HB 65 — Construction Code Amendments

[(15)] (17) In IBC, Section 308.2, in the list of items under "This group shall include," the words "Type-I Large and Type-II Small, see Section 308.2.5" are added after "Assisted living facilities." [(16)] (18) In IBC, Section 308.2.4, all of the words after the first International Residential Code are deleted.

- 8 - HB0065 compared with HB0065S04 "308.3 Institutional Group I-2.

"308.5.1- Classification8 as- GroupEnrolled E.Copy H.B.

65 "308.5.1 Classification as Group E.

(27)"308.5.4 AChild newday IBCcare Sectionfacilities 308.5.5ancillary isto addedthe asmain follows:occupancy.

[(24)]A (28)facility IBC,where Sectionany 310.4,number isof deletedchildren andreceive replacedsuch withday care may be classified as an accessory occupancy if the following:area complies with Section 508.2." (27) A new IBC Section 308.5.5 is added as follows:

-"308.5.5 9Four -or HB0065fewer comparedpersons withreceiving HB0065S04care "310.4in Residentiala Groupdwelling-unit. R-3.

A facility such as the above within a dwelling unit and having four or fewer persons receiving custodial care shall be classified as a Group R-3 occupancy or shall comply with the International Residential Code." [(24)] (28) IBC, Section 310.4, is deleted and replaced with the following:

"310.4 Residential Group R-3.

Residential certificate child care facility Licensed family child care facility Congregate living facilities (nontransient) with 16 or fewer occupants Boarding houses (nontransient) Convents- Dormitories9 Fraternities- andH.B. sororities Monasteries Congregate living facilities (transient) with 10 or fewer occupants Boarding houses (transient) Lodging houses (transient) with five or fewer guest rooms and 10 or fewer occupants" [(25)] (29) IBC, Section 310.4.1, is deleted and replaced with the following:

65 Enrolled Copy Convents Dormitories Fraternities and sororities Monasteries Congregate living facilities (transient) with 10 or fewer occupants Boarding houses (transient) Lodging houses (transient) with five or fewer guest rooms and 10 or fewer occupants" [(25)] (29) IBC, Section 310.4.1, is deleted and replaced with the following:

- 10 - HB0065 compared with HB0065S04 2.

Child day care facilities may be classified as accessory occupancies if the area complies with Section 508.2." (33) In IBC, Section 310.5, the words "Type II Limited Capacity and Type I Small, see Section 310.5.3" are added after the words "assisted living facilities." [(29)]- (34)10 A- newEnrolled IBC,Copy SectionH.B. 310.5.3, is added as follows:

65 [(29)] (34) A new IBC, Section 310.5.3, is added as follows:

15A-3-103.15A-3-103 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 4 through 6 of IBC.

- 11 - HB0065 compared with HB0065S04 "3.

Aircraft hangars of Type I or II construction that are less than 5,000 square- feet11 (464.5m2)- inH.B. area." (10) A new IBC, Section 422.2.1, is added as follows:

65 Enrolled Copy square feet (464.5m2) in area." (10) A new IBC, Section 422.2.1, is added as follows:

- 12 - HB0065 compared with HB0065S04 429.2 Definitions.

This would also include Child Care Centers, Out of School Time- or12 Hourly- ChildEnrolled CareCopy CentersH.B. licensed by the Department of Health and Human Services] Hourly Child Care Center.

65 Time or Hourly Child Care Centers licensed by the Department of Health and Human Services] Hourly Child Care Center.

Providing care for clients listed in the following two groups:] Out-Out-of-School-Time of-School-Time Child Care Program.

A facility where child care is provided for direct or indirect compensation on an ongoing basis in the absence of the child's parent for five or more unrelated children who are at least five years {of age } old for less than 24 hours a day, in a place that is not the provider's or child's home.

- 13 - HB0065 compared with HB0065S04 [429.2.4.1 Type 1:

429.3- [Family13 Day- Care]H.B. Day Care Facilities.

65 Enrolled Copy 429.3 [Family Day Care] Day Care Facilities.

All staff shall - 14 - HB0065 compared with HB0065S04 be trained on the fire escape plan and procedure.

} 429.3.3.1 Child day care facilities having four or fewer children receiving care in a dwelling unit may be located in a Group R-2 occupancy.

All Group E child day care spaces with an occupant- load14 of- moreEnrolled thanCopy 10H.B. shall have a second means of egress.

65 occupant load of more than 10 shall have a second means of egress.

} 429.3.4.2 Child day care spaces for children over the age of two may be located one story above the level of exit discharge in buildings equipped with a 903.3.1.1 NFPA 13 sprinkler - 15 - HB0065 compared with HB0065S04 system throughout and the building is protected by an automatic fire detection system installed in accordance with Section 907.429.3.4.3.

All Group E child day care spaces with an occupant load of more than 10 shall have a second means of egress.

If the second means of egress is not an exit door leading directly to the exterior, the room shall have an emergency escape and rescue window complying with Chapter 10.

- 16 - HB0065 compared with HB0065S04 429.4.2 Emergency Evacuation Drills shall be completed as required in IFC, Chapter 4, Section 405.

Group E child day care centers shall be located at the level of exit discharge] Child day care shall not be located on a story more than two stories above grade.- 15 - H.B.

65 Enrolled Copy grade.

- 17 - HB0065 compared with HB0065S04 429.5.1 Heating equipment, fireplaces, and cooking equipment in spaces occupied by children shall be provided with partitions, screens, or other means to protect children from hot surfaces and open flames.

}- "504.4.116 Group- I-2Enrolled AssistedCopy LivingH.B. Facilities.

65 "504.4.1 Group I-2 Assisted Living Facilities.

The total combined area of both stories does not exceed the total allowable area for a one-one-story, story, above grade plane building equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1.

} "504.5 Group 1-2 Secured areas in Assisted Living Facilities.

15A-3-104.15A-3-104 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 7 through 9 of IBC.

- 18 - HB0065 compared with HB0065S04 902.1.2 A minimum clear and unobstructed distance of 12-inches shall be provided between all other installed equipment and appliances.

Fire pumps and controllers shall be provided with ready access.- 17 - H.B.

65 Enrolled Copy access.

- 19 - HB0065 compared with HB0065S04 (F) 902.6 Lighting.

"2.- 18 - Enrolled Copy H.B.

65 "2.

Single story Group R-1 occupancies with fire areas not more than 2,000 square feet that contain no installed plumbing or heating, where no cooking occurs, and constructed of Type I-A, I-I-B, B, II-A, or II-B construction.

A Group S-1 fire area is located more than three stories above the lowest level of fire department vehicle access." - 20 - HB0065 compared with HB0065S04 [(10)] (9) In IBC, Section 905, a new subsection, Section (F)905.3.9, is added as follows:

"A manual fire alarm system that initiates the occupant notification signal using an emergency voice/alarm communication system that meets the requirements of Section (F)- 907.5.2.2,19 or- aH.B. manual fire alarm system that initiates an approved audible and visual occupant notification signal that meets the requirements of Sections (F)907.5.2.1, (F)907.5.2.1.1, (F)907.5.2.1.2, and (F)907.5.2.3, and is installed in accordance with Section (F)907.6 shall be installed in Group E occupancies.

65 Enrolled Copy (F) 907.5.2.2, or a manual fire alarm system that initiates an approved audible and visual occupant notification signal that meets the requirements of Sections (F)907.5.2.1, (F)907.5.2.1.1, (F)907.5.2.1.2, and (F)907.5.2.3, and is installed in accordance with Section (F)907.6 shall be installed in Group E occupancies.

- 21 - HB0065 compared with HB0065S04 (F) 907.2.3.2 Where structures are not protected or are partially protected with an automatic fire sprinkler system, approved automatic smoke detectors shall be installed in accordance with the complete coverage requirements of NFPA, Standard 72.

(B)- The20 notification- applianceEnrolled circuitsCopy shallH.B. be designated and installed Class A as defined in NFPA, Standard 72.

65 (B) The notification appliance circuits shall be designated and installed Class A as defined in NFPA, Standard 72.

(The installation of carbon monoxide detectors in boiler rooms and - 22 - HB0065 compared with HB0065S04 furnace rooms may cause a false alarm problem.

(12)- Other21 areas- withH.B. an open flame or fuel fired appliance.

65 Enrolled Copy (12) Other areas with an open flame or fuel fired appliance.

All wiring shall be Class "A" or "B." - 23 - HB0065 compared with HB0065S04 (F) 915.7.2 Equipment shut down.

The Deputy shall require "spot testing"- of22 the- systemEnrolled andCopy itsH.B. components.

65 testing" of the system and its components.

15A-3-105.15A-3-105 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 10 through 12 of IBC.

- 24 - HB0065 compared with HB0065S04 (1) In IBC, Section 1010.2.4, number (2), the following is added at the end of the sentence:

["1010.2.14.1 ] 1010.2.13.1"1010.2.13.1 Blended assisted living facilities.

["- ]23 "3.- H.B.

65 Enrolled Copy [" ] "3.

- 25 - HB0065 compared with HB0065S04 (7) In IBC, Section 1110.4.1(4), the following is added at the end of the sentence:

"as defined in Section 72-7-502 of the Utah Code." Section 6.

15A-3-106.15A-3-106 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 13 through 15 of IBC.

Section"(2) 7.Where permitted by the roof covering manufacturer, any existing layers of polyisocyanurate insulation, expanded polystyrene (EPS), or extruded polystyrene (XPS), shall be permitted to remain in place if the roof deck is evaluated, is in serviceable condition, and the insulation is not damaged, deteriorated or water soaked.

All other types of roof insulation and any areas of damage, deteriorated or water soaked insulation shall be removed and replaced with new insulation." Section 7.

15A-3-107.15A-3-107 (Effective upon governor's approval).

(EffectiveAmendments upon governor's approval)Amendments to Chapter 16 of IBC.

Type II Assisted Living Facilities that are I-2 Condition 1 occupancy classifications in accordance with Section 308- shall24 be- RiskEnrolled CategoryCopy IIH.B. in this table."] [(2)] (1) In IBC, Section 1605.1, Exception 2 is deleted and replaced with the following:

65 308 shall be Risk Category II in this table."] [(2)] (1) In IBC, Section 1605.1, Exception 2 is deleted and replaced with the following:

Where flat roof snow loads exceed [30] 45 pounds per square foot [(1.44kN/[(1.44kN/m2)] m2)] (2.15kN/m2), the snow loads [may be reduced] shall be in accordance with the following in load combinations including both snow and seismic loads.

The[ Importance Factor, I, ] Risk Category factor used in calculating Pf may be considered [1.0] Risk Category II." [(3)] (2) In IBC, Section 1605.1 a new [exception{][exception Exception} {[} 4] Exception 5 is added as follows:

ASCE [7-16] 7-22 Section 2.3.6 Equation 6 shall be modified to 1.2D + Ev + Eh + L +f2S and 1.2D + Ev + Emh + L +f2S with f2 = [(0.20 +0.025(A-5)) ] f2 = (0.15 + 0.016 (A-5)) where the roof snow load exceeds [30] 45 pounds per square foot [(1.44kN/m2)] (2.15kN/m2).

- 26 - HB0065 compared with HB0065S04 Where A = Elevation above sea level at the location of the structure (ft/1000).

Where- ground25 snow- loadsH.B. exceed 75 psf, eaves shall be capable of sustaining a uniformly distributed load of 2pf on all overhanging portions.

65 Enrolled Copy Where ground snow loads exceed 75 psf, eaves shall be capable of sustaining a uniformly distributed load of 2pf on all overhanging portions.

See Table 7.2-9 for Utah.] [(d) Add Table 7.2-9 as follows:] [TABLE 7.2-9 GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH City/Town County Ground Snow Load (lb/ft2) Elevation (ft) Beaver Beaver 35 5886 - 27 - HB0065 compared with HB0065S04 Brigham City Box Elder 42 4423 Castle Dale Emery 32 5669 Coalville Summit 57 5581 Duchesne Duchesne 39 5508 Farmington Davis 35 4318 Fillmore Millard 30 5138 Heber City Wasatch 60 5604 Junction Piute 27 6030 Kanab Kane 25 4964 Loa- Wayne 37 7060 Logan Cache 43 4531 Manila Daggett 26 6368- MantiEnrolled SanpeteCopy 37H.B. 5620 Moab Grand 21 4029 Monticello San Juan 67 7064 Morgan Morgan 52 5062 Nephi Juab 39 5131 Ogden Weber 37 4334 Panguitch Garfield 41 6630 Parowan Iron 32 6007 Price Carbon 31 5558 Provo Utah 31 4541 Randolph Rich 50 6286 Richfield Sevier 27 5338 St.

65 Loa Wayne 37 7060 Logan Cache 43 4531 Manila Daggett 26 6368 Manti Sanpete 37 5620 Moab Grand 21 4029 Monticello San Juan 67 7064 Morgan Morgan 52 5062 Nephi Juab 39 5131 Ogden Weber 37 4334 Panguitch Garfield 41 6630 Parowan Iron 32 6007 Price Carbon 31 5558 Provo Utah 31 4541 Randolph Rich 50 6286 Richfield Sevier 27 5338 St.

- 28 - HB0065 compared with HB0065S04 1.

4.- 27 - H.B.

65 Enrolled Copy 4.

Section"1613.1.2 8.Equivalent Lateral Forces (ELF) Procedure.

In ASCE 7 Section 12.8.1.1 the first paragraph is deleted and replaced with the following:

Where the design special acceleration parameter Sa determined in accordance with either Section 11.4.5.1 or Chapter 21 is available, Method 1 shall be used to determine the seismic response coefficient, Cs.

Where Exception 2 of Section 11.4.5 applies, Method 1 shall not be used.

The lower bound for the seismic response coefficient, Cs, provided in Eq.12.8-6 or 12.8-7 shall be applicable for both Method 1 and Method 2." Section 8.

15A-3-108.15A-3-108 (Effective upon governor's approval).

(EffectiveAmendments upon governor's approval)Amendments to Chapters 17 through 19 of IBC.

Group R, Division 3 Occupancies three stories or less in height, and Group U Occupancies, which are constructed in accordance with Section 2308, or with other methods employing repetitive wood-frame construction or repetitive - 29 - HB0065 compared with HB0065S04 cold-formed steel structural member construction, shall be permitted to have concrete foundations constructed in accordance with Table 1807.1.6.4." (2) A new IBC, Table 1807.1.6.4 is added as follows:

"TABLE 1807.1.6.4 EMPIRICAL FOUNDATION WALLS (1,7,8) Max.- 28 - Enrolled Copy H.B.

HeightTop65 EdgeMax. Min.

Height Top Edge Min.

LintelMin.Min.

Lintel Support Thickn Steel (2) tal Steel Openings Length(4) Lintel Length ess (2) Steel (4) (3) Length 2'(610 mm) None 6" (5) 2- #4 Bars 2- #4 Bars 2'(610 mm)2"mm) 2" for each foot above foot of opening 1- #4 Bar each width;

each side min.

6" 1- #4 Bar below 3'(914 mm) None 6" #4@3 2" 3- #4 Bars 2- #4 Bars 2'(610 mm)2"mm) 2" for each foot above foot of opening 1- #4 Bar each width;

each side min.

6" 1- #4 Bar below 4'(1,219 None 6" #4@3 2" 4- #4 Bars 2- #4 Bars 3'(914 mm)2"mm) 2" for each foot mm) above foot of opening 1- #4 Bar each width;

each side min.

6" 1- #4 Bar below 6'(1,829 Floor or 8" #4@2 4" 5- #4 Bars 2- #4 Bars 6'(1,829 2" for each foot mm) or roof above mm) foot of opening Diaphra 1- #4 Bar each width;

gm (6) each side min.

6" - 30 - HB0065 compared with HB0065S04 1- #4 Bar below 8'(2,438 Floor or 8" #4@2 4" 6- #4 Bars 2- #4 Bars 6'(1,829 2" for each foot mm) or roof above mm) foot of opening Diaphra 1- #4 Bar each width;

gm (6) each side min.

6" 1- #4 Bar below 9'(2,743- Floor29 or- 8"H.B. #4@1 6" 7- #4 Bars 2- #4 Bars 6'(1,829 2" for each foot mm) roof above mm) of opening Diaphra 1- #4 Bar width;

gm65 (6)Enrolled Copy 9'(2,743 Floor 8" #4@1 6" 7- #4 Bars 2- #4 Bars 6'(1,829 2" for each sidemm) min.or roof above mm) foot of opening Diaphra 1- #4 Bar each width;

gm (6) side min.

- 31 - HB0065 compared with HB0065S04 (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." (3) A new{new Section} [IBC, Section 1905.1.9] Section 1904.3, is added as follows:

"1905.8- In30 ACI- 318,Enrolled SectionCopy 18.10.3H.B. is deleted and replaced with the following:

65 "1905.8 In ACI 318, Section 18.10.3 is deleted and replaced with the following:

Table 18.10.3.3.3 Factors Ωv and ωv Condition Ωv ωv hwcs/lw≤1.0 1.0 1.0 1.0 < hwcs/lw < 2.0 Linear interpolation permitted 1.0 between 1.0 and 1.5 hwcs/lw ≥ 2.0 1.5 0.8 + 0.09hn1/3 1.0 - 32 - HB0065 compared with HB0065S04 18.10.3.3.4 If the general building code includes provision to account for over strength of the seismic-force-resisting system, it shall be permitted to take Ωv ωv equal to Ωo.

"1905.9 In ACI 318, Section 21.2.4.1, the following words are added after the words "resist E", except for walls where Ωv ≥1.5 or if ωv is taken as equal to Ωo." (6) A new IBC, Section 1909, Modifications to ACI 318, is added as follows:

(7)"1909.1 1909.5General. ACI 318, Section 22.5.5.1.1, is deleted and replaced with the following:

SectionThe 9.text of ACI 318 shall be modified as indicated in Sections 1909.2 through 1909.5.

- 31 - H.B.

65 Enrolled Copy 1909.2 ACI 318 Section 13.2.6.2, For shallow foundation members continuously supported by soil and designed based upon the assumption of rigid behavior of the shallow member, (a) and (b) shall be permitted:

(a) For one-way shear strength, Vc shall be taken as:

Vc = 2√flcbwd.

(b) For two-way shear strength, the size factor, λs, specified in 22.6 shall be taken equal to 1.0.

1909.3 ACI 318, Section 13.3.6.1.1 is added as follows:

13.3.6.1.1 It shall be permitted to calculate Vc for cantilever retaining wall as Vc =2λ√ flcbwd.

1909.4 ACI 318, Section 13.3.7 Basement Walls is added as follows:

13.3.7.1 The design of basement walls to resist out-of-plane lateral earth pressures shall satisfy (a) through (e):

(a) Basement walls shall be designed as one-way slabs in accordance with the applicable provision of Chapter 7 or as two-way slabs in accordance with the applicable provision of Chapter 8.

(b) Basement walls shall be designed to resist hydrostatic pressure, if applicable.

(c) It shall be permitted to calculate the one-way sheer strength of concrete as Vc = 2λ√ flcbwd.

(d) For two-way shear strength, the size effect factor λs, as specified in 22.6 shall be taken equal to 1.0.

(e) Basement walls shall satisfy the applicable provision of Chapter 18.13.3.7.2.

For loads other than out-of-plane lateral earth pressure, basement walls shall satisfy the applicable provisions of Chapter 11." (7) 1909.5 ACI 318, Section 22.5.5.1.1, is deleted and replaced with the following:

"22.5.5.1.1 Vc shall not be taken as greater than 5λ√flcbwd.

Vc need not be taken less than λ√flcbwd except in cases (a) or (b):

(a) elements subject to net axial tension (b) if Sections 18.6.5.2 or 18.7.6.2.1 apply." Section 9.

Part15A-3-110 11.(Effective 07/01/26).

Statewide Amendments to theChapters International23 Wildland-Urbanthrough Interface25 Codeof 15A-3-110.IBC.

(Effective 07/01/26)Amendments to Chapters 23 through 25 of IBC.

[ ]The allowable stress increase of 1.15 for snow load, shown in Table 2.3.2, Frequently Used Load Duration Factors, Cd, of the National Design Specifications, shall not be utilized at elevations above 5,000 feet (1,524- M)."32 (2)- [In]Enrolled [IBC,Copy SectionH.B. 2308.3.1] In IBC, Section 2308.7.1, the words "6 feet (1829 mm)" and "4 feet (1219 mm)" are deleted and each replaced with the words "32 inches." (3) A new IBC, Section 2406.6, is added as follows:

65 (1,524 M)." (2) [In] [IBC, Section 10.2308.3.1] In IBC, Section 2308.7.1, the words "6 feet (1829 mm)" and "4 feet (1219 mm)" are deleted and each replaced with the words "32 inches." (3) A new IBC, Section 2406.6, is added as follows:

"2406.6 Glazing in Educational Occupancies (K-12).

Exterior entrance level windows within 25 feet of an exterior entrance shall have ballistic glass or security glazing, extending from ground level to a minimum height of six feet from ground level.

Windows surrounding the interior of the classroom entrance or instructional areas shall have ballistic glass or security glazing installed, extending from the floor to a minimum height of six feet from the floor.

2406.6.1 Standard for Security Glazing in Educational Occupancies (K-12).

For the purpose of this section, Ballistic glass is defined as glass certified at a minimum level of:

(i) Underwriters Laboratories Standard UL752-23, Standard for Bullet-Resisting Equipment,Threat Level UL-RF-E from Table C1 (Legacy Level) (2023);

or (ii) ASTM F3279-24, Standard Test Methods for Ballistic Resistant Security Glazing Materials,Threat and Performance Level 4, Ballistic Test Identity (BTI) R1-T1-C5-2L under Table 1,Ballistic Criteria (2021).

Security glazing is defined as a clear or tinted durable material applied to glass doors and windows that enhances the structural integrity of the glass by preventing it from shattering and falling to the ground when impacted by an object and meets the minimum standard established by:

(i) ASTM F3561, Standard Test Method for Forced-Entry-Resistance of Fenestration Systems After Simulated Active Shooter Attack, minimum level 3 of Table 2, Potential Energy of Impactor and Drop Height (2023);

or (ii) ANSI Z97.1-15 (R20) American National Standards For Safety Glazing Materials used in Buildings safety performance specifications and methods of test, shall meet the durability requirements of Sections 5.3 and 5.4.

References:

Minimum Safety and Security Standards for School Facilities State Security Chief:

Subsections 53-22-102(3)(b) and (c) County Security Chief:

Subsection 53-22-103(2) State Board of Education Construction Guidelines:

Sections 53E-3-702;

53E-3-706 Panic device:

Section 56G-8-805" Section 10.

15A-3-202.- 33 - H.B.

(Effective65 07/01/26)AmendmentsEnrolled toCopy Chapters15A-3-202 1(Effective through07/01/26). 5 of IRC.

Amendments to Chapters 1 through 5 of IRC.

"This code shall not require modifications to a building component that is not being alteredasaltered as part of an alteration, movement, replacement or repair of an existing structure." (2) In IRC, Section R101.2, Exception, [the words] the following words are deleted:

A triplex or fourplex of no more than two levels with 2-hour fire-resistance-rated vertical shared wall assemblies tested in accordance with ASTM E119 or UL263, 1-hour fire-resistance-fire-resistance-rated rated horizontal floor assemblies tested in accordance with ASTM E119 or UL263, and independent egress for each unit."[ are added.] - 33 - HB0065 compared with HB0065S04 [(3)] (4) In IRC, Section R102, a new Section R102.7.2 is added as follows:

"The- building34 official- shallEnrolled notCopy requestH.B. proprietary information." [(7)] (8) In IRC, Section 109.1.5, is deleted and replaced with the following:

65 "The building official shall not request proprietary information." [(7)] (8) In IRC, Section 109.1.5, is deleted and replaced with the following:

- 34 - HB0065 compared with HB0065S04 "ACCESSORY DWELLING UNIT:

Any physical connection or potential connection or arrangement between two otherwise separate piping systems, one of which contains potable water and the other either water of unknown or questionable safety or steam, gas, or chemical, whereby there exists the possibility for flow from one system to the other,- with35 the- directionH.B. of flow depending on the pressure differential between the two systems (see "Backflow, Water Distribution")." [(14)] (15) In IRC, Section 202, the following definition is added:

65 Enrolled Copy other, with the direction of flow depending on the pressure differential between the two systems (see "Backflow, Water Distribution")." [(14)] (15) In IRC, Section 202, the following definition is added:

- 35 - HB0065 compared with HB0065S04 "and clear water wastes which have a pH of 6.0 to 9.0;

"TABLE R301.2 (3) GROUND SNOW LOADS FOR SELECTED LOCATIONS IN UTAH City/Town County Ground Snow Load (lb/ft2) Elevation (ft) Beaver Beaver 35 5886 Brigham City Box Elder 42 4423 Castle Dale Emery 32 5669 Coalville Summit 57 5581 Duchesne Duchesne 39 5508 Farmington Davis 35 4318 Fillmore Millard 30 5138 Heber City Wasatch 60 5604 Junction Piute 27 6030 Kanab Kane 25 4964 Loa Wayne 37 7060 Logan Cache 43 4531 Manila Daggett 26 6368 Manti Sanpete 37 5620 Moab Grand 21 4029 Monticello San Juan 67 7064 Morgan Morgan 52 5062 Nephi Juab 39 5131 - 36 - HB0065Enrolled comparedCopy withH.B. HB0065S04 Ogden Weber 37 4334 Panguitch Garfield 41 6630 Parowan Iron 32 6007 Price Carbon 31 5558 Provo Utah 31 4541 Randolph Rich 50 6286 Richfield Sevier 27 5338 St.

George65 WashingtonCoalville 21Summit 258557 Salt5581 LakeDuchesne Duchesne 39 5508 Farmington Davis 35 4318 Fillmore Millard 30 5138 Heber City SaltWasatch Lake60 285604 4239Junction TooelePiute Tooele27 356030 5029Kanab VernalKane Uintah25 4964 Loa Wayne 37 7060 Logan Cache 43 4531 Manila Daggett 26 6368 Manti Sanpete 37 5620 Moab Grand 21 4029 Monticello San Juan 67 7064 Morgan Morgan 52 5062 Nephi Juab 39 53845131 Note:Ogden Weber 37 4334 Panguitch Garfield 41 6630 Parowan Iron 32 6007 Price Carbon 31 5558 Provo Utah 31 4541 Randolph Rich 50 6286 Richfield Sevier 27 5338 St.

George Washington 21 2585 Salt Lake City Salt Lake 28 4239 Tooele Tooele 35 5029 Vernal Uintah 39 5384 - 37 - H.B.

65 Enrolled Copy Note:

- 37 - HB0065 compared with HB0065S04 "3.

[(27)]- (28)38 IRC,- SectionsEnrolled [R311.7.45]Copy R311.7.5.1H.B. through R311.7.5.3, are deleted and replaced with the following:

65 [(27)] (28) IRC, Sections [R311.7.45] R311.7.5.1 through R311.7.5.3, are deleted and replaced with the following:

Beveling of nosing shall not exceed - 38 - HB0065 compared with HB0065S04 1/2 inch (12.7 mm).

When installed, automatic residential fire sprinkler systems for townhouses or one- and two-family dwellings shall be designed and installed in accordance with Section P2904 or NFPA 13D." [(30)]- (31)39 In- IRC,H.B. Section R314.2.2, the words "accessory dwelling units," are added after the words "Where alterations, repairs." [(31)] (32) In IRC, Section R315.2.2, the words "accessory dwelling units," are added after the words "Where alterations, repairs." [(32)] (33) In IRC, Section 315.3, the following words are added to the first sentence after the word "installed":

65 Enrolled Copy [(30)] (31) In IRC, Section R314.2.2, the words "accessory dwelling units," are added after the words "Where alterations, repairs." [(31)] (32) In IRC, Section R315.2.2, the words "accessory dwelling units," are added after the words "Where alterations, repairs." [(32)] (33) In IRC, Section 315.3, the following words are added to the first sentence after the word "installed":

- 39 - HB0065 compared with HB0065S04 "3.

When a geotechnical report has been provided for the property, a drainage- system40 is- notEnrolled requiredCopy unlessH.B. the drainage system is required as a condition of the geotechnical report.

65 drainage system is not required unless the drainage system is required as a condition of the geotechnical report.

15A-3-203.15A-3-203 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 6 through 15 of IRC.

[(2){][(2) {(3)} In IRC, Section N1101.4 (R102.1.1), a new section N1101.4.1 (R102.1.1) is added as follows:

] [["N1101.4.1 - 40 - HB0065 compared with HB0065S04 { } "N1101.4.1 National Green Building Standard.

The building shall also meet the requirements identified in table N1105.2 and the building thermal envelope efficiency is greater than or equal to levels of efficiency and solar heat gain coefficients (SHGC) in Tables N1102.2.2 and N1102.1.3 of the 2009 IRC."IRC."] {[(3)] (4)} ] [(3) In IRC, Section N1101.5 (R103.2), all words after the words "herein governed." are deleted and replaced with the following:

] [["Construction { } "Construction documents include all documentation required for building permits shall include only those items specified in Subsection 10-20-909(12) or 17-79-810(12) of the Utah Code."Code."] {[(4)] (5)} ] [(4) In IRC, Section N1101.10.3 (R303.1.3) the following changes are made:] [(a) The following is added at the end of the first sentence "or EN 14351-1:2006+A1:2010."] [(b) The word "accredited" is replaced with "approved" in the third sentence.] [(c) The following sentence is added after the third sentence:

] [["A { } "A conversion factor of 5.678 shall be used to convert from U values expressed in SI units:

()/53678=."()/53678=."] {(d)}- ]41 [(d)- AfterH.B. "NFRC 200" the following words are added:

65 Enrolled Copy [(d) After "NFRC 200" the following words are added:

] [["Total { } "Total Energy Transmittance values may be substituted for SHGC, and Luminous Transmission values may be substituted for VT."VT."] {[(5)] (6)} ] [(5) In IRC, Section N1101.12 (R303.3), all wording after the first sentence is deleted.] [(6){][(6) {(7)} } In IRC, Section N1101.13 (R401.2), in the first sentence, the words "Section N1101.13.5 and" are deleted.] -[(7) 41 - HB0065 compared with HB0065S04 [(7){] {(8)} } In IRC, Section N1101.13.5 (R401.2.5) is deleted.] [(8){][(8) {(9)} } In IRC, Section N1101.14 (R401.3) Number 7, the words "and the compliance path used" are deleted.] [(9){][(9) {(10)} } In IRC, Table N1102.1.2 (R402.1.2):] [(a) in the column titled Fenestration U-Factor the following changes are made:] [(i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;] [(ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with 0.32;

and] [(f)- in42 the- columnEnrolled titledCopy "CrawlH.B. Space Wall U-Factor" the following changes are made:] [(i) in the row titled "Climate Zone 5 and Marine 4" delete 0.055 and replace it with 0.078;

and]65 [(ii)[(f) in the rowcolumn titled "Climate"Crawl ZoneSpace 6"Wall deleteU-Factor" 0.55 and replace it with 0.065.] [(10){] {(11)} } In IRC, Table N1102.1.3 (R402.1.3), the following changes are made:] [(a)[(i) in the columnrow titled "Wood"Climate FrameZone Walls5 R-Value"and aMarine new4" footnotedelete indicator0.055 "j" is added and atreplace theit bottomwith of0.078; the footnotes the following footnote "j" is added:

]and] [[(ii) "j.in the row titled "Climate Zone 6" delete 0.55 and replace it with 0.065.] [(10) In IRC, Table N1102.1.3 (R402.1.3), the following changes are made:] [(a) in the column titled "Wood Frame Walls R-Value" a new footnote indicator "j" is added and at the bottom of the footnotes the following footnote "j" is added:

In] [}["j. climate zone{] Climate Zones} 3B and 5B, an R-15, and in climate zone 6, an R-20 shall be acceptable where air-impermeable insulation is installed in the cavity space, exterior continuous - 42 - HB0065 compared with HB0065S04 insulation, or some combination thereof;

In climate zone 3B and 5B, an R-15, and in climate zone 6, an R-20 shall be acceptable where air-impermeable insulation is installed in the cavity space, exterior continuous insulation, or some combination thereof;

] [["k. "k.

Log walls complying with ICC400 and with a minimum average wall thickness of 5 inches or greater shall be permitted in Zones 5 through 8 when overall window glazing has 0.30 U-factor or lower, minimum heating equipment efficiency is for gas 95 AFUE, or for oil, 84 AFUE, and all other components requirements are met."met."] {[(11)] (12)} ] [(11) In IRC, Table N1102.1.3 (R402.1.3) the following changes are made:] [(a) in the column titled "Fenestration U-Factor" the following changes are made:] [(i) in the row titled "Climate Zone 3" delete 0.30 and replace it with 0.32;] [(ii) in the row titled "Climate Zone 5 and Marine 4" delete 0.30 and replace it with 0.32;

and] [(iii) in the row titled "Climate Zone 6" delete 60 and replace it with 49;] [(d) in the Column titled "Wood Frame Wall R-Value" the following changes are made:] [(i) in the row titled "Climate Zone 3" delete all values and replace with 20+Oci or 13+5ci or 015ci;] [(ii) in the row titled "Climate Zone 5 or Marine 4" delete all values and replace with 21+Oci- or43 15+5ci- orH.B. 0+15ci;

65 Enrolled Copy 21+Oci or 15+5ci or 0+15ci;

and] - 43 - HB0065 compared with HB0065S04 [(ii) in the row titled "Climate Zone 5 &{[}& {&}Marine {] and }Marine 4" delete 4 ft and replace it with 2 ft;

and] [(ii) in the row titled "Climate Zone 6" delete all values and replace with 19+Oci or 0+13ci or 0+11+5ci.] [(12){][(12) {(13)} } In IRC, a new subsection N1102.1.5.1 (R402.1.5.1) is added as follows:

] [["1102.1.5.1 { } "1102.1.5.1 (R402.1.5.1) RESCheck 2012 Utah Energy Conservation Code.

Compliance with section N1102.1.5 (R402.1.5) may be satisfied using the software RESCheck 2012 Utah Energy Conservation Code, which shall satisfy the R-value and U-factor requirements of N1102.1, N1102.2, and N1102.3, provided the following conditions are met:met:] [(a) in "Climate Zone 5 and 6" the software result shall show 5% better than code;

{(a)}and] ][(b) [(a) in "Climate Zone 53", and 6" the software result shall show 5% better than code;code when software inputs for window U-factor .65 and window SHGC=0.40, notwithstanding actual windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and N1102.1.3 (R402.1.3)."] [(13) In IRC, Sections N1102.2.1 (R402.2.1), a new Section N1102.2.1.1 is added as follows:

and] [(b) in "Climate Zone 3", the software result shall show 5% better than code when software inputs for window U-factor .65 and window SHGC=0.40, notwithstanding actual windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and N1102.1.3 (R402.1.3)."] [(13){] {(14)} } In IRC, Sections N1102.2.1 (R402.2.1), a new Section N1102.2.1.1 is added as follows:

Unvented attic and unvented enclosed rafter assemblies conforming to Section R806.5 shall be provided with an R-R-value value of R-22 (maximum U-Factor of 0.045) in Climate Zone 3-B or an R-value of R-26 (maximum U-factor of 0.038) in Climate Zones 5-B and 6-B shall be permitted provided all the following conditions are met:

1.- 44 - Enrolled Copy H.B.

65 1.

- 44 - HB0065 compared with HB0065S04 4.

Indoor heating, cooling and ventilation equipment (including ductwork) shall be inside the building thermal envelope."] [(14){][(14) {(15)} } In IRC, Section N1102.2.9.1 (R402.2.9.1) the numeral (i) is added before the words "cut at a 45 degree" and the following is added after the words "exterior wall":

"or (ii) lowered from top of slab 4" when a 4" thermal break material such as, but not limited to, felt or asphalt impregnated fiber board, with a minimum thickness of 1/4" is installed at the upper 4" of slab{.}"{[}slab".] .][(15) [(15){] {(16)} } In IRC, Section N1102.4.1 (R402.4.1), in the first sentence, the word "and" is deleted and replaced with the word "or."] [(16){][(16) {(17)} } In IRC, Section N1102.4.1.1 (R402.4.1.1), the last sentence is deleted and replaced with the following:

] [["Where { } "Where allowed by the code official, the builder may certify compliance to components criteria for items which may not be inspected during regularly scheduled inspections."inspections."] {[(17)] (18)} ] [(17) In IRC, Table N1102.4.1.1 (R402.4.1.1) in the column titled "COMPONENT, the following changes are made:] [(a) In the row "Rim Joists" the word "exterior" in the first sentence is deleted, and the second sentence is deleted.] [(b) In the row "Electrical/phone box on the exterior walls" the last sentence is deleted and replaced with:

"Alternatively, close cell foam, caulking or gaskets may be used, or air sealed boxes may be installed."] [(18){][(18) {(19)} } In IRC, Section N1102.4.1.2 (R402.4.1.2), the following changes are made:] [(a) In the fourth sentence, the word "third" is deleted.] [(b) The following sentence is added after the fourth sentence:

] [ - 45 - HB0065H.B. compared with HB0065S04 { } "The following parties shall be approved to conduct testing:

Parties65 certifiedEnrolled byCopy BPI["The or RESNET, or licensed contractors who have completed training provided by Blower Door Test equipment manufacturers or other comparable training." {(c)} ] [(c) In the first Exception the second sentence is deleted.] [(19){] {(20)} } IRC, Section N1103.3.3 (R403.3.3), is deleted.] [(20){] {(21)} } IRC Section N1103.3.3.1 (R403.3.3.1) is deleted.] [(21){] {(22)} } In IRC, Section N1103.3.5 (R403.3.5), the following changesparties areshall made:]be [(a)approved ato secondconduct Exceptiontesting: is added as follows:

Parties certified by BPI or RESNET, or licensed contractors who have completed training provided by Blower Door Test equipment manufacturers or other comparable training."] [(c) In the first Exception the second sentence is deleted.] [(19) IRC, Section N1103.3.3 (R403.3.3), is deleted.] [(20) IRC Section N1103.3.3.1 (R403.3.3.1) is deleted.] [(21) In IRC, Section N1103.3.5 (R403.3.5), the following changes are made:] [(a) a second Exception is added as follows:

] [["The { } "The following parties shall be approved to conduct testing:testing:] [(i) Parties certified by BPT or RESNET;

{(i)}and] ][(ii) [(i)Licensed Partiescontractors certifiedwho have completed training provided by BPTDuct Test equipment manufacturers or RESNET;other comparable training."] [(22) In IRC, Section N1103.3.6 (R403.3.6) the following changes are made:] [(a) in Subsection 1:] [(i) the number 4.0 is changed to 6.0;] [(ii) the number 113.3 is changed to 170;] [(iii) the number 3.0 is changed to 5.0;

and] [(ii) Licensed contractors who have completed training provided by Duct Test equipment manufacturers or other comparable training."] [(22){] {(23)} } In IRC, Section N1103.3.6 (R403.3.6) the following changes are made:] [(a) in Subsection 1:] [(i) the number 4.0 is changed to 6.0;] [(ii) the number 113.3 is changed to 170;] [(iii) the number 3.0 is changed to 5.0;

and] [(c) Subsection 3 is deleted.] [(23){][(23) {(24)} } In IRC, Section N1103.3.7 (R403.3.7) the words "or plenums" are deleted.] [(24){][(24) {(25)} } In IRC, Section N1103.5.1.1 (R403.5.1.1) the words "Where installed" are added at the beginning of the first sentence.] [(25){][(25) {(26)} } In IRC, Section N1103.5.2 (R403.5.2) the following change is made, Subsections 5 and 6 are deleted and Subsection 7 is renumbered to 5.] -[(26) 46 - HB0065 compared with HB0065S04 [(26){] {(27)} } IRC, Section N1103.6.2 (R403.6.2), is deleted and replaced with the following:

] [["N1103.6.2 { } "N1103.6.2 (R403.6.2) Whole-house mechanical ventilation system fan efficacy.

Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements of Table N1103.6.2 (R403.6.2).}(R403.6.2). Exception:

Where- an46 air- handlerEnrolled thatCopy isH.B. integral to tested and listed HVAC equipment is used to provide whole-house mechanical ventilation, the air handler shall be powered by an electronically commutated motor."] [(27){] {(28)} } In IRC, Section N1103.6.2 (R403.6.2), the table is deleted and replaced with the following:

"TABLE65 N1103.6.2Exception: (R403.6.2)", MECHANICAL VENTILATION SYSTEM FAN EFFICACY] [FAN LOCATION AIR FLOW RATE MINIMUM AIR FLOW RATE MINIMUM (CFM) EFFICACY MAXIMUM (CFM) (CFM/WATT) HRV or ERV Any 1.2 cfm/watt Any Range hoods Any 2.8 cfm/watt Any In-line fan Any 2.8 cfm/watt Any Bathroom, utility room 10 1.4 cfm/watt 90 Bathroom, utility room 90 2.8 cfm/watt Any"] [(28){] {(29)} } IRC, Section N1103.6.3 (R403.6.3) is deleted.] [(29){] {(30)} } In IRC, Section N1103.7 (R403.7) the word "approved" is deleted in the first sentence and the following is added after the word "methodologies":

"complyingWhere withan N1103.7.1air (R403.7.1){.}"{[}handler .]that [(30){]is {(31)}integral }to Atested newand listed HVAC equipment is used to provide whole-house mechanical ventilation, the air handler shall be powered by an electronically commutated motor."] [(27) In IRC, Section N1103.7.1N1103.6.2 (R403.7.1)(R403.6.2), the table is addeddeleted asand follows:replaced with the following:

]"TABLE [N1103.6.2 {(R403.6.2)", }MECHANICAL "N1103.7.1VENTILATION Qualifications.SYSTEM FAN EFFICACY] [FAN LOCATION AIR FLOW RATE MINIMUM AIR FLOW RATE MINIMUM (CFM) EFFICACY MAXIMUM (CFM) (CFM/WATT) HRV or ERV Any 1.2 cfm/watt Any Range hoods Any 2.8 cfm/watt Any In-line fan Any 2.8 cfm/watt Any Bathroom, utility room 10 1.4 cfm/watt 90 Bathroom, utility room 90 2.8 cfm/watt Any"] [(28) IRC, Section N1103.6.3 (R403.6.3) is deleted.] [(29) In IRC, Section N1103.7 (R403.7) the word "approved" is deleted in the first sentence and the following is added after the word "methodologies":

An"complying individualwith performingN1103.7.1 load(R403.7.1)".] calculations[(30) shallA benew qualifiedIRC, bySection completingN1103.7.1 HVAC(R403.7.1) trainingis fromadded oneas offollows: the following:} 1.

] ["N1103.7.1 Qualifications.

An individual performing load calculations shall be qualified by completing HVAC training from one of the following:

1.

Other recognized industry certification."] -[(31) 47 - HB0065 compared with HB0065S04 [(31){] {(32)} } In IRC, Section N1104.1 (R404.1), the word "All" is replaced with "Not less than 90 percent of the lamps in{.}"{[}in".] .][(32) [(32){] {(33)} } IRC, Section N1104.1.1 (R404.1.1) is deleted.] [(33){][(33) {(34)} } IRC, Section N1104.2 (R404.2) is deleted.] [(34){][(34) {(35)} } IRC, Section N1104.3 (R404.3) is deleted.] [(35){][(35) {(36)} } In IRC, section N1105.2 (R405.2) the following changes are made:] [(a) In Subsection 3, the words "approved by the code official" are deleted;

and] [(b)- In47 Subsection- 3,H.B. the following words are added at the end of the sentence:

"when65 applicableEnrolled andCopy readily[(b) available{.}"{[} .] [(36){] {(37)} } In IRC,Subsection Section3, N1106.3the (R406.3){,}following "Buildingwords thermalare envelope"added isat deleted,the andend replacedof withthe ]sentence: [the following:

"when applicable and readily available".] [(36) In IRC, Section N1106.3 (R406.3) "Building thermal envelope" is deleted, and replaced with ] ["Building thermal envelope and on-site renewables.

0.30.UAProposed design =1.15xUAPrescriptive reference design (Equation 11-4)."11-4)."] {[(37)] (38)} ] [(37) In IRC, Section N1106.3.1 (R406.3.1) is deleted.] [(38){][(38) {(39)} } In IRC, Section N1106.3.2 (R403.3.2) is deleted.] [(39){][(39) {(40)} } In IRC, Section N1106.4 (R406.4) the following changes are made:] [(a) In the first sentence, the words "in accordance with Equation 11-5" are deleted and replaced with:

and] [(c) In the last sentence the number "5" is deleted and replaced with "15{.}"{[}"15".] .][(40) [(40){] {(41)} } In IRC{,IRC Section} N1106.5, in the column titled "ENERGY RATING INDEX" of Table R406.5, the following changes are made:] [(a) In the row for "Climate Zone 3", "51" is deleted and replaced with "65";] [(b) In the row for "Climate Zone 5", "55" is deleted and replaced with "69";

and] - 48 - HB0065 compared with HB0065S04 [(c) In the row for "Climate Zone 6", "54" is deleted and replaced with "68{.}"{[}"68".] .][(41) [(41){] {(42)} } In IRC, Section N1108 (R408) is deleted.] [(42)] (43){(3)}(3) In IRC, Chapter 11, is deleted and replaced with the following:

R1101.3- Compliance48 Paths.- Enrolled Copy H.B.

65 R1101.3 Compliance Paths.

Insulation for each component of the building envelope shall meet or exceed the following minimum R-values and U-U-factors: factors:

1562ComponentMinimumComponent Minimum R-Value/ Notes Maximum U-Factor Above-Above-grade exterior walls R-21 Applies to all framed or masonry grade walls separating conditioned exterior and unconditioned space or walls the exterior environment.

CRe3ingsCeilings / roof assemblies R-38 Applies to the thermal boundary roof between conditioned space assemblies and unconditioned attic or exterior air.

-Floors 49over -unconditioned HB0065space comparedR-30 with HB0065S04 Fl-30s Includes floors over crawl over spaces, garages, or open air.

unconditionedBasement spacewalls Basemcenttinuous(conditioned R-10 continuous or R-13 cavity Required for any portion of wallsbasements) basement walls enclosing (conditioned conditioned space.

basements)Windows WMiaxiwusmand glazed doors Maximum U-factor = 0.32 Applies to all fenestration and enclosing conditioned space.

glazed- doors49 Skyaiihtsm- U-factorH.B. = 1.3 Applies to all skylights over conditioned space.

Opaiqmeum65 Enrolled Copy Skylights Maximum U-factor = 0.61.3 Applies to solidall doorsskylights doorsover separating conditioned andspace. unconditioned spaces.

Opaque doors Minimum U-factor = 0.6 Applies to solid doors separating conditioned and unconditioned spaces.

and - 50 - HB0065 compared with HB0065S04 be sealed to limit air leakage through joints, penetrations, and construction openings with the air-sealing provisions.

Where the air handler is installed at the time of the leakage test, the total leakage shall be less than or equal to 6.0 cubic feet per minute (170 L/L/min) min) per 100 square feet (9.29 m) of conditioned floor area.

Where the air handler is not installed at the time of the test, the total leakage shall be less than or equal to 5.0 cubic feet per minute (141 L/L/min) min) per 100 square feet (9.29 m) of conditioned floor area.

R1104.1.3- Building50 Thermal- EnvelopeEnrolled AirCopy LeakageH.B. Testing.

65 R1104.1.3 Building Thermal Envelope Air Leakage Testing.

A written report of the results of the test shall be signed by the party conducting the test and shall be provided to - 51 - HB0065 compared with HB0065S04 the code official.

Air-Air-permeable permeable insulation (fiberglass, rock-rock-wool, - 52 - HB0065 compared with HB0065S04 wool, cellulose) is not used for air sealing.

Closed-Closed-cell cell foam is the only insulation that also serves as an air barrier.

- 53 - HB0065 compared with HB0065S04 Breaks & joints sealed.

Dropped- ceilings/51 soffits,- shafts,H.B. and chases shall be capped with an air barrier lid and sealed (attic insulation does not drop down into soffits).

Walls65 shallEnrolled beCopy -Dropped 54ceilings/soffits, -shafts, HB0065and comparedchases shall be capped with HB0065S04an framedair tobarrier allowlid and sealed (attic insulation indoes cornersnot anddrop indown headers.into soffits).

WallWalls insulation shall be enclosedframed onto sides.allow insulation in corners and in headers.

IncludesWall aninsulation airshall barrier,be backsideenclosed ofon knee-6 walls.sides.

WallIncludes battan insulationair shallbarrier, bebackside cutof -knee-walls. 55 - HB0065 compared with HB0065S04 all pipes, wiring and boxes in cavity (recommend blown insulation).

AllWall gapsbatt andinsulation voidsshall sealedbe betweencut conditionedall andpipes, un-wiring conditionedand spaces,boxes includingin garages,cavity crawlspaces,(recommend aroundblown windowsinsulation). and doors, and all penetrations.

-All 56gaps -and HB0065voids comparedsealed withbetween HB0065S04conditioned Rimand joistun-conditioned insulationspaces, shallincluding includegarages, acrawlspaces, sealedaround airwindows barrierand ondoors, theand insideall facepenetrations. of insulation, or closed cell spray foam.

FloorRim joist insulation inshall contactinclude witha sheathing/sealed lidair below.barrier on the inside face of insulation, or closed cell spray foam.

AirFloor barrierinsulation undersidein -contact 57 - HB0065 compared with HB0065S04sheathing/lid ofbelow. cantilevers.

Air barrier underside of cantilevers.

Air barrier behind electrical boxes or closed cell foam, - 58 - HB0065 compared with HB0065S04 caulk, gaskets, or air sealed boxes.

Exterior walls adjacent to fireplaces, tubs, showers shall include an inside surface air barrier.barrier." (4) In IRC, Section M1401.3 the word "approved" is deleted in the first sentence and the following is added after the word "methodologies[ ] ,"[,] "complying with M1401.3.1."[.] [(43)] (5) A new IRC, Section M1401.3.1, is added as follows:

" (4) In IRC, Section M1401.3 the word "approved" is deleted in the first sentence and the following is added after the word "methodologies[ ] ,"[,] "complying with M1401.3.1."[.] [(43)] (44){(5)} A new IRC, Section M1401.3.1, is added as follows:

Other recognized industry certification." - 59 - HB0065 compared with HB0065S04 [(44)] (45){(6)}(6) In IRC, Section M1402.1, the following is added at the end of the second sentence:

"or UL/CSA 60335-2-40." [(45)] (46){(7)}(7) In IRC, Section M1403.1, the characters "/ANCE" are deleted.

[(46)] (47){(8)}(8) IRC, Section M1411.9, is deleted.

[(47)] (48){(9)}(9) In IRC, Section M1412.1, the characters "/ANCE" are deleted.

[(48)] (49){(10)}(10) In IRC, Section M1413.1, the characters "/ANCE" are deleted.

15A-3-204.15A-3-204 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 16 through 25 of IRC.

"Exception:- 52 - Enrolled Copy H.B.

65 "Exception:

- 60 - HB0065 compared with HB0065S04 "P2503.2 Testing.

The [Utah[ Utah Cross-Connection Control Commission] Utah Division of Drinking Water {Quality} has adopted the field test procedures published by the Manual of Cross Connection Control, Tenth- Edition.53 - H.B.

65 Enrolled Copy Tenth Edition.

15A-3-205.15A-3-205 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 26 through 35 of IRC.

Where a potable public water supply is not available, individual sources of potable water supply shall be utilized, provided that the source has been developed in accordance with Utah Code, Sections 73-3-1 and 73-3-25, as administered by the - 61 - HB0065 compared with HB0065S04 Department of Natural Resources, Division of Water Rights.

Every building in which plumbing fixtures are installed and all premises having drainage piping shall be connected to a public sewer where the sewer is accessible and is within 300 feet of the property line in accordance with Utah Code, Section 10-8-38;- 54 - Enrolled Copy H.B.

65 10-8-38;

- 62 - HB0065 compared with HB0065S04 "15.

Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure detector fire protection, double check detector fire protection, and spill-resistant vacuum breaker backflow preventer assemblies- shall55 be- testedH.B. at the time of installation, immediately after repairs or relocation and at least annually.

The65 UtahEnrolled [CrossCopy Connectionassemblies Controlshall Commission]be Divisiontested ofat Drinking Water {Quality} has adopted the fieldtime testof proceduresinstallation, publishedimmediately byafter therepairs Manualor ofrelocation Crossand Connectionat Control,least Tenthannually. Edition.

The Utah [Cross Connection Control Commission] Division of Drinking Water has adopted the field test procedures published by the Manual of Cross Connection Control, Tenth Edition.

- 63 - HB0065 compared with HB0065S04 A double check valve backflow prevention assembly shall be installed as follows:

The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle,- and56 shall- beEnrolled readilyCopy accessibleH.B. for testing, repair, and maintenance.

65 obstacle, and shall be readily accessible for testing, repair, and maintenance.

(a) In the row titled "Lavatory faucet" the text is deleted and replaced with "1.5 gpm at 60 psi."[.] (b) In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80 psi."[.]psi. (13) In IRC, Section P2903.3, the words "public water main or an" are deleted and the following sentence is added at the end:

"[.] (13) In IRC, Section P2903.3, the words "public water main or an" are deleted and the following sentence is added at the end:

- 64 - HB0065 compared with HB0065S04 "Unless the plumbing appliance or plumbing fixture has a wall-mount valve, shutoff valves shall be required on each fixture supply pipe to each plumbing appliance and to each plumbing fixture other than bathtubs and showers." (16) IRC, Section P2910.5, is deleted and replaced with the following:

A- system57 that- utilizesH.B. nonpotable water (i.e., pressurized irrigation) and installs a connection to the potable water system for backup [must] shall install a Reduced Pressure Principle Assembly (RP) directly downstream of the potable water connection (Stop and Waste) and install a "dual source connection" directly downstream from the (RP) installed so that either the potable water system or the nonpotable water is connected at any time to prevent a direct Cross Connection and to protect the potable water from any potential hazard from the nonpotable water system.

65 Enrolled Copy A system that utilizes nonpotable water (i.e., pressurized irrigation) and installs a connection to the potable water system for backup [must] shall install a Reduced Pressure Principle Assembly (RP) directly downstream of the potable water connection (Stop and Waste) and install a "dual source connection" directly downstream from the (RP) installed so that either the potable water system or the nonpotable water is connected at any time to prevent a direct Cross Connection and to protect the potable water from any potential hazard from the nonpotable water system.

Graywater recycling systems utilized for subsurface irrigation for other occupancies shall comply with Utah Administrative Code, R317-3, Design Requirements for Wastewater Collection, Treatment, and Disposal Systems, and Utah Administrative Code, R317-4, Onsite Wastewater Systems." - 65 - HB0065 compared with HB0065S04 (22) In IRC, Section P3101.4, the following sentence is added at the end of the paragraph:

A wall cleanout shall be provided in the vertical vent." (24)- In58 IRC,- SectionEnrolled E3401.2,Copy theH.B. second sentence is modified by adding the words "townhouses"[,] after the word "dwellings" and the word "their" before the word "accessory" and the following is added after "NFPA 70", "such as, but not limited to the following equipment:

65 (24) In IRC, Section E3401.2, the second sentence is modified by adding the words "townhouses"[,] after the word "dwellings" and the word "their" before the word "accessory" and the following is added after "NFPA 70", "such as, but not limited to the following equipment:

15A-3-302.15A-3-302 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 1 and 2 of IPC.

- 66 - HB0065 compared with HB0065S04 (1) In IPC, Section 202, the following definition is added:

Any physical connection or potential connection or arrangement between two otherwise separate piping systems, one of which contains potable- water59 and- theH.B. other either water of unknown or questionable safety or steam, gas, or chemical, whereby there exists the possibility for flow from one system to the other, with the direction of flow depending on the pressure differential between the two systems (see "Backflow")." (3) In IPC, Section 202, the following definition is added:

65 Enrolled Copy potable water and the other either water of unknown or questionable safety or steam, gas, or chemical, whereby there exists the possibility for flow from one system to the other, with the direction of flow depending on the pressure differential between the two systems (see "Backflow")." (3) In IPC, Section 202, the following definition is added:

Water free from impurities present in amounts sufficient to cause disease or harmful physiological effects and conforming to the Utah Code, Title 19, Chapter 4, Safe Drinking - 67 - HB0065 compared with HB0065S04 Water Act, and Title 19, Chapter 5, Water Quality Act, and the regulations of the public health authority having jurisdiction." (8) In IPC, Section 202, the following definition is added for [Dual Source Connection] dual source connection:

secondary) irrigation water or the potable water is connected to a pressurized irrigation system at one time, but not both at the same- time;60 - Enrolled Copy H.B.

65 same time;

(10)"INDIVIDUAL InWATER IPC,SUPPLY. Section 202, the definition for public water main is deleted and replaced with the following:

(11)A water supply that is not served by a Public Water System, as defined by Utah Administrative Code, R309-100." (10) In IPC, Section 202, the following definition is added for public water supply:main is deleted and replaced with the following:

Section"PUBLIC 15.WATER MAIN.

A water supply pipe owned by a Public Water System, as defined in Utah Administrative Code, R309-100." (11) In IPC, Section 202, the following definition is added for public water supply:

"PUBLIC WATER SUPPLY.

A water supply that is served by a Public Water System, as defined in Utah Administrative Code, R309-100." Section 15.

15A-3-303.15A-3-303 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapter 3 of IPC.

- 68 - HB0065 compared with HB0065S04 "Where water is not available at the construction site or where freezing conditions limit the use of water on the construction site, plastic drainage and vent pipe may be permitted to be tested with air.

Contractor shall recognize that plastic is extremely brittle at lower temperatures and can- explode,61 causing- seriousH.B. injury or death.

65 Enrolled Copy can explode, causing serious injury or death.

- 69 - HB0065 compared with HB0065S04 6.

7.- 62 - Enrolled Copy H.B.

65 7.

Reduced pressure principle, double check, pressure vacuum breaker, reduced pressure detector fire protection, double check detector fire protection, and spill-spill-resistant resistant vacuum breaker backflow preventer assemblies shall be tested at the time of installation or within 10 days of being placed into service, immediately after repairs or relocation and at least annually.

The [Utah Cross Connection Control Commission] Utah Division of Drinking Water {Quality} has adopted the field test procedures published by the Manual of Cross-Connection Control, Tenth Edition.

15A-3-304.15A-3-304 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapter 4 of IPC.

Diaper changing facilities shall meet the requirements of ASTM F2285-04 (2010) Standard Consumer Safety Performance Specifications for Diaper Changing Tables for Commercial Use." - 70 - HB0065 compared with HB0065S04 (e) A new footnote h is added to the table as follows:

Non-residential child care facilities shall comply with the additional- sink63 requirements- ofH.B. Utah Administrative Code, R381-60-9, Hourly Child Care Centers, R381-70-9, Out of School Time Child Care Programs, and R381-100-9, Child Care Centers." (2) In IPC, Section 403.1.1, Exception 2 is deleted and replaced with the following:

[(2)]65 (3)Enrolled Copy additional sink requirements of Utah Administrative Code, R381-60-9, Hourly Child Care Centers, R381-70-9, Out of School Time Child Care Programs, and R381-100-9, Child Care Centers." (2) In IPC, Section 405.3.4,403.1.1, theException following2 sentence is addeddeleted afterand thereplaced firstwith sentence:the following:

"2.

Where multiple-user facilities are designed to serve all genders, the following shall apply:

2.1.

The maximum fixture count to serve all genders shall be calculated at 50% of the total occupant load.

The maximum fixture count for the multiple user all gender facility shall be calculated at 50% female and 50% male.

2.2 The remaining 50% of the required restroom fixtures shall be provided as required by Table 403.1." [(2)] (3) In IPC, Section 405.3.4, the following sentence is added after the first sentence:

15A-3-306.15A-3-306 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapter 6 of IPC.

Where a potable public water supply is not available,- individual64 sources- ofEnrolled potableCopy waterH.B. supply shall be utilized provided that the source has been developed in accordance with Utah Code, Sections 73-3-1, 73-3-3, and 73-3-25, as administered by the Department of Natural Resources, Division of Water Rights.

In65 addition,available, theindividual qualitysources of potable water supply shall be utilized provided that the -source 71has -been HB0065developed comparedin accordance with HB0065S04Utah waterCode, shallSections be73-3-1, approved73-3-3, and 73-3-25, as administered by the localDepartment healthof departmentNatural havingResources, jurisdiction.Division of Water Rights.

In addition, the quality of the water shall be approved by the local health department having jurisdiction.

(a) In the row titled "Lavatory, private" the text is deleted and replaced with "1.5 gpm at 60 psi."[.] (b) In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80 psi."[.]psi. (c) In the row titled "Urinal" the text is deleted and replaced with "0.5 gallon per flushing cycle."[.] (4) A new IPC, Section 604.4.1, is added as follows:

"[.] (c) In the row titled "Urinal" the text is deleted and replaced with "0.5 gallon per flushing cycle."[.] (4) A new IPC, Section 604.4.1, is added as follows:

The assembly owner, where necessary, shall provide devices or structures to facilitate testing, repair, and maintenance and to insure the safety of the backflow- technician.65 - H.B.

65 Enrolled Copy backflow technician.

- 72 - HB0065 compared with HB0065S04 b.

The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and- shall66 be- readilyEnrolled accessibleCopy forH.B. testing, repair, and maintenance.

65 and shall be readily accessible for testing, repair, and maintenance.

- 73 - HB0065 compared with HB0065S04 Hand-held Showers High or Low Hazard Backpressure or ASME 112.18.3 Backsiphonage or ASSE 1014 [(10)] (11) In IPC, Section 608.3, the word "and" before the word "contamination" is deleted and replaced with a comma and the words "[ ]or pollution" are added after the word "contamination" in the first sentence.

Connections to residential boilers only, without chemical treatment, and humidifiers shall be protected by a backflow preventer with an intermediate atmospheric vent."- [(17)]67 (18)- IPC,H.B. Section 608.16.4, is deleted and replaced with the following:

65 Enrolled Copy vent." [(17)] (18) IPC, Section 608.16.4, is deleted and replaced with the following:

Fill valves shall be - 74 - HB0065 compared with HB0065S04 set in accordance with Section 415.3.1.

Such systems shall include written certification of the chemical additives at the time of original installation and service or maintenance." [(22)]- (23)68 IPC,- SectionEnrolled 608.17.7,Copy isH.B. deleted and replaced with the following:

65 [(22)] (23) IPC, Section 608.17.7, is deleted and replaced with the following:

- 75 - HB0065 compared with HB0065S04 Installation shall be in accordance with Section 608.1.2.

15A-3-313.15A-3-313 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapter 13 of IPC.

A system that utilizes nonpotable water (i.e., pressurized irrigation) and installs a connection to the potable water system for backup [must] shall install a Reduced Pressure- Principle69 Assembly- (RP)H.B. directly downstream of the potable water connection (Stop and Waste) and install a dual source connection directly downstream from the (RP) installed so that either the potable water system or the nonpotable water is connected at any time to prevent a direct Cross Connection and to protect the potable water from any potential hazard from the nonpotable water system.

See65 UtahEnrolled -Copy 76Pressure -Principle HB0065Assembly compared(RP) withdirectly HB0065S04downstream Codeof Sectionthe 19-4-112.potable water connection (Stop and Waste) and install a dual source connection directly downstream from the (RP) installed so that either the potable water system or the nonpotable water is connected at any time to prevent a direct Cross Connection and to protect the potable water from any potential hazard from the nonpotable water system.

See Utah Code Section 19-4-112.

Testing of a backflow prevention assembly shall be conducted in accordance with [Sections[ Sections 312.10.1, 312.10.2, and 312.10.3] Sections 312.11.1, 312.11.2, and 312.11.3." (7) IPC, Section 1304.4.2, is deleted and replaced with the following:

15A-3-315.15A-3-315 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapter 15 of IPC.

ASSE 5013-2015, ASSE 5015-2015, ASSE 5020-2015, ASSE 5047-2015, ASSE 5048-2015, ASSE 5052-98,- ASSE70 5056-2015,- CSAEnrolled B64.10-17,Copy andH.B. CSA B64.10.1-17.

65 5052-98, ASSE 5056-2015, CSA B64.10-17, and CSA B64.10.1-17.

- 77 - HB0065 compared with HB0065S04 "Standard reference Title Referenced in code section number number USC-FCCCHR 10th Foundation for Cross-Connection ControlSectionControl Section [312.10.2] 312.11.2" 10th Edition Manual of and Hydraulic Research University of Manual of Cross Connection Southern California Kaprielian Hall Connection 300 Control Los Angeles CA 90089-2531 Control Section 20.

15A-3-401.15A-3-401 (Effective 07/01/26).

(EffectiveGeneral 07/01/26)General provisions.

15A-3-402.15A-3-402 (Effective 07/01/26).

(EffectiveAmendments 07/01/26)Amendments to Chapters 1 through 5 of IMC.

A nail salon shall provide each manicure station where a nail technician files or shapes an acrylic nail, as defined by rule by the Division of Professional Licensing, in accordance- with71 Title- 63G,H.B. Chapter 3, Utah Administrative Rulemaking Act, with:

-65 78Enrolled -Copy HB0065accordance compared with HB0065S04Title a.63G, Chapter 3, Utah Administrative Rulemaking Act, with:

a.

"or UL/CSA 60335-2-40." - 7972 - HB0065Enrolled comparedCopy withH.B. HB0065S04 (6) In IMC, Section 1101.6, the following sentence is added at the end of the paragraph:

65 (6) In IMC, Section 1101.6, the following sentence is added at the end of the paragraph:

"Standard reference numberTitlenumber Title Referenced in code section number CSA:

CSA C22.2 Standard for Household and Similar ElectricalM1403.1,Electrical M1403.1, M1412.1, 60335-2-40-2019 Appliances, Part 2-40:

Particular M1413.1" Requirements M1413.1" for Electrical Heat Pumps, Air-Conditioners and Dehumidifiers - 3rd Edition (8) In IMC, Section 1109.2.5, the words using "Group A1 refrigerant" are deleted in Exception 2.

"Standard reference numberTitlenumber Title Referenced in code section number UL:

60335-2-40-2019 Standard for Household and Similar ElectricalM1403.1,Electrical M1403.1, M1412.1, Appliances, Part 2-40:

Particular M1413.1" Requirements M1413.1" for Electrical Heat Pumps, Air-Conditioners and Dehumidifiers - 3rd Edition Section 22.

15A-3-501.15A-3-501 (Effective 07/01/26).

(EffectiveGeneral 07/01/26)General provisions.

- 80 - HB0065 compared with HB0065S04 1.

and 3.- 73 - H.B.

65 Enrolled Copy 3.

15A-3-701.15A-3-701 (Effective 07/01/26).

(EffectiveGeneral 07/01/26)General provisions.

"R102.1.1 National Green Building Standard complying with ICC 700-2020 National Green Building Standard and - 81 - HB0065 compared with HB0065S04 achieving the Gold rating level for the energy efficiency category shall be deemed to exceed the energy efficiency required by this code.- 74 - Enrolled Copy H.B.

The65 buildingcode. shall also meet the requirements identified in table N1105.2 and the building thermal envelope efficiency is greater than or equal to levels of efficiency and solar heat gain coefficients (SHGC) in Tables N1102.2.2 and N1102.1.3 of the 2009 IRC." [(3)] (2) In IECC, Section R103.2, all words after the words "herein governed[.]," are deleted and replaced with the following:

"ConstructionThe documentsbuilding includeshall allalso documentationmeet requiredthe forrequirements identified in table N1105.2 and the building permitsthermal shallenvelope includeefficiency onlyis thosegreater itemsthan specifiedor equal to levels of efficiency and solar heat gain coefficients (SHGC) in 10-5-132(8)Tables N1102.2.2 and N1102.1.3 of the Utah2009 MunicipalIRC." Code."[(3)] [(4)](2) (3) In IECC, Section R303.1.3,R103.2, all words after the followingwords changes"herein governed[.] ," are made:deleted and replaced with the following:

"Construction documents include all documentation required for building permits shall include only those items specified in Section 10-5-132(8) of the Utah Municipal Code." [(4)] (3) In IECC, Section R303.1.3, the following changes are made:

"or EN 14351-1:2006+A1:2010", and in the sentence the word "accredited" is replaced with the word "approved."[.] (e) The following new sentence shall be inserted immediately [prior to]beforeto] before the last sentence:

in the- row75 titled- "ClimateH.B. Zone 3" delete 0.25 and replace it with 0.35;

65 Enrolled Copy the row titled "Climate Zone 3" delete 0.25 and replace it with 0.35;

- 82 - HB0065 compared with HB0065S04 (i) in the row titled "Climate Zone 3", delete 0.026 and replace it with 0.030;

(i) in the row titled "Climate Zone 3", delete all values and replace with "20+Oci or 13+5ci- or76 0+15ci";- Enrolled Copy H.B.

65 13+5ci or 0+15ci";

- 83 - HB0065 compared with HB0065S04 (i) in the row titled "Climate Zone 5 or Marine 4", delete all values and replace with "15+Oci or 0+11ci or 11+5ci";

and (ii) in the row titled "Climate Zone 5 [&;] and Marine 4", delete "4 ft" and replace it with "2 ft";

(g) {inin the } column titled "Crawl Space Wall R-Value", the following changes are made:

(i){row(i) in the row titled "Climate Zone } 5 or Marine 4", delete all values and replace with "15+Oci or 0+11ci or 11+5ci";

and {(ii)(ii) in the row titled "Climate Zone 6", delete all values and replace with "19+Oci or 0+13ci or 0+11+5ci";

and}and (ii)IECC,(h) in IECC, Table R402.2, in the column titled "MASS WALL R-VALUE", a new footnote "j" is added as follows:

(h)"j {theLog rowwalls }complying inwith IECC,ICC400 Tableand R402.2,with ina theminimum columnaverage titledwall {"Climatethickness Zoneof 6",[5] deletefive allinches valuesor andgreater replaceshall withbe "19+Ocipermitted in "Zones 5 through 8" when overall window glazing has a .31 U-factor or 0+13cilower, minimum heating equipment efficiency is 90 AFUE (gas) or 0+11+5ci";84 AFUE (oil), and all other component requirements are met." [(11)] (10) In IECC, a new subsection R402.1.5.1 is added as follows:

and}"R402.1.5.1 "MASSRESCheck WALL2012 R-VALUE",Utah aEnergy newConservation footnoteCode. "j" is added as follows:

"jCompliance Log walls complying with ICC400section andN1102.1.5 with(R402.1.5) amay minimum average wall thickness of [5 ]fiveinches or greater shall be permittedsatisfied inusing "Zonesthe 5software throughRESCheck 8"2012 whenUtah overallEnergy windowConservation glazingCode, haswhich ashall .31satisfy U-factorthe orR-value lower, minimum heating equipment efficiency is 90 AFUE (gas) or 84 AFUE (oil), and allU-factor other component requirements areof met."N1102.1, [(11)]N1102.2, (10)and {InN1102.3, IECC,provided athe newfollowing subsectionconditions R402.1.5.1are ismet: added as follows:

} Climate Zone 3, the software result shall show 5% better than code when software inputs for window U-factor = 0.65 and window SHGC = 0.40, notwithstanding actual windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and N1102.1.3 (R402.1.3).""R402.1.5.1 RESCheck 2012 Utah Energy Conservation Code.

Compliance with section N1102.1.5 (R402.1.5) may be satisfied using the software RESCheck 2012 Utah Energy Conservation Code, which shall satisfy the R-value and U- factor requirements of N1102.1, N1102.2, and N1102.3, provided the following conditions are met:

and {(b)IECC,(b) aIn newClimate subsectionZone R402.1.5.13, isthe addedsoftware asresult follows:shall show 5% better than code when software inputs for window U-factor = 0.65 and window SHGC = 0.40, notwithstanding actual - 77 - H.B.

}65 (b)Enrolled InCopy Climate Zone 3, the software result shall show 5% better than code when software inputs for window U-factor = 0.65 and window SHGC = 0.40, notwithstanding actual windows installed shall conform to requirements of Tables N1102.1.2 (R402.1.2) and N1102.1.3 (R402.1.3)." - 84 - HB0065 compared with HB0065S04 [(12)] (11) In IECC, Section R402.2.1, a new section is added as follows:

The house shall require a whole house mechanical ventilation system that does not rely solely on a negative pressure strategy {(must([must] be positive, balanced or hybrid).} ( must shall be positive, balanced or hybrid).

Indoor heating, cooling and ventilation equipment (including ductwork) shall be inside the building thermal envelope.envelope." [(13)] (12) A new IECC, Section R402.2.1.3 is added as follows:

"[ [(13)]]"R402.2.1.3 (12) A new IECC, Section R402.2.1.3 is added as follows:[]"R402.2.1.3 Walls with Air-Air-Impermeable Impermeable Insulation.

"or (ii) lowered from top of slab 4" when a 4" thermal break material such as, but not limited to, felt or asphalt impregnated fiber board, with a minimum thickness of 1/4" is installed at the upper 4" of slab." - 85 - HB0065 compared with HB0065S04 [(15)] (14) In IECC, Section R402.4.1, in the first sentence, the word "and" is deleted and replaced with the word "or."[.] [(16)]- (15)78 In- IECC,Enrolled SectionCopy R402.4.1.1,H.B. the second and the last sentences are deleted and replaced with the following:

65 [(16)] (15) In IECC, Section R402.4.1.1, the second and the last sentences are deleted and replaced with the following:

(b) The following sentence is added after the fourth sentence:"Thesentence: following parties shall be approved to conduct testing:

"The following parties shall be approved to conduct testing:

Supply and return ducts in attics shall be insulated to a minimum of R-8 where {3[3] }three [3]threeinchesinches (76.2 mm) in diameter and greater and R-6 where less than {3[3] }three [3]threeinchesinches (76.2 mm) in diameter.

Supply and return ducts in other portions of the building shall be insulated to a minimum of R-6 where {3[3] }three [3]threeinchesinches (76.2 mm) in diameter or greater - 86 - HB0065 compared with HB0065S04 and R-4.2 where less than {3[3] }three [3]threeinchesinches (76.2 mm)- in79 diameter.- H.B.

65 Enrolled Copy mm) in diameter.

"R403.6.2 Whole-Whole-house house mechanical ventilation system fan efficacy.

Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements of Table R403.6.2.[" ""]Exception: - 87 - HB0065 compared with HB0065S04 Exception:

"TABLE- R403.6.280 "- "Enrolled MECHANICALCopy VENTILATIONH.B. SYSTEM FAN EFFICACY " [(30)] (29) In IECC, Section R403.6.3 is deleted.

65 "TABLE R403.6.2[" "]MECHANICAL VENTILATION SYSTEM FAN EFFICACY["] FAN LOCATION AIR FLOW RATE MINIMUM AIR FLOW RATE MINIMUM (CFM) EFFICACY MAXIMUM (CFM) (CFM/WATT) HRV or ERV Any 1.2 cfm/watt Any Range hoods Any 2.8 cfm/watt Any In-line fan Any 2.8 cfm/watt Any Bathroom, utility room 10 1.4 cfm/watt 90 Bathroom, utility room 90 2.8 cfm/watt Any" [(30)] (29) In IECC, Section R403.6.3 is deleted.

The proposed total building thermal envelope UA, which is the sum of U-factor times assembly area, shall be less than or equal to the - 8881 - HB0065H.B. compared with HB0065S04 building thermal envelope UA using the prescriptive U-factors From Table N1102.1.2 multiplied by 1.15 in accordance with Equation 11-4.

65 Enrolled Copy than or equal to the building thermal envelope UA using the prescriptive U-factors From Table N1102.1.2 multiplied by 1.15 in accordance with Equation 11-4.

(a)(a)(i)(A) (i) (A) In IECC, Chapter 6, the standard for ANSI/RESNET/ICC 201-2019 section 4.4.4 is added as follows:

Table 4.4.4.1(1) SEER2 and HSPF2 Conversion["] SectionEquipment 24.Type SEER2/SEER EER2/EER4 HSPF2/HSPF Ductless Systems 1.00 1.00 0.90 - 82 - Enrolled Copy H.B.

65 Ducted Split System 0.95 0.95 0.85 Ducted Packaged 0.95 0.95 0.84 System Small Duct High 1.00 Not Applicable 0.85 Velocity System Ducted Space- 0.97 Not Applicable Not Applicable Constrained Air Conditioner Ducted Space- 0.99 Not Applicable 0.85" Constrained Heat Pump Section 24.

15A-3-801.15A-3-801 (Effective 07/01/26).

(EffectiveGeneral 07/01/26)General provisions.

- 89 - HB0065 compared with HB0065S04 The following are adopted as amendments to the IEBC and are applicable statewide:

(7) In IEBC, Section 503.5, the following is added after the words "BSE-1E earthquake hazard- level"83 in- theH.B. last sentence:

[(7)]65 (8)Enrolled IEBC,Copy Sectionhazard 503.6level" isin deleted and replaced with the following:last sentence:

"and using an objective of Life Safety Nonstructural Performance with the BSE-2E earthquake hazard level." [(7)] (8) IEBC, Section 503.6 is deleted and replaced with the following:

-"and 90using -an HB0065objective comparedof Life Safety Nonstructural Performance with HB0065S04the BSE-2E earthquake hazard level." (10) In IEBC, Section 705.2, a new Exception 2 is added as follows:

[(8)]"(2) (11)Where IEBC,permitted Sectionby 706.3.1the roof covering manufacturer, any existing layers of polyisocyanurate insulation, expanded polystyrene (EPS), or extruded polystyrene (XPS), shall be permitted to remain in place if the roof deck is deletedevaluated, andis replacedin withserviceable condition, and the following:insulation is not damaged, deteriorated or water soaked.

All other types of roof insulation and any areas of damage, deteriorated or water soaked insulation shall be removed and replaced with new insulation." [(8)] (11) IEBC, Section 706.3.1 is deleted and replaced with the following:

(13)"and Inusing IEBC,an Sectionobjective 906.3,of theLife followingSafety isNonstructural addedPerformance afterwith the wordsBSE-2E "BSE-1E- earthquake84 hazard- level"Enrolled inCopy theH.B. last sentence:

[(9)]65 (14)earthquake hazard level." (13) In IEBC, Section 906.6906.3, the following is deletedadded andafter replacedthe withwords "BSE-1E earthquake hazard level" in the following:last sentence:

"and using an objective of Life Safety Nonstructural Performance with the BSE-2E earthquake hazard level." [(9)] (14) IEBC, Section 906.6 is deleted and replaced with the following:

Where the intended alteration requires a permit for reroofing and involves removal of roofing materials from more than 25% of the roof area of a building assigned to Seismic Design Category D, E, or F that has parapets constructed of unreinforced masonry or appendages such as cornices, spires, towers, tanks, signs, statuary, etc., the work shall include installation of bracing to resist out-out-of-plane of-plane seismic forces, unless an evaluation demonstrates compliance with such items.

Reduced seismic [forces are permitted for design purposes] criteria of IEBC, Section 304.3.2, is permitted." [(10)] (15)(15)(a) (a) [Section 1006.3 is deleted and replaced with the following:

- 91 - HB0065 compared with HB0065S04 "5.

15A-3-1001.15A-3-1001 (Effective 07/01/26).

(EffectiveGeneral 07/01/26)General provisions.

A swimming pool, spa pool, or wading pool used only by an individual, family, or living unit members and guests, but not serving any type of multiple unit housing complex of four or- more85 living- units."H.B. (2) In ISPSC, Section 202, the definition for Residential Swimming Pool (Residential Pool) is deleted and replaced with the following:

65 Enrolled Copy or more living units." (2) In ISPSC, Section 202, the definition for Residential Swimming Pool (Residential Pool) is deleted and replaced with the following:

"326.2 Recirculation of Air.

Supply air to residential or public pool and spa and associated deck areas shall not be recirculated unless such air is dehumidified to maintain the relative humidity of the area at 60% or less.

Air from this area shall not be recirculated to other spaces where more than 10% of the resulting supply airstream consists of air recirculated from these spaces.