Effective July 1, 2022, there is herewith adopted, by reference, The International Residential Codes, 2021 Edition, as published by the International Code Council, adopted as a public record by Resolution No. R2022-03 of the Mayor and Council of the Town of Cave Creek by reference thereto, as fully and completely as if the terms thereof were fully set forth herein, in total, except as modified or changed as follows:
(A) Chapter 1, “Scope and Administration”, is hereby amended as follows; all items not identified shall remain as is:
(1) 101.1 Title. These regulations shall be known as the Residential Building Code of the Town of Cave Creek, hereinafter referred to as “this code”. When there is a conflict between these provisions and those of another technical code, these provisions shall apply. Where there is an administrative provision contained in another technical code and not in this code, then the administrative provision of the technical code shall apply.
(2) 105.2 Work exempt from permit. Exemption from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:
Building:
1. Other than storm shelters, one-story detached accessory structures, provided that the floor area does not exceed 120 square feet (11.148 m2) and the structure does not contain any electrical, plumbing or mechanical systems.
2. Fences not over 7 feet (2,134 mm) high, unless being used as part of a pool barrier.
3. Retaining walls that are not over 4 feet (1,219 mm) in height, measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.
4. Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons (18, 927 L) and the ratio of height to diameter or width does not exceed 2 to 1.
5. Sidewalks and driveways.
6. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.
7. Prefabricated swimming pools that are less than 18 inches (610 mm) deep.
8. Swings and other playground equipment.
9. Window awnings supported by an exterior wall that do not project more than 54 inches (1,372 mm) from the exterior wall, and do not require additional support.
10. Uncovered decks not exceeding 200 square feet (18.58 m2) in area, that are not more than 30 inches (762 mm) above grade at any point, are not attached to a dwelling and do not serve the exit door required by Section R311.4.
Electrical:
1. Listed, cord-and-plug-connected, temporary decorative lighting.
2. Reinstallation of attachment plug receptacles but not the outlets therefor.
3. Replacement of branch circuit overcurrent devices of the required capacity in the same location.
4. Electrical wiring, devices, appliances, apparatus, or equipment operating at less than 25 volts and not capable of supplying more than 50 watts of energy.
5. Minor repair work, including the replacement of lamps or the connection of approved portable electrical equipment to approved, permanently installed receptacles.
Gas:
1. Portable heating, cooking or clothes drying appliances.
2. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
3. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Mechanical:
1. Portable heating appliances.
2. Portable ventilation appliances.
3. Portable cooling units.
4. Steam, hot- or chilled-water piping within any heating or cooling equipment regulated by this code.
5. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
6. Portable evaporative coolers.
7. Self-contained refrigeration systems containing 10 pounds (4.54 kg) or less of refrigerant, or that are actuated by motors of 1 horsepower (746 W) or less.
8. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Plumbing:
1. The stopping of leaks in drains, water, soil, waste, or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.
2. The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes, or fixtures.
(3) 105.3.2 Time limitation of application. Shall be deleted in its entirety and replaced with the following:
An application for a permit for any proposed work shall be deemed to have been abandoned 180 days after the date of filing, unless such application has been pursued in good faith or a permit has been issued; except that the building official is authorized to grant one extension of time for an additional period not exceeding 180 days. The extension shall be requested in writing and justifiable cause demonstrated.
(4) 105.5 Expiration. Shall be deleted in its entirety and revised to read as follows:
Every permit issued shall become invalid unless the work on the site authorized by such permit is commenced within 180 days after its issuance by evidence of a passed inspection, or if the work authorized on the site by such permit is suspended or abandoned for a period of 180 days after the time the work is commenced by evidence of not passing an inspection. The building official is authorized to grant in writing one extension of time for a period of not more than 180 days. The extension shall be requested in writing and justifiable cause demonstrated.
(5) 108.3 Building permit valuations. Shall be deleted in its entirety and replaced with the following:
Building permit valuations shall include the total value of work for which a permit is being issued, such as electrical, gas, mechanical, plumbing, equipment and other permanent systems, including materials and labor. Building valuation shall be determined per Title XV, Section 151.14, of the town code.
(6) 108.5 Refunds. Shall be deleted in its entirety and replaced with the following:
1. The building official shall be permitted to authorize refunding of a fee paid hereunder that was erroneously paid or collected.
2. The building official shall be permitted to authorize refunding of not more than 80% of the permit fee paid when no work has been done under a permit issued in accordance with this code.
3. The building official shall be permitted to authorize refunding of not more than 80% of the plan review fee paid when an application for a permit for which a plan review fee has been paid is withdrawn or canceled before any examination time has been expended.
(7) 108.6 Work commencing before permit issuance. Shall be deleted in its entirety and replaced with the following:
Any person who commences any work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to a fee that
shall be in addition to the required permit fees. This fee shall be equal to the amount of the permit and plan review fee required by the approved fees. The payment of such fee shall not exempt an applicant from compliance with all other provisions of either this code or other requirements, nor from the penalty prescribed by law.
(8) 114.4 Failure to comply. Shall be deleted in its entirety and replaced with the following:
Any person who shall continue any work after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be liable under Title XV, Section 151.99, Penalty, of the town code.
(B) Chapter 3, “Building Planning”, is hereby amended as follows; all items not identified shall remain as is:
(1) Table R301.2 Climatic and geographic design criteria. Amend to read as follows.
Table R301.2 Climatic and Geographic Design Criteria
Wind speed: | 115 mph |
Seismic design category: | B |
Weathering: | Negligible |
Frost-line depth: | 0 |
Termite: | Moderate to Heavy |
Manual J Design Criteria | |
Elevation: | 2,530 feet |
Altitude Correction Factor | 0.970 |
Latitude: | 34 N |
Outdoor winter design dry-bulb temperature: | 34°F (01°C) |
Outdoor summer design dry-bulb temperature: | 104°F (40°C) |
Indoor winter design dry-bulb temperature: | Maximum of 72°F |
Indoor summer design dry-bulb temperature: | Minimum of 75°F |
Coincident wet bulb: | 70°F |
Daily range: | 30°F |
Winter humidity (December): | 50% RH |
Summer humidity (June): | 20% RH |
(2) Table 301.5 Minimum uniformly distributed live loads. Amend to read as follows. All other values remain unchanged.
Table 301.5 Minimum Uniformly Distributed Live Loads (in pounds per square foot)
Use | Uniform Live Load (psf) |
Uninhabitable attics with limited storageb, g | 40 |
Sleeping areas | 40 |
(3) R303.10 Required heating. Shall be deleted in its entirety and replaced with:
R303.10 Required Heating and Cooling.
Dwellings shall be provided with heating per Section R303.10.1, and cooling per Section R303.10.2.
R303.10.1 Heating.
Heating facilities shall be provided, capable of maintaining a room temperature of not less than 68°F (20°C) in all habitable rooms, bathrooms and toilet rooms, based on the winter design temperature of 34°F (01°C), per Appendix D of the International Plumbing Code. Cooking appliances and portable space heaters shall not be used to achieve compliance with this section.
Exception:
Heating systems are not required for interior spaces where the primary purpose of the space is not associated with human comfort.
R303.10.2 Cooling.
Cooling facilities shall be provided, capable of maintaining room temperature of not more than 85°F (29°C) In all habitable rooms, bathrooms and toilet rooms, based on the summer design temperature of 107°F (42°C), per Appendix D of the International Plumbing Code.
Exception:
Cooling systems are not required for interior spaces where the primary purpose of the space is not associated with human comfort.
(4) Section R313 Automatic fire sprinkler systems. Amend to read as follows:
R313 Automatic Fire Sprinkler Systems.
See Title XV, Section 151.07, of the town code for automatic fire sprinkler system requirements.
(5) R313.1 Townhouse automatic fire sprinkler system. Shall be deleted in its entirety.
(6) R313.2 One- and two-family dwellings automatic fire sprinkler system. Shall be deleted in its entirety.
(C) Chapter 4, “Foundations”, shall be amended as follows; all items not identified shall remain as is:
R403.1.4 Minimum depth. Is amended to read as follows:
All footings shall be placed at least 18 inches (457 mm) below the undisturbed ground surface or engineered fill. Where applicable, the depth of footings shall also conform to Section R403.1.4.1. Deck footings shall be in accordance with Section R507.3.
(D) Chapter 9, “Roof Assemblies”, shall be amended as follows; all items not identified shall remain as is:
R905.5 Mineral-surfaced roll roofing. Is amended by adding the following section:
R905.5.6 Drip edge.
A drip edge shall be provided at eaves and rake edges. Adjacent segments of drip edge shall overlap at least 2 inches (51 mm). Drip edges shall extend at least ¼ inch (6.4 mm) below the roof sheathing and extend onto the roof deck at least 2 inches (51 mm). Drip edges shall be fastened to the roof deck not less than 12 inches (305 mm) on center, with fasteners specified in Section R905.2.5. Underlayment shall be installed over the drip edge along eaves, and under the drip edge along rake edges.
(E) Chapter 10, “Chimneys and Fireplaces” shall be amended as follows; all items not identified shall remain as is:
Section R1008 Outdoor chimneys and fireplaces is added to read as follows:
R1008.1 Outdoor wood-burning devices.
Outdoor fireplaces, woodstoves, fire pits and other devices capable of burning wood shall be installed at least 10 feet from any property line.
Exceptions:
1. When a property line abuts a street or alley, the setback for these devices shall comply with the zoning ordinance.
2. The building official may allow a smaller setback if safety standards are met.
R1008.2 Outdoor gas devices.
Outdoor fireplaces, fire pits and other devices that burn gas only shall be vented as required by IRC Chapter 24, Fuel Gas.
R1008.3 Chimneys and flues.
Fireplaces, woodstoves, fire pits and other devices with a chimney or flue shall comply with Section R1003.9, Termination.
R1008.4 Code compliance.
1. Construction, installation and alteration of all outdoor fireplaces; woodstoves; fire pits and similar gas electric and solid fuel-burning devices and equipment, are subject to the requirements permits and inspections of this code.
2. With the permit application, a site plan shall be submitted indicating the location of the device and its proximity to the property line, alley, public right-of-way and all structures on the property.
(F) Chapter 11, “Energy Efficiency”.
(1) N1101.13.5 (R401.2.5) Additional energy efficiency. Shall be deleted in its entirety.
(2) Table N1102.1.2 (R402.1.2) Maximum assembly U-factors and fenestration requirements - Ceiling U-factor. Is hereby amended as follows:
Climate Zone
| Ceiling U-factor
|
2 | 0.036 |
(3) Table N1102.1.3 (R402.1.3) Insulation minimum R-values and fenestration requirements by components - Ceiling R-value. Is hereby amended as follows:
Climate Zone
| Ceiling R-factor
|
2 | 38 |
(4) Table 1102.4.1.1 (R402.4.1.1) Air barrier, air seal and insulation installation, rim joists. Is hereby revised as follows:
Component | Air Barrier Criteria Insulation | Installation Criteria |
Rim joists | Rim joists shall include an air barrier. | Rim joists shall be insulated so that the insulation maintains permanent contact with the exterior rim board.b |
(5) N1103.6.3(R403.6.3) Testing. Is deleted in its entirety.
(6) N1104.1.1 (R404.1.1) Exterior lighting. Is deleted in its entirety.
(7) N1104.2 (R404.2) Interior lighting controls. Is deleted in its entirety.
(8) Table N1105.2 (R405.2) Requirements for total building performance - Electrical power and lighting systems. Is hereby amended as follows; all other items in the table remain:
TABLE N1105.2 (R405.2)
REQUIREMENTS FOR TOTAL BUILDING PERFORMANCE
Electrical Lighting and Power Systems
| |
N1104.1 (R404.1) | Lighting equipment |
N1104.2 (R404.2) | Interior lighting controls |
(9) Table N1106.2 (R406.2) Requirements for energy rating index - Electrical lighting and power systems. Is hereby amended as follows; all other items in the table remain:
TABLE N1106.2 (R406.2)
REQUIREMENTS FOR ENERGY RATING INDEX
Electrical Lighting and Power Systems
| |
N1104.1 (R404.1) | Lighting equipment |
N1104.2 (R404.2) | Interior lighting controls |
N1106.3 (R406.3) | Building thermal envelope |
(10) N1106.3 (406.3) Building thermal envelope. Is hereby deleted in its entirety and replaced with the following:
The proposed total building thermal envelope UA, which is sum of U-factor times assembly area, shall be less than or equal to the building thermal envelope UA, using the prescriptive U-factors from Table N1102.1.2 (R402.1.2) multiplied by 1.15, in accordance with Equation 11-4. The area-weighted maximum fenestration SHGC permitted in Climate Zones 0 through 3 shall be 0.30.
UAProposed design = 1.15 x UAPrescriptive reference design
(11) N1106.4 (406.4) Energy rating index. Is amended to read as follows:
N1106.4 (R406.4) Energy Rating Index.
The Energy Rating Index (ERI) shall be determined in accordance with RESNET/ICC 301. Except for buildings covered by the International Residential Code, the ERI shall be permitted to be calculated using the minimum total air exchange rate for the rated home (QTOT) and for the index adjustment factor in accordance with Equation 11.5.
Qtot, CFM = (0.01 x total square foot area of house) + [7.5 x (number of bedrooms + 1)] (Equation 11-5)
Energy used to recharge or refuel a vehicle used for transportation on roads that are not on the building site shall not be included in the ERI reference design or the rated design. For compliance purposes, any reduction in energy use of the rated design associated with on-site renewable energy shall not exceed 15 percent of the total energy use.
(12) N1108 (R408) Additional efficiency package options. All of Section N1108 (R408) shall be deleted in its entirety.
(G) Chapter 24, “Fuel Gas”, shall be amended as follows; all items not identified shall remain as is:
(1) G2415.10 (404.10) Minimum burial depth. Is amended to read as follows:
Underground piping systems shall be installed a minimum depth of 12 inches (305 mm) below grade.
(2) G2415.12.1 Individual outside appliances. Delete in its entirety.
(H) Chapter 30, “Sanitary Drainage”. P3009.12 shall be added as follows:
P3009.12 Small graywater systems.
All graywater systems shall comply with the Arizona Department of Environmental Quality requirements. A graywater system requires no percolation test. A single discharge line from a clothes washer to outdoor irrigation requires no permit.
(`87 Code, § 7-5) (Am. Ord. 88-16, passed 8-1-88; Am. Ord. 95-01, passed 1-3-95; Am. Ord. 95-13, passed 9-5-95; Am. Ord. 2000-05, passed 5-15-00; Am. Ord. O-2004-15, passed 5-17-04; Am. Ord. O-2004-24, passed 8-2-04; Am. Ord. O2011-13, passed 11-21-11; ; Am. Ord. O2018-08, passed 11-19-18; Am. Ord. O2022-01, passed 3-21-22)