Oklahoma Administrative Code › Title 748 - Oklahoma Uniform Building Code Commission › Chapter 20 - Adopted Codes › Subchapter 6 - IRC[®] 2018 › Section 748:20-6-8 - IRC[®] 2018 Chapter 3 Building Planning

Current through Vol. 41, No. 20, July 1, 2024
Chapter 3 of the IRC® 2018 is adopted with the following
				  modifications:
(1) Table R301.2(1)
				Climatic and Geographic Design Criteria. This table has been modified to fill
				in the blank cell in row 2 under the Ice Barrier Underlayment Required column
				in the first section of the table. This table has been modified to read: Table
				R301.2(1) Climatic and Geographic Design Criteria. The table contains two parts
				the first part has two rows and nine columns with two of columns that contain
				subcolumns. The second part of the table contains five rows and eight columns
				with the first row merged into one column that reads "Manual J Design Criteria"
				with a superscript "n" following the title to indicate footnote "n" is
				applicable to this portion of the table. The second part of the table and all
				the footnotes have not been modified. The table and the modification are
				described below:
(A) Row 1: The first row of
				part one contains the headers for each column in this portion of the table is
				described below:
(i) Row 1, column 1 header
				is entitled "Ground Snow Load" with a superscript "o" to indicate footnote "o"
				is applicable.
(ii) Row 1, column 2
				header is entitled "Wind Design" and contains four subcolumns as listed below:
(I) Row 1, column 2, subrow 1 header is
				entitled "Speed (mph)" with a superscript "d" after the word "speed" to
				indicate footnote "d" is applicable.
(II) Row 1, column 2, subrow 2 header is
				entitled "Topographic Effects" with a superscript "k" to indicate footnote "k"
				is applicable.
(III) Row 1, column
				2, subrow 3 header is entitled "Special Wind Region" with a superscript "l" to
				indicated footnote "l" is applicable.
(IV) Row 1, column 2, subrow 4 header is
				entitled "Windborne Debris Zone" with a superscript "m" to indicate footnote
				"m" is applicable.
(iii)
				Row 1, column 3 header is entitled "Seismic Design Category" with a superscript
				"f" to indicate footnote "f" is applicable.
(iv) Row 1, column 4 header is entitled
				"Subject to Damage From" and contains three sub-columns as listed below:
(I) Row 1, column 4, subcolumn 1 header is
				entitled "Weathering" with a superscript "a" to indicate footnote "a" is
				applicable.
(II) Row 1, column 4,
				subcolumn 2 header is entitled "Frost Depth Line" with a superscript "b" to
				indicate footnote "b" is applicable.
(III) Row 1, column 4, subcolumn 3 header is
				entitled "Termite" with a superscript "c" to indicate footnote "c" is
				applicable.
(v) Row 1
				column 5 header is entitled "Winter Design Temp" with a superscript "e" to
				indicate footnote "e" is applicable.
(vi) Row 1, column 6 header is entitled "Ice
				Barrier Underlayment Required" with a superscript "h" to indicate footnote "h"
				is applicable.
(vii) Row 1, column 7
				header is entitled "Flood Hazards" with a superscript "g" to indicate footnote
				"g" is applicable.
(viii) Row 1,
				column 8 header is entitled "Air Freezing Index" with a superscript "i" to
				indicate footnote "i" is applicable.
(ix) Row 1, column 9 header is entitled "Mean
				Annual Temp" with a superscript "j" to indicate footnote "j" is
				applicable.