850provide sufficient working [space] room around the stationary equipment.  Clearances around
851equipment to elements of permanent construction, including other installed equipment and
852appliances, shall be [in accordance with manufacturer requirements] sufficient to allow
853inspection, service, repair or replacement without removing such elements of permanent
854construction or disabling the function of a required fire-resistance-rated assembly and not less
855than the following minimum elements:
856 [902.1.5] 902.1.1 A minimum clear and unobstructed distance of 12-inches shall be
857provided from the installed equipment to the elements of permanent construction.
858 [902.1.6] 902.1.2 A minimum clear and unobstructed distance of 12-inches shall be
859provided between all other installed equipment and appliances.
860 [902.1.7] 902.1.3 A clear and unobstructed width of 36-inches shall be provided in
861front of all installed equipment and appliances, to allow for inspection, service, repair or
862replacement without removing such elements of permanent construction or disabling the
863function of a required fire-resistance-rated assembly."
864 [902.1.8  Automatic sprinkler system riser rooms shall be provided with a clear and 02-21-23 10:02 AM	H.B. 532
- 29 -
865unobstructed passageway to the riser room of not less than 36-inches, and openings into the
866room shall be clear and unobstructed, with doors swinging in the outward direction from the
867room and the opening providing a clear width of not less than 34-inches and a clear height of
868the door opening shall not be less than 80-inches.]
869 [902.1.9 Fire pump rooms shall be provided with a clear and unobstructed passageway
870to the fire pump room of not less than 72-inches, and openings into the room shall be clear,
871unobstructed and large enough to allow for the removal of the largest piece of equipment, with
872doors swinging in the outward direction from the room and the opening providing a clear width
873of not less than 68-inches and a clear height of the door opening shall not be less than
87480-inches."]
875 (3)  In IBC, Section 902, new sections are added as follows:
876 "(F) 902.2 fire pump room. Fire pumps and controllers shall be provided with ready
877access. Fire pump rooms shall be provided with doors and an unobstructed passageway large
878enough to allow for the removal of the largest piece of equipment. The passageway shall have a
879clear width not less than 72 inches. Openings into the room shall be clear and unobstructed,
880with doors swinging in the outward direction from the fire pump room and the opening
881providing a clear width of not less than 68 inches and a clear height of the door opening shall
882not be less than 80 inches. The door shall be permitted to be locked provided that the key is
883available at all times and located in a Key Box in accordance with Section 506 of the
884International Fire Code.
885 (F) 902.3 Automatic sprinkler riser room. Automatic sprinkler system risers shall be
886provided with ready access. Automatic sprinkler system riser rooms shall be provided with
887doors and an unobstructed passageway large enough to allow for the removal of the largest
888piece of equipment. The passageway shall have a clear width not less than 36 inches. Openings
889into the room shall be clear and unobstructed, with doors swinging in the outward direction
890from the riser room and the opening providing a clear width of not less than 32 inches and a
891clear height of the door opening shall not be less than 80 inches. The door shall be permitted to
892be locked provided that the key is available at all times and located in a Key Box in accordance
893with Section 506 of the International Fire Code.
894 (F) 902.4 Marking on access doors. Access doors for automatic sprinkler system riser
895rooms and fire pump rooms shall be labeled with an approved sign. The lettering shall be in H.B. 532	02-21-23 10:02 AM
- 30 -
896contrasting color to the background. Letters shall have a minimum height of 2 inches (51 mm)
897with a minimum stroke of 3/8 inch (10 mm).
898 (F) 902.5 Environment. Automatic sprinkler system riser rooms and fire pump rooms
899shall be maintained at a temperature of not less than 40 degrees Fahrenheit (4 degrees Celsius).
900Heating units shall be permanently installed.
901 (F) 902.6 Lighting. Permanently installed artificial illumination shall be provided in the
902automatic sprinkler system riser rooms and fire pump rooms."
903 [(3)] (4)  [In] IBC, Section (F)903.2.2, [the words "the entire floor" are] is deleted and
904replaced with ["a building" and the last paragraph is deleted.] the following:
905 "(F) 903.2.2 Ambulatory care facilities. An automatic sprinkler system shall be installed
906throughout the building containing an ambulatory care facility where either of the following
907conditions exist at any time.
908 1. Four or more care recipients are incapable of self-preservation.
909 2. One or more care recipients that are incapable of self-preservation are located at
910other than the level of exit discharge serving such a facility."
911 [(4)] (5)  IBC, Section (F)903.2.4, condition 2, is deleted and replaced with the
912following: "2.  A Group F-1 fire area is located more than three stories above the lowest level
913of fire department vehicle access."
914 [(5)] (6)  IBC, Section (F)903.2.7, condition 2, is deleted and replaced with the
915following: "2.  A Group M fire area is located more than three stories above the lowest level of
916fire department vehicle access."
917 [(6)  IBC, Sections (F)903.2.8, (F)903.2.8.1, and (F)903.2.8.2, are deleted and replaced
918with the following: "(F)903.2.8 Group R.  An automatic sprinkler system installed in
919accordance with Section 903.3 shall be provided throughout all buildings with a Group R fire
920area.]
921 (7)  In IBC, Section (F)903.2.8, the following exceptions are added:
922 "Exceptions:
923 1.  Detached one- and two-family dwellings and multiple single-family dwellings
924(townhouses) constructed in accordance with the International Residential Code For One- and
925Two-Family Dwellings.
926 2.  Single story Group R-1 occupancies with fire areas not more than 2,000 square feet 02-21-23 10:02 AM	H.B. 532
- 31 -
927that contain no installed plumbing or heating, where no cooking occurs, and constructed of
928Type I-A, I-B, II-A, or II-B construction.["]
929 3. Group R-4 fire areas not more than 4,500 gross square feet and not containing more
930than 16 residents, provided all residents are housed on a level of exit discharge and the building
931is equipped throughout with an approved fire alarm system that is interconnected and receives
932its primary power from the building wiring and a commercial power system."
933 [(7)  IBC, Section (F)903.2.8.3 is renumbered to (F)903.2.8.1 and the following
934exception is added:]
935 ["Exception:  Group R-4 fire areas not more than 4,500 gross square feet and not
936containing more than 16 residents, provided the building is equipped throughout with an
937approved fire alarm system that is interconnected and receives its primary power from the
938building wiring and a commercial power system."]
939 [(8)  IBC, Section (F)903.2.8.4, is deleted.]
940 [(9)] (8)  IBC, Section (F) 903.2.8.1 is deleted.
941 (9)  IBC, Section (F)903.2.9, condition 2, is deleted and replaced with the following: "2. 
942A Group S-1 fire area is located more than three stories above the lowest level of fire
943department vehicle access."
944 [(10)  IBC, Section (F)904.12, is deleted and replaced with the following: "(F)904.12
945Commercial cooking systems.  The automatic fire-extinguishing system for commercial
946cooking systems shall be of a type recognized for protection of commercial cooking equipment
947and exhaust systems.  Pre-engineered automatic extinguishing systems shall be tested in
948accordance with UL 300 and listed and labeled for the intended application.  The system shall
949be installed in accordance with this code, its listing and the manufacturer's installation
950instructions.]
951 [Exception: Factory-built commercial cooking recirculating systems that are tested in
952accordance with UL 710B and listed, labeled, and installed in accordance with Section 304.1 of
953the International Mechanical Code."]
954 [(11)  IBC, Sections (F)904.12.3, (F)904.12.3.1, (F)904.12.4, and (F)904.12.4.1, are
955deleted.]
956 [(12)] (10)  In IBC, Section 905, a new subsection, Section (F)905.3.9, is added as
957follows: H.B. 532	02-21-23 10:02 AM
- 32 -
958 "Open Parking Garages.  Open parking garages shall be equipped with an approved
959Class 1 manual standpipe system when fire department access is not provided for firefighting
960operations to within 150 feet of all portions of the open parking garage as measured from the
961approved fire department vehicle access.  Class 1 manual standpipe shall be accessible
962throughout the parking garage such that all portions of the parking structure are protected
963within 150 feet of a hose connection."
964 [(13)] (11)  In IBC, Section (F)905.8, the exception is deleted and replaced with the
965following:
966 "Exception: Where subject to freezing and approved by the fire code official."
967 [(14)] (12)  In IBC, Section (F)907.2.3 Group E is deleted and rewritten as follows: "A
968manual fire alarm system that initiates the occupant notification signal using an emergency
969voice/alarm communication system that meets the requirements of Section (F) 907.5.2.2, or a
970manual fire alarm system that initiates an approved audible and visual occupant notification
971signal that meets the requirements of Sections (F)907.5.2.1, (F)907.5.2.1.1, [(F)907.5.2.2] (F)
972907.5.2.1.2, and (F)907.5.2.3, and is installed in accordance with Section (F)907.6 shall be
973installed in Group E occupancies. Where automatic fire sprinkler systems or smoke detectors
974are installed, the fire sprinkler systems [or] and smoke detectors shall be connected to the
975building fire alarm system."
976 [(15)  IBC, Sections (F)915 through (F)915.6, are deleted and replaced with the
977following:]
978 ["(F)915 Where required.]
979 [Group I-1, I-2, I-4, and R occupancies located in a building containing a fuel-burning
980appliance or in a building that has an attached garage shall be equipped with single-station
981carbon monoxide alarms.  The carbon monoxide alarms shall be listed as complying with UL
9822034 or UL 2075 and be installed and maintained in accordance with NFPA 720 and the
983manufacturer's instructions.  An open parking garage, as defined in Chapter 2, or an enclosed
984parking garage, ventilated in accordance with Section 404 of the International Mechanical
985Code, shall not be considered an attached garage.  A minimum of one carbon monoxide alarm
986shall be installed on each habitable level.]
987 [(F) 915.1 Interconnection.]
988 [Where more than one carbon monoxide alarm is required to be installed within Group 02-21-23 10:02 AM	H.B. 532
- 33 -
989I-1, I-2, I-4, or R occupancies, the carbon monoxide alarm shall be interconnected in such a
990manner that the activation of one alarm will activate all of the alarms.  Physical interconnection
991of carbon monoxide alarms shall not be required where listed wireless alarms are installed and
992all alarms sound upon activation of one alarm.  The alarm shall be clearly audible in all
993bedrooms over background noise levels with all intervening doors closed.]
994 [(F) 915.2 Power source.]
995 [In new construction, required carbon monoxide alarms shall receive their primary
996power from the building wiring where such wiring is served from a commercial source and
997shall be equipped with a battery backup.  Carbon monoxide alarms with integral strobes that
998are not equipped with a battery backup shall be connected to an emergency electrical system. 
999Carbon monoxide alarms shall emit a signal when the batteries are low.  Wiring shall be
1000permanent and without a disconnecting switch other than as required for overcurrent
1001protection.]
1002 [Exceptions.]
1003 [1. Carbon monoxide alarms are not required to be equipped with a battery backup
1004where they are connected to an emergency electrical system.]
1005 [2. Hard wiring of carbon monoxide alarms in existing areas shall not be required
1006where the alterations or repairs do not result in the removal of interior wall or ceiling finishes
1007exposing the structure, unless there is an attic, crawl space, or basement available that could
1008provide access for hard wiring without the removal of interior finishes.]
1009 [(F) 915.3 Group E.]
1010 [A carbon monoxide detection system shall be installed in new buildings that contain
1011Group E occupancies in accordance with IFC, Chapter 9, Section 915.  A carbon monoxide
1012detection system shall be installed in existing buildings that contain Group E occupancies in
1013accordance with IFC, Chapter 11, Section 1103.9.]
1014 [(F) 915.3.1 Where required.]
1015 [In Group E occupancies, a carbon monoxide detection system shall be provided where
1016a fuel-burning appliance, a fuel-burning fireplace, or a fuel-burning forced air furnace is
1017present.]
1018 [(F) 915.3.2 Detection equipment.]
1019 [Each carbon monoxide detection system shall be installed in accordance with NFPA H.B. 532	02-21-23 10:02 AM
- 34 -
1020720 and the manufacturer's instructions and be listed as complying with, for single station
1021detectors, UL 2034 and, for system detectors, UL 2075.]
1022 [(F) 915.3.3 Locations.]
1023 [Each carbon monoxide detection system shall be installed in the locations specified in
1024NFPA 720.]
1025 [(F) 915.3.4 Combination detectors.]
1026 [A combination carbon monoxide/smoke detector is an acceptable alternative to a
1027carbon monoxide detection system if the combination carbon monoxide/smoke detector is
1028listed in accordance with UL 2075 and UL 268.]
1029 [(F) 915.3.5 Power source.]
1030 [Each carbon monoxide detection system shall receive primary power from the building
1031wiring if the wiring is served from a commercial source.  If primary power is interrupted, each
1032carbon monoxide detection system shall receive power from a battery.  Wiring shall be
1033permanent and without a disconnecting switch other than that required for overcurrent
1034protection.]
1035 [(F) 915.3.6 Maintenance.]
1036 [Each carbon monoxide detection system shall be maintained in accordance with NFPA
1037720.  A carbon monoxide detection system that becomes inoperable or begins to produce end
1038of life signals shall be replaced."]
1039 (13)  In IBC, Section (F) 907.2.3 Group E, Exception 2 is deleted and the remaining
1040exceptions are renumbered.
1041 (14)  In IBC, Section (F) 907.2.3 Group E, renumbered Exception 3.2 is deleted and
1042replaced with the following: "Exception 3.2 The fire alarm system will activate on fire
1043sprinkler waterflow."
1044 (15)  In IBC, Section (F) 907.2.3 Group E, new sections (F) 907.2.3.1 through (F)
1045907.2.3.7 are added as follows:
1046 "(F) 907.2.3.1 Automatic detection devices that detect smoke shall be installed
1047throughout all corridors and spaces open to the corridor at the maximum prescribed spacing of
1048thirty feet on center and no more than fifteen feet from the walls or smoke detectors shall be
1049installed as required in NFPA, Standard 72, Section 17.7.
1050 (F) 907.2.3.2 Where structures are not protected or are partially protected with an 02-21-23 10:02 AM	H.B. 532
- 35 -
1051automatic fire sprinkler system, approved automatic smoke detectors shall be installed in
1052accordance with the complete coverage requirements of NFPA, Standard 72.
1053 (F) 907.2.3.3 An approved key plan drawing and operating instructions shall be posted
1054at the main fire alarm panel which displays the location of all alarm zones and if applicable,
1055device addresses.
1056 (F) 907.2.3.4 The main panel shall be located in a normally attended area such as the
1057main office or lobby. Location of the main panel other than as stated above, shall require the
1058review and authorization of the State Fire Marshal Division. Where location as required above
1059is not possible, an electronically supervised remote annunciator from the main panel shall be
1060located in a supervised area of the building. The remote annunciator shall visually indicate
1061system power status, alarms for each zone, and give both visual and audible indication of
1062trouble conditions in the system. All indicators on both the main panel and remote annunciator
1063shall be adequately labeled.
1064 (F) 907.2.3.5 All system wiring shall be as follows:
1065 (A) The initiating device circuits shall be designated and installed Class A as defined in
1066NFPA, Standard 72.
1067 (B) The notification appliance circuits shall be designated and installed Class A as
1068defined in NFPA, Standard 72.
1069 (C) Signaling line circuits shall be designated and installed Class A loop as defined in
1070NFPA, Standard 72.
1071 (F) 907.2.3.6 Fan Shutdown shall be as follows:
1072 (A) Fan shut down shall be as required in the International Mechanical Code, Chapter
10736, Section 606.
1074 (B) Duct detectors required by the International Mechanical Code, shall be
1075interconnected and compatible with the fire alarm system."
1076 (16)  IBC, Section (F) 915.2.3 Group E occupancies is deleted and replaced with the
1077following:
1078 "(F) 915.2.3 Group E occupancies. Carbon monoxide detectors shall be installed in the
1079following areas within Group E occupancies:
1080 (1) Boiler rooms, furnace rooms, and similar rooms, or in adjacent areas where carbon
1081monoxide is likely to spread. (The installation of carbon monoxide detectors in boiler rooms H.B. 532	02-21-23 10:02 AM
- 36 -
1082and furnace rooms may cause a false alarm problem. Installing these detectors in adjacent
1083spaces where the carbon monoxide is likely to spread from these spaces may be a better
1084option.)
1085 (2) Home economics rooms with gas appliances.
1086 (3) School kitchens with gas appliances. (Commercial kitchens).
1087 (4) Arts rooms and other areas with a gas kiln or open flame.
1088 (5) Gas roof top units, and other carbon monoxide producing HVAC units, one per
1089zone. (The zone shall be the area covered by the HVAC unit.)
1090 (6) In areas with gas wall units.
1091 (7) In areas with a gas water heater or boiler.
1092 (8) Areas with a forge or foundry.
1093 (9) Metal shop or auto shop areas or in adjacent areas where carbon monoxide is likely
1094to spread. (The installation of carbon monoxide detectors in metal shop or auto shop areas may
1095cause a false alarm problem. Installing these detectors in adjacent spaces, i.e. class rooms or
1096corridors, where the carbon monoxide is likely to spread from these spaces may be a better
1097option.)
1098 (10) Labs with open flame.
1099 (11) HVAC units drawing outside air that could be contaminated with carbon
1100monoxide.
1101 (12) Other areas with an open flame or fuel fired appliance.
1102 (F) 915.2.3.1 Carbon monoxide alarm signals shall be automatically transmitted to an
1103onsite location that is staffed by school personnel.
1104 Exception: Carbon monoxide alarm signals shall not be required to be automatically
1105transmitted to an onsite location that is staffed by school personnel in Group E occupancies
1106with an occupant load of 30 or less."
1107 (17)  A new IBC, Section (F) 915.7 is added as follows:
1108 "(F) 915.7 Carbon monoxide systems in Group E occupancies. Carbon monoxide
1109systems may be part of a fire alarm system or standalone system.
1110 (F) 915.7.1 Power and wiring.
1111 (F) 915.7.1.1 Power. Carbon monoxide detection systems shall require a primary and
1112secondary power source. 02-21-23 10:02 AM	H.B. 532
- 37 -
1113 (F) 915.7.1.2 Wiring. Class "A" wiring is required when the carbon monoxide system is
1114part of, or connected to, a fire alarm system. Standalone carbon monoxide detection systems
1115may use Class "B" wiring. All wiring shall be Class "A" or "B."
1116 (F) 915.7.2 Equipment shut down. Equipment and appliances that are producing carbon
1117monoxide shall shut down automatically in the zone involved upon carbon monoxide system
1118activation.
1119 (F) 915.7.3 Notification.
1120 (F) 915.7.3.1 Local alarm. Each occupied space shall sound an audible alarm when
1121detecting carbon monoxide at a level in excess of 70 ppm for one hour.
1122 (F) 915.7.3.2 General alarm. A blue strobe, visual alarm, is required in a normally
1123occupied location, similar to the administrative offices, when carbon monoxide is detected in
1124the facility in excess of 70 ppm for one hour.
1125 (F) 915.7.3.2.1 The general alarm shall require a manual reset following an alarm
1126activation.
1127 (F) 915.7.3.3 Digital notification. Portable carbon monoxide detectors, with digital read
1128out indicating parts per million of carbon monoxide, in a space to determine the level of hazard
1129in a given space.
1130 (F) 915.7.4 Monitoring. System monitoring is not required. If the system is monitored,
1131the signal should be a supervisory signal indicating carbon monoxide.
1132 (F) 915.7.5 Inspection.
1133 (F) 915.7.5.1 The carbon monoxide detection system shall be tested in the presence of a
1134Deputy or Special Deputy of the State Fire Marshal Division. The Deputy shall require "spot
1135testing" of the system and its components.
1136 (F) 915.7.5.2 Before requesting final inspection and approval, the installing contractor
1137shall test each component of the system and issue a statement of compliance, in writing, to the
1138State Fire Marshal Division that the carbon monoxide detection system has been installed in
1139accordance with approved plans and has been tested in accordance with the manufacturer's
1140specifications, and the appropriate installation standard.
1141 (F) 915.7.5.3 Systems shall be tagged with the State approved tag for fire alarm
1142systems, upon final approval and shall be inspected and tagged annually by an individual
1143certified as a Master Fire Alarm Technician, by the State Fire Marshal Division. H.B. 532	02-21-23 10:02 AM
- 38 -
1144 (F) 915.7.6 Evacuation. The affected area within Group E occupancies shall be
1145evacuated when carbon monoxide is detected at a level in excess of 70 ppm for one hour in that
1146area."
1147 Section 9.  Section 15A-3-105 is amended to read:
1148 15A-3-105.  Amendments to Chapters 10 through 12 of IBC.
1149 [(1)  In IBC, Section 1010.1.9, an exception is added as follows: "Exception: Group E
1150occupancies for purposes of a lockdown or a lockdown drill in accordance with Section
11511010.1.9.5 Exception 5."]
1152 [(2)  In IBC, Section 1010.1.9.2, "Exception:" is deleted and replaced with "Exceptions:
11531."]
1154 [(3)  In IBC, Section 1010.1.9.2, a new exception 2 is added as follows: "2. Group E
1155occupancies for purposes of a lockdown or a lockdown drill may have one lock below 34
1156inches in accordance with Section 1010.1.9.5 Exception 5."]
1157 [(4)  In IBC, Section 1010.1.9.4, a new number 7 is added as follows: " 7. Group E
1158occupancies for purposes of a lockdown or a lockdown drill in accordance with Section
11591010.1.9.5 Exception 5."]
1160 [(5)  In IBC, Section 1010.1.9.5, a new exception 6 is added as follows: "6. Group E
1161occupancies for purposes of a lockdown or a lockdown drill in accordance with Section
11621010.1.9.5 Exception 5."]
1163 [(6)  In IBC, Section 1010.1.9.6, a new exception 5 is added as follows: "5. Group E
1164occupancies may have a second lock on classrooms for purposes of a lockdown or lockdown
1165drill, if:]
1166 [5.1 The application of the lock is approved by the code official.]
1167 [5.2 The unlatching of any door or leaf does not require more than two operations.]
1168 [5.3 The lock can be released from the opposite side of the door on which it is
1169installed.]
1170 [5.4 The lock is only applied during lockdown or during a lockdown drill.]
1171 [5.5  The lock complies with all other state and federal regulations, including the
1172Americans with Disabilities Act of 1990, 42 U.S.C. Sec. 12101 et seq."]
1173 [(7)  In IBC, Section 1010.1.9.7, a new number 9 is added as follows: " 9.  The secure
1174area or unit with special egress locks shall be located at the level of exit discharge in Type IIIB, 02-21-23 10:02 AM	H.B. 532
- 39 -
1175IV, and V construction."]
1176 [(8)] (1)  In IBC, Section 1011.5.2, exception 3 is deleted and replaced with the
1177following: " 3.  In Group R-3 occupancies, within dwelling units in Group R-2 occupancies,
1178and in Group U occupancies that are accessory to a Group R-3 occupancy, or accessory to
1179individual dwelling units in Group R-2 occupancies, the maximum riser height shall be 8
1180inches (203 mm) and the minimum tread depth shall be 9 inches (229 mm).  The minimum
1181winder tread depth at the walk line shall be 10 inches (254 mm), and the minimum winder
1182tread depth shall be 6 inches (152 mm).  A nosing not less than 0.75 inch (19.1 mm) but not
1183more than 1.25 inches (32 mm) shall be provided on stairways with solid risers where the tread
1184depth is less than 10 inches (254 mm)."
1185 [(9)] (2)  In IBC, Section 1011.11, a new exception [5] 6 is added as follows: " [5] 6.  In
1186occupancies in Group R-3, as applicable in Section 101.2 and in occupancies in Group U,
1187which are accessory to an occupancy in Group R-3, as applicable in Section 101.2, handrails
1188shall be provided on at least one side of stairways consisting of four or more risers."
1189 [(10)  In IBC, Section 1013.5, the words ", including when the building may not be
1190fully occupied" are added at the end of the sentence.]
1191 [(11)] (3)  IBC, Section 1025, is deleted.
1192 [(12)  In IBC, Section 1029.15, exception 2 is deleted.]
1193 [(13)  In IBC, Section 1207.4, subparagraph 1 is deleted and replaced with the
1194following: "1.  The unit shall have a living room of not less than 165 square feet (15.3 m2) of
1195floor area.  An additional 100 square feet (9.3 m2) of floor area shall be provided for each
1196occupant of such unit in excess of two."]
1197 Section 10.  Section 15A-3-107 is amended to read:
1198 15A-3-107.  Amendments to Chapter 16 of IBC.
1199 (1)  In IBC, Table 1604.5, Risk Category III, in the sentence that begins "Group I-2
1200Condition 1," a new footnote c is added as follows: "c.  Type II Assisted Living Facilities that
1201are I-2 Condition 1 occupancy classifications in accordance with Section 308 shall be Risk
1202Category II in this table."
1203 (2)  In IBC, Section 1605.1, Exception 2 is deleted and replaced with the following:
1204 "2.  Where the allowable stress design load combinations of ASCE 7 Section 2.4 are
1205used, flat roof snow loads of 30 pounds per square foot (1.44kN/m2) or less and roof live loads H.B. 532	02-21-23 10:02 AM
- 40 -
1206of 30 pounds per square foot (1.44kn/m2) or less need not be combined with seismic loads.
1207Where flat roof snow loads exceed 30 pounds per square foot (1.44 kN/m2), the snow loads
1208may be reduced in accordance with the following in load combinations including both snow
1209and seismic loads. S as calculated below, shall be combined with seismic loads.
1210 S = (0.20 + 0.025 (A-5))Proof, where S shall be greater than or equal to 0.20Proof.
1211 Where:
1212 S = Weight of snow to be used in combination with seismic loads.
1213 A = Elevation above sea level at the location of the structure (ft/1,000)
1214 Proof = Design roof snow loads, Pf or Ps, psf
1215 For the purpose of this section, snow load shall be assumed uniform on the horizontal
1216projection without including the effects of drift or sliding. The Importance Factor, I, used in
1217calculating Pf may be considered 1.0."
1218 (3)  In IBC, Section 1605.1 a new exception 4 is added as follows:
1219 "4.  ASCE 7-16 Section 2.3.6 Equation 6 shall be modified to 1.2D + Ev + Eh + L +f2S
1220and 1.2D + Ev + Emh + L +f2S with f2 = (0.20 +0.025(A-5)) where the roof snow load
1221exceeds 30 pounds per square foot (1.44kN/m2). Where A = Elevation above sea level at the
1222location of the structure (ft/1000). f2 = 0 for roof snow loads of 30 pounds per square foot
1223(1.44kN/m2) or less."
1224 [(2)  In IBC, Section 1605.2, in the portion of the definition for the value of f2, the
1225words "and 0.2 for other roof configurations" are deleted and replaced with the following: "f2 =
12260.20 + .025(A-5) for other configurations where roof snow load exceeds 30 psf;]
1227 [f2 = 0 for roof snow loads of 30 psf (1.44kN/m2) or less.]
1228 [Where A = Elevation above sea level at the location of the structure (ft./1,000)." (3)  In
1229IBC, Sections 1605.3.1 and 1605.3.2, exception 2 in each section is deleted and replaced with
1230the following: "2.  Flat roof snow loads of 30 pounds per square foot (1.44 kNm2) or less need
1231not be combined with seismic loads.  Where flat roof snow loads exceed 30 pounds per square
1232foot (1.44 kNm2), the snow loads may be reduced in accordance with the following in load
1233combinations including both snow and seismic loads. S as calculated below, shall be combined
1234with seismic loads.]
1235 [S = (0.20 + 0.025(A-5))Pf is greater than or equal to 0.20 Pf.]
1236 [Where:] 02-21-23 10:02 AM	H.B. 532
- 41 -
1237 [S = Weight of snow to be used in combination with seismic loads]
1238 [A = Elevation above sea level at the location of the structure (ft./1,000)]
1239 [Pf = Design roof snow load, psf.]
1240 [For the purpose of this section, snow load shall be assumed uniform on the roof
1241footprint without including the effects of drift or sliding.  The Importance Factor, I, used in
1242calculating Pf may be considered 1.0 for use in the formula for Ws".]
1243 (4)  IBC, Section 1608.1, is deleted and replaced with the following: "1608.1 General.
1244Except as modified in Sections 1608.1.1[,] and 1608.1.2[, and 1608.1.3], design snow loads
1245shall be determined in accordance with Chapter 7 of ASCE 7, but the design roof load shall not
1246be less than that determined by Section 1607. Where the minimum live load, in accordance
1247with Section 1607, is greater than the design roof snow load[, pf], the live load shall be used
1248for design, but it may not be reduced to a load lower than the design roof snow load. Drifting
1249need not be considered for design roof snow loads[, pf], less than 20 psf."
1250 (5)  A new IBC, Section 1608.1.1, is added as follows: "1608.1.1 Ice dams and icicles
1251along eaves. Section 7.4.5 of Chapter 7 of ASCE 7 referenced in IBC Section 1608.1 is deleted
1252and replaced with the following: 7.4.5 Ice Dams and Icicles Along Eaves.  Where ground snow
1253loads exceed 75 psf, eaves shall be capable of sustaining a uniformly distributed load of 2pf on
1254all overhanging portions.  No other loads except dead loads shall be present on the roof when
1255this uniformly distributed load is applied.  All building exits under down-slope eaves shall be
1256protected from sliding snow and ice."
1257 [(6)  A new IBC, Section 1608.1.2, is added as follows: "1608.1.2 Thermal factor. The
1258value for the thermal factor, Ct, used in calculation of pf shall be determined from Table 7.3-2
1259in ASCE 7. Exception: Except for unheated structures, the value of Ct need not exceed 1.0
1260when ground snow load, pg, is calculated using Section 1608.2.1."]
1261 [(7)] (6)  A new [IBC, Section 1608.1.3] IBC, Section 1608.1.2 is added as follows:
1262["1608.1.3] "1608.1.2 Drifts on adjacent structures. Section 7.7.2 of ASCE 7 referenced in
1263IBC, Section 1608.1, is deleted and replaced with the following: 7.7.2 Adjacent structures. At
1264lower adjacent structures, the requirements of Section 7.7.1 shall be used to calculate windward
1265and leeward drifts. The resulting drift is permitted to be truncated."
1266 [(8)] (7)  A new IBC, Section 1608.2.1 is added as follows: "1608.2.1 Utah ground
1267snow loads. Section 7.2 of ASCE 7 referenced in IBC, Section 1608.1 is modified as follows: H.B. 532	02-21-23 10:02 AM
- 42 -
1268 (a)  In paragraph 1, 7.2-8 is deleted and replaced with 7.2-9.
1269 (b)  On Figure 7.2-1, remove CS and other ground snow load values in the state of
1270Utah. Add red shaded region for the state of Utah with the following note: See note for Utah.
1271 (c)  The following is added to the Note on Figure 7.2.1: See Table 7.2-9 for Utah.
1272 (d)  Add Table [7-2.9] 7.2-9 as follows:
1273 	TABLE 7.2-9
1274 GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH
1275 City/Town County Ground Snow Load (lb/ft2)Elevation (ft)
1276 Beaver Beaver 35	5886
1277 Brigham City Box Elder 42	4423
1278 Castle Dale Emery 32	5669
1279 Coalville Summit 57	5581
1280 Duchesne Duchesne 39	5508
1281 Farmington Davis 35	4318
1282 Fillmore Millard 30	5138
1283 Heber City Wasatch 60	5604
1284 Junction Piute 27	6030
1285 Kanab Kane 25	4964
1286 Loa	Wayne 37	7060
1287 Logan Cache 43	4531
1288 Manila Daggett 26	6368
1289 Manti Sanpete 37	5620
1290 Moab	Grand 21	4029
1291 Monticello San Juan 67	7064
1292 Morgan Morgan 52	5062
1293 Nephi Juab 39	5131
1294 Ogden Weber 37	4334
1295 Panguitch Garfield 41	6630
1296 Parowan Iron 32	6007 02-21-23 10:02 AM	H.B. 532
- 43 -
1297 Price Carbon 31	5558
1298 Provo Utah 31	4541
1299 Randolph Rich 50	6286
1300 Richfield Sevier 27	5338
1301 St. George Washington 21	2585
1302 Salt Lake City Salt Lake 28	4239
1303 Tooele Tooele 35	5029
1304 Vernal Uintah 39	5384
1305 
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."
1306 [(9)] (8)  A new IBC, Section 1613.1.1, is added as follows: "1613.1.1 Effective
1307Seismic Weight. In ASCE 12.7.2 and 12.14.8.1 as referenced in Section 1613.1, Definition of
1308W, Item 4 is deleted and replaced with the following:
1309 4.  Where flat roof snow load, Pf, exceeds 30 psf (1.44 kN/m2), the snow load included
1310in the effective seismic weight shall be calculated, in accordance with the following equation:
1311Ws = (0.20 + 0.025(A-5))Pf >= 0.20 Pf.
1312 WHERE:
1313 Ws = Weight of snow to be included as effective seismic weight
1314 A = Elevation above sea level at the location of the structure (ft./1,000)
1315 Pf = Design flat roof snow load, psf.
1316 For the purposes of this section, snow load shall be assumed uniform on the [roof
1317footprint] horizontal projection without including the effects of drift or sliding.  The
1318Importance Factor, Is, used in calculating Pf may be considered 1.0 for use in the formula for H.B. 532	02-21-23 10:02 AM
- 44 -
1319Ws."
1320 Section 11.  Section 15A-3-108 is amended to read:
1321 15A-3-108.  Amendments to Chapters 17 through 19 of IBC.
1322 (1)  A new IBC, Section 1807.1.6.4, is added as follows: "1807.1.6.4 Empirical
1323concrete foundation design.  Group R, Division 3 Occupancies three stories or less in height,
1324and Group U Occupancies, which are constructed in accordance with Section 2308, or with
1325other methods employing repetitive wood-frame construction or repetitive cold-formed steel
1326structural member construction, shall be permitted to have concrete foundations constructed in
1327accordance with Table 1807.1.6.4."
1328 (2)  A new IBC, Table 1807.1.6.4 is added as follows:
1329 	"TABLE 1807.1.6.4
1330 	EMPIRICAL FOUNDATION WALLS (1,7,8)
1331 
Max. Height Top Edge
Support
Min.
Thickness
Vertical
Steel (2)
Horizontal
Steel (3)
Steel at
Openings (4)
Max. Lintel
Length
Min. Lintel
Length
1332 
2'(610 mm) None 6" (5) 2- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
2'(610 mm) 2" for each foot
of opening
width;
min. 6"
1333 
3'(914 mm) None 6" #4@32" 3- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
2'(610 mm) 2" for each foot
of opening
width;
min. 6"
1334 
4'(1,219 mm) None 6" #4@32" 4- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
3'(914 mm) 2" for each foot
of opening
width;
min. 6"
1335 
6'(1,829 mm) Floor or roof
Diaphragm
(6)
8" #4@24" 5- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
6'(1,829 mm) 2" for each foot
of opening
width;
min. 6"
1336 
8'(2,438 mm) Floor or roof
Diaphragm
(6)
8" #4@24" 6- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
6'(1,829 mm) 2" for each foot
of opening
width;
min. 6"
1337 
9'(2,743 mm) Floor or roof
Diaphragm
(6)
8" #4@16" 7- #4 Bars 2- #4 Bars above
1- #4 Bar each side
1- #4 Bar below
6'(1,829 mm) 2" for each foot
of opening
width;
min. 6" 02-21-23 10:02 AM	H.B. 532
- 45 -
1338 Over 9'(2,743 mm), Engineering required for each column
1339 Footnotes:
1340 (1)  Based on 3,000 psi (20.6 Mpa) concrete and 60,000 psi (414 Mpa) reinforcing steel.
1341 
(2)  To be placed in the center of the wall, and extended from the footing to within three
inches (76 mm) of the top of the wall; dowels of #4 bars to match vertical steel placement
shall be provided in the footing, extending 24 inches (610 mm) into the foundation wall.
1342 
(3)  One bar shall be located in the top four inches (102 mm), one bar in the bottom four
inches (102 mm) and the other bars equally spaced between.  Such bar placement satisfies the
requirements of Section [1805.9] 1808.8.6.  Corner reinforcing shall be provided so as to lap
24 inches (610 mm).
1343 
(4)  Bars shall be placed within two inches (51 mm) of the openings and extend 24 inches
(610 mm) beyond the edge of the opening; vertical bars may terminate three inches (76 mm)
from the top of the concrete.
1344 
(5)  Dowels of #4 bar at 32 inches on center shall be provided in the footing, extending 18
inches (457 mm) into the foundation wall.
1345 (6)  Diaphragm shall conform to the requirements of Section 2308.
1346 (7)  Footing shall be a minimum of nine inches thick by 20 inches wide.
1347 
(8)  Soil backfill shall be soil classification types GW, GP, SW, or SP, per Table 1610.1.  Soil
shall not be submerged or saturated in groundwater."
1348 (3)  A new IBC, Section 1905.1.9, is added as follows: "1905.1.9 ACI 318, [Table
13494.2.1] Section 19.3.1.1." Modify ACI 318, Table 19.3.1.1 to read as follows: In the portion of
1350the table designated as ["Conditions] "Conditions", the following Exposure category and class
1351is deleted and replaced with the following:
1352 "F0: Concrete elements not exposed to freezing and thawing cycles [to include]
1353including footing [and foundation] elements, such as footings, tie beams, piles, and pile caps,
1354etc., that are completely buried in soil."
1355 Section 12.  Section 15A-3-112 is amended to read:
1356 15A-3-112.  Amendments to Chapters 29 through 31 of IBC.
1357 (1)  In IBC [P] Table 2902.1 the following changes are made:
1358 (a)  In the row for "E" occupancy in the field for "OTHER" a new footnote i is added. H.B. 532	02-21-23 10:02 AM
- 46 -
1359 (b)  In the row for "I-4" occupancy in the field for "OTHER" a new footnote i is added.
1360 (c)  A new footnote [h] g is added as follows: "FOOTNOTE: g.  When provided,
1361subject to footnote i,  in public toilet facilities there shall be an equal number of diaper
1362changing facilities in male toilet rooms and female toilet rooms."
1363 (d)  A new footnote h is added to the table as follows: "FOOTNOTE h: Non-residential
1364child care facilities shall comply with additional sink requirements of Utah Administrative
1365Code, R381-60-9, Hourly Child Care Centers, R381-70-9, Out of School Time Child Care
1366Programs, and R381-100-9, Child Care Centers."
1367 (e)  A new footnote i is added to the table as follows: "FOOTNOTE i: A building
1368owned by a state government entity or by a political subdivision of the state that allows access
1369to the public shall provide diaper changing facilities in accordance with footnote [h] g if:
1370 1.  the building is newly constructed; or
1371 2.  a bathroom in the building is renovated."
1372 (f)  Footnote f is deleted and replaced with the following: "FOOTNOTE f: The required
1373number and type of plumbing fixtures for outdoor public swimming pools shall be in
1374accordance with Utah Administrative Code, R392-302, Design, Construction and Operation of
1375Public Pools."
1376 (2)  In IBC, Section [P] 2902.1.1, Exception 2 is deleted and replaced with the
1377following:
1378 "2. Where multiple-user facilities are designed to serve all genders the following shall
1379apply:
1380 2.1 The maximum fixture count to serve all genders shall be calculated at 50 percent of
1381the total occupant load. The maximum fixture count for the multiple-user all gender facility
1382shall be calculated at 50 percent female and 50 percent male.
1383 2.2 The remaining 50 percent of the required restroom fixtures shall be provided as
1384required by Table 2902.1 in separate toilet facilities."
1385 (3)  In IBC, Section [P] 2902.2, Exception 6 is deleted and replaced with the following:
1386 "6. Separate facilities shall not be required as prescribed in Section 2902.1.1 Exception
13872. Rooms having both water closets and lavatory fixtures designed for use by all genders and
1388privacy for water closets shall be installed in accordance with Section 405.3.4 of the
1389International Plumbing Code and Section 2903.1.4 of this code. Urinals in multiple-user all 02-21-23 10:02 AM	H.B. 532
- 47 -
1390gender toilet facilities shall be located in an area visually separated from the remainder of the
1391facility or each urinal that is provided shall be located in a stall and installed in accordance with
1392Section 405.3.5 of the International Plumbing Code and Section 2903.1.5 of this code."
1393 [(2)] (4)  A new IBC, Section [P]2902[.7].8, is added as follows:
1394 "[P]2902[.7].8 Toilet Facilities for Workers.
1395 Toilet facilities shall be provided for construction workers and such facilities shall be
1396maintained in a sanitary condition.  Construction worker toilet facilities of the nonsewer type
1397shall conform to ANSI Z4.3-2016."
1398 (5)  In IBC, Section [P] 2903.1.4, the following sentence is added after the first
1399sentence: "For restroom facilities designed to serve all genders, the partitions of the stalls shall
1400extend from the floor to the ceiling."
1401 (6)  In IBC, Section [P] 2903.1.5, the following sentence is added at the end of the
1402paragraph: "For facilities designed for use by all genders in the same room, urinals shall be
1403located in a separate room or in stalls with partitions that extend from the floor to the ceiling.
1404 [(3)] (7)  IBC, Section 3001.2, is deleted.
1405 [(4)] (8)  In [IBC, Section 3006.5] IBC, Section 3005.5, a new exception is added as
1406follows: "Exception: Hydraulic elevators and roped hydraulic elevators with a rise of 50 feet or
1407less."
1408 [(5)] (9)  In IBC, Section 3109.1, the words "the International Swimming Pool and Spa
1409Code" at the end of the section are deleted and replaced with the words "Utah Administrative
1410Code, R392-302, Design, Construction and Operation of Public Pools."
1411 Section 13.  Section 15A-3-202 is amended to read:
1412 15A-3-202.  Amendments to Chapters 1 through 5 of IRC.
1413 (1)  In IRC, Section R101.2, Exception, the words "where provided with an automatic
1414sprinkler system complying with Section P2904" are deleted.
1415 (2)  In IRC, Section R102, a new Section R102.7.2 is added as follows: "R102.7.2
1416Physical change for bedroom window egress.  A structure whose egress window in an existing
1417bedroom is smaller than required by this code, and that complied with the construction code in
1418effect at the time that the bedroom was finished, is not required to undergo a physical change to
1419conform to this code if the change would compromise the structural integrity of the structure or
1420could not be completed in accordance with other applicable requirements of this code, H.B. 532	02-21-23 10:02 AM
- 48 -
1421including setback and window well requirements."
1422 (3)  IRC, Section R105.2, number 10, is deleted and replaced with the following: "10. 
1423Decks that are not more than 30 inches (762 mm) above grade at any point and not requiring
1424guardrails, that do not serve the exit door required by Section R311.4."
1425 [(2)] (4)  In IRC, Section R108.3, the following sentence is added at the end of the
1426section: "The building official shall not request proprietary information."
1427 [(3)  In IRC, Section 109:(a)  A new]
1428 (5)  IRC, Section 109.1.5, is [added as follows] deleted and replaced with the following:
1429"R109.1.5 Weather-resistant exterior wall envelope inspections.  An inspection shall be made
1430of the weather-resistant exterior wall envelope as required by Section R703.1 and flashings as
1431required by Section [R703.8] R703.4 to prevent water from entering the weather-resistive
1432barrier."
1433 [(b)  The remaining sections are renumbered as follows: R109.1.6 Other inspections;
1434R109.1.6.1 Fire- and smoke-resistance-rated construction inspection; R109.1.6.2 Reinforced
1435masonry, insulating concrete form (ICF) and conventionally formed concrete wall inspection;
1436and R109.1.7 Final inspection.]
1437 [(4)  IRC, Section R114.1, is deleted and replaced with the following: "R114.1 Notice
1438to owner.  Upon notice from the building official that work on any building or structure is
1439being prosecuted contrary to the provisions of this code or other pertinent laws or ordinances or
1440in an unsafe and dangerous manner, such work shall be immediately stopped.  The stop work
1441order shall be in writing and shall be given to the owner of the property involved, or to the
1442owner's agent or to the person doing the work; and shall state the conditions under which work
1443will be permitted to resume."]
1444 [(5)] (6)  In IRC, Section R202, the following definition is added: "ACCESSORY
1445DWELLING UNIT: A habitable living unit created within the existing footprint of a primary
1446owner-occupied single-family dwelling."
1447 (7)  In IRC, Section R202, the definition for "Approved" is modified by adding the
1448words "or independent third-party licensed engineer or architect and submitted to the building
1449official" after the word "official."
1450 (8)  In IRC, Section R202, the definition for "Approved Agency" is modified by
1451replacing the word "and" with "or." 02-21-23 10:02 AM	H.B. 532
- 49 -
1452 (9)  In IRC, Section 202, the definition for "Approved Source" is modified by adding
1453the words "or licensed engineer or architect" after the word "official."
1454 [(6)] (10)  In IRC, Section R202, the following definition is added: "CERTIFIED
1455BACKFLOW PREVENTER ASSEMBLY TESTER: A person who has shown competence to
1456test Backflow prevention assemblies to the satisfaction of the authority having jurisdiction
1457under Utah Code, Subsection 19-4-104(4)."
1458 [(7)] (11)  In IRC, Section R202, the definition of "Cross Connection" is deleted and
1459replaced with the following: "CROSS CONNECTION.  Any physical connection or potential
1460connection or arrangement between two otherwise separate piping systems, one of which
1461contains potable water and the other either water of unknown or questionable safety or steam,
1462gas, or chemical, whereby there exists the possibility for flow from one system to the other,
1463with the direction of flow depending on the pressure differential between the two systems (see
1464"Backflow, Water Distribution")."
1465 (12)  In IRC, Section 202, the following definition is added: "DUAL SOURCE
1466CONNECTION. A pipe that is installed so that either the nonpotable (i.e. secondary) irrigation
1467water or the potable water is connected to a pressurized irrigation system at one time, but not
1468both at the same time; or a pipe that is installed so that either the potable water or private well
1469water is connected to a residence at one time, but not both at the same time. The potable water
1470supply line shall be protected by a reduced pressure backflow preventer."
1471 [(8)] (13)  In IRC, Section 202, the following definition is added: "ENERGY
1472STORAGE SYSTEM (ESS). One or more devices, assembled together, that are capable of
1473storing energy for supplying electrical energy at a future time."
1474 [(9)] (14)  In IRC, Section 202, in the definition for gray water a comma is inserted
1475after the word "washers"; the word "and" is deleted; and the following is added to the end: "and
1476clear water wastes which have a pH of 6.0 to 9.0; are non-flammable; non-combustible;
1477without objectionable odors; non-highly pigmented; and will not interfere with the operation of
1478the sewer treatment facility."
1479 [(10)] (15)  In IRC, Section R202, the definition of "Potable Water" is deleted and
1480replaced with the following: "POTABLE WATER.  Water free from impurities present in
1481amounts sufficient to cause disease or harmful physiological effects and conforming to the
1482Utah Code, Title 19, Chapter 4, Safe Drinking Water Act, and Title 19, Chapter 5, Water H.B. 532	02-21-23 10:02 AM
- 50 -
1483Quality Act, and the regulations of the public health authority having jurisdiction."
1484 [(11)] (16)  IRC, Figure R301.2[(5),] (3), is deleted and replaced with R301.2[(5)] (3)
1485as follows:
1486 	"TABLE R301.2[(5)] (3)
1487 GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH
1488 City/Town County Ground Snow Load (lb/ft2)Elevation (ft)
1489 Beaver Beaver 35	5886
1490 Brigham City Box Elder 42	4423
1491 Castle Dale Emery 32	5669
1492 Coalville Summit 57	5581
1493 Duchesne Duchesne 39	5508
1494 Farmington Davis 35	4318
1495 Fillmore Millard 30	5138
1496 Heber City Wasatch 60	5604
1497 Junction Piute 27	6030
1498 Kanab Kane 25	4964
1499 Loa	Wayne 37	7060
1500 Logan Cache 43	4531
1501 Manila Daggett 26	6368
1502 Manti Sanpete 37	5620
1503 Moab	Grand 21	4029
1504 Monticello San Juan 67	7064
1505 Morgan Morgan 52	5062
1506 Nephi Juab 39	5131
1507 Ogden Weber 37	4334
1508 Panguitch Garfield 41	6630
1509 Parowan Iron 32	6007
1510 Price Carbon 31	5558
1511 Provo Utah 31	4541 02-21-23 10:02 AM	H.B. 532
- 51 -
1512 Randolph Rich 50	6286
1513 Richfield Sevier 27	5338
1514 St. George Washington 21	2585
1515 Salt Lake City Salt Lake 28	4239
1516 Tooele Tooele 35	5029
1517 Vernal Uintah 39	5384
1518 
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."
1519 [(12)] (17)  IRC, Section R301.6, is deleted and replaced with the following: "R301.6
1520Utah Snow Loads.  The snow loads specified in Table R301.2(5b) shall be used for the
1521jurisdictions identified in that table.  Otherwise, for other locations in Utah, see Bean, B.,
1522Maguire, M., Sun, Y. (2018), "The Utah Snow Load Study," Utah State University Civil and
1523Environmental Engineering Faculty Publications, Paper 3589, http://utahsnowload.usu.edu/, for
1524ground snow load values."
1525 [(13)] (18)  In IRC, Section R302.2, the following sentence is added [after the second
1526sentence] at the end of the paragraph: "When an access/maintenance agreement or easement is
1527in place, plumbing, mechanical ducting, schedule 40 steel gas pipe, and electric service
1528conductors including feeders, are permitted to penetrate the common wall at grade, above
1529grade, or below grade."
1530 [(14)] (19)  In IRC, Section R302.3, a new exception 3 is added as follows: "3.
1531Accessory dwelling units separated by walls or floor assemblies protected by not less than
15321/2-inch (12.7 mm) gypsum board or equivalent on each side of the wall or bottom of the floor
1533assembly are exempt from the requirements of this section." H.B. 532	02-21-23 10:02 AM
- 52 -
1534 [(15)] (20)  In IRC, Section R302.5.1, the [words "self-closing device" are deleted and
1535replaced with "self-latching hardware."] last sentence is deleted.
1536 [(16)] (21)  IRC, Section R302.13, is deleted.
1537 [(17)] (22)  In IRC, Section R303.4, the [number "5" is changed to "3" in the first
1538sentence] following exception is added. "Exception: Dwelling units tested in accordance with
1539Section N1102.4.1.2 (R402.4.1.2) which has an air tightness of 3.0 ACH (50) or greater do not
1540require mechanical ventilation."
1541 [(18)] (23)  In IRC, Section [R310.6] R310.7, in the exception, the words "or accessory
1542dwelling units" are added after the words "sleeping rooms".
1543 [(19)] (24)  IRC, Sections [R311.7.4] R311.7.45 through R311.7.5.3, are deleted and
1544replaced with the following: ["R311.7.4] "R311.7.45.1 Stair treads and risers. R311.7.5.1
1545Riser height.  The maximum riser height shall be 8 inches (203 mm).  The riser shall be
1546measured vertically between leading edges of the adjacent treads.  The greatest riser height
1547within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).
1548 R311.7.5.2 Tread depth.  The minimum tread depth shall be 9 inches (228 mm).  The
1549tread depth shall be measured horizontally between the vertical planes of the foremost
1550projection of adjacent treads and at a right angle to the tread's leading edge.  The greatest tread
1551depth within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm). 
1552Winder treads shall have a minimum tread depth of 10 inches (254 mm) measured as above at
1553a point 12 inches (305 mm) from the side where the treads are narrower.  Winder treads shall
1554have a minimum tread depth of 6 inches (152 mm) at any point.  Within any flight of stairs, the
1555greatest winder tread depth at the 12-inch (305 mm) walk line shall not exceed the smallest by
1556more than 3/8 inch (9.5 mm).
1557 R311.7.5.3 [Profile] Nosing.  The radius of curvature at the leading edge of the tread
1558shall be no greater than 9/16 inch (14.3 mm).  A nosing not less than 3/4 inch (19 mm) but not
1559more than 1 1/4 inches (32 mm) shall be provided on stairways with solid risers.  The greatest
1560nosing projection shall not exceed the smallest nosing projection by more than 3/8 inch (9.5
1561mm) between two stories, including the nosing at the level of floors and landings.  Beveling of
1562nosing shall not exceed 1/2 inch (12.7 mm).  Risers shall be vertical or sloped from the
1563underside of the leading edge of the tread above at an angle not more than 30 degrees (0.51 rad)
1564from the vertical.  Open risers are permitted, provided that the opening between treads does not 02-21-23 10:02 AM	H.B. 532
- 53 -
1565permit the passage of a 4-inch diameter (102 mm) sphere.
1566 Exceptions.
1567 1.  A nosing is not required where the tread depth is a minimum of 10 inches (254 mm).
1568 2.  The opening between adjacent treads is not limited on stairs with a total rise of 30
1569inches (762 mm) or less."
1570 [(20)] (25)  IRC, Section R312.2, is deleted.
1571 [(21)] (26)  IRC, Sections R313.1 through R313.2.1, are deleted and replaced with the
1572following: "R313.1 Design and installation.  When installed, automatic residential fire
1573sprinkler systems for townhouses or one- and two-family dwellings shall be designed and
1574installed in accordance with Section P2904 or NFPA 13D."
1575 [(22)] (27)  In IRC, Section R314.2.2, the words "or accessory dwelling units" are
1576added after the words "sleeping rooms".
1577 [(23)] (28)  In IRC, Section R315.2.2, the words "or accessory dwelling units" are
1578added after the words "sleeping rooms".
1579 [(24)] (29)  In IRC, Section 315.3, the following words are added to the first sentence
1580after the word "installed": "on each level of the dwelling unit and."
1581 [(25)  In IRC, Section R315.5, a new exception, 3, is added as follows:]
1582 ["3.  Hard wiring of carbon monoxide alarms in existing areas shall not be required
1583where the alterations or repairs do not result in the removal of interior wall or ceiling finishes
1584exposing the structure, unless there is an attic, crawl space or basement available which could
1585provide access for hard wiring, without the removal of interior finishes."]
1586 [(26)  A new IRC, Section R315.7, is added as follows: " R315.7 Interconnection. 
1587Where more than one carbon monoxide alarm is required to be installed within an individual
1588dwelling unit in accordance with Section R315.1, the alarm devices shall be interconnected in
1589such a manner that the actuation of one alarm will activate all of the alarms in the individual
1590unit.  Physical interconnection of smoke alarms shall not be required where listed wireless
1591alarms are installed and all alarms sound upon activation of one alarm.]
1592 [Exception: Interconnection of carbon monoxide alarms in existing areas shall not be
1593required where alterations or repairs do not result in removal of interior wall or ceiling finishes
1594exposing the structure, unless there is an attic, crawl space or basement available which could
1595provide access for interconnection without the removal of interior finishes."] H.B. 532	02-21-23 10:02 AM
- 54 -
1596 [(27)  In IRC, Section R317.1.5, the period is deleted and the following language is
1597added to the end of the paragraph: "or treated with a moisture resistant coating."]
1598 [(28)  In IRC, Section 326.1, the words "residential provisions of the" are added after
1599the words "pools and spas shall comply with".]
1600 [(29)] (30)  A new IRC, Section [327, Stationary Storage Battery Systems,] R328.12, is
1601added as follows:
1602 ["327.1 General. Energy storage systems (ESS) shall comply with the provisions of this
1603section.]
1604 [Exceptions:]
1605 [1. ESS listed and labeled in accordance with UL 9540 and marked "For use in
1606residential dwelling units", where installed in accordance with the manufacturer's instruction
1607and NFPA 70.]
1608 [2. ESS less than 1kWh (3.6 megajoules).]
1609 [327.2 Equipment listings. ESS shall be listed and labeled in accordance with UL
16109540.]
1611 [Exception: Where approved, repurposed unlisted battery systems from electric vehicle
1612are allowed to be installed outdoors or in detached sheds located not less than 5 feet (1524 mm)
1613from exterior walls, property lines and public ways.]
1614 [327.3 Installation. ESS shall be installed in accordance with the manufacturer's
1615instructions and their listing.]
1616 [327.3.1 Spacing. Individual units shall be separate from each other by not less than
1617three feet (914 mm) except where smaller separation distances are documented to be adequate
1618based on large-scale fire testing complying with Section 1206.2.3 of the adopted International
1619Fire Code.]
1620 [327.4 Locations. ESS shall be installed only in the following locations:]
1621 [1. Detached garages and detached accessory structures.]
1622 [2. Attached garages separated from the dwelling unit living space in accordance with
1623Section R302.6.]
1624 [3. Outdoors or on the exterior side of exterior walls located not less than 3 feet (914
1625mm) from doors and windows directly entering the dwelling unit.]
1626 [4. Enclosed utility closets, basements, storage or utility spaces within dwelling units 02-21-23 10:02 AM	H.B. 532
- 55 -
1627with finished or noncombustible walls and ceilings. Walls and ceilings of unfinished
1628wood-framed construction shall be provided with not less than 5/8-inch (15.9 mm) Type X
1629gypsum wallboard.]
1630 [ESS shall not be installed in sleeping rooms, or closets or spaces opening directly into
1631sleeping rooms.]
1632 [327.5 Energy ratings. Individual ESS units shall have a maximum rating of 20 kWh.
1633The aggregate rating of the ESS shall not exceed:]
1634 [1. 40 kWh within utility closets, basements, and storage or utility spaces.]
1635 [2. 80 kWh in attached or detached garages and detached accessory structures.]
1636 [3. 80 kWh on exterior walls.]
1637 [4. 80 kWh outdoors on the ground.]
1638 [ESS installations exceeding the permitted individual or aggregate ratings shall be
1639installed in accordance with Sections 1206.2.1 through 1206.2.12 of the adopted International
1640Fire Code.]
1641 [327.6 Electrical installation. ESS shall be installed in accordance with NFPA 70.
1642Inverters shall be listed and labeled in accordance with UL 1741 or provided as part of the UL
16439540 listing. Systems connected to the utility grid shall use inverters listed for utility
1644interaction.]
1645 [327.7 Fire detection. Rooms and areas within dwelling units, basements, and attached
1646garages in which ESS are installed shall be protected by smoke alarms in accordance with
1647Section R314. A heat detector, listed and interconnected to the smoke alarms, shall be installed
1648in locations within dwelling units and attached garages where smoke alarms cannot be installed
1649based on their listing.]
1650 [327.8 Protection from impact. ESS installed in a location subject to vehicle damage
1651shall be protected by approved barriers.]
1652 [327.9 Ventilation. Indoor installations of ESS that include batteries that produce
1653hydrogen or other flammable gasses during charging shall be provided with mechanical
1654ventilation in accordance with Section M1307.4.]
1655 [327.10 Electric vehicle use. The temporary use of an owner or occupant's
1656electric-powered vehicle to power a dwelling unit while parked in an attached or detached
1657garage or outdoors shall comply with the vehicle manufacturer's instructions and NFPA 70.] H.B. 532	02-21-23 10:02 AM
- 56 -
1658 [327.11] "R328.12 Signage. A sign located on the exterior of the dwelling shall be
1659installed at a location approved by the authority having jurisdiction which identifies the battery
1660chemistry included in the ESS. This sign shall be of sufficient durability to withstand the
1661environment involved and shall not be handwritten."
1662 (31)  In IRC, Section 403.1.3.5.3, an exception is added as follows: "Exception:
1663Vertical steel in footings shall be permitted to be located while concrete is still plastic and
1664before it has set. Where vertical steel resists placement or the consolidation of concrete around
1665steel is impeded, the concrete shall be vibrated to ensure full contact between the vertical steel
1666and concrete."
1667 [(30)] (32)  In IRC, Section R403.1.6, a new Exception 3 is added as follows: "3. 
1668When anchor bolt spacing does not exceed 32 inches (813 mm) apart, anchor bolts may be
1669placed with a minimum of two bolts per plate section located not less than 4 inches (102 mm)
1670from each end of each plate section at interior bearing walls, interior braced wall lines, and at
1671all exterior walls."
1672 [(31)] (33)  In IRC, Section R403.1.6.1, a new exception is added at the end of Item 2
1673and Item 3 as follows: "Exception: When anchor bolt spacing does not exceed 32 inches (816
1674mm) apart, anchor bolts may be placed with a minimum of two bolts per plate section located
1675not less than 4 inches (102 mm) from each end of each plate section at interior bearing walls,
1676interior braced wall lines, and at all exterior walls."
1677 [(32)] (34)  In IRC, Section R404.1, a new exception is added as follows: "Exception:
1678As an alternative to complying with Sections R404.1 through R404.1.5.3, concrete and
1679masonry foundation walls may be designed in accordance with IBC Sections 1807.1.5 and
16801807.1.6 as amended in Section 1807.1.6.4 and Table 1807.1.6.4 under these rules."
1681 [(33)] (35)  In IRC, Section R405.1, a [new] second exception is added as follows:
1682"Exception: When a geotechnical report has been provided for the property, a drainage system
1683is not required unless the drainage system is required as a condition of the geotechnical report.
1684The [geological] geotechnical report shall make a recommendation regarding a drainage
1685system."
1686 (36)  In IRC, Section R506.2.3, the words "10-mil (0.010 inch; 0.25 mm)" are deleted
1687and replaced with "6-mil (0.006 inch; .152 mm)" and the words "conforming to ASTM E1745
1688Class A requirements" are deleted. 02-21-23 10:02 AM	H.B. 532
- 57 -
1689 Section 14.  Section 15A-3-203 is amended to read:
1690 15A-3-203.  Amendments to Chapters 6 through 15 of IRC.
1691 (1)  IRC, Section 609.4.1, is deleted.
1692 (2)  In IRC, Section N1101.5 (R103.2), all words after the words "herein governed." are
1693deleted and replaced with the following: "Construction documents include all documentation
1694required to be submitted in order to issue a building permit."
1695 [(2)] (3)  In IRC, Section N1101.12 (R303.3), all wording after the first sentence is
1696deleted.
1697 [(3)] (4)  In IRC, Section N1101.13 (R401.2), add Exception as follows:
1698 "2. Exception: A project complies if the project demonstrates compliance, using the
1699software RESCheck 2012 Utah Energy Conservation Code, of:
1700 (a)  on or after January 1, 2017, and before January 1, 2019, "3 percent better than
1701code";
1702 (b)  on or after January 1, 2019, and before January 1, 2021, "4 percent better than
1703code"; and
1704 (c)  after January 1, 2021, "5 percent better than code.""
1705 [(4)] (5)  In IRC, Table N1102.2 (R402.1.2), in the column titled MASS WALL
1706R-VALUE, a new footnote j is added as follows:
1707 "j.  Log walls complying with ICC400 and with a minimum average wall thickness of 5
1708inches or greater shall be permitted in Zones 5 through 8 when overall window glazing has a
1709.31 U-factor or lower, minimum heating equipment efficiency is 90 AFUE (gas) or 84 AFUE
1710(oil), and all other component requirements are met."
1711 [(5)] (6)  In IRC, Sections N1102.2.1 (R402.2.1), a new Section N1102.2.1.1 is added
1712as follows:
1713 "N1102.2.1.1. Unvented attic and unvented enclosed rafter assemblies. Unvented Attic
1714and unvented enclosed rafter assemblies conforming to Section R806.5 shall be provided with
1715an R-value of R-22 (maximum U-Factor of 0.045) in Climate Zone 3-B or an R-value of R-26
1716(maximum U-factor of 0.038) in Climate Zones 5-B and 6-B provided all the following
1717conditions are met:
1718 1. The unvented attic assembly complies with the requirements of the International
1719Residential Code, R806.5. H.B. 532	02-21-23 10:02 AM
- 58 -
1720 2. The house shall attain a blower door test result < 2.5ACH 50.
1721 3. The house shall require a whole house mechanical ventilation system that does not
1722rely solely on a negative pressure strategy (must be positive, balanced or hybrid).
1723 4. Where insulation is installed below the roof deck and the exposed portion of roof
1724rafters are not already covered by the R-20 depth of the air-impermeable insulation, the
1725exposed portion of the roof rafters shall be wrapped (covered) by minimum R-3 unless directly
1726covered by drywall/finished ceiling. Roof rafters are not required to be covered by minimum
1727R-3 if a continuous insulation is installed above the roof deck.
1728 5. Indoor heating, cooling and ventilation equipment (including ductwork) shall be
1729inside the building thermal envelope."
1730 (7)  In IRC, Section N1102.4.1 (R402.4.1), in the first sentence, the word "and" is
1731deleted and replaced with the word "or."
1732 [(6)] (8)  In IRC, Section N1102.4.1.1 (R402.4.1.1), the last sentence is deleted and
1733replaced with the following: "Where allowed by the code official, the builder may certify
1734compliance to components criteria for items which may not be inspected during regularly
1735scheduled inspections."
1736 [(7)] (9)  In IRC, Section N1102.4.1.2 (R402.4.1.2), the following changes are made:
1737 (a)  In the first sentence:
1738 (i)  "The building or dwelling unit" is deleted and replaced with "A single-family
1739dwelling";
1740 (ii)  after January 1, 2019, replace the word "five" with "3.5"; and
1741 (iii)  the words "in Climate Zones 1 and 2, and three air changes per hour in Climate
1742Zones 3 through 8" are deleted.
1743 (b)  The following sentence is inserted after the first sentence: "A multi-family dwelling
1744and townhouse shall be tested and verified as having an air leakage rate of not exceeding five
1745air changes per hour."
1746 (c)  In the third sentence, the word "third" is deleted.
1747 (d)  The following sentence is inserted after the third sentence: "The following parties
1748shall be approved to conduct testing: Parties certified by BPI or RESNET, or licensed
1749contractors who have completed training provided by Blower Door Test equipment
1750manufacturers or other comparable training." 02-21-23 10:02 AM	H.B. 532
- 59 -
1751 [(8)] (10)  In IRC, Section N1103.3.3 (R403.3.3)[:], the exception for duct air leakage
1752testing is deleted and replaced with the following:
1753 [(a)  the exception for duct air leakage testing is deleted; and]
1754 [(b)  the exception for duct air leakage is replaced:]
1755 [(i)] (a)  on or after January 1, 2017, and before January 1, 2019, with the following:
1756"Exception: The duct air leakage test is not required for systems with all air handlers and at
1757least 65% of all ducts (measured by length) located entirely within the building thermal
1758envelope.";
1759 [(ii)] (b)  on or after January 1, 2019, and before January 1, 2021, with the following:
1760"Exception: The duct air leakage test is not required for systems with all air handlers and at
1761least 75% of all ducts (measured by length) located entirely within the building thermal
1762envelope."; and
1763 [(iii)] (c)  on or after January 1, 2021, with the following: "Exception: The duct air
1764leakage test is not required for systems with all air handlers and at least 80% of all ducts
1765(measured by length) located entirely within the building thermal envelope."
1766 [(9)] (11)  In IRC, Section N1103.3.3 (R403.3.3), the following is added after the
1767second exception: "The following parties shall be approved to conduct testing: Parties certified
1768by BPI or RESNET, or licensed contractors who have completed either training provided by
1769Duct Test equipment manufacturers or other comparable training."
1770 [(10)] (12)  In IRC, Section N1103.3.4 (R403.3.4):
1771 (a)  in Subsection 1, the number 4 is changed to 8, the number 113.3 is changed to 170,
1772the number 3 is changed to 6, the number 85 is changed to 114.6; and
1773 (b)  in Subsection 2:
1774 (i)  on or after January 1, 2017, and before January 1, 2019, the number 4 is changed to
17758 and the number 113.3 is changed to 226.5;
1776 (ii)  on or after January 1, 2019, and before January 1, 2021, the number 4 is changed to
17777 and the number 113.3 is changed to 198.2; and
1778 (iii)  on or after January 1, 2021, the number 4 is changed to 6 and the number 113.3 is
1779changed to 169.9.
1780 [(11)] (13)  In IRC, Section N1103.3.5 (R403.3.5), the words "or plenums" are deleted.
1781 [(12)] (14)  In IRC, Section N1103.5.3 (R403.5.3), Subsection 5 is deleted and H.B. 532	02-21-23 10:02 AM
- 60 -
1782Subsections 6 and 7 are renumbered.
1783 [(13)] (15)  IRC, Section N1103.6.1 (R403.6.1), is deleted and replaced with the
1784following: "N1103.6.1 (R403.6.1) Whole-house mechanical ventilation system fan efficacy.
1785Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements
1786of Table N1103.6.1 (R403.6.1).
1787 Exception: Where an air handler that is integral to tested and listed HVAC equipment is
1788used to provide whole-house mechanical ventilation, the air handler shall be powered by an
1789electronically commutated motor."
1790 [(14)] (16)  In IRC, Section N1103.6.1 (R403.6.1), the table is deleted and replaced
1791with the following:
1792 "TABLE N1103.6.1 (R403.6.1)
1793 MECHANICAL VENTILATION SYSTEM FAN EFFICACY
1794 
FAN LOCATION AIR FLOW RATE
MINIMUM (CFM)
MINIMUM
EFFICACY
(CFM/WATT)
AIR FLOW RATE
MAXIMUM (CFM)
1795 HRV or ERV Any 1.2 cfm/watt Any
1796 Range hoods Any 2.8 cfm/watt Any
1797 In-line fan Any 2.8 cfm/watt Any
1798 Bathroom, utility room 10 1.4 cfm/watt <90
1799 Bathroom, utility room 90 2.8 cfm/watt Any"
1800 [(15)] (17)  In IRC, Section N1106.4 (R406.4), the table is deleted and replaced with
1801the following:
1802"TABLE N1106.4 (R406.4)
1803MAXIMUM ENERGY RATING INDEX
1804 CLIMATE ZONE	ENERGY RATING INDEX
1805 	3	65
1806 	5	69
1807 	6	68"
1808 [(16)] (18)  In IRC, Section N1103.7 the word "approved" is deleted in the first
1809sentence and the following is added after the word methodologies ", complying with 02-21-23 10:02 AM	H.B. 532
- 61 -
1810N1103.7.1".
1811 [(17)] (19)  A new IRC, Section N1103.7.1 is added as follows: "N1103.7.1
1812Qualifications. An individual performing load calculations shall be qualified by completing
1813HVAC [load calculation] training from one of the following:
1814 1. HVAC load calculation education from ACCA;
1815 2. A recognized educational institution;
1816 3. HVAC equipment manufacturer's training; or
1817 4. Other recognized industry certification."
1818 [(18)] (20)  In IRC, Section M1307.2, the words "In Seismic Design Categories D0, D1,
1819and D2, and in townhouses in Seismic Design Category C", are deleted, and in Subparagraph 1,
1820the last sentence is deleted.
1821 [(19)] (21)  In IRC, Section M1401.3 the word "approved" is deleted in the first
1822sentence and the following is added after the word methodologies ", complying with
1823M1401.3.1".
1824 [(20)] (22)  A new IRC, Section M1401.3.1, is added as follows: "M1401.3.1
1825Qualifications. An individual performing load calculations shall be qualified by completing
1826HVAC [load calculation] training from one of the following:
1827 1. HVAC load calculation education from ACCA;
1828 2. A recognized educational institution;
1829 3. HVAC equipment manufacturer's training; or
1830 4. Other recognized industry certification."
1831 [(21)] (23)  In IRC, Section M1402.1, the following is added at the end of the second
1832sentence: "or UL/CSA 60335-2-40."
1833 [(22)] (24)  In IRC, Section M1403.1, the characters "/ANCE" are deleted.
1834 [(23)] (25)  IRC, Section [M1411.8] M1411.9, is deleted.
1835 [(24)] (26)  In IRC, Section M1412.1, the characters "/ANCE" are deleted.
1836 [(25)] (27)  In IRC, Section M1413.1, the characters "/ANCE" are deleted.
1837 Section 15.  Section 15A-3-204 is amended to read:
1838 15A-3-204.  Amendments to Chapters 16 through 25 of IRC.
1839 (1)  In IRC, Section M1602.2, a new exception is added at the end of Item [6] 8 as
1840follows: "Exception: The discharge of return air from an accessory dwelling unit into another H.B. 532	02-21-23 10:02 AM
- 62 -
1841dwelling unit, or into an accessory dwelling unit from another dwelling unit, is not prohibited."
1842 (2)  A new IRC, Section G2401.2, is added as follows: "G2401.2 Meter Protection. 
1843Fuel gas services shall be in an approved location and/or provided with structures designed to
1844protect the fuel gas meter and surrounding piping from physical damage, including falling,
1845moving, or migrating ice and snow.  If an added structure is used, it must provide access for
1846service and comply with the IBC or the IRC."
1847 (3)  IRC, Section P2503.2, is deleted and replaced with the following: "P2503.2
1848Testing. Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure
1849detector fire protection, double check detector fire protections, and spill-resistant vacuum
1850breaker backflow preventer assemblies shall be tested at the time of installation, immediately
1851after repairs or relocation and at least annually. The Utah Cross-Connection Control
1852Commission has adopted the field test procedures published by the Manual of Cross
1853Connection Control, Tenth Edition. This manual is published by the University of Southern
1854California's Foundation for Cross-Connection Control and Hydraulic Research.  Test gauges
1855shall comply with ASSE 1064."
1856 (4) In IRC, Section P2503.8, the word "devices" is deleted and replaced with the word
1857"assemblies."
1858 Section 16.  Section 15A-3-205 is amended to read:
1859 15A-3-205.  Amendments to Chapters 26 through 35 of IRC.
1860 (1)  IRC, Section P2602.1, is deleted and replaced with the following: "P2602.1
1861General. The water-distribution system of any building or premises where plumbing fixtures
1862are installed shall be connected to a public water supply. Where a potable public water supply
1863is not available, individual sources of potable water supply shall be utilized provided that the
1864source has been developed in accordance with Utah Code Sections 73-3-1, 73-3-3, and
186573-3-25, as administered by the Department of Natural Resources, Division of Water Rights. In
1866addition, the quality of the water shall be approved by the local health department having
1867jurisdiction. The source shall supply sufficient quantity of water to comply with the
1868requirements of this chapter.
1869 Every building in which plumbing fixtures are installed and all premises having
1870drainage piping shall be connected to a public sewer where the sewer is accessible and is
1871within 300 feet of the property line in accordance with Utah Code Section 10-8-38, or an 02-21-23 10:02 AM	H.B. 532
- 63 -
1872approved private sewage disposal system in accordance with Utah Administrative Code, Rule
1873R317-4, as administered by the Department of Environmental Quality, Division of Water
1874Quality.
1875 Exception: Sanitary drainage piping and systems that convey only the discharge from
1876bathtubs, showers, lavatories, clothes washers, and laundry trays shall not be required to
1877connect to a public sewer or to a private sewage disposal system provided that the piping or
1878systems are connected to a system in accordance with Sections P2910 or P2911."
1879 (2)  A new IRC, Section P2602.3, is added as follows: "P2602.3 Individual water
1880supply. Where a potable public water supply is not available, individual sources of potable
1881water supply shall be utilized, provided that the source has been developed in accordance with
1882Utah Code, Sections 73-3-1 and 73-3-25, as administered by the Department of Natural
1883Resources, Division of Water Rights.  In addition, the quality of the water shall be approved by
1884the local health department having jurisdiction."
1885 [(2)] (3)  A new IRC, Section P2602.4, is added as follows: "P2602.4 Sewer required. 
1886Every building in which plumbing fixtures are installed and all premises having drainage
1887piping shall be connected to a public sewer where the sewer is accessible and is within 300 feet
1888of the property line in accordance with Utah Code, Section 10-8-38; or an approved private
1889sewage disposal system in accordance with Utah Administrative Code, Chapter 4, Rule R317,
1890as administered by the Department of Environmental Quality, Division of Water Quality."
1891 [(3)] (4)  In IRC, Section P2705, Item 5, the words "lavatory" and "lavatories" are
1892deleted.
1893 [(4)] (5)  In IRC, Section P2705, a new Item [6] 9 is added as follows: ["6] "9.
1894Lavatories. A lavatory shall not be set closer than 12 inches from its center to any side wall or
1895partition. A lavatory shall be provided with a clearance of 24 inches in width and 21 inches in
1896depth in front of the lavatory to any side wall, partition, or obstruction." Remaining item
1897numbers are renumbered accordingly.
1898 (6)  In IRC, Section P2801.6.2, the following is added at the end of the section: "When
1899permitted by the code official, the pan drain may be directly connected to a soil stack, waste
1900stack, or branch drain. The pan drain shall be individually trapped and vented as required in
1901Section 907.1. The pan drain shall not be directly or indirectly connected to any vent. The trap
1902shall be provided with a trap primer conforming to ASSE 1018 or ASSE 1044, a barrier type H.B. 532	02-21-23 10:02 AM
- 64 -
1903floor drain trap seal protection device meeting ASSE 1072, or a deep seal p-trap."
1904 (7)  A new IRC, Section P2801.6.3, is added as follows: "P2801.6.3 Pan designation. A
1905water heater pan shall be considered an emergency receptor designated to receive the discharge
1906of water from the water heater only and shall not receive the discharge from any other fixtures,
1907devises, or equipment."
1908 [(5)] (8)  [In] IRC, Section P2801.8, [all words in the first sentence up to the word
1909"water" are] is deleted[.] and replaced with the following: "P2801.8 Water heater seismic
1910bracing. As a minimum requirement, water heaters shall be anchored or strapped to resist
1911horizontal displacement caused by earthquake motion. Strapping shall be at points within the
1912upper one third and lower one-third of the appliance's vertical dimensions.
1913 (9)  In IRC, Section P2804.6.1, a new number 15 is added as follows: "15. Be installed
1914in accordance with the manufacturer's installation instructions, not to exceed 180 degrees in
1915directional changes."
1916 [(6)] (10)  A new IRC, Section P2902.1.1, is added as follows: "P2902.1.1 Backflow
1917assembly testing.  [The premise owner or the premise owner's designee shall have backflow
1918prevention assemblies operation tested in accordance with administrative rules made by the
1919Drinking Water Board at the time of installation, repair, and relocation and at least on an
1920annual basis thereafter, or more frequently as required by the authority having jurisdiction. 
1921Testing shall be performed by a Certified Backflow Preventer Assembly Tester.  The
1922assemblies that are subject to this paragraph are the Spill Resistant Vacuum Breaker, the
1923Pressure Vacuum Breaker Assembly, the Double Check Backflow Prevention Assembly, the
1924Double Check Detector Assembly Backflow Preventer, the Reduced Pressure Principle
1925Backflow Preventer, and Reduced Pressure Detector Assembly. Third-party certification for
1926backflow prevention assemblies will consist of any combination of two certifications,
1927laboratory or field.  Acceptable third-party laboratory certifying agencies are ASSE, IAPMO,
1928and USC-FCCCHR.  USC-FCCCHR currently provides the only field testing of backflow
1929protection assemblies.  Also see www.drinkingwater.utah.gov and rules made by the Drinking
1930Water Board."] Reduced pressure principle, double check, pressure vacuum breaker, reduced
1931pressure detector fire protection double check detector fire protection and spill-resistant
1932vacuum breaker backflow preventer assemblies shall be tested at the time of installation,
1933immediately after repairs or relocation and at least annually. The Utah Cross Connection 02-21-23 10:02 AM	H.B. 532
- 65 -
1934Control Commission has adopted the field test procedures published by the Manual of Cross
1935Connection Control, Tenth Edition. This manual is published by the University of Southern
1936California's Foundation for Cross-Connection Control and Hydraulic Research. Test gauges
1937shall comply with ASSE 1064.
1938 [(7)] (11)  In IRC, Section P2902.1, the following subsections are added as follows:
1939 ["P2902.1.1] "P2902.1.2 General Installation Criteria.
1940 Assemblies shall not be installed more than five feet above the floor unless a permanent
1941platform is installed.  The assembly owner, where necessary, shall provide devices or structures
1942to facilitate testing, repair, and maintenance, and to insure the safety of the backflow
1943technician.
1944 [P2902.1.2] P2902.1.2 Specific Installation Criteria.
1945 [P2902.1.2.1] P2902.1.2 Reduced Pressure Principle Backflow Prevention Assembly.
1946 The reduced pressure principle backflow prevention assembly shall be installed as
1947follows:
1948 a. The assembly may not be installed in a pit or below grade where the relief port could
1949be submerged in water or where fumes could be present at the relief port discharge.
1950 b. The relief valve of the assembly shall not be directly connected to a waste disposal
1951line, including a sanitary sewer, a storm drain, or a vent.
1952 c. The assembly shall be installed in a horizontal position only, unless listed or
1953approved for vertical installation in accordance with Section 303.4 of the International
1954Plumbing Code as amended in Utah Code, Subsection 15A-3-303(1).
1955 d. The bottom of the assembly shall be installed a minimum of 12 inches above the
1956floor or ground.
1957 e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
1958obstacle, and shall be readily accessible for testing, repair, and maintenance.
1959 P2902.1.2.2 Double Check Valve Backflow Prevention Assembly.
1960 A double check valve backflow prevention assembly shall be installed as follows:
1961 a. The assembly shall be installed in a horizontal position only, unless listed or
1962approved for vertical installation.
1963 b. The bottom of the assembly shall be a minimum of 12 inches above the ground or
1964floor. H.B. 532	02-21-23 10:02 AM
- 66 -
1965 c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
1966obstacle, and shall be readily accessible for testing, repair, and maintenance.
1967 d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of
1968clearance between all sides of the vault, including the floor and roof or ceiling, with adequate
1969room for testing and maintenance.
1970 P2902.1.2.3 Pressure Vacuum Break Assembly and Spill Resistant Pressure Vacuum
1971Breaker Assembly.
1972 A pressure vacuum break assembly or a spill resistant pressure vacuum breaker
1973assembly shall be installed as follows:
1974 a. The assembly shall not be installed in an area that could be subject to backpressure or
1975back drainage conditions.
1976 b. The assembly shall be installed a minimum of 12 inches above all downstream
1977piping and the highest point of use.
1978 c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle,
1979and shall be readily accessible for testing, repair, and maintenance.
1980 d. The assembly shall not be installed below ground, in a vault, or in a pit.
1981 e. The assembly shall be installed in a vertical position."
1982 [(8)  In IRC, Table 2903.2, the following changes are made in the column titled
1983"MAXIMUM FLOW RATE OR QUANTITY":]
1984 [(a)  In the row titled "Lavatory faucet" the text is deleted and replaced with "1.5 gpm at
198560 psi".]
1986 [(b)  In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80
1987psi".]
1988 [(9)] (12)  In IRC, Section P2903.3, the words "public water main or an" are deleted
1989and the following sentence is added at the end: "A water pressure booster pump may not be
1990connected to a public water main unless allowed by Utah Administrative Code, Rule
1991R309-540."
1992 (13)  In IRC, Section 2903.5, at the beginning of the second sentence, insert "If
1993installed,".
1994 [(10)] (14)  In IRC, Section P2903.9.3, the first sentence is deleted and replaced with
1995the following: "Unless the plumbing appliance or plumbing fixture has a wall-mount valve, 02-21-23 10:02 AM	H.B. 532
- 67 -
1996shutoff valves shall be required on each fixture supply pipe to each plumbing appliance and to
1997each plumbing fixture other than bathtubs and showers."
1998 [(11)] (15)  IRC, Section P2910.5, is deleted and replaced with the following:
1999 "P2910.5 Potable water connections.
2000 [When a potable water system is connected to a nonpotable water system, the potable
2001water system shall be protected against backflow by a reduced pressure backflow prevention
2002assembly or an air gap installed in accordance with Section 2901."] A system that utilizes
2003nonpotable water (i.e., pressurized irrigation) and installs a connection to the potable water
2004system for backup must install a Reduced Pressure Principle Assembly (RP) directly
2005downstream of the potable water connection (Stop and Waste) and install a "dual source
2006connection" directly downstream from the (RP) installed so that either the potable water system
2007or the nonpotable water is connected at any time to prevent a direct Cross Connection and to
2008protect the potable water from any potential hazard from the nonpotable water system. See
2009Utah Code Section 19-4-112. Note: RP must be tested within 10 days of installation and
2010annually whether the drinking water is used or not."
2011 [(12)] (16)  IRC, Section P2910.9.5, is deleted and replaced with the following:
2012 "P2910.9.5 Makeup water.
2013 Where an uninterrupted nonpotable water supply is required for the intended
2014application, potable or reclaimed water shall be provided as a source of makeup water for the
2015storage tank.  The makeup water supply shall be protected against backflow by means of an air
2016gap not less than 4 inches (102 millimeters) above the overflow or by a reduced pressure
2017backflow prevention assembly installed in accordance with Section 2902."
2018 [(13)] (17)  In IRC, Section P2911.12.4, the following words are deleted: "and
2019backwater valves."
2020 [(14)] (18)  In IRC, Section P2912.15.6, the following words are deleted: "and
2021backwater valves."
2022 [(15)] (19)  In IRC, Section P3007.3.3.1, the words "stainless steel, cast iron,
2023galvanized steel, brass" are added after the word "PE."
2024 (20)  IRC, Section P3009, is deleted and replaced with the following:
2025 ["P3009 Connected to nonpotable water from on-site water reuse systems.]
2026 [Nonpotable systems utilized for subsurface irrigation for single-family residences shall H.B. 532	02-21-23 10:02 AM
- 68 -
2027comply with the requirements of R317-401, UAC, Graywater Systems."] "P3009 Graywater
2028soil absorption systems: Graywater recycling systems utilized for subsurface irrigation for
2029single-family residences shall comply with the requirements of Utah Administrative Code,
2030R317-401, Graywater Systems. Graywater recycling systems utilized for subsurface irrigation
2031for other occupancies shall comply with Utah Administrative Code, R317-3, Design
2032Requirements for Wastewater Collection, Treatment, and Disposal Systems, and Utah
2033Administrative Code, R317-4, Onsite Wastewater Systems."
2034 [(16)] (21)  In IRC, Section [P3103.6] P3101.4, the following sentence is added at the
2035end of the paragraph: "Vents extending through the wall shall terminate not less than 12 inches
2036from the wall with an elbow pointing downward."
2037 [(17)] (22)  In IRC, Section P3104.4, the following sentence is added at the end of the
2038paragraph: "Horizontal dry vents below the flood level rim shall be permitted for floor drain
2039and floor sink installations when installed below grade in accordance with Chapter 30, and
2040Sections P3104.2 and P3104.3.  A wall cleanout shall be provided in the vertical vent."
2041 Section 17.  Section 15A-3-206 is amended to read:
2042 15A-3-206.  Amendments to Chapters 36, 37, 39, and 44 and Appendix F of IRC.
2043 (1)  In IRC, Section E3601.6.2, a new exception is added as follows: "Exception: An
2044occupant of an accessory dwelling unit is not required to have access to the disconnect serving
2045the dwelling unit in which they reside."
2046 (2)  IRC, Section E3606.5, is deleted.
2047 (3)  IRC, Section E3901.4.2, is deleted and replaced with the following:
2048 "E3901.4.2 Island and Peninsular Countertops and Work Spaces. Receptacle outlets, if
2049installed to serve an island or peninsular countertop or work surface, shall be installed in
2050accordance with E3901.4.3. If a receptacle outlet is not provided to serve an island or
2051peninsular countertop or work surface, provisions shall be provided at the island or peninsula
2052for future addition of a receptacle outlet to serve the island or peninsular countertop or work
2053surface.
2054 [(2)  In IRC, Section E3705.4.5, the following words are added after the word
2055"assemblies": "with ungrounded conductors 10 AWG and smaller".]
2056 [(3)  In IRC, Section E3901.4.5, the last sentence in the exception is deleted and
2057replaced with the following: "Receptacles mounted below the countertop in accordance with 02-21-23 10:02 AM	H.B. 532
- 69 -
2058this exception shall not be located more than 14 inches from the bottom leading edge of the
2059countertop."]
2060 [(4)  In IRC, Section E3901.9, the following exception is added:]
2061 ["Exception: Receptacles or other outlets adjacent to the exterior walls of the garage,
2062outlets adjacent to an exterior wall of the garage, or outlets in a storage room with entry from
2063the garage may be connected to the garage branch circuit."]
2064 [(5)] (4)  IRC, Section E3901.4.3, is deleted and replaced with the following:
2065 "E3901.4.3 Receptacle Outlet Location. Receptacle outlets shall be located in one or
2066more of the following:
2067 1. On or above, but not more than 20 inches (508 mm) above a countertop or work
2068surface.
2069 2. In a countertop using receptacle outlet assemblies listed for use in countertops.
2070 3. In a work surface using receptacle outlet assemblies listed for use in work surface or
2071listed for use in countertops.
2072 Receptacle outlets rendered not readily accessible by appliances fastened in place,
2073appliance garages, sinks, or range tops as covered in the exception to Section E3901.4.1 or
2074appliances occupying assigned spaces shall not be considered as these required outlets.
2075 4. Under the countertop not more than 14" from the bottom leading edge of the
2076countertop.
2077 (5)  In IRC, Section 3902.1, after the word "125-volt" add "single phase 15 and 20
2078ampere" and strike the words "through 250 volt."
2079 (6)  In IRC, Section 3902.2, after the word "125-volt" add "single phase 15 and 20
2080ampere" and strike the words "through 250 volt."
2081 (7)  In IRC, Section 3902.3, after the word "125-volt" add "single phase 15 and 20
2082ampere" and strike the words "through 250 volt."
2083 (8)  In IRC, Section 3902.4, after the word "125-volt" add "single phase 15 and 20
2084ampere" and strike the words "through 250 volt."
2085 (9)  In IRC, Section 3902.5, after the word "125-volt" add the words "single phase 15
2086and 20 ampere in unfinished portions of the basement shall have ground-fault
2087circuit-interrupter protection for personnel" and delete the rest of the section.
2088 (10)  In IRC, Section 3902.6, after the word "125-volt" add "single phase 15 and 20 H.B. 532	02-21-23 10:02 AM
- 70 -
2089ampere" and strike the words "through 250 volt."
2090 (11)  In IRC, Section 3902.7, after the word "125-volt" add "single phase 15 and 20
2091ampere" and strike the words "through 250 volt."
2092 (12)  In IRC, Section 3902.8, after the word "125-volt" add "single phase 15 and 20
2093ampere" and strike the words "through 250 volt."
2094 (13)  In IRC, Section 3902.9, after the word "125-volt" add "single phase 15 and 20
2095ampere" and strike the words "through 250 volt."
2096 (14)  IRC, Section 3902.10, is deleted.
2097 (15)  In IRC, Section 3902.12, after the word "125-volt" add "single phase 15 and 20
2098ampere" and strike the words "through 250 volt."
2099 (16)  In IRC, Section 3902.13, after the word "125-volt" add "single phase 15 and 20
2100ampere" and strike the words "through 250 volt."
2101 (17)  IRC, Section E3902.16 is deleted.
2102 [(6)] (18)  [In] IRC Section E3902.17[:] is deleted.
2103 [(a)  following the word "Exception" the number "1." is added; and]
2104 [(b)  at the end of the section, the following sentences are added:]
2105 ["2. This section does not apply for a simple move or an extension of a branch circuit or
2106an outlet which does not significantly increase the existing electrical load.  This exception does
2107not include changes involving remodeling or additions to a residence."]
2108 [(7)] (19)  IRC, Section E3902.18 is deleted.
2109 (20)  IRC, Chapter 44, is amended by deleting the standard for "ANCE."
2110 [(8)] (21)  In IRC, Chapter 44, the standard for ASHRAE is amended by changing
2111"34-2013" to "34-2019."
2112 [(9)] (22)  In IRC, Chapter 44, the standard for CSA, is amended by changing the:
2113 (a)  standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
211460335-2-40-2019"; and
2115 (b)  title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
2116Requirements for Motor-Compressors" to "Standard for Household and Similar Electrical
2117Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air Conditioners and
2118Dehumidifiers-3rd Edition."
2119 [(10)] (23)  In IRC, Chapter 44, the standard for UL, is amended by changing the: 02-21-23 10:02 AM	H.B. 532
- 71 -
2120 (a)  standard reference number "1995-2011" to "1995-2015";
2121 (b)  standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
212260335-2-40-2019"; and
2123 (c)  title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
2124Requirements for Motor-Compressors" to "Standard for Household and Similar Electrical
2125Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air Conditioners and
2126Dehumidifiers-3rd Edition."
2127 [(11)] (24)  IRC, Chapter 44, is amended by adding the following reference standard:
2128 
"Standard reference
number
Title	Referenced in code
section number
2129 
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"
2130 [(12)] (25)  In IRC, Chapter 44, is amended by adding the following reference standard:
2131"UL 9540-20: Energy Storage Systems and Equipment; R327.1, R327.2 and R327.6."
2132 [(13)] (26) (a)  When passive radon controls or portions thereof are voluntarily
2133installed, the voluntary installation shall comply with Appendix F of the IRC.
2134 (b)  An additional inspection of a voluntary installation described in Subsection [(9)(a)]
2135(22)(a) is not required.
2136 Section 18.  Section 15A-3-302 is amended to read:
2137 15A-3-302.  Amendments to Chapters 1 and 2 of IPC.
2138 [(1)  In IPC, Section 202, the definition for "Backflow Backpressure, Low Head" is
2139deleted.]
2140 [(2)] (1)  In IPC, Section 202, the following definition is added: "Utah Certified
2141Backflow Preventer Assembly Tester.  A person who has shown competence to test Backflow
2142prevention assemblies to the satisfaction of the authority having jurisdiction under Utah Code,
2143Subsection 19-4-104(4) and Utah Administrative Code, R309-305."
2144 [(3)  In IPC, Section 202, the following definition is added: "Contamination (High
2145Hazard).  An impairment of the quality of the potable water that creates an actual hazard to the
2146public health through poisoning or through the spread of disease by sewage, industrial fluids or H.B. 532	02-21-23 10:02 AM
- 72 -
2147waste."]
2148 [(4)] (2)  In IPC, Section 202, the definition for "Cross Connection" is deleted and
2149replaced with the following: "Cross Connection.  Any physical connection or potential
2150connection or arrangement between two otherwise separate piping systems, one of which
2151contains potable water and the other either water of unknown or questionable safety or steam,
2152gas, or chemical, whereby there exists the possibility for flow from one system to the other,
2153with the direction of flow depending on the pressure differential between the two systems (see
2154"Backflow")."
2155 [(5)] (3)  In IPC, Section 202, the following definition is added: "Deep Seal Trap.  A
2156manufactured or field fabricated trap with a liquid seal of 4" or larger."
2157 [(6)] (4)  In IPC, Section 202, the definition for "Essentially Nontoxic Transfer Fluid" is
2158deleted and replaced with the following:
2159 "ESSENTIALLY NONTOXIC TRANSFER FLUID.  Fluids [having a Gosselin rating
2160of 1], including propylene glycol[;] and mineral oil."
2161 [(7)] (5)  In IPC, Section 202, the definition for "Essentially Toxic Transfer Fluid" is
2162deleted and replaced with the following:
2163 "ESSENTIALLY TOXIC TRANSFER FLUID.  Soil, waste, or gray water; and any
2164fluid that is not an essentially nontoxic transfer fluid under this code."
2165 [(8)  In IPC, Section 202, the following definition is added: "High Hazard.  See
2166Contamination."]
2167 [(9)  In IPC, Section 202, the following definition is added: "Low Hazard.  See
2168Pollution."]
2169 [(10)] (6)  In IPC, Section 202, the following definition is added: "Motor Vehicle Waste
2170Disposal Well. An injection well that discharges to the subsurface by way of a floor drain,
2171septic system, French drain, dry well, or similar system that receives or has received fluid from
2172a facility engaged in vehicular repair or maintenance activities, including an auto body repair
2173shop, automotive repair shop, new and used car dealership, speciality repair shop, or any other
2174facility that does any vehicular repair work. A motor vehicle waste disposal well is subject to
2175rulemaking under Section 19-5-104 regarding underground injection."
2176 [(11)  In IPC, Section 202, the following definition is added: "Pollution (Low Hazard). 
2177An impairment of the quality of the potable water to a degree that does not create a hazard to 02-21-23 10:02 AM	H.B. 532
- 73 -
2178the public health but that does adversely and unreasonably affect the aesthetic qualities of such
2179potable water for domestic use."]
2180 [(12)] (7)  In IPC, Section 202, the definition for "Potable Water" is deleted and
2181replaced with the following: "Potable Water.  Water free from impurities present in amounts
2182sufficient to cause disease or harmful physiological effects and conforming to the Utah Code,
2183Title 19, Chapter 4, Safe Drinking Water Act, and Title 19, Chapter 5, Water Quality Act, and
2184the regulations of the public health authority having jurisdiction."
2185 (8)  In IPC, Section 202, the following definition is added for Dual Source Connection:
2186"Dual Source Connection. A pipe that is installed so that either the nonpotable (i.e. secondary)
2187irrigation water or the potable water is connected to a pressurized irrigation system at one time,
2188but not both at the same time; or a pipe that is installed so that either the potable water or
2189private well water is connected to a residence at one time, not both at the same time. The
2190potable water supply line shall be protected by a reduced pressure backflow preventer."
2191 Section 19.  Section 15A-3-303 is amended to read:
2192 15A-3-303.  Amendments to Chapter 3 of IPC.
2193 (1)  In IPC, Section 303.4, the following exception is added:
2194 "Exception: Third-party certification for backflow prevention assemblies will consist of
2195any combination of two certifications, laboratory or field.  Acceptable third party laboratory
2196certifying agencies are ASSE, IAPMO, and USC-FCCCHR.  USC-FCCCHR currently
2197provides the only field testing of backflow protection assemblies.  Also see
2198www.drinkingwater.utah.gov and Division of Drinking Water Rule, Utah Administrative Code,
2199R309-105-12(4)."
2200 (2)  IPC, Section 311.1, is deleted.
2201 (3)  In IPC, Section 312.3, the following is added at the end of the paragraph:
2202 "Where water is not available at the construction site or where freezing conditions limit
2203the use of water on the construction site, plastic drainage and vent pipe may be permitted to be
2204tested with air.  The following procedures shall be followed:
2205 1.  Contractor shall recognize that plastic is extremely brittle at lower temperatures and
2206can explode, causing serious injury or death.
2207 2.  Contractor assumes all liability for injury or death to persons or damage to property
2208or for claims for labor and/or material arising from any alleged failure of the system during H.B. 532	02-21-23 10:02 AM
- 74 -
2209testing with air or compressed gasses.
2210 3.  Proper personal protective equipment, including safety eyewear and protective
2211headgear, should be worn by all individuals in any area where an air or gas test is being
2212conducted.
2213 4.  Contractor shall take all precautions necessary to limit the pressure within the plastic
2214piping.
2215 5.  No drain and vent system shall be pressurized in excess of 6 psi as measured by
2216accurate gauges graduated to no more than three times the test pressure.
2217 6.  The pressure gauge shall be monitored during the test period, which should not
2218exceed 15 minutes.
2219 7.  At the conclusion of the test, the system shall be depressurized gradually, all trapped
2220air or gases should be vented, and test balls and plugs should be removed with caution."
2221 (4)  In IPC, Section 312.5, the following is added at the end of the paragraph:
2222 "Where water is not available at the construction site or where freezing conditions limit
2223the use of water on the construction site, plastic water pipes may be permitted to be tested with
2224air.  The following procedures shall be followed:
2225 1.  Contractor shall recognize that plastic is extremely brittle at lower temperatures and
2226can explode, causing serious injury or death.
2227 2.  Contractor assumes all liability for injury or death to persons or damage to property
2228or for claims for labor and/or material arising from any alleged failure of the system during
2229testing with air or compressed gasses.
2230 3.  Proper personal protective equipment, including safety eyewear and protective
2231headgear, should be worn by all individuals in any area where an air or gas test is being
2232conducted.
2233 4.  Contractor shall take all precautions necessary to limit the pressure within the plastic
2234piping.
2235 5.  Water supply systems shall be pressure tested to a minimum of 50 psi but not more
2236than 80 psi as measured by accurate gauges graduated to no more than three times the test
2237pressure.
2238 6.  The pressure gauge shall be monitored during the test period, which should not
2239exceed 15 minutes. 02-21-23 10:02 AM	H.B. 532
- 75 -
2240 7.  At the conclusion of the test, the system shall be depressurized gradually, all trapped
2241air or gases should be vented, and test balls and plugs should be removed with caution."
2242 (5)  IPC, Section 312.10.2, is deleted and replaced with the following:
2243 "312.10.2 Testing. Reduced pressure principle, double check, pressure vacuum breaker,
2244reduced pressure detector fire protection, double check detector fire protection, and
2245spill-resistant vacuum breaker backflow preventer assemblies shall be tested at the time of
2246installation or within 10 days of being placed into service, immediately after repairs or
2247relocation and at least annually. The Utah Cross Connection Control Commission has adopted
2248the field test procedures published by the Manual of Cross-Connection Control, Tenth Edition.
2249This manual is published by the University of Southern California's Foundation for
2250Cross-Connection Control and Hydraulic Research. Test gauges shall comply with ASSE
22511064."
2252 (6)  A new IPC, Section 312.10.3, is added as follows:
2253 "312.10.3 Tester Qualifications.  Testing shall be performed by a Utah Certified
2254Backflow [Preventer] Assembly Tester in accordance with Utah Administrative Code,
2255R309-305."
2256 Section 20.  Section 15A-3-304 is amended to read:
2257 15A-3-304.  Amendments to Chapter 4 of IPC.
2258 (1)  In IPC, Table 403.1, the following changes are made:
2259 (a)  In row number "3", for in the field for "OTHER", a new footnote h is added.
2260 (b)  In row number "5", for "Adult day care and child day care" occupancy, in the field
2261for "OTHER", a new footnote h is added.
2262 (c)  Footnote f is deleted and replaced with the following: "FOOTNOTE f: The required
2263number and type of plumbing fixtures for outdoor public swimming pools shall be in
2264accordance with Utah Administrative Code, R392-302 Design, Construction and Operation of
2265Public Pools."
2266 (d)  A new footnote g is added as follows: "FOOTNOTE: g:  When provided, in public
2267toilet facilities, there shall be an equal number of diaper changing facilities in male toilet rooms
2268and female toilet rooms. Diaper changing facilities shall meet the requirements of ASTM
2269F2285-04 (2010) Standard Consumer Safety Performance Specifications for Diaper Changing
2270Tables for Commercial Use." H.B. 532	02-21-23 10:02 AM
- 76 -
2271 (e)  A new footnote h is added to the table as follows: "FOOTNOTE h: Non-residential
2272child care facilities shall comply with the additional sink requirements of Utah Administrative
2273Code, R381-60-9, Hourly Child Care Centers, R381-70-9, Out of School Time Child Care
2274Programs, and R381-100-9, Child Care Centers."
2275 (2)  In IPC, Section 405.3.4, the following sentence is added after the first sentence:
2276"For facilities designed for use by all genders in the same room, the partitions of the stalls shall
2277extend from the floor to the ceiling."
2278 (3)  In IPC, Section 405.3.5, the following sentence is added at the end of the first
2279paragraph: "For facilities designed for use by all genders in the same room, the partitions of the
2280stalls shall extend from the floor to the ceiling."
2281 (4)  A new IPC, Section 406.3, is added as follows: "406.3 Automatic clothes washer
2282safe pans.  Safe pans, when installed under automatic clothes washers, shall be installed in
2283accordance with Section 504.7."
2284 [(3)] (5)  A new IPC, Section 413.5, is added as follows: "413.5 Public toilet rooms. 
2285All public toilet rooms shall be equipped with at least one floor drain."
2286 [(4)] (6)  A new IPC, Section 413.6, is added as follows: "Prohibition of motor vehicle
2287waste disposal wells. New and existing motor vehicle waste disposal wells are prohibited. A
2288motor vehicle waste disposal well associated with a single family residence is not subject to
2289this prohibition."
2290 [(5)] (7)  IPC, Section 423.3, is deleted.
2291 Section 21.  Section 15A-3-306 is amended to read:
2292 15A-3-306.  Amendments to Chapter 6 of IPC.
2293 (1)  IPC, Section 602.3, is deleted and replaced with the following: "602.3 Individual
2294water supply.  Where a potable public water supply is not available, individual sources of
2295potable water supply shall be utilized provided that the source has been developed in
2296accordance with Utah Code, Sections 73-3-1, 73-3-3, and 73-3-25, as administered by the
2297Department of Natural Resources, Division of Water Rights.  In addition, the quality of the
2298water shall be approved by the local health department having jurisdiction.  The source shall
2299supply sufficient quantity of water to comply with the requirements of this chapter."
2300 (2)  IPC, Sections 602.3.1, 602.3.2, 602.3.3, 602.3.4, 602.3.5, and 602.3.5.1, are
2301deleted. 02-21-23 10:02 AM	H.B. 532
- 77 -
2302 [(3)  In IPC, Table 604.4, the following changes are made in the column titled
2303"MAXIMUM FLOW RATE OR QUANTITY":]
2304 [(a)  In the row titled "Lavatory, private" the text is deleted and replaced with "1.5 gpm
2305at 60 psi".]
2306 [(b)  In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80
2307psi".]
2308 [(c)  In the row titled "Urinal" the text is deleted and replaced with "0.5 gallon per
2309flushing cycle".]
2310 [(4)] (3)  A new IPC, Section 604.4.1, is added as follows: "604.4.1 Manually operated
2311metering faucets for food service establishments.  Self closing or manually operated metering
2312faucets shall provide a flow of water for at least 15 seconds without the need to reactivate the
2313faucet."
2314 [(5)] (4)  IPC, Section 606.5, is deleted and replaced with the following: "606.5 Water
2315pressure booster systems.  Water pressure booster systems shall be provided as required by
2316Section 606.5.1 through 606.5.11."
2317 [(6)] (5)  In IPC, Section 606.5.1, the words "public water main or" are deleted.
2318 (6)  A new IPC, Section 606.5.11, is added as follows: "606.5.11 [Prohibited
2319installation.  In no case shall a booster pump be allowed that will lower the pressure in the
2320public main to less than the minimum water pressure specified in Utah Administrative Code
2321R309-105-9."] Water pressure booster pumps connected to a public water main. A water
2322pressure booster pump shall not be connected to a public water main unless allowed by Utah
2323Administrative Code, Rule R309-540."
2324 (7)  In IPC, Section 608.1, the words "and pollution" are added after the word
2325"contamination."
2326 (8)  In IPC, Section 608.1, the following subsections are added as follows:
2327 "608.1.1 General Installation Criteria.
2328 An assembly shall not be installed more than five feet above the floor unless a
2329permanent platform is installed.  The assembly owner, where necessary, shall provide devices
2330or structures to facilitate testing, repair, and maintenance and to insure the safety of the
2331backflow technician.
2332 608.1.2 Specific Installation Criteria. H.B. 532	02-21-23 10:02 AM
- 78 -
2333 608.1.2.1 Reduced Pressure Principle Backflow Prevention Assembly.
2334 A reduced pressure principle backflow prevention assembly shall be installed as
2335follows:
2336 a. The assembly shall not be installed in a pit or below grade where the relief port could
2337be submerged in water or where fumes could be present at the relief port discharge.
2338 b. The relief valve of the assembly shall not be directly connected to a waste disposal
2339line, including a sanitary sewer, storm drain, or vent.
2340 c. The assembly shall be installed in a horizontal position, unless the assembly is listed
2341or approved for vertical installation in accordance with Section 303.4.
2342 d. The bottom of each assembly shall be installed a minimum of 12 inches above the
2343ground or the floor.
2344 e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
2345obstacle, and shall be readily accessible for testing, repair, and maintenance.
2346 608.1.2.2 Double Check Valve Backflow Prevention Assembly.
2347 A double check valve backflow prevention assembly shall be installed as follows:
2348 a. The assembly shall be installed in a horizontal position unless the assembly is listed
2349or approved for vertical installation.
2350 b. The bottom of the assembly shall be a minimum of 12 inches above the ground or the
2351floor.
2352 c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
2353obstacle, and shall be readily accessible for testing, repair, and maintenance.
2354 d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of
2355clearance around all sides of the vault, including the floor and roof or ceiling, with adequate
2356room for testing and maintenance.
2357 608.1.2.3 Pressure Vacuum Breaker Assembly and Spill Resistant Pressure Vacuum
2358Breaker Assembly.
2359 A pressure vacuum breaker assembly and spill resistant pressure vacuum breaker
2360assembly shall be installed as follows:
2361 a. The assembly shall not be installed in an area that could be subject to backpressure or
2362back drainage conditions.
2363 b. The assembly shall be installed a minimum of 12 inches above all downstream 02-21-23 10:02 AM	H.B. 532
- 79 -
2364piping and the highest point of use.
2365 c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle,
2366and shall be readily accessible for testing, repair, and maintenance.
2367 d. The assembly shall not be installed below ground or in a vault or pit.
2368 e. The assembly shall be installed in a vertical position."
2369 (9)  In IPC, Section 608.3, the word "and" before the word "contamination" is deleted
2370and replaced with a comma and the words " or pollution" are added after the word
2371"contamination" in the first sentence.
2372 (10)  In IPC, Section 608.6, the words "with the potential to create a condition of either
2373contamination or pollution or" are added after the word "substances."
2374 (11)  In IPC, Section 608.7, the following sentence is added at the end of the paragraph:
2375"Any connection between potable water piping and sewer-connected waste shall be protected
2376by an air gap in accordance with Section 608.14.1."
2377 (12)  IPC, Section 608.8, is deleted and replaced with the following: " 608.8 Stop and
2378Waste Valves installed below grade.  Combination stop-and-waste valves shall be permitted to
2379be installed underground or below grade.  Freeze proof yard hydrants that drain the riser into
2380the ground are considered to be stop-and-waste valves and shall be permitted. A
2381stop-and-waste valve shall be installed in accordance with a manufacturer's recommended
2382installation instructions."
2383 (13)  IPC, Section 608.14.3, is deleted and replaced with the following: " 608.14.3
2384Backflow preventer with intermediate atmospheric vent.  Backflow preventers with
2385intermediate atmospheric vents shall conform to ASSE 1012 or CSA CAN/CSA-B64.3.  These
2386devices shall be permitted to be installed on residential boilers, without chemical treatment,
2387where subject to continuous pressure conditions, and humidifiers in accordance with Section
2388608.17.10.  The relief opening shall discharge by air gap and shall be prevented from being
2389submerged."
2390 (14)  IPC, Section 608.14.4, is deleted.
2391 (15)  IPC, Section 608.16.3, is deleted and replaced with the following: " 608.16.3
2392Protection by a backflow preventer with intermediate atmospheric vent.  Connections to
2393residential boilers only, without chemical treatment, and humidifiers shall be protected by a
2394backflow preventer with an intermediate atmospheric vent." H.B. 532	02-21-23 10:02 AM
- 80 -
2395 (16)  IPC, Section 608.16.4, is deleted and replaced with the following: " 608.16.4
2396Protection by a vacuum breaker.  Openings and outlets shall be protected by atmospheric-type
2397or pressure-type vacuum breakers.  Vacuum breakers shall not be installed under exhaust hoods
2398or similar locations that will contain toxic fumes or vapors.  Fill valves shall be set in
2399accordance with Section [425.3.1] 415.3.1.  Atmospheric Vacuum Breakers - The critical level
2400of the atmospheric vacuum breaker shall be set a minimum of 6 inches (152 mm) above the
2401flood level rim of the fixture or device.  Pipe-applied vacuum breakers shall be installed at the
2402highest point, but not less than 6 inches (152 mm) above the flood level rim of the fixture,
2403receptor, or device served.  No valves shall be installed downstream of the atmospheric
2404vacuum breaker. The atmospheric vacuum breaker shall not be installed where it may be
2405subjected to continuous pressure for more than 12 consecutive hours at any time. Pressure
2406Vacuum Breaker - The critical level of the pressure vacuum breaker shall be set a minimum of
240712 inches (304 mm) above the flood level of the fixture [or] device and above all downstream
2408piping and the highest point of use."
2409 (17)  In IPC, Section 608.16.4.2, the following is added after the first sentence:
2410"Add-on-backflow prevention devices shall be non-removable.  In climates where freezing
2411temperatures occur, a listed self-draining frost proof hose bibb with an integral backflow
2412preventer shall be used."
2413 (18)  In IPC, Section 608.17.1.2, the words "or ASSE 1024" are deleted.
2414 (19)  IPC, Section 608.17.2, is deleted and replaced as follows: " 608.17.2 Connections
2415to boilers.  The potable supply to a boiler shall be protected by an air gap or a reduced pressure
2416principle backflow preventer, complying with ASSE 1013, CSA B64.4 or AWWA C511.
2417 Exception: The potable supply to a residential boiler without chemical treatment may
2418be equipped with a backflow preventer with an intermediate atmospheric vent complying with
2419ASSE 1012, ASSE 1081.1, or CSA CAN/CSA-B64.3."
2420 (20)  In IPC, Section 608.17.4.1, a new exception is added as follows: "Exception: All
2421class 1 and 2 systems containing chemical additives consisting of strictly glycerine (C.P. or
2422U.S.P. 96.5 percent grade) or propylene glycol shall be protected against backflow with a
2423double check valve assembly or double check valve detector assembly.  Such systems shall
2424include written certification of the chemical additives at the time of original installation and
2425service or maintenance." 02-21-23 10:02 AM	H.B. 532
- 81 -
2426 (21)  IPC, Section 608.17.7, is deleted and replaced with the following: " 608.17.7
2427Chemical dispensers.  Where chemical dispensers connect to the water distribution system, the
2428water supply system shall be protected against backflow in accordance with Section 608.14.1,
2429Section 608.14.2, Section 608.14.5, Section 608.14.6 or Section  608.14.8. Installation shall be
2430in accordance with Section 608.1.2. Chemical dispensers shall connect to a separate dedicated
2431water supply line, and not [a sink faucet] downstream of an atmospheric vacuum breaker."
2432 (22)  IPC, Section 608.17.8, is deleted and replaced with the following: " 608.17.8
2433Portable cleaning equipment.  Where the portable cleaning equipment connects to the water
2434distribution system, the water supply system shall be protected against backflow in accordance
2435with Section 608.14.1 or Section 608.14.2."
2436 (23)  A new IPC, Section 608.17.11, is added as follows: " 608.17.11 Automatic and
2437coin operated car washes.  The water supply to an automatic or coin operated car wash shall be
2438protected in accordance with [Section 608.14.1 or] Section 608.14.2."
2439 (24)  IPC, Section 608.18, is deleted and replaced with the following: " 608.18
2440Protection of individual water supplies.  See Section 602.3 for requirements."
2441 Section 22.  Section 15A-3-309 is amended to read:
2442 15A-3-309.  Amendments to Chapter 9 of IPC.
2443 (1)  In IPC, Section [903.1] 903.1.1, when the number of inches is to be specified, "12
2444inches (304.8mm)" is inserted.
2445 (2)  In IPC, a new Section [903.6, the following sentence is added at the end of the
2446paragraph: "] 903.7 is added as follows: "903.7 Extension through a wall. Vents extending
2447through the wall shall terminate not less than 12 inches from the wall with an elbow pointing
2448downward."
2449 (3)  In IPC, Section 905.4, the following sentence is added at the end of the paragraph:
2450"Horizontal dry vents below the flood level rim shall be permitted for floor drain, floor sink,
2451and bath tub installations when installed in accordance with Sections 702.2, 905.2 and 905.3
2452and provided with a wall clean out."
2453 Section 23.  Section 15A-3-310 is amended to read:
2454 15A-3-310.  Amendments to Chapter 10 of IPC.
2455 (1)  In IPC, a new Section 1002.4.1.6 is added as follows: "1002.4.1.6 Deep Seal Trap."
2456 (2)  In IPC, Section 1003.3.8, the word "gravity" is inserted before the word "grease." H.B. 532	02-21-23 10:02 AM
- 82 -
2457 Section 24.  Section 15A-3-313 is amended to read:
2458 15A-3-313.  Amendments to Chapter 13 of IPC.
2459 (1)  A new IPC, Section 1301.4.1, is added as follows:
2460 "1301.4.1 Recording.
2461 The existence of a nonpotable water system shall be recorded on the deed of ownership
2462for the property.  The certificate of occupancy shall not be issued until the documentation for
2463the recording required under this section is completed by the property owner."
2464 (2)  IPC, Section 1301.5, is deleted and replaced with the following:
2465 "1301.5 Potable water connections.
2466 Where a potable water system is connected to a nonpotable water system, the potable
2467water supply shall be protected against backflow by a reduced pressure backflow prevention
2468assembly or an air gap installed in accordance with Section 608."
2469 (3)  In IPC, a new Section 1301.5.1 is added as follows: "1301.5.1 Potable water
2470connections. A system that utilizes nonpotable water (i.e., pressurized irrigation) and installs a
2471connection to the potable water system for backup must install a Reduced Pressure Principle
2472Assembly (RP) directly downstream of the potable water connection (Stop and Waste) and
2473install a dual source connection directly downstream from the (RP) installed so that either the
2474potable water system or the nonpotable water is connected at any time to prevent a direct Cross
2475Connection and to protect the potable water from any potential hazard from the nonpotable
2476water system. See Utah Code Section 19-4-112. Note: RP must be tested within 10 days of
2477installation and annually whether the drinking water is used or not."
2478 (4)  IPC, Section 1301.9.4, is deleted and replaced with the following:
2479 " 1301.9.4 Makeup water.
2480 Where an uninterrupted supply is required for the intended application, potable or
2481reclaimed water shall be provided as a source of makeup water for the storage tank.  The
2482makeup water supply shall be protected against backflow by a reduced pressure backflow
2483prevention assembly or an air gap installed in accordance with Section 608.  A full-open valve
2484located on the makeup water supply line to the storage tank shall be provided.  Inlets to the
2485storage tank shall be controlled by fill valves or other automatic supply valves installed to
2486prevent the tank from overflowing and to prevent the water level from dropping below a
2487predetermined point.  Where makeup water is provided, the water level shall not be permitted 02-21-23 10:02 AM	H.B. 532
- 83 -
2488to drop below the source water inlet or the intake of any attached pump."
2489 [(4)] (5)  IPC, Section 1302.12.4, is deleted and replaced with the following:
2490 "1302.12.4 Inspection and testing of backflow prevention assemblies.
2491 Testing of a backflow preventer shall be conducted in accordance with Sections
2492312.10.1, 312.10.2, and 312.10.3."
2493 [(5)] (6)  IPC, Section 1303.15.6, is deleted and replaced with the following:
2494 "1303.15.6 Inspection and testing of backflow prevention assemblies.
2495 Testing of a backflow prevention assembly shall be conducted in accordance with
2496Sections 312.10.1, 312.10.2,  and 312.10.3."
2497 [(6)] (7)  IPC, Section 1304.4.2, is deleted and replaced with the following:
2498 "1304.4.2 Inspection and testing of backflow prevention assemblies.
2499 Testing of a backflow preventer or backwater valve shall be conducted in accordance
2500with Sections 312.10.1, 312.10.2, and 312.10.3."
2501 Section 25.  Section 15A-3-315 is amended to read:
2502 15A-3-315.  Amendments to Chapter 15 of IPC.
2503 (1)  In IPC, Chapter 15, the following reference standards are deleted: ASSE
25045013-2015, ASSE 50152015, ASSE 5020-2015, ASSE 5047-2015, ASSE 5048-2015, ASSE
25055052-98, ASSE 5056-2015, CSA B64.10-17, and CSA B64.10.1-17.
2506 (2)  In IPC, Chapter 15, the following referenced standard is added:
2507 
"Standard
reference number
Title	Referenced in code section
number
2508 
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 608.1] Section 312.10.2"
2509 Section 26.  Section 15A-3-402 is amended to read:
2510 15A-3-402.  Amendments to Chapters 1 through 5 of IMC.
2511 (1)  In IMC, Table 403.3.1.1, note h is deleted and replaced with the following:
2512 "h. 1. A nail salon shall provide each manicure station where a nail technician files or H.B. 532	02-21-23 10:02 AM
- 84 -
2513shapes an acrylic nail, as defined by rule by the Division of Professional Licensing, in
2514accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, with:
2515 a. a source capture system equipped with, at minimum, a MERV 8 particulate filter and
2516an activated carbon filter that is capable of filtering and recirculating air to inside space at a
2517rate not less than 50 cfm per station; or
2518 b. a source capture system capable of exhausting not less than 50 cfm per station.
2519 c.  A nail salon that complies with Note h. la or h. lb is not required to comply with the
2520labeling, listing, or testing requirements described in International Mechanical Code sections
2521301.7 or 301.8.
2522 2. For a source capture system described in paragraph 1, the source capture system
2523inlets for exhausting or recirculating air shall be located in accordance with Section 502.20.
2524 3. Where one or more exhausting source capture systems described in paragraph 1
2525operate continuously during occupancy, the source capture system exhaust rate shall be
2526permitted to be applied to the exhaust flow rate required by Table 403.3.1.1 for the nail salon.
2527 4. The requirements of this note apply to:
2528 a. an existing nail salon that remodels the nail salon after July 1, 2017;
2529 b. a new nail salon that begins construction after July 1, 2017; and
2530 c. all nail salons beginning on July 1, 2020."
2531 (2)  In IMC, Section 502.20 is deleted and rewritten as follows:
2532 "502.20 Manicure stations. A nail salon that files or shapes an acrylic nail shall provide
2533each manicure station with a source capture system in accordance with Table 403.3.1.1, note h.
2534For a manicure table that does not have factory-installed source capture system inlets for
2535recirculating or exhausting air, a nail salon shall provide the manicure table with inlets for
2536recirculating or exhausting air located not more than 12 inches (305 mm) horizontally and
2537vertically from the point of any acrylic chemical application.
2538 Exception: Section 502.20 applies to a manicure station in:
2539 a. an existing nail salon that remodels the nail salon after July 1, 2017;
2540 b. a new nail salon that begins construction after July 1, 2017; and
2541 c. all nail salons beginning on July 1, 2020."
2542 (3)  In IMC, Section 908.1, the following words are added at the end of the last
2543sentence: "or UL/CSA 60335-2-40." 02-21-23 10:02 AM	H.B. 532
- 85 -
2544 (4)  In IMC, Section 918.1, the following words are added after "1995": "or UL/CSA
254560335-2-40."
2546 (5)  In IMC, Section 918.2, the following words are added at the end of the sentence:
2547"or UL/CSA 60335-2-40."
2548 (6)  In IMC, Section 1101.2, the words "471 or 1995" are deleted and replaced with
2549"471, 1995, or UL/CSA 60335-2-40."
2550 (7)  In IMC, Section 1101.6, the following sentence is added at the end of the
2551paragraph: "High probability systems utilizing A2L refrigerants shall comply with ASHRAE
255215."
2553 [(8)  In IMC, Chapter 15, the standard for ASHRAE, is amended by changing the:]
2554 [(a)  standard reference number "15-2016" to "15-2019"; and]
2555 [(b)  standard reference number "34-2016" to "34-2019";]
2556 [(9)] (8)  In IMC, Chapter 15 is amended by adding the following referenced standard
2557to CSA:
2558 
"Standard reference
number
Title	Referenced in code
section number
2559 
CSA: CSA C22.2
60335-2-40-2019
Standard for Household and Similar
Electrical Appliances, Part 2-40:
Particular Requirements for Electrical
Heat Pumps, Air-Conditioners and
Dehumidifiers – 3rd Edition
M1403.1, M1412.1,
M1413.1"
2560 [(10)] (9)  In IMC, Chapter 15 is amended by adding the following referenced standard
2561to UL:
2562 
"Standard reference
number
Title	Referenced in code
section number
2563 
UL: 60335-2-40-2019Standard for Household and Similar
Electrical Appliances, Part 2-40:
Particular Requirements for Electrical
Heat Pumps, Air-Conditioners and
Dehumidifiers – 3rd Edition
M1403.1, M1412.1,
M1413.1"
2564 Section 27.  Section 15A-3-601 is amended to read:
2565 15A-3-601.  General provisions.
2566 The following are adopted as amendments to the NEC to be applicable statewide: H.B. 532	02-21-23 10:02 AM
- 86 -
2567 (1)  The IRC provisions are adopted as the residential electrical standards applicable to
2568residential installations under the IRC.  All other installations shall comply with the adopted
2569NEC.
2570 (2)  In NEC, Section 210.8(A), the words "through 250-volt" are deleted.
2571 (3)  In NEC, Section 210.8(A)(5), the word "Basements" is deleted and replaced with
2572"Unfinished portions or areas of the basement not intended as habitable rooms."
2573 (4)  In NEC, Section 210.8(F), is deleted.
2574 (5)  NEC, Sections 210.52(C)(2) and (3) are deleted and replaced with the following:
2575 "210.52(C)(2) Island and peninsular countertops and Work Surfaces. Receptacle
2576outlets, if installed to serve an island or peninsular countertop or work surface, shall be
2577installed in accordance with 210.52(C)(3). If a receptacle outlet is not provided to serve an
2578island or peninsular countertop or work surface, provisions shall be provided at the island or
2579peninsula for future addition of a receptacle outlet to serve the island or peninsular countertop
2580or work surface.
2581 210.2(C)(3) Receptacle outlet location. Receptacle outlets shall be located in one or
2582more of the following:
2583 (1) On or above, but not more than 500 mm (20 inches) above a countertop or work
2584surface.
2585 (2) In a countertop using receptacle assemblies listed for use in countertops.
2586 (3) In a work surface using receptacle outlet assemblies listed for use in work surfaces
2587or listed for use in countertops.
2588 Receptacle outlets rendered not readily accessible by appliances fastened in place,
2589appliance garages, sinks, or range tops as covered in the exception to 210.52(C)(1), occupying
2590assigned spaces shall not be considered as these required outlets.
2591 Exception: In dwelling units designed to be accessible to persons with disabilities,
2592receptacles shall be permitted to be installed not more than 300 mm (12 inches) below the
2593countertop or work surface. Receptacles installed below a countertop or work surface shall not
2594be located where the countertop or work surface extends more than 150 mm (6 inches) beyond 02-21-23 10:02 AM	H.B. 532
- 87 -
2595its support or base.
2596 (6)  NEC, Section 210.12, is deleted.
2597 [(5)] (7)  NEC, Section 210.65, is deleted.
2598 [(6)] (8)  In NEC, Section 230.67, is deleted.
2599 [(7)] (9)  In NEC, Section 314.27(C), is deleted and replaced with the following:
2600"314.27(C) Boxes at Ceiling-Suspended (Paddle) Fan Outlets. Outlet boxes or outlet box
2601systems used as the sole support of a ceiling-suspended (paddle) fan shall be listed, shall be
2602marked by their manufacturer as suitable for this purpose, and shall not support
2603ceiling-suspended (paddle) fans that weigh more than 32 kg (70 lb). For outlet boxes or outlet
2604box systems designed to support ceiling-suspended (paddle) fans that weigh more than 16 kg
2605(35 lb), the required marking shall include the maximum weight to be supported."
2606 [(8)] (10)  In NEC, Section 406.9(C), is deleted and replaced with the following:
2607"406.9(C) Bathtub and Shower Space. Receptacles shall not be installed within or directly over
2608a bathtub or shower stall."
2609 Section 28.  Section 15A-3-701 is amended to read:
2610 15A-3-701.  General provisions.
2611 The following is adopted as an amendment to the IECC to be applicable statewide:
2612 [(1)  In IECC, Section C403.11.2.3, the words "by the designer" are deleted.]
2613 [(2)] (1)  IECC, Section C405.11, is deleted and replaced with the following: "C405.11
2614Automatic receptacle control. Automatic receptacle control to be optional and decided by
2615property owner."
2616 (2)  In IECC, Section R103.2, all words after the words "herein governed." are deleted
2617and replaced with the following: "Construction documents include all documentation required
2618to be submitted in order to issue a building permit."
2619 (3)  In IECC, Section R303.3, all wording after the first sentence is deleted.
2620 (4)  In IECC, Section R401.2, a new number 4 is added as follows:
2621 "4.  Compliance may be shown by demonstrating a result, using the software
2622RESCheck 2012 Utah Energy Conservation Code, of:
2623 (a)  on or after January 1, 2017, and before January 1, 2019, "3 percent better than
2624code";
2625 (b)  on or after January 1, 2019, and before January 1, 2021, "4 percent better than H.B. 532	02-21-23 10:02 AM
- 88 -
2626code"; and
2627 (c)  after January 1, 2021, "5 percent better than code"."
2628 (5)  In IECC, Table R402.2, in the column entitled MASS WALL R-VALUE, a new
2629footnote j is added as follows:
2630 "j. Log walls complying with ICC400 and with a minimum average wall thickness of 5
2631inches or greater shall be permitted in Zones 5 through 8 when overall window glazing has a
2632.31 U-factor or lower, minimum heating equipment efficiency is, for gas, 90 AFUE, or, for oil,
263384 AFUE, and all other component requirements are met."
2634 (6)  In IECC, Section R402.2.1, a new section is added as follows: "R402.2.1.1.
2635Unvented attic and unvented enclosed rafter assemblies. Unvented attic and unvented enclosed
2636rafter assemblies conforming to Section R806.5 shall be provided with an R-value of R-22
2637(maximum U-Factor of 0.045) in Climate Zone 3-B or an R-value of R-26 (maximum U-factor
2638of 0.038) in Climate Zones 5-B and 6-B provided all the following conditions are met:
2639 1. The unvented attic assembly complies with the requirements of the International
2640Residential Code, Section R806.5.
2641 2. The house shall attain a blower door test result < 2.5ACH 50.
2642 3. The house shall require a whole house mechanical ventilation system that does not
2643rely solely on a negative pressure strategy (must be positive, balanced or hybrid).
2644 4. Where insulation is installed below the roof deck and the exposed portion of roof
2645rafters are not already covered by the R-20 depth of the air-impermeable insulation, the
2646exposed portion of the roof rafters shall be wrapped (covered) by minimum R-3 unless directly
2647covered by drywall/finished ceiling. Roof rafters are not required to be covered by minimum
2648R-3 if a continuous insulation is installed above the roof deck.
2649 5. Indoor heating, cooling and ventilation equipment (including ductwork) shall be
2650inside the building thermal envelope.
2651 (7)  In IECC, Section R402.4.1, in the first sentence, the word "and" is deleted and
2652replaced with the word "or".
2653 [(7)] (8)  In IECC, Section R402.4.1.1, the last sentence is deleted and replaced with the
2654following: "Where allowed by the code official, the builder may certify compliance to
2655components criteria for items which may not be inspected during regularly scheduled
2656inspections." 02-21-23 10:02 AM	H.B. 532
- 89 -
2657 [(8)] (9)  In IECC, Section R402.4.1.2, the following changes are made:
2658 (a)  In the first sentence:
2659 (i)  "The building or dwelling unit" is deleted and replaced with "A single-family
2660dwelling";
2661 (ii)  after January 1, 2019, replace the word "five" with "3.5"; and
2662 (iii)  the words "in Climate Zones 1 and 2, and three air changes per hour in Climate
2663Zones 3 through 8" are deleted.
2664 (b)  The following sentence is inserted after the first sentence: "A multi-family dwelling
2665and townhouse shall be tested and verified as having an air leakage rate of not exceeding five
2666air changes per hour."
2667 (c)  In the third sentence, the word "third" is deleted.
2668 (d)  The following sentence is inserted after the third sentence: "The following parties
2669shall be approved to conduct testing: Parties certified by BPI or RESNET, or licensed
2670contractors who have completed training provided by Blower Door Test equipment
2671manufacturers or other comparable training."
2672 [(9)] (10)  In IECC, Section R403.3.3[:], the exception for duct air leakage testing is
2673deleted and replaced with the following:
2674 [(a)  the exception for duct air leakage testing is deleted; and]
2675 [(b)  the exception for duct air leakage is replaced:]
2676 [(i)] (a)  on or after January 1, 2017, and before January 1, 2019, with the following:
2677"Exception: The total leakage test is not required for systems with all air handlers and at least
267865% of all ducts (measured by length) located entirely within the building thermal envelope.";
2679 [(ii)] (b)  on or after January 1, 2019, and before January 1, 2021, with the following:
2680"Exception: The duct air leakage test is not required for systems with all air handlers and at
2681least 75% of all ducts (measured by length) located entirely within the building thermal
2682envelope."; and
2683 [(iii)] (c)  on or after January 1, 2021, with the following: "Exception: The duct air
2684leakage test is not required for systems with all air handlers and at least 80% of all ducts
2685(measured by length) located entirely within the building thermal envelope."
2686 [(10)] (11)  In IECC, Section R403.3.3, the following is added after the exception:
2687 "The following parties shall be approved to conduct testing: H.B. 532	02-21-23 10:02 AM
- 90 -
2688 1. Parties certified by BPI or RESNET.
2689 2. Licensed contractors who have completed training provided by Duct Test equipment
2690manufacturers or other comparable training."
2691 [(11)] (12)  In IECC, Section R403.3.4:
2692 (a)  in Subsection 1, the number 4 is changed to 8, the number 113.3 is changed to 170,
2693the number 3 is changed to 6, and the number 85 is changed to 114.6; and
2694 (b)  in Subsection 2:
2695 (i)  on or after January 1, 2017, and before January 1, 2019, the number 4 is changed to
26968 and the number 113.3 is changed to 226.5;
2697 (ii)  on or after January 1, 2019, and before January 1, 2021, the number 4 is changed to
26987 and the number 113.3 is changed to 198.2; and
2699 (iii)  on or after January 1, 2021, the number 4 is changed to 6 and the number 113.3 is
2700changed to 169.9.
2701 [(12)] (13)  In IECC, Section R403.3.5, the words "or plenums" are deleted.
2702 [(13)] (14)  In IECC, Section R403.5.3, Subsection 5 is deleted and Subsections 6 and 7
2703are renumbered.
2704 [(14)] (15)  IECC, Section R403.6.1, is deleted and replaced with the following:
2705"R403.6.1 Whole-house mechanical ventilation system fan efficacy. Fans used to provide
2706whole-house mechanical ventilation shall meet the efficacy requirements of Table R403.6.1.
2707 Exception: Where an air handler that is integral to tested and listed HVAC equipment is
2708used to provide whole-house mechanical ventilation, the air handler shall be powered by an
2709electronically commutated motor."
2710 [(15)] (16)  In IECC, Section R403.6.1, the table is deleted and replaced with the
2711following:
2712 "TABLE R403.6.1
2713 MECHANICAL VENTILATION SYSTEM FAN EFFICACY
2714 
FAN LOCATION AIR FLOW RATE
MINIMUM (CFM)
MINIMUM
EFFICACY
(CFM/WATT)
AIR FLOW RATE
MAXIMUM (CFM)
2715 HRV or ERV Any 1.2 cfm/watt Any
2716 Range hoods Any 2.8 cfm/watt Any 02-21-23 10:02 AM	H.B. 532
- 91 -
2717 In-line fan Any 2.8 cfm/watt Any
2718 Bathroom, utility room 10 1.4 cfm/watt <90
2719 Bathroom, utility room 90 2.8 cfm/watt Any"
2720 [(16)] (17)  In IECC, Section [R406.4] R406.5, the table is deleted and replaced with
2721the following:
2722"TABLE [R406.4] R406.5
2723MAXIMUM ENERGY RATING INDEX
2724 CLIMATE ZONE	ENERGY RATING INDEX
2725 	3	65
2726 	5	69
2727 	6	68"
2728 (18) A new IECC, Section R403.7.1, is added as follows: "R403.7.1 Qualifications. An
2729individual performing load calculations shall be qualified by completing HVAC training from
2730one of the following:
2731 1. HVAC load calculation education from ACCA;
2732 2. A recognized educational institution;
2733 3. HVAC equipment manufacturer's training; or
2734 4. Other recognized industry certification."
2735 Section 29.  Section 15A-3-801 is amended to read:
2736 15A-3-801.  General provisions.
2737 The following are adopted as amendments to the IEBC and are applicable statewide:
2738 (1)  In Section 202, the following definition is added: "BUILDING OFFICIAL.  See
2739Code Official."
2740 (2)  In Section 202, the definition for "code official" is deleted and replaced with the
2741following:
2742 "CODE OFFICIAL.  The officer or other designated authority having jurisdiction
2743(AHJ) charged with the administration and enforcement of this code."
2744 (3)  In Section 202, the definition for existing buildings is deleted and replaced with the
2745following:
2746 "EXISTING BUILDING.  A building that is not a dangerous building and that was H.B. 532	02-21-23 10:02 AM
- 92 -
2747either lawfully erected under a prior adopted code, or deemed a legal non-conforming building
2748by the code official."
2749 (4)  In Section 301.3, the exception is deleted.
2750 (5)  In Section 305.4.2, number 7 is added after number 6 as follows: "7. When a
2751change of occupancy in a building or portion of a building results in a Group R-2 occupancy,
2752not less than 20% of the dwelling or sleeping units shall be Type-B dwelling or sleeping units.
2753These dwelling or sleeping units may be located on any floor of the building provided with an
2754accessible route. Two percent, but not less than one unit, of the dwelling or sleeping units shall
2755be Type-A dwelling units."
2756 (6)  Section 503.6 is deleted and replaced with the following:
2757 "503.6 Bracing for unreinforced masonry parapets and other appendages upon
2758reroofing.
2759 Where the intended alteration requires a permit for reroofing and involves removal of
2760roofing materials from more than 25% of the roof area of a building assigned to Seismic
2761Design Category D, E, or F that has parapets constructed of unreinforced masonry or
2762appendages such as cornices, spires, towers, tanks, signs, statuary, etc., the work shall include
2763installation of bracing to resist out-of-plane seismic forces, unless an evaluation demonstrates
2764compliance of such items. Reduced seismic forces are permitted for design purposes."
2765 (7)  In Section 705.1, Exception number 3, the following is added at the end of the
2766exception:
2767 "This exception does not apply if the existing facility is undergoing a change of
2768occupancy classification."
2769 (8)  Section 706.3.1 is deleted and replaced with the following:
2770 "706.3.1 Bracing for unreinforced masonry bearing wall parapets and other appendages.
2771 Where a permit is issued for reroofing more than 25 percent of the roof area of a
2772building assigned to Seismic Design Category D, E, or F that has parapets constructed of
2773unreinforced masonry or appendages such as cornices, spires, towers, tanks, signs, statuary,
2774etc., the work shall include installation of bracing to resist the reduced International Building
2775Code level seismic forces as specified in Section 303 of this code unless an evaluation
2776demonstrates compliance of such items."
2777 (9)  Section 906.6 is deleted and replaced with the following: 02-21-23 10:02 AM	H.B. 532
- 93 -
2778 "906.6 Bracing for unreinforced masonry parapets and other appendages upon
2779reroofing.
2780 Where the intended alteration requires a permit for reroofing and involves removal of
2781roofing materials from more than 25% of the roof area of a building assigned to Seismic
2782Design Category D, E, or F that has parapets constructed of unreinforced masonry or
2783appendages such as cornices, spires, towers, tanks, signs, statuary, etc., the work shall include
2784installation of bracing to resist out-of-plane seismic forces, unless an evaluation demonstrates
2785compliance with such items. Reduced seismic forces are permitted for design purposes."
2786 (10) (a)  Section 1006.3 is deleted and replaced with the following:
2787 "1006.3 Seismic Loads. Where a change of occupancy results in a building being
2788assigned to a higher risk category, or when a change of occupancy results in a design occupant
2789load increase of 100% or more, the building shall satisfy the requirements of Section 1613 of
2790the International Building Code using full seismic forces."
2791 (b)  Section 1006.3, exceptions 1 through 3 remain unchanged.
2792 (c)  In Section 1006.3, add a new exception [4] 5 as follows:
2793 "[4] 5. Where the design occupant load increase is less than 25 occupants and the
2794occupancy category does not change."
2795 (11)  In Section 1012.7.3, exception 2 is deleted.
2796 Section 30.  Section 15A-3-1001 is amended to read:
2797 15A-3-1001.  General provisions.
2798 (1)  In ISPSC, Section 202, the following definition is added for private residential
2799swimming pool: "PRIVATE RESIDENTIAL SWIMMING POOL. A swimming pool, spa
2800pool, or wading pool used only by an individual, family, or living unit members and guests, but
2801not serving any type of multiple unit housing complex of four or more living units."
2802 (2)  In ISPSC, Section 202, the definition for Residential Swimming Pool (Residential
2803Pool) is deleted and replaced with the following: "See the definition for Private Residential
2804Swimming Pool."
2805 (3)  In ISPSC, Section 320.1, the following changes are made:
2806 (a)  the words "or storm" are deleted;
2807 (b)  the words "onsite waste water" are added before the word "disposal"; and
2808 (c)  the words "or shall be disposed of by other means approved by the state or local H.B. 532	02-21-23 10:02 AM
- 94 -
2809authority" are deleted.