Utah 2025 Regular Session

Utah House Bill HB0313 Compare Versions

Version 1 (Old)

Version 2 (New)

Old	New		Differences
1		-	Enrolled Copy H.B. 313
	1	+	03-06 15:55 4th Sub. (Green) H.B. 313
	2	+	Calvin R. Musselman proposes the following substitute bill:
2	3		1
3	4		Construction Industry Amendments
4	5		2025 GENERAL SESSION
5	6		STATE OF UTAH
6	7		Chief Sponsor: Thomas W. Peterson
7	8		Senate Sponsor: Calvin R. Musselman
8	9		2
9	10
10	11		3
11	12		LONG TITLE
12	13		4
13	14		General Description:
14	15		5
15	16		This bill modifies the State Construction Code.
16	17		6
17	18		Highlighted Provisions:
18	19		7
19	20		This bill:
20	21		8
21	22		▸ amends the State Construction Code to:
22	23		9
23	24		● align with updated standards in the International Residential Code (IRC); and
24	25		10
25	26		● align with the updated standards in the National Electric Code (NEC);
26	27		11
27	28		▸ includes a coordination clause to make the amendments to Section 15A-3-202 in this bill
28	29		12
29	30		supersede the amendments to Section 15A-3-202 in H.B. 175, Housing Construction
30	31		13
31	32		Amendments;
32	33		14
33	34		▸ removes regulations for water heaters in certain areas; and
34	35		15
35	36		▸ makes technical changes.
36	37		16
37	38		Money Appropriated in this Bill:
38	39		17
39	40		None
40	41		18
41	42		Other Special Clauses:
42	43		19
43	44		This bill provides a special effective date.
44	45		20
45	46		This bill provides a coordination clause.
46	47		21
47	48		Utah Code Sections Affected:
48	49		22
49	50		AMENDS:
50	51		23
51	52		15A-2-103, as last amended by Laws of Utah 2024, Chapter 505
52	53		24
53	54		15A-3-105, as last amended by Laws of Utah 2024, Chapter 505
54	55		25
55	56		15A-3-202, as last amended by Laws of Utah 2024, Chapter 505
56	57		26
57	58		15A-3-206, as last amended by Laws of Utah 2024, Chapter 505
58	59		27
59		-	15A-3-601, as last amended by Laws of Utah 2024, Chapter 15 ~~H.B. 313 Enrolled Copy~~
	60	+	15A-3-601, as last amended by Laws of Utah 2024, Chapter 15
60	61		28
61	62		19-2-107.7, as enacted by Laws of Utah 2016, Chapter 247
	63	+	4th Sub. H.B. 313 4th Sub. (Green) H.B. 313 03-06 15:55
62	64		29
63	65		Utah Code Sections affected by Coordination Clause:
64	66		30
65	67		15A-3-202, as last amended by Laws of Utah 2024, Chapter 505
66	68		31
67	69
68	70		32
69	71		Be it enacted by the Legislature of the state of Utah:
70	72		33
71	73		Section 1. Section 15A-2-103 is amended to read:
72	74		34
73	75		15A-2-103 . Specific editions adopted of construction code of a nationally
74	76		35
75	77		recognized code authority.
76	78		36
77	79		(1) Subject to the other provisions of this part, the following construction codes are
78	80		37
79	81		incorporated by reference, and together with the amendments specified in Chapter 3,
80	82		38
81	83		Statewide Amendments Incorporated as Part of State Construction Code, and Chapter 4,
82	84		39
83	85		Local Amendments Incorporated as Part of State Construction Code, are the
84	86		40
85	87		construction standards to be applied to building construction, alteration, remodeling, and
86	88		41
87	89		repair, and in the regulation of building construction, alteration, remodeling, and repair
88	90		42
89	91		in the state:
90	92		43
91	93		(a) the 2021 edition of the International Building Code, including Appendices C and J,
92	94		44
93	95		issued by the International Code Council;
94	96		45
95	97		(b) the 2021 edition of the International Residential Code, issued by the International
96	98		46
97	99		Code Council;
98	100		47
99	101		(c) Appendix AQ of the 2021 edition of the International Residential Code, issued by the
100	102		48
101	103		International Code Council;
102	104		49
103	105		(d) the 2021 edition of the International Plumbing Code, issued by the International
104	106		50
105	107		Code Council;
106	108		51
107	109		(e) the 2021 edition of the International Mechanical Code, issued by the International
108	110		52
109	111		Code Council;
110	112		53
111	113		(f) the 2021 edition of the International Fuel Gas Code, issued by the International Code
112	114		54
113	115		Council;
114	116		55
115	117		(g) the [2020] 2023 edition of the National Electrical Code, issued by the National Fire
116	118		56
117	119		Protection Association;
118	120		57
119	121		(h) the 2021 edition of the International Energy Conservation Code, issued by the
120	122		58
121	123		International Code Council;
122	124		59
123	125		(i) the 2021 edition of the International Existing Building Code, issued by the
124	126		60
125	127		International Code Council;
126	128		61
127	129		(j) subject to Subsection 15A-2-104(2), the HUD Code;
128		-	- 2 - Enrolled Copy H.B. 313
129	130		62
130	131		(k) subject to Subsection 15A-2-104(1), Appendix AE of the 2021 edition of the
	132	+	- 2 - 03-06 15:55 4th Sub. (Green) H.B. 313
131	133		63
132	134		International Residential Code, issued by the International Code Council;
133	135		64
134	136		(l) subject to Subsection 15A-2-104(1), the 2005 edition of the NFPA 225 Model
135	137		65
136	138		Manufactured Home Installation Standard, issued by the National Fire Protection
137	139		66
138	140		Association;
139	141		67
140	142		(m) subject to Subsection (3), for standards and guidelines pertaining to plaster on a
141	143		68
142	144		historic property, as defined in Section 9-8a-302, the U.S. Department of the Interior
143	145		69
144	146		Secretary's Standards for Rehabilitation and Guidelines for Rehabilitating Historic
145	147		70
146	148		Buildings;[ and]
147	149		71
148	150		(n) the residential provisions of the 2021 edition of the International Swimming Pool
149	151		72
150	152		and Spa Code, issued by the International Code Council; and
151	153		73
152	154		(o) Modular Building Institute Standards 1200 and 1205, issued by the International
153	155		74
154	156		Code Council, except as modified by provisions of this title governing modular units.
155	157		75
156	158		(2) Consistent with Title 65A, Chapter 8, Management of Forest Lands and Fire Control,
157	159		76
158	160		the Legislature adopts the 2006 edition of the Utah Wildland Urban Interface Code,
159	161		77
160	162		issued by the International Code Council, with the alternatives or amendments approved
161	163		78
162	164		by the Utah Division of Forestry, Fire, and State Lands, as a construction code that may
163	165		79
164	166		be adopted by a local compliance agency by local ordinance or other similar action as a
165	167		80
166	168		local amendment to the codes listed in this section.
167	169		81
168	170		(3) The standards and guidelines described in Subsection (1)[(n) ] (m) apply only if:
169	171		82
170	172		(a) the owner of the historic property receives a government tax subsidy based on the
171	173		83
172	174		property's status as a historic property;
173	175		84
174	176		(b) the historic property is wholly or partially funded by public money; or
175	177		85
176	178		(c) the historic property is owned by a government entity.
177	179		86
178	180		Section 2. Section 15A-3-105 is amended to read:
179	181		87
180	182		15A-3-105 . Amendments to Chapters 10 through 12 of IBC.
181	183		88
182	184		(1) In IBC, Section 1010.2.4, number (2), the following is added at the end of the sentence:
183	185		89
184	186		"Blended assisted living facilities shall comply with Section 1010.2.14.1."
185	187		90
186	188		(2) A new IBC Section 1010.2.14.1 is added as follows: "1010.2.14.1 Blended assisted
187	189		91
188	190		living facilities. In occupancy Group I-1, Condition 2 or Group I-2, a Type-II assisted
189	191		92
190	192		living facility licensed by the Department of Health and Human Services for residents
191	193		93
192	194		with Alzheimer's or dementia, and having a controlled egress locking system to prevent
193	195		94
194	196		operation from the egress side shall be permitted to also house residents without a
195	197		95
196	198		clinical need for their containment where all of the following provisions are met:
197		-	- 3 - H.B. 313 Enrolled Copy
198	199		96
199	200		(a) locks in the means of egress comply with all IBC requirements for controlled egress
	201	+	- 3 - 4th Sub. (Green) H.B. 313 03-06 15:55
200	202		97
201	203		doors;
202	204		98
203	205		(b) all residents without a clinical need for their containment shall have the keys, codes,
204	206		99
205	207		or other means necessary to exit the facility, in a manner that is determined by the
206	208		100
207	209		facility operator and communicated to the resident or their legal representative;
208	210		101
209	211		(c) residents or their legal representative acknowledge in writing that they understand
210	212		102
211	213		and agree to living in a facility where egress is controlled; and
212	214		103
213	215		(d) the number of residents housed in a smoke compartment with controlled egress shall
214	216		104
215	217		not be greater than 30."
216	218		105
217	219		(3) In IBC, Section 1011.5.2, exception 3 is deleted and replaced with the following: " 3. In
218	220		106
219	221		Group R-3 occupancies, within dwelling units in Group R-2 occupancies, and in Group
220	222		107
221	223		U occupancies that are accessory to a Group R-3 occupancy, or accessory to individual
222	224		108
223	225		dwelling units in Group R-2 occupancies, the maximum riser height shall be 8 inches
224	226		109
225	227		(203 mm) and the minimum tread depth shall be 9 inches (229 mm). The minimum
226	228		110
227	229		winder tread depth at the walk line shall be 10 inches (254 mm), and the minimum
228	230		111
229	231		winder tread depth shall be 6 inches (152 mm). A nosing not less than 0.75 inch (19.1
230	232		112
231	233		mm) but not more than 1.25 inches (32 mm) shall be provided on stairways with solid
232	234		113
233	235		risers where the tread depth is less than 10 inches (254 mm)."
234	236		114
235	237		(4) In IBC, Section 1011.11, a new exception 6 is added as follows: " 6. In occupancies in
236	238		115
237	239		Group R-3, as applicable in Section 101.2 and in occupancies in Group U, which are
238	240		116
239	241		accessory to an occupancy in Group R-3, as applicable in Section 101.2, handrails shall
240	242		117
241	243		be provided on at least one side of stairways consisting of four or more risers."
242	244		118
243	245		(5) In IBC, Section 1025, is deleted.
244	246		119
245	247		(6) In IBC, Section 1104.4, exception 1.5 is deleted.
246	248		120
247	249		The following section is affected by a coordination clause at the end of this bill.
248	250		121
249	251		Section 3. Section 15A-3-202 is amended to read:
250	252		122
251	253		15A-3-202 . Amendments to Chapters 1 through 5 of IRC.
252	254		123
253	255		(1) In IRC, Section R101.2, Exception, the words "where provided with an automatic
254	256		124
255	257		sprinkler system complying with Section P2904" are deleted.
256	258		125
257	259		(2) In IRC, Section R101.2, Exception, the words "6. A triplex or fourplex of no more than
258	260		126
259	261		two levels with 2-hour fire-resistance-rated vertical shared wall assemblies tested in
260	262		127
261	263		accordance with ASTM E119 or UL263, 1-hour fire-resistance-rated horizontal floor
262	264		128
263	265		assemblies tested in accordance with ASTM E119 or UL263, and independent egress for
264	266		129
265	267		each unit." are added.
266		-	- 4 - Enrolled Copy H.B. 313
267	268		130
268	269		[(2)] (3) In IRC, Section R102, a new Section R102.7.2 is added as follows: "R102.7.2
	270	+	- 4 - 03-06 15:55 4th Sub. (Green) H.B. 313
269	271		131
270	272		Physical change for bedroom window egress. A structure whose egress window in an
271	273		132
272	274		existing bedroom is smaller than required by this code, and that complied with the
273	275		133
274	276		construction code in effect at the time that the bedroom was finished, is not required to
275	277		134
276	278		undergo a physical change to conform to this code if the change would compromise the
277	279		135
278	280		structural integrity of the structure or could not be completed in accordance with other
279	281		136
280	282		applicable requirements of this code, including setback and window well requirements."
281	283		137
282	284		[(3)] (4) In IRC Section R105.2, under Building, the following changes are made:
283	285		138
284	286		(a) Number 3 is deleted and replaced with the following: "3. Retaining walls retaining
285	287		139
286	288		less than 4 feet (1219mm) of unbalanced fill, unless supporting a surcharge or
287	289		140
288	290		requiring design per Section R404.4."
289	291		141
290	292		(b) Number 10 is deleted and replaced with the following: "10. Decks that are not more
291	293		142
292	294		than 30 inches (762mm) above grade at any point and not requiring guardrails, that
293	295		143
294	296		do not serve exit door required by Section R311.4."
295	297		144
296	298		[(4)] (5) In IRC, Section R105.2, a new exception is added: "11. Grade level, non-connected
297	299		145
298	300		conex boxes, less than 350 square feet, used for storage only."
299	301		146
300	302		[(5)] (6) In IRC, Section R108.3, the following sentence is added at the end of the section:
301	303		147
302	304		"The building official shall not request proprietary information."
303	305		148
304	306		[(6)] (7) In IRC, Section 109.1.5, is deleted and replaced with the following: "R109.1.5
305	307		149
306	308		Other inspections. In addition to the inspections listed in R109.1.1 through R109.1.4, the
307	309		150
308	310		building official shall have the authority to inspect the proper installation of insulation.
309	311		151
310	312		R109.1.5.1 Weather-resistant exterior wall envelope inspections. An inspection shall be
311	313		152
312	314		made of the weather-resistant exterior wall envelope as required by Section R703.1 and
313	315		153
314	316		flashings as required by Section R703.4 to prevent water from entering the
315	317		154
316	318		weather-resistive barrier.R109.1.5.2 Fire-resistance-rated construction inspection. Where
317	319		155
318	320		fire-resistance-rated construction is required between dwelling units or due to location
319	321		156
320	322		on property, the building official shall require an inspection of such construction after
321	323		157
322	324		lathing or gypsum board or gypsum panel products are in place, but before any plaster is
323	325		158
324	326		applied, or before board or panel joints and fasteners are taped and finished."
325	327		159
326	328		[(7)] (8) In IRC, Section R202, the following definition is added: "ACCESSORY
327	329		160
328	330		DWELLING UNIT: A habitable living unit created within the existing footprint of a
329	331		161
330	332		primary owner-occupied single-family dwelling."
331	333		162
332	334		[(8)] (9) In IRC, Section R202, the definition for "Approved" is modified by adding the
333	335		163
334	336		words "or independent third-party licensed engineer or architect and submitted to the
335		-	- 5 - H.B. 313 Enrolled Copy
336	337		164
337	338		building official" after the word "official."
	339	+	- 5 - 4th Sub. (Green) H.B. 313 03-06 15:55
338	340		165
339	341		[(9)] (10) In IRC, Section R202, the definition for "Approved Agency" is modified by
340	342		166
341	343		replacing the word "and" with "or."
342	344		167
343	345		[(10)] (11) In IRC, Section 202, the definition for "Approved Source" is modified by adding
344	346		168
345	347		the words "or licensed engineer or architect" after the word "official."
346	348		169
347	349		[(11)] (12) In IRC, Section R202, the following definition is added: "CERTIFIED
348	350		170
349	351		BACKFLOW PREVENTER ASSEMBLY TESTER: A person who has shown
350	352		171
351	353		competence to test Backflow prevention assemblies to the satisfaction of the authority
352	354		172
353	355		having jurisdiction under Utah Code, Subsection 19-4-104(4)."
354	356		173
355	357		[(12)] (13) In IRC, Section R202, the definition of "Cross Connection" is deleted and
356	358		174
357	359		replaced with the following: "CROSS CONNECTION. Any physical connection or
358	360		175
359	361		potential connection or arrangement between two otherwise separate piping systems,
360	362		176
361	363		one of which contains potable water and the other either water of unknown or
362	364		177
363	365		questionable safety or steam, gas, or chemical, whereby there exists the possibility for
364	366		178
365	367		flow from one system to the other, with the direction of flow depending on the pressure
366	368		179
367	369		differential between the two systems (see "Backflow, Water Distribution")."
368	370		180
369	371		[(13)] (14) In IRC, Section 202, the following definition is added: "DUAL SOURCE
370	372		181
371	373		CONNECTION. A pipe that is installed so that either the nonpotable (i.e. secondary)
372	374		182
373	375		irrigation water or the potable water is connected to a pressurized irrigation system at
374	376		183
375	377		one time, but not both at the same time; or a pipe that is installed so that either the
376	378		184
377	379		potable water or private well water is connected to a residence at one time, but not both
378	380		185
379	381		at the same time. The potable water supply line shall be protected by a reduced pressure
380	382		186
381	383		backflow preventer."
382	384		187
383	385		[(14)] (15) In IRC, Section 202, the following definition is added: "ENERGY STORAGE
384	386		188
385	387		SYSTEM (ESS). One or more devices, assembled together, that are capable of storing
386	388		189
387	389		energy for supplying electrical energy at a future time."
388	390		190
389	391		[(15)] (16) In IRC, Section 202, in the definition for gray water a comma is inserted after the
390	392		191
391	393		word "washers"; the word "and" is deleted; and the following is added to the end: "and
392	394		192
393	395		clear water wastes which have a pH of 6.0 to 9.0; are non-flammable; non-combustible;
394	396		193
395	397		without objectionable odors; non-highly pigmented; and will not interfere with the
396	398		194
397	399		operation of the sewer treatment facility."
398	400		195
399	401		[(16)] (17) In IRC, Section R202, the definition of "Potable Water" is deleted and replaced
400	402		196
401	403		with the following: "POTABLE WATER. Water free from impurities present in
402	404		197
403	405		amounts sufficient to cause disease or harmful physiological effects and conforming to
404		-	- 6 - Enrolled Copy H.B. 313
405	406		198
406	407		the Utah Code, Title 19, Chapter 4, Safe Drinking Water Act, and Title 19, Chapter 5,
	408	+	- 6 - 03-06 15:55 4th Sub. (Green) H.B. 313
407	409		199
408	410		Water Quality Act, and the regulations of the public health authority having jurisdiction."
409	411		200
410	412		[(17)] (18) In IRC, Figure R301.2 (3), is deleted and replaced with R301.2 (3) as follows:
411	413		201 "TABLE R301.2 (3)202
412	414		GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH
413	415		203
414	416		City/Town County Ground Snow Load (lb/ft2)Elevation (ft)
415	417		204
416	418		Beaver Beaver 35 5886
417	419		205
418	420		Brigham City Box Elder 42 4423
419	421		206
420	422		Castle Dale Emery 32 5669
421	423		207
422	424		Coalville Summit 57 5581
423	425		208
424	426		Duchesne Duchesne 39 5508
425	427		209
426	428		Farmington Davis 35 4318
427	429		210
428	430		Fillmore Millard 30 5138
429	431		211
430	432		Heber City Wasatch 60 5604
431	433		212
432	434		Junction Piute 27 6030
433	435		213
434	436		Kanab Kane 25 4964
435	437		214
436	438		Loa Wayne 37 7060
437	439		215
438	440		Logan Cache 43 4531
439	441		216
440	442		Manila Daggett 26 6368
441	443		217
442	444		Manti Sanpete 37 5620
443	445		218
444	446		Moab Grand 21 4029
445	447		219
446	448		Monticello San Juan 67 7064
447	449		220
448	450		Morgan Morgan 52 5062
449	451		221
450	452		Nephi Juab 39 5131
451	453		222
452	454		Ogden Weber 37 4334
453	455		223
454	456		Panguitch Garfield 41 6630
455	457		224
456	458		Parowan Iron 32 6007
457	459		225
458	460		Price Carbon 31 5558
459		-	~~- 7 - H.B. 313 Enrolled Copy~~
460		-	~~226~~ Provo Utah 31 ~~4541227~~
461		-	~~Randolph Rich 50~~ ~~6286~~
462		-	~~228~~
	461	+	226
	462	+	Provo Utah 31 4541
	463	+	- 7 - 4th Sub. (Green) H.B. 313 03-06 15:55
	464	+	227 Randolph Rich 50 6286228
463	465		Richfield Sevier 27 5338
464	466		229
465	467		St. George Washington 21 2585
466	468		230
467	469		Salt Lake City Salt Lake 28 4239
468	470		231
469	471		Tooele Tooele 35 5029
470	472		232
471	473		Vernal Uintah 39 5384
472	474		233
473	475		Note: To convert lb/ft2 to kN/m2, multiply by 0.0479. To convert feet to meters, multiply by 0.3048.1.
474	476		Statutory requirements of the Authority Having Jurisdiction are not included in this state ground snow
475	477		load table.
476	478		2. For locations where there is substantial change in altitude over the city/town, the load applies at and
477	479		below the cited elevation, with a tolerance of 100 ft (30 m).
478	480		3. For other locations in Utah, see Bean, B., Maguire, M., Sun, Y. (2018), "The Utah Snow Load
479	481		Study," Utah State University Civil and Environmental Engineering Faculty Publications, Paper 3589,
480	482		http://utahsnowload.usu.edu/, for ground snow load values."
481	483		234
482	484		[(18)] (19) In IRC, Section R301.6, is deleted and replaced with the following: "R301.6
483	485		235
484	486		Utah Snow Loads. The snow loads specified in Table R301.2(5b) shall be used for the
485	487		236
486	488		jurisdictions identified in that table. Otherwise, for other locations in Utah, see Bean,
487	489		237
488	490		B., Maguire, M., Sun, Y. (2018), "The Utah Snow Load Study," Utah State University
489	491		238
490	492		Civil and Environmental Engineering Faculty Publications, Paper 3589,
491	493		239
492	494		http://utahsnowload.usu.edu/, for ground snow load values."
493	495		240
494	496		[(19)] (20) In IRC, Section R302.2, the following sentence is added at the end of the
495	497		241
496	498		paragraph: "When an access/maintenance agreement or easement is in place, plumbing,
497	499		242
498	500		mechanical ducting, schedule 40 steel gas pipe, and electric service conductors including
499	501		243
500	502		feeders, are permitted to penetrate the common wall at grade, above grade, or below
501	503		244
502	504		grade."
503	505		245
504	506		[(20)] (21) In IRC, Section R302.3, a new exception 3 is added as follows: "3. Accessory
505	507		246
506	508		dwelling units separated by walls or floor assemblies protected by not less than 1/2-inch
507	509		247
508	510		(12.7 mm) gypsum board or equivalent on each side of the wall or bottom of the floor
509	511		248
510	512		assembly are exempt from the requirements of this section."
511	513		249
512	514		[(21)] (22) In IRC, Section R302.5.1, the last sentence is deleted.
513	515		250
514	516		[(22)] (23) In IRC, Section R302.13, is deleted.
515		-	- 8 - Enrolled Copy H.B. 313
516	517		251
517	518		[(23)] (24) In IRC, Section R303.4, the following exception is added: "Exception: Dwelling
	519	+	- 8 - 03-06 15:55 4th Sub. (Green) H.B. 313
518	520		252
519	521		units tested in accordance with Section N1102.4.1.2 (R402.4.1.2) which has an air
520	522		253
521	523		tightness of 3.0 ACH (50) or greater do not require mechanical ventilation."
522	524		254
523	525		[(24)] (25) In IRC, Section R310.1, all words in the last sentence after "or to a yard or
524	526		255
525	527		court", are deleted, and Exception 3 of this section is deleted.
526	528		256
527	529		[(25)] (26) In IRC, Section R310.7, in the exception, the words "or accessory dwelling
528	530		257
529	531		units" are added after the words "sleeping rooms".
530	532		258 [(26)] (27) IRC, Sections R311.7.45 through R311.7.5.3, are deleted and replaced with the
531	533		259
532	534		following: "R311.7.45.1 Stair treads and risers. R311.7.5.1 Riser height. The maximum riser
533	535		260
534	536		height shall be 8 inches (203 mm). The riser shall be measured vertically between leading
535	537		261
536	538		edges of the adjacent treads. The greatest riser height within any flight of stairs shall not
537	539		262
538	540		exceed the smallest by more than 3/8 inch (9.5 mm).
539	541		263
540	542		R311.7.5.2 Tread depth. The minimum tread depth shall be 9 inches (228 mm). The
541	543		264
542	544		tread depth shall be measured horizontally between the vertical planes of the foremost
543	545		265
544	546		projection of adjacent treads and at a right angle to the tread's leading edge. The greatest tread
545	547		266
546	548		depth within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).
547	549		267
548	550		Winder treads shall have a minimum tread depth of 10 inches (254 mm) measured as above at
549	551		268
550	552		a point 12 inches (305 mm) from the side where the treads are narrower. Winder treads shall
551	553		269
552	554		have a minimum tread depth of 6 inches (152 mm) at any point. Within any flight of stairs, the
553	555		270
554	556		greatest winder tread depth at the 12-inch (305 mm) walk line shall not exceed the smallest by
555	557		271
556	558		more than 3/8 inch (9.5 mm).
557	559		272
558	560		R311.7.5.3 Nosing. The radius of curvature at the leading edge of the tread shall be no
559	561		273
560	562		greater than 9/16 inch (14.3 mm). A nosing not less than 3/4 inch (19 mm) but not more than
561	563		274
562	564		1 1/4 inches (32 mm) shall be provided on stairways with solid risers. The greatest nosing
563	565		275
564	566		projection shall not exceed the smallest nosing projection by more than 3/8 inch (9.5 mm)
565	567		276
566	568		between two stories, including the nosing at the level of floors and landings. Beveling of
567	569		277
568	570		nosing shall not exceed 1/2 inch (12.7 mm). Risers shall be vertical or sloped from the
569	571		278
570	572		underside of the leading edge of the tread above at an angle not more than 30 degrees (0.51
571	573		279
572	574		rad) from the vertical. Open risers are permitted, provided that the opening between treads
573	575		280
574	576		does not permit the passage of a 4-inch diameter (102 mm) sphere.
575	577		281
576	578		Exceptions.
577	579		282
578	580		1. A nosing is not required where the tread depth is a minimum of 10 inches (254 mm).
579	581		283
580	582		2. The opening between adjacent treads is not limited on stairs with a total rise of 30
581	583		284
582	584		inches (762 mm) or less."
583		-	- 9 - H.B. 313 Enrolled Copy
584	585		285
585	586		[(27)] (28) In IRC, Section R312.2, is deleted.
	587	+	- 9 - 4th Sub. (Green) H.B. 313 03-06 15:55
586	588		286
587	589		[(28)] (29) In IRC, Sections R313.1 through R313.2.1, are deleted and replaced with the
588	590		287
589	591		following: "R313.1 Design and installation. When installed, automatic residential fire
590	592		288
591	593		sprinkler systems for townhouses or one- and two-family dwellings shall be designed
592	594		289
593	595		and installed in accordance with Section P2904 or NFPA 13D."
594	596		290
595	597		[(29)] (30) In IRC, Section R314.2.2, the words "accessory dwelling units," are added after
596	598		291
597	599		the words "Where alterations, repairs."
598	600		292
599	601		[(30)] (31) In IRC, Section R315.2.2, the words "accessory dwelling units," are added after
600	602		293
601	603		the words "Where alterations, repairs."
602	604		294
603	605		[(31)] (32) In IRC, Section 315.3, the following words are added to the first sentence after
604	606		295
605	607		the word "installed": "on each level of the dwelling unit and."
606	608		296 [(32)] (33) A new IRC, Section R328.12, is added as follows:
607	609		297
608	610		"R328.12 Signage. A sign located on the exterior of the dwelling shall be installed at a
609	611		298
610	612		location approved by the authority having jurisdiction which identifies the battery chemistry
611	613		299
612	614		included in the ESS. This sign shall be of sufficient durability to withstand the environment
613	615		300
614	616		involved and shall not be handwritten."
615	617		301
616	618		[(33)] (34) In IRC, Section 403.1.3.5.3, an exception is added as follows: "Exception:
617	619		302
618	620		Vertical steel in footings shall be permitted to be located while concrete is still plastic
619	621		303
620	622		and before it has set. Where vertical steel resists placement or the consolidation of
621	623		304
622	624		concrete around steel is impeded, the concrete shall be vibrated to ensure full contact
623	625		305
624	626		between the vertical steel and concrete."
625	627		306
626	628		[(34)] (35) In IRC, Section R403.1.6, a new Exception 3 is added as follows: "3. When
627	629		307
628	630		anchor bolt spacing does not exceed 32 inches (813 mm) apart, anchor bolts may be
629	631		308
630	632		placed with a minimum of two bolts per plate section located not less than 4 inches (102
631	633		309
632	634		mm) from each end of each plate section at interior bearing walls, interior braced wall
633	635		310
634	636		lines, and at all exterior walls."
635	637		311
636	638		[(35)] (36) In IRC, Section R403.1.6.1, a new exception is added at the end of Item 2 and
637	639		312
638	640		Item 3 as follows: "Exception: When anchor bolt spacing does not exceed 32 inches
639	641		313
640	642		(816 mm) apart, anchor bolts may be placed with a minimum of two bolts per plate
641	643		314
642	644		section located not less than 4 inches (102 mm) from each end of each plate section at
643	645		315
644	646		interior bearing walls, interior braced wall lines, and at all exterior walls."
645	647		316
646	648		[(36)] (37) In IRC, Section R404.1, a new exception is added as follows: "Exception: As an
647	649		317
648	650		alternative to complying with Sections R404.1 through R404.1.5.3, concrete and
649	651		318
650	652		masonry foundation walls may be designed in accordance with IBC Sections 1807.1.5
651		-	- 10 - Enrolled Copy H.B. 313
652	653		319
653	654		and 1807.1.6 as amended in Section 1807.1.6.4 and Table 1807.1.6.4 under these rules."
	655	+	- 10 - 03-06 15:55 4th Sub. (Green) H.B. 313
654	656		320
655	657		[(37)] (38) In IRC, Section R405.1, a second exception is added as follows: "Exception:
656	658		321
657	659		When a geotechnical report has been provided for the property, a drainage system is not
658	660		322
659	661		required unless the drainage system is required as a condition of the geotechnical report.
660	662		323
661	663		The geotechnical report shall make a recommendation regarding a drainage system."
662	664		324
663	665		[(38)] (39) In IRC, Section R506.2.3, the words "10-mil (0.010 inch; 0.25 mm)" are deleted
664	666		325
665	667		and replaced with "6-mil (0.006 inch; 0.152 mm)" and the words "conforming to ASTM
666	668		326
667	669		E1745 Class A requirements" are deleted.
668	670		327
669	671		(40) In IRC, Section 507.2.1, Wood materials. The following sentence is added after the
670	672		328
671	673		words, "in accordance with section R317," "field applied weather resistant barrier
672	674		329
673	675		applied to the top of untreated material,".
674	676		330
675	677		Section 4. Section 15A-3-206 is amended to read:
676	678		331
677	679		15A-3-206 . Amendments to Chapters 36, 37, 39, and 44 and Appendix F of IRC.
678	680		332
679	681		(1) In IRC, Section E3601.6.2, a new exception is added as follows: "Exception: An
680	682		333
681	683		occupant of an accessory dwelling unit is not required to have access to the disconnect
682	684		334
683	685		serving the dwelling unit in which they reside."
684	686		335
685	687		(2) IRC, Section E3606.5, is deleted.
686	688		336 (3) IRC, Section E3601.7, is deleted and replaced with the following:
687	689		337
688	690		"3601.7 Maximum number of disconnects. The service disconnecting means shall consist of
689	691		338
690	692		not more than six switches or six sets of circuit breakers mounted in a single enclosure or in a
691	693		339
692	694		group of separate enclosures."
693	695		340
694	696		(4) In IRC, Section E3705.4.4, the following sentences are deleted:
695	697		341
696	698		"Where more than two NM cables containing two or more current-carrying
697	699		342
698	700		conductors are installed, without maintaining space between the cables, through the
699	701		343
700	702		same opening in wood framing should be sealed with thermal insulation, caulk or
701	703		344
702	704		sealing foam. The allowable ampacity of each conductor shall be adjusted in accordance
703	705		345
704	706		with Table E3705.3 and the provisions of Section E3701.3. Exception. may not apply."
705	707		346 (5) IRC, Section E3901.4.2, is deleted and replaced with the following:
706	708		347
707	709		"E3901.4.2 Island and Peninsular Countertops and Work Spaces. Receptacle outlets, if
708	710		348
709	711		installed to serve an island or peninsular countertop or work surface, shall be installed in
710	712		349
711	713		accordance with E3901.4.3. If a receptacle outlet is not provided to serve an island or
712	714		350
713	715		peninsular countertop or work surface, provisions shall be provided at the island or peninsula
714	716		351
715	717		for future addition of a receptacle outlet to serve the island or peninsular countertop or work
716	718		352
717	719		surface."
718		-	- 11 - H.B. 313 Enrolled Copy
719		-	353
720		-	[(5)] (6) IRC, Section E3901.4.3, is deleted and replaced with the following:
	720	+	353 [(5)] (6) IRC, Section E3901.4.3, is deleted and replaced with the following:
	721	+	- 11 - 4th Sub. (Green) H.B. 313 03-06 15:55
721	722		354
722	723		"E3901.4.3 Receptacle Outlet Location. [Receptacle] When installed, receptacle outlets
723	724		355
724	725		shall be located in one or more of the following:
725	726		356
726	727		1. On or above, but not more than 20 inches (508 mm) above a countertop or work
727	728		357
728	729		surface.
729	730		358
730	731		2. In a countertop using receptacle outlet assemblies listed for use in countertops.
731	732		359
732	733		3. In a work surface using receptacle outlet assemblies listed for use in work surface or
733	734		360
734	735		listed for use in countertops.
735	736		361
736	737		Receptacle outlets rendered not readily accessible by appliances fastened in place,
737	738		362
738	739		appliance garages, sinks, or range tops as covered in the exception to Section E3901.4.1 or
739	740		363
740	741		appliances occupying assigned spaces shall not be considered as these required outlets.
741	742		364
742	743		4. Under the countertop not more than 14 inches from the bottom leading edge of the
743	744		365
744	745		countertop."
745	746		366
746	747		[(6)] (7) In IRC, Section 3902.1, after the word "125-volt" add "single phase 15 and 20
747	748		367
748	749		ampere" and strike the words "through 250 volt."
749	750		368
750	751		[(7)] (8) In IRC, Section 3902.2, after the word "125-volt" add "single phase 15 and 20
751	752		369
752	753		ampere" and strike the words "through 250 volt."
753	754		370
754	755		[(8)] (9) In IRC, Section 3902.3, after the word "125-volt" add "single phase 15 and 20
755	756		371
756	757		ampere" and strike the words "through 250 volt."
757	758		372
758	759		[(9)] (10) In IRC, Section 3902.4, after the word "125-volt" add "single phase 15 and 20
759	760		373
760	761		ampere" and strike the words "through 250 volt."
761	762		374
762	763		[(10)] (11) In IRC, Section 3902.5, after the word "125-volt" add the words "single phase 15
763	764		375
764	765		and 20 ampere in unfinished portions of the basement shall have ground-fault
765	766		376
766	767		circuit-interrupter protection for personnel" and delete the rest of the section.
767	768		377
768	769		[(11)] (12) In IRC, Section 3902.6, after the word "125-volt" add "single phase 15 and 20
769	770		378
770	771		ampere" and strike the words "through 250 volt."
771	772		379
772	773		[(12)] (13) In IRC, Section 3902.7, after the word "125-volt" add "single phase 15 and 20
773	774		380
774	775		ampere" and strike the words "through 250 volt."
775	776		381
776	777		[(13)] (14) In IRC, Section 3902.8, after the word "125-volt" add "single phase 15 and 20
777	778		382
778	779		ampere" and strike the words "through 250 volt."
779	780		383
780	781		[(14)] (15) In IRC, Section 3902.9, after the word "125-volt" add "single phase 15 and 20
781	782		384
782	783		ampere" and strike the words "through 250 volt."
783	784		385
784	785		[(15)] (16) IRC, Section 3902.10, is deleted.
785	786		386
786	787		[(16)] (17) In IRC, Section 3902.12, after the word "125-volt" add "single phase 15 and 20
787		-	- 12 - Enrolled Copy H.B. 313
788	788		387
789	789		ampere" and strike the words "through 250 volt."
	790	+	- 12 - 03-06 15:55 4th Sub. (Green) H.B. 313
790	791		388
791	792		[(17)] (18) In IRC, Section 3902.13, after the word "125-volt" add "single phase 15 and 20
792	793		389
793	794		ampere" and strike the words "through 250 volt."
794	795		390
795	796		[(18)] (19) IRC, Section 3902.15, Crawl space lighting outlets, is deleted.
796	797		391
797	798		[(19)] (20) IRC, Section 3902.16, Equipment requiring servicing, is deleted.
798	799		392
799	800		[(20)] (21) IRC Section 3902.17, Outdoor outlets, is deleted.
800	801		393
801	802		[(21)] (22) IRC, Section 3902.19, Location of arc-fault circuit interrupters, is deleted.
802	803		394
803	804		[(22)] (23) IRC, Section E3902.20, Arc-fault circuit interrupter protection, is deleted.
804	805		395
805	806		[(23)] (24) IRC, Section E3902.21, Arc-fault circuit interrupter protection for branch circuit
806	807		396
807	808		extensions or modification, is deleted.
808	809		397
809	810		[(24)] (25) IRC, Section 4002.11, is deleted and replaced with the following: "4002.11
810	811		398
811	812		Bathtub and Shower Space. Receptacles shall not be installed within or directly over a
812	813		399
813	814		bathtub or shower stall."
814	815		400
815	816		[(25)] (26) IRC, Chapter 44, is amended by deleting the standard for "ANCE."
816	817		401
817	818		[(26)] (27) In IRC, Chapter 44, the standard for ASHRAE is amended by changing
818	819		402
819	820		"34-2013" to "34-2019."
820	821		403
821	822		[(27)] (28) In IRC, Chapter 44, the standard for CSA, is amended by changing the:
822	823		404
823	824		(a) standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
824	825		405
825	826		60335-2-40-2019"; and
826	827		406
827	828		(b) title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
828	829		407
829	830		Requirements for Motor-Compressors" to "Standard for Household and Similar
830	831		408
831	832		Electrical Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air
832	833		409
833	834		Conditioners and Dehumidifiers-3rd Edition."
834	835		410
835	836		[(28)] (29) In IRC, Chapter 44, the standard for UL, is amended by changing the:
836	837		411
837	838		(a) standard reference number "1995-2011" to "1995-2015";
838	839		412
839	840		(b) standard reference number "UL/CSA/ANCE 60335-2-40-2012" to "UL/CSA
840	841		413
841	842		60335-2-40-2019"; and
842	843		414
843	844		(c) title "Standard for Household and Similar Electrical Appliances, Part 2: Particular
844	845		415
845	846		Requirements for Motor-Compressors" to "Standard for Household and Similar
846	847		416
847	848		Electrical Appliances, Part 2-40, Requirements for Electric Heat Pumps, Air
848	849		417
849	850		Conditioners and Dehumidifiers-3rd Edition."
850	851		418 [(29)] (30) In IRC, Chapter 44, the standard for ANSI/RESNET/ICC 201-2019 Section 4.4.4 is
851	852		419
852	853		added as follows: "4.4.4. Air Source Heat Pumps and Air Conditioners. For Heat Pumps and
853	854		420
854	855		Air Conditioners with the more recent Manufacturers Equipment Performance Ratings (HSPF2
855		-	- 13 - H.B. 313 Enrolled Copy
856	856		421
857	857		or SEER2) available, and HSPF and SEER are not available, these ratings shall be converted
	858	+	- 13 - 4th Sub. (Green) H.B. 313 03-06 15:55
858	859		422
859	860		to HSPF and SEER values by dividing HSPF2 or SEER2 by the conversion factors in Table
860	861		423
861	862		4.4.4.1(1). If the type of equipment is not determined, the conversion shall default to the
862	863		424
863	864		Ducted Split System factors. All calculations, including Equation 4.1-1a shall use HSPF or
864	865		425
865	866		SEER values as made available by the Manufacturer or converted as specified in this section.
866	867		426
867	868		Table 4.4.4.1(1) SEER2 and HSPF2 Conversion Factors3.
868	869		427 Equipment Type SEER2/SEEREER/EER4 HSPF/HSPF428
869	870		Ductless Systems 1.00 1.00 0.90
870	871		429
871	872		Ducted Split System 0.95 0.95 0.85
872	873		430
873	874		Ducted Package System 0.95 0.95 0.84
874	875		431
875	876		Small Duct High Velocity System 1.00 not applicable0.85
876	877		432
877	878		Ducted Space-Constrained Air Conditioner 0.97 not applicablenot applicable
878	879		433
879	880		Ducted Space-Constrained Heat Pump not applicable0.85"
880	881		434 [(30)] (31) IRC, Chapter 44, is amended by adding the following reference standard:
881	882		435
882	883		436 "Standard reference numberTitle Referenced in code
883	884		section number
884	885		437
885	886		USC-FCCCHR 10th
886	887		Edition Manual of Cross
887	888		Connection Control
888	889		Foundation for Cross-Connection Control and
889	890		Hydraulic Research University of Southern
890	891		California Kaprielian Hall 300 Los Angeles
891	892		CA 90089-2531
892	893		Table P2902.3"
893	894		438
894	895		[(31)] (32) IRC, Chapter 44, is amended by adding the following reference standard: "UL
895	896		439
896	897		9540-20: Energy Storage Systems and Equipment; R328.1, R328.2, and R328.6."
897	898		440
898	899		[(32)] (33)(a) When passive radon controls or portions thereof are voluntarily installed,
899	900		441
900	901		the voluntary installation shall comply with Appendix F of the IRC.
901	902		442
902	903		(b) An additional inspection of a voluntary installation described in Subsection [(27)(a) ]
903	904		443
904	905		(28)(a) is not required.
905	906		444
906	907		Section 5. Section 15A-3-601 is amended to read:
907	908		445
908	909		15A-3-601 . General provisions.
909	910		446
910	911		The following are adopted as amendments to the NEC to be applicable statewide:
911	912		447
912	913		(1) The IRC provisions are adopted as the residential electrical standards applicable to
913	914		448
914	915		residential installations under the IRC. All other installations shall comply with the
915	916		449
916	917		adopted NEC.
917		-	- 14 - Enrolled Copy H.B. 313
918	918		450
919	919		(2) In NEC, Section 210.8(A), the words "through 250-volt" are deleted.
	920	+	- 14 - 03-06 15:55 4th Sub. (Green) H.B. 313
920	921		451
921	922		(3) In NEC, Section 210.8(A) number (5), the word "Basements" is deleted and replaced
922	923		452
923	924		with the following:
924	925		453
925	926		"Unfinished portions or areas of the basement not intended as habitable rooms."
926	927		454
927	928		(4) In NEC, Section 210.8(A), number (6), the following is added after the word "Kitchens":
928	929		455
929	930		"where the receptacles are installed to serve the countertop surfaces."
930	931		456
931	932		(5) In NEC, Section 210.8(A), number (7) is deleted.
932	933		457
933	934		(6) In NEC, Section 210.8(D), numbers (8) through (12) are deleted.
934	935		458
935	936		(7) NEC, Section 210.8(F), is deleted.
936	937		459 [(5)] (8) NEC, Sections 210.52(C) number (2) and number (3) are deleted and replaced with the
937	938		460
938	939		following:
939	940		461
940	941		"210.52(C)(2) Island and peninsular countertops and Work Surfaces. Receptacle outlets,
941	942		462
942	943		if installed to serve an island or peninsular countertop or work surface, shall be installed in
943	944		463
944	945		accordance with 210.52(C)(3). If a receptacle outlet is not provided to serve an island or
945	946		464
946	947		peninsular countertop or work surface, provisions shall be provided at the island or peninsula
947	948		465
948	949		for future addition of a receptacle outlet to serve the island or peninsular countertop or work
949	950		466
950	951		surface.
951	952		467
952	953		210.2(C)(3) Receptacle outlet location. Receptacle outlets shall be located in one or
953	954		468
954	955		more of the following:
955	956		469
956	957		(a) On or above, but not more than 500 mm (20 inches) above a countertop or work
957	958		470
958	959		surface.
959	960		471
960	961		(b) In a countertop using receptacle assemblies listed for use in countertops.
961	962		472 (c) In a work surface using receptacle outlet assemblies listed for use in work surfaces or listed
962	963		473
963	964		for use in countertops.
964	965		474
965	966		Receptacle outlets rendered not readily accessible by appliances fastened in place,
966	967		475
967	968		appliance garages, sinks, or range tops as covered in the exception to 210.52(C)(1), occupying
968	969		476
969	970		assigned spaces shall not be considered as these required outlets.
970	971		477
971	972		Exception: In dwelling units designed to be accessible to persons with disabilities,
972	973		478
973	974		receptacles shall be permitted to be installed not more than 300 mm (12 inches) below the
974	975		479
975	976		countertop or work surface. Receptacles installed below a countertop or work surface shall not
976	977		480
977	978		be located where the countertop or work surface extends more than 150 mm (6 inches) beyond
978	979		481
979	980		its support or base."
980	981		482
981	982		[(6)] (9) NEC, Section 210.12, is deleted.
982	983		483
983	984		[(7)] (10) NEC, Section 210.65, is deleted.
984		-	- 15 - H.B. 313 Enrolled Copy
985	985		484
986	986		(11) NEC, Section 215.18, is deleted.
	987	+	- 15 - 4th Sub. (Green) H.B. 313 03-06 15:55
987	988		485
988	989		(12) NEC, Section 225.42 is deleted.
989	990		486
990	991		[(8)] (13) NEC, Section 230.67, is deleted.
991	992		487 [(9)] (14) NEC, Section 230.71, is deleted and replaced with the following:
992	993		488
993	994		"230.71 Maximum Number of Disconnects.
994	995		489
995	996		(A) General. The service disconnecting means for each service permitted by 230.2, or for
996	997		490
997	998		each set of service-entrance conductors permitted by 230.40, Exception No. 1, 3, 4, or 5 shall
998	999		491
999	1000		consist of not more than six switches or sets of circuit breakers, or a combination of not more
1000	1001		492
1001	1002		than six switches and sets of circuit breakers, mounted in a single enclosure, in a group of
1002	1003		493
1003	1004		separate enclosures, or in or on a switchboard or in switchgear. There shall be not more than
1004	1005		494
1005	1006		six sets of disconnects per service grouped in any one location. For the purpose of this section,
1006	1007		495
1007	1008		disconnecting means installed as part of listed equipment and used solely for the following
1008	1009		496
1009	1010		shall not be considered a service disconnecting means:
1010	1011		497
1011	1012		(1) Power monitoring equipment;
1012	1013		498
1013	1014		(2) Surge-protective device(s);
1014	1015		499
1015	1016		(3) Control circuit of the ground-fault protection system; or
1016	1017		500
1017	1018		(4) Power-operable service disconnecting.
1018	1019		501
1019	1020		(B) Single-Pole Units. Two or three single-pole switches or breakers, capable of individual
1020	1021		502
1021	1022		operation, shall be permitted on multiwire circuits, one pole for each ungrounded conductor, as
1022	1023		503
1023	1024		one multipole disconnect, provided they are equipped with identified handle ties or a master
1024	1025		504
1025	1026		handle to disconnect all conductors of the service with no more than six operations of the hand.
1026	1027		505
1027	1028		(C) Beginning on July 1, 2027, Section 230.71(B) is no longer in effect."
1028	1029		506
1029	1030		[(10)] (15) NEC, Section 314.27(C), is deleted and replaced with the following: "314.27(C)
1030	1031		507
1031	1032		Boxes at Ceiling-Suspended (Paddle) Fan Outlets. Outlet boxes or outlet box systems
1032	1033		508
1033	1034		used as the sole support of a ceiling-suspended (paddle) fan shall be listed, shall be
1034	1035		509
1035	1036		marked by their manufacturer as suitable for this purpose, and shall not support
1036	1037		510
1037	1038		ceiling-suspended (paddle) fans that weigh more than 32 kg (70 lb). For outlet boxes or
1038	1039		511
1039	1040		outlet box systems designed to support ceiling-suspended (paddle) fans that weigh more
1040	1041		512
1041	1042		than 16 kg (35 lb), the required marking shall include the maximum weight to be
1042	1043		513
1043	1044		supported."
1044	1045		514
1045	1046		(16) In NEC, Section 334.24, the last sentence is deleted and replaced with the following:
1046	1047		515
1047	1048		"For flat cables, the minor diameter dimension of the cable shall be used to determine
1048	1049		516
1049	1050		the bending radius when bending on the flat side of the cable. For all other bends, the
1050	1051		517
1051	1052		major diameter dimension shall be used."
1052		-	- 16 - Enrolled Copy H.B. 313
1053	1053		518
1054	1054		[(11) NEC, Section 406.9(C), is deleted and replaced with the following: "406.9(C) Bathtub
	1055	+	- 16 - 03-06 15:55 4th Sub. (Green) H.B. 313
1055	1056		519
1056	1057		and Shower Space. Receptacles shall not be installed within or directly over a bathtub or
1057	1058		520
1058	1059		shower stall."]
1059	1060		521
1060	1061		(17) In NEC, Section 334.80, the second paragraph is deleted.
1061	1062		522
1062	1063		(18) In NEC, Section 338.24, the last sentence is deleted and replaced with the following:
1063	1064		523
1064	1065		"For flat cables, the minor diameter dimension of the cable shall be used to determine
1065	1066		524
1066	1067		the bending radius when bending on the flat side of the cable. For all other bends, the
1067	1068		525
1068	1069		major diameter dimension shall be used."
1069	1070		526
1070	1071		(19) In NEC, Section 406.9(B) number (2), the following words are deleted:
1071	1072		527
1072	1073		"be listed weather-resistant type, and installation shall".
1073	1074		528
1074	1075		(20) NEC, Section 700.3(A) is deleted and replaced with the following:
1075	1076		529
1076	1077		"700.3(A) Conductor Witness Test.
1077	1078		530
1078	1079		The authority having jurisdiction shall conduct or witness a test of the complete
1079	1080		531
1080	1081		system upon installation and periodically afterward."
1081	1082		532
1082	1083		Section 6. Section 19-2-107.7 is amended to read:
1083		-	~~533~~
	1084	+	101
1084	1085		19-2-107.7 . Water heater regulations.
1085		-	~~534~~
	1086	+	533a
1086	1087		(1) As used in this section:
1087		-	~~535~~
	1088	+	533b
1088	1089		(a) "Natural gas-fired water heater" means a device that heats water by the combustion
1089		-	~~536~~
	1090	+	533c
1090	1091		of natural gas to a thermostatically-controlled temperature not exceeding 210 degrees
1091		-	~~537~~
	1092	+	533d
1092	1093		Fahrenheit for use external to the vessel at pressures not exceeding 160 pounds per
1093		-	~~538~~
	1094	+	533e
1094	1095		square inch gauge.
1095		-	~~539~~
	1096	+	533f
1096	1097		(b) "Ozone nonattainment area" means an area that does not meet the primary or
1097		-	~~540~~
	1098	+	533g
1098	1099		secondary air quality standards for ozone under the national ambient air quality
1099		-	~~541~~
	1100	+	533h
1100	1101		standards described in 42 U.S.C. Sec. 7407(d).
1101		-	~~542~~
	1102	+	533i
1102	1103		(c) "PM2.5 nonattainment area" means an area that does not meet the primary or
1103		-	~~543~~
	1104	+	533j
1104	1105		secondary air quality standards for fine particulate matter, PM2.5, under the national
1105		-	~~544~~
	1106	+	533k
1106	1107		ambient air quality standards described in 42 U.S.C. Sec. 7407(d).
1107		-	~~545~~
	1108	+	533l
1108	1109		[(b)] (d) "Recreational vehicle" means a motor home, travel trailer, truck camper, or
1109		-	~~546~~
	1110	+	533m
1110	1111		camping trailer, with or without motive power, designed for human habitation for
1111		-	~~547~~
	1112	+	533n
1112	1113		recreational, emergency, or other occupancy.
1113		-	~~548~~
	1114	+	533o
1114	1115		(2) A person may not sell or purchase a natural gas-fired water heater that is manufactured
1115		-	~~549~~
	1116	+	533p
1116	1117		after July 1, 2018 with the intent to install it in Utah if the natural gas-fired water heater
1117		-	~~550~~
	1118	+	533q
1118	1119		exceeds the applicable nitrogen oxide emission rate limit set in Title 15A, State
1119		-	~~551~~
	1120	+	533r
1120	1121		Construction and Fire Codes Act.
1121		-	- 17 - H.B. 313 Enrolled Copy
1122		-	552
	1122	+	533s
1123	1123		(3) A manufacturer in Utah shall display the model number and nitrogen oxide emission
1124		-	553
	1124	+	- 17 - 4th Sub. (Green) H.B. 313 03-06 15:55
	1125	+	533t
1125	1126		rate of a water heater complying with this section on:
1126		-	~~554~~
	1127	+	533u
1127	1128		(a) the shipping carton for the water heater; and
1128		-	~~555~~
	1129	+	533v
1129	1130		(b) the permanent rating plate of each water heater unit.
1130		-	~~556~~
	1131	+	533w
1131	1132		(4) This section does not apply to a water heater unit that:
1132		-	~~557~~
	1133	+	533x
1133	1134		(a) uses a fuel other than natural gas;
1134		-	~~558~~
	1135	+	533y
1135	1136		(b) is used in a recreational vehicle; [or]
1136		-	~~559~~
	1137	+	533z
1137	1138		(c) is manufactured in Utah for shipment and use outside of Utah[.] ; or
1138		-	~~560~~
	1139	+	533aa
1139	1140		(d) is intended to be installed in an area of Utah that is not included in an ozone
1140		-	~~561~~
	1141	+	533bb
1141	1142		nonattainment area or a PM2.5 nonattainment area.
1142		-	~~562~~
	1143	+	533cc
1143	1144		Section 7. Effective Date.
1144		-	~~563~~
	1145	+	533dd
1145	1146		This bill takes effect on July 1, 2025.
1146		-	~~564~~
	1147	+	533ee
1147	1148		Section 8. Coordinating H.B. 313 with H.B. 175.
1148		-	~~565~~
	1149	+	533ff
1149	1150		If H.B. 313, State Construction and Electrical Standards Amendments, and H.B. 175,
1150		-	~~566~~
	1151	+	533gg
1151	1152		Housing Construction Amendments, both pass and become law, the Legislature intends that,
1152		-	~~567~~
	1153	+	533hh
1153	1154		on July 1, 2025, the amendments to Section 15A-3-202 in H.B. 313 supersede the amendments
1154		-	~~568~~
	1155	+	533ii
1155	1156		to Section 15A-3-202 in H.B. 175.
1156	1157		- 18 -