ARTICLE II.
BUILDING CODE¹

Sec. 5-16 Adopted.

(a) International Building Code, 2018 Edition, published by the International Code Council, fourth printing, containing the administrative, fire and life safety, plan review, and field inspection provisions including all nonstructural provisions and those structural provisions necessary for field inspections, for all buildings except detached one (1) and two (2) family dwellings and townhouses not more than three (3) stories above grade plane in height with separate means of egress and their accessory structures. The following appendices are specifically adopted as part of this code:

Appendix C – Group U – Agricultural Buildings;

Appendix I – Patio Covers;

Appendix F – Rodent Proofing;

Appendix J – Grading;

Appendix N – Replicable Buildings.

(b) International Residential Code, 2018 Edition, published by the International Code Council, third printing, containing the administrative, fire and life safety, plan review, and field inspection provisions including all nonstructural provisions and those structural provisions necessary for field inspections, for all detached one (1) and two (2) family dwellings and townhouses not more than three (3) stories above grade plane in height with separate means of egress and their accessory structures. The following appendices are specifically adopted as part of this code:

Appendix A – Sizing and Capacities of Gas Piping;

Appendix B – Sizing of Venting Systems;

Appendix C – Exit Terminals of Mechanical Draft and Direct Venting Systems;

Appendix H – Patio Covers;

Appendix J – Existing Buildings and Structures;

Appendix O – Automatic Vehicular Gates;

Appendix Q – Tiny Houses;

Appendix R – Light Straw-Clay Construction;

Appendix S – Strawbale Construction.

(c) International Existing Building Code, 2018 Edition, published by the International Code Council, second printing, containing the administrative, fire and life safety, plan review, and field inspection provisions including all nonstructural provisions and those structural provisions necessary for field inspections, which shall be allowed for all existing buildings except detached one (1) and two (2) family dwellings and townhouses not more than three (3) stories above grade plane in height with separate means of egress and their accessory structures. The following appendices are specifically adopted as part of this code:

Appendix C – Guidelines for the Wind Retrofit of Existing Buildings;

Resource A – Guidelines on Fire Ratings of Archaic Materials and Assemblies.

(d) International Energy Conservation Code, 2018 Edition, published by the International Code Council, third printing, containing the administrative, plan review, and field inspection provisions including all nonstructural provisions and those structural provisions necessary for field inspections, for all commercial buildings.

(Ord. No. 1916, § 4, 12-15-20)

State law references: Power of city to adopt technical codes by reference, A.R.S. §§ 9-801, 9-802; city to require statement concerning state contractor’s license, prior to permit issuance, A.R.S. § 32-1168; city to transmit copy of building permit to county and state, A.R.S. § 9-467; licensing of contractors, A.R.S. § 32-1101 et seq.

Secs. 5-17—5-18. Reserved

 

Sec. 5-19 Amendments.

(a) The International Building Code, 2018 Edition, is hereby amended in the following respects:

Chapter 1 – General

Section 101.1 Title.

These regulations shall be known as the Building Code of the City of Kingman, hereinafter referred to as “this code.”

Section 105.2 Work exempt from permit.

Building:

1. One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided that the floor area is not greater than 200 square feet (18.5 m2).

Chapter 11 – Accessibility.

The standards and specifications set forth in Title 41, Chapter 9, Article 8, Arizona Revised Statutes (Arizonans with Disabilities Act), and its implementing rules, including the 2010 ADA Standards for Acceptable Design.

Chapter 33 – Safeguards During Construction

Delete Section 3310.1, Stairways required.

(b) The International Residential Code, 2018 Edition, is hereby amended in the following respects:

Chapter 1 – Administrative

Section R101.1 Title.

These provisions shall be known as the Residential Code for One- and Two-family Dwellings of the City of Kingman, and shall be cited as such and will be referred to herein as “this code.”

Chapter 3 – Building Planning

Climatic and Geographic Design Criteria

Table R301.2(1)

CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Ground Snow Load	Climate Zone			Wind Design				Seismic Design Category	Subject to Damage from			Winter Design Temp (°F)	Ice Barrier Underlayment Required	Flood Hazards	Air Freezing Index (°F)	Mean Annual Temp (°F)
	Elevation (ft)	Climate Designation	Climate Zone	Ultimate Design Speed (mph)	Topographic Effects	Special Wind Region	Windborne Debris Zone		Weathering	Frost Line Depth (in)	Termite
10psf	5400'	Warm-Dry	3B	115	No	No	No	C	Negligible	12	Moderate	34	No	Yes	< 1500	61.4
5psf	4500'										Heavy
0psf	3000'

Table 301.2(1) Manual J Design Criteria

Delete Manual J Design Criteria from table and footnote n.

Section 302.2 Townhouses

Add additional criteria to Section R302.2.2, Common walls item 1.

1.1 The common wall can contain plumbing and mechanical equipment.

1.2 The common wall may terminate at the ceiling level as long as the entire ceiling is protected with 5/8-inch Type X gypsum and an attic draft stop constructed as specified in Section R302.12.1 is provided above and along the wall assembly separating the dwellings.

1.3 The roof decking or sheathing is of noncombustible materials or fire-retardant-treated wood for a distance of 4 feet on each side of the wall or walls, or one layer of 5/8-inch Type X gypsum board is installed directly beneath the roof decking or sheathing, supported by not less than nominal 2-inch ledgers attached to the sides of the roof framing members, for a distance of not less than 4 feet on each side of the wall or walls and any openings or penetrations in the roof are not within 4 feet of the common walls. Fire-retardant-treated wood shall meet the requirements of Sections R802.1.5 and R803.2.1.2. The sprinkler system may be extended for attic coverage in lieu of item 1.3.

Section 302.13 Fire protection of floors

Add Exception 5 to R302.13, Fire protection of floors.

5. A membrane is not required when the vertical distance from grade to the underside of the finished floor does not exceed 48-inches and the crawl space floor is insulated with fiberglass batt insulation within the joist spaces.

Section 303.4 Mechanical ventilation

Delete Section R303.4, Mechanical Ventilation.

Automatic Fire Sprinkler System

Delete Section R313, Mandatory Sprinkler Requirements.

Chapter 4 – Foundations

Section 403.1 General

Add Exception to Section R403.1.

1. Free-standing accessory structures with an area of 400 square feet or less, of light-frame construction, with an eave height of 10 feet or less and where no gas or electric is installed to the structure.

Chapter 11 – Energy Efficiency

Amend Table N1102.1.2.

Table N1102.1.2

INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT

CLIMATE ZONE	FENESTRATION U-FACTOR	SKYLIGHT U-FACTOR	GLAZED FENESTRATION SHGC	CEILING R-VALUE	WOOD FRAME WALL R-VALUE	FLOOR R-VALUE	BASEMENT WALL R-VALUE	SLAB R-VALUE AND DEPTH	CRAWL SPACE R-VALUE
38	0.32	0.55	0.25	30	19 or 13 + 5	19	5/13	0	5/13

Delete Sections N1102.4 through N1102.4.1.2, Air Leakage.

Delete Sections N1103.3.3 through N1103.3.4, Duct Leakage.

Delete Section N1103.6, Mechanical ventilation (Mandatory).

Delete Section N1103.7, Equipment sizing and efficiency rating (Mandatory).

Chapter 29 – Water Supply and Distribution

Amend Section P2902.5.3, Lawn irrigation systems.

The potable water supply to lawn irrigation systems shall be protected against backflow by an atmospheric vacuum breaker. Valves shall not be installed downstream from an atmospheric vacuum breaker. Where chemicals are introduced into the system, the potable water supply shall be protected against backflow by a reduced pressure principle backflow prevention assembly.

Chapter 39 – Power and Lighting Distribution

Add Exception to Section E3902.2, Garage and accessory building receptacles.

A dedicated circuit for a washing machine, freezer, or refrigerator may be installed in garages without ground-fault circuit interrupter protection.

Amend Section E3902.16, Arc-fault circuit-interrupter protection.

Branch circuits that supply 120-volt, single-phase, 15- and 20-ampere outlets installed in bedrooms shall be protected by any of the following:

Appendices – Appendix Q Tiny Houses

Amend the definition of “tiny house.”

A single-family detached dwelling smaller than 860 square feet in floor area excluding lofts. Tiny houses shall not be smaller than 300 square feet. (300SF to 859SF)

(c) The International Energy Conservation Code, 2018 Edition, is hereby amended in the following respects:

The Residential Energy Code Provisions – Chapter 1, Section R101.1 through Chapter 4, Section R406.6.5, are not adopted as part of this code.

(Ord. No. 1916, § 4, 12-15-20)

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Editor’s note: Art. II, §§ 5-16—5-19 was repealed and replaced to read as herein set out by Ord. No. 1916, § 4, adopted Dec. 15, 2020. Prior to this amendment, Art. II contained similar provisions and was derived from Art. II as set out by Section 1 of Ord. No. 786, adopted Feb. 20, 1990, which replaced the article in its entirety. It was further amended by Ord. No. 931, § 1, 8-3-92; Ord. No. 932, § 1, 8-3-92; Ord. No. 1029, § 1, 3-6-95; Ord. No. 1086, § 1, 6-17-96; Ord. No. 1109, §§ 1, 2, 12-2-96; Ord. No. 1166, § 1, 5-18-98; Res. No. 3449, 8-2-99; Ord. No. 1458, § 1, 12-20-04, made pub. rec. by Res. No. 4061, 12-20-04; Ord. No. 1534, § 1, 3-6-06; Ord. No. 1534-R, § 1, 5-1-06; Ord. No. 1603, § 1, 12-17-07; Ord. No. 1607, § 2, 2-4-08 and Ord. No. 1754, § 1, 5-21-13.

Prior to the amendment by Ord. No. 786, Art. II contained provisions relative to the same subject matter and was derived from § 22-20 of the 1966 Code and from the following: Ord. No. 193, § 1, 8-13-73; Ord. No. 206, § 2, 12-10-73; Res. No. 533, 2-9-76; Ord. No. 310, § 6, 1-9-78; Ord. No. 327, 6-12-78; Ord. No. 472-A, §§ 2—4, 11-8-82; Ord. No. 482, § 1, 1-10-83; Ord. No. 610, 5-5-86; Ord. No. 662, § 1, 8-3-87; Ord. No. 675-R-1, 11-16-87.

Cross references: Fees, § 5-2.