(A) The International Residential Code, 2013 Edition, published on or after August 31, 2017 by the International Code Council, Inc., is adopted.
(B) The following local amendments to the International Residential Code are proposed to be adopted:
(1) Section 101.2 Scope. Exception: Remove last sentence of first paragraph and change the number of occupants from 5 to 6 in items 2. 6. Also, add the words, “Provided all are capable of self preservation,” to the end of .4 and .5.
(2) Section 105.1 Required. The following language is added to the end of this section: “In addition, Park Models require a building permit for placement. At minimum, approved hold down anchors must be installed at building corners and electrical and mechanical equipment that are hard-wired and/or exterior to the unit require a separate permit.”
(3) Section 105.2 (3). The section is revised so that height is measured from the top of the footing or retaining walls instead of the bottom.
(4) Section 108.6 Work commencing before permit issuance. The following language is added to the end of section: “An investigation fee, in addition to the permit fee, shall be collected whether or not a permit is then or subsequently issued. The investigation fee shall be equal in amount to the permit that would have been required to authorize such work to be done, except that the minimum amount to be collected may be not less than $70.”
(5) Section 112.2.1 Determination of substantial improvement in flood hazard area. This subsection is not adopted.
(6) Section 112.2.2 Criteria for issuance of a variance flood hazard areas. This subsection is not adopted.
(7) Section 113.2.2 Construction debris. “Construction sites shall be kept reasonable clear of construction debris during the course of construction. Construction debris shall be removed or stored on the site and not be at risk of being displaced due to weather conditions”.
(8) Section 202 Definitions. The following definition is added: “Park Model Living Unit. Any factory assembled portable unit to which is affixed an Arizona recreational vehicle seal, mounted on a chassis and wheels not more than 12 feet in width and no greater than 400 square feet in area. In addition, not less than 320 square feet in total area and permanently connected to utilities that are necessary for the operation of the installed park model living unit with no holding tank, other than an approved water heater.”
(9) Table R301.2 (1) Climatic and Geographical Design Criteria. Shall be amended as follows:
Ground Snow Load - 48 lbs/sq. ft.
Wind Design -115/vult 89/asd Exposure B
Seismic Design Category - B
Weathering - Negligible
Frost Depth - 18"
No Ice Barrier Required
Engineering Department Deals with Flood Hazard Determination
Air Freezing Index - 1000
Mean Annual Temperature - 65/F
(10) Modify Habitable Attics and Bedrooms to reflect a live load of 40. Footnote (i) is added to Table 301.5 and shall read as follows: “When attic storage trusses exceed (4) four trusses for HVAC units and exceed the limits listed elsewhere in this table, or in the footnotes, a 40 pound live load design shall be used.”
(11) Section 302.6. Change the type of drywall listed from ½" to 5/8" type X.
(12) Table 302.6. Printed dimension of ½" is replaced with 5/8" type X.
(13) 309.5 Fire sprinklers. The following language is added at the beginning of the section: “When required by Town of Payson Ordinances”.
(14) Section 310.2.1. Delete the Exception.
(15) Section 311.3.1 Exception & § 311.3.2. Max height increased to 8" from 7¾".
(16) R302.7. Modify ½" drywall to " type X.
(17) Section 313.2 One and two-family dwellings automatic fire systems. The following language is added to the end of the paragraph: “When either of the two conditions listed below exist:
1. When such buildings have more than 4800 sq. ft. of livable area.
2. When operational procedures include provisions that more than one person not capable of self-preservation in a group home, that is unrelated to the person in control of the property occupies a residential unit for more than 30 consecutive days.”
(18) Section 313.2.1 Design and Installation. Strike reference to require fire sprinklers in all single-family homes, by striking the words, “and installed” from this section.
(19) Section 320.1 Scope. The following language is added before the existing paragraph: “Where disabled, unrelated persons occupy a residential unit, the building and bedroom entry, main level living area and at least one bathroom to be used by such persons shall comply with the provisions of chapter 11 of the International Building Code, additionally.”
(20) Section 322 Flood-Resistant Construction. The Building Official may use flood resistant construction requirements in this section under his authority to determine structure construction requirements, however the Town Engineer shall use local ordinances to mandate when a flood potential exists and all benchmarks and grading must be completed in compliance with Engineering Department adopted standards.
(21) Section 506.1 General. The following sentence is add to the section, "Control Joints in unreinforced concrete slab floors on grade shall be provided at a maximum of 12 feet on center, in both directions."
(22) Stud size, height and Spacing § 602.3.1, Exception 3. Modify the roof live load not to exceed 40 from 20 and the ground snow load not to exceed 48 from 30.
(23) Section 606.6.4.1 Horizontal lateral support. Revise the section to read as follows: “Minimum reinforcement requirements for masonry elements. Masonry elements shall be reinforced by at least one #4 rebar, in both the horizontal and vertical directions at no further than 4' on center. Additionally, a single #4 rebar is required within 6 inches of the top of masonry walls, placed horizontally and within 18" vertically placed, of the end of the wall and at openings.”
(24) The energy conservation provisions of Chapter 11 are recognized but not adopted as being required with the exception of the following:
INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTS
(a) Excerpts from Table 1102.1.2
CLIMATE ZONE | FENESTRATION U-FACTORS (b) | SKYLIGHT (b) U-FACTOR | GLAZED FENESTRATION SHGC (b) | CEILING R- VALUE | WOOD FRAME WALL R-VALUE (e) | MASS WALL R- VALUE | FLOOR R-VALUE | BASEMENT WALL R-VALU E (c) | (d) SLAB VALUE AND DEPTH | CRAWL (c) SPACEWALL R-VALUE |
4 | 0.35 | 0.55 | 0.40 | 38 | 20 or 13+5 (h) | 8/13 | 19 | 10/13 | 10, 18" | 10/13 |
a. R-VALUES ARE M1NIMUMS. CT-FACTORS ARE MAXIMUMS. WHEN INSULATION IS INSTALLED IN A CAVITY WHICH IS LESS THAN THE LABEL OR DESIGN THICKNESS OF THE INSULATION, THE INSTALLED R-VALUE OF THE INSULATION SHALL NOT BE LESS THAN THE VALUE SPECIFIED IN THE TABLE.
b. THE FENESTRATION U-FACTOR COLUMN EXCLUDES SKYLIGHTS. THE SHGC COLUMN APPLIES TO ALL GLAZED FENESTRATION.
c. “10/13" MEANS R-1O CONTINUOUS INSULATION ON THE INTERIOR OR EXTERIOR OF THE HOME OR R-13 CAVITY INSULATION AT THE INTERIOR OF THE BASEMENT WALL.
d. R-5 SHALL BE ADDED TO THE REQUIRED SLAB EDGE R-VALUES FOR HEATED SLABS. INSULATION DEPTH SHALL BE 18 INCHES BELOW GRADE.
e. DELETED.
f. DELETED.
g. DELETED
h. THE FIRST VALUE IS CAVITY1NSULATION. THE SECOND VALUE IS CONTINUOUS INSULATION. THEREFORE, AS AN EXAMPLE, “13+5” MEANS R-13 CAVITY INSULATION PLUS R-5 CONTINUOUS INSULATION.
IECC Table R402.1.3 and IRC Section N1 102.1.3 - Tables are amended as follows:
CLIMATE ZONE | FENESTRATION U- FACTOR | SKYLIGHT U-FACTOR | CEILING U-FACTOR | FRAME WALL U-FACTOR | MASS WALL U-FACTOR (b) | FLOOR U-FACTOR | BASEMENT WALL U-FACTOR | CRAWL SPACE WALL U-FACTOR |
4 | 0.35 | 0.55 | 0.03 | 0.057 | 0.098 | 0.059 | 1/0 |
a. NON-FENESTRATION U-FACTORS SHALL BE OBTAINED FROM MEASUREMENT, CALCULATION OR AN APPROVED SOURCE.
b. WHEN MORE THAN HALF THE INSULATION IS ON THE INTERIOR, THE MASS WALL U-FACTOR SHALL BE A MAXIMUM OF 0.087.
(25) N1 103.3.1 (R403.3.1) Insulation (Prescriptive). Inclusive of exception. Adopt section as printed.
(26) N1103.3.2 (R403.3.2) Sealing (Mandatory). Adopt section as printed.
(27) Section M 1305.1 Appliance access for inspection service, repair and replacement. Only the first sentence of this subsection is adopted. Add the following at the end of the paragraph: “This section does not apply to appliances located on roofs.”
(28) P 2904.1.1. The words, “as specified in amended section 313.2 and in Townhouses" are inserted after the words, “dwelling unit”.
(29) Appendix chapters to be adopted specifically:
(a) Appendix M - Home Day Care-R3 Occupancy
(b) Appendix Q - Tiny Houses
(c) Appendix R - Light Straw Clay Construction
(d) Appendix S - Straw Bale Construction
(Res. 2056, passed 5-12-05; Am. Ord. 668, passed 5-12-05; Am. Ord. 684, passed 4-13-06; Am. Res. 2156, passed 4-13-06; Am. Res. 2332, passed 11-1-07; Am. Ord. 726, passed 11-1-07; Am. Res. 2818, passed 12-18-14; Am. Ord. passed 12-18-14; Am. Ord. 894, passed 8-3-17; Am. Res. 3049, passed 8-3-17; Am. Res. 3180, passed 1-23-20)