Current through Vol. 42, No. 1, September 16, 2024
(1) Table R602.3(1)
Fastening schedule. This table has been amended to add a new footnote "k" to
the table that is applicable to row 16 of the table. The table has 46 rows, 39
of the rows have four columns per row and seven (7) rows have one merged column
that break the table out into categories between certain rows as described
below:
(A) Row 1 contains the column headers
for the table and are listed below:
(i) Row 1,
column 1 is entitled "ITEM."
(ii)
Row 1, column 2 is entitled "DESCRIPTION OF BUILDING ELEMENTS."
(iii) Row 1, column 3 is entitled "NUMBER AND
TYPE OF FASTENER" with the superscript letters "a," "b," and "c" following the
word "FASTENER" to indicate footnotes "a," "b," and "c" are
applicable.
(iv) Row 1, column 4 is
entitled "SPACING AND LOCATION."
(B) Row 2 only has one column and is entitled
"Roof."
(C) Row 3, column 1 lists a
"1." No changes have been made to this row.
(D) Row 4, column 1 lists a "2." No changes
have been made to this row.
(E) Row
5, column 1 lists a "3." No changes have been made to this row.
(F) Row 6, column 1 lists a "4." No changes
have been made to this row.
(G) Row
7, column 1 lists a "5." No changes have been made to this row.
(H) Row 8, column 1 lists a "6." No changes
have been made to this row.
(I) Row
9, column 1 lists a "7." No changes have been made to this row.
(J) Row 10 only has one column and is
entitled "Wall."
(K) Row 11, column
1 lists an "8." No changes have been made to this row.
(L) Row 12, column 1 lists a "9." No changes
have been made to this row.
(M) Row
13, column 1 lists a "10." No changes have been made to this row.
(N) Row 14, column 1 lists an "11." No
changes have been made to this row.
(O) Row 15, column 1 lists a "12." No changes
have been made to this row.
(P) Row
16, column 1 lists a "13." No changes have been made to this row.
(Q) Row 17, column 1 lists a "14." No changes
have been made to this row.
(R) Row
18, column 1 lists a "15." No changes have been made to this row.
(S) Row 19, column 1 lists a "16." A new
footnote "k" has been added to the table and is specific to this row. The row
has two sub-rows and is described below.
(i)
Row 19, column 2 lists "Top or bottom plate to stud" and has a superscript "k"
after the word "stud" to indicate the newly added footnote "k" is
applicable.
(ii) Row 19, column 3
has two sub-rows. No changes have been made to either sub- row in the
column.
(iii) Row 19, column 4 has
two sub-rows. No changes have been made to either sub- row in the
column.
(T) Row 20,
column 1 lists a "17." No changes have been made to this row.
(U) Row 21, column 1 lists a "18." No changes
have been made to this row.
(V) Row
22, column 1 lists a "19." No changes have been made to this row.
(W) Row 23, column 1 lists a "20." No changes
have been made to this row.
(X) Row
24 has only one column and is entitled "Floor."
(Y) Row 25, column 1 lists a "21." No changes
have been made to this row.
(Z) Row
26, column 1 lists a "22." No changes have been made to this row.
(AA) Row 27, column 1 lists a "23." No
changes have been made to this row.
(BB) Row 28, column 1 lists a "24." No
changes have been made to this row.
(CC) Row 29, column 1 lists a "25." No
changes have been made to this row.
(DD) Row 30, column 1 lists a "26." No
changes have been made to this row.
(EE) Row 31, column 1 lists a "27." No
changes have been made to this row.
(FF) Row 32, column 1 lists a "28." No
changes have been made to this row.
(GG) Row 33, column 1 lists a "29." No
changes have been made to this row.
(HH) Row 34 has only one column and is
entitled "Wood structural panels, subfloor, roof and interior wall sheathing to
framing and particleboard wall sheathing to framing (see Table R602.3(3) for
wood structural panel exterior wall sheathing to wall framing)."
(II) Row 35, column 1 lists a "30." No
changes have been made to this row.
(JJ) Row 36, column 1 lists a "31." No
changes have been made to this row.
(KK) Row 37, column 1 lists a "32." No
changes have been made to this row.
(LL) Row 38 has only one column and is
entitled "Other wall sheathing" with a superscript "g" to show that footnote
"g" is applicable.
(MM) Row 39,
column 1 lists a "33." No changes have been made to this row.
(NN) Row 40, column 1 lists a "34." No
changes have been made to this row.
(OO) Row 41, column 1 lists a "35." No
changes have been made to this row.
(PP) Row 42, column 1 lists a "36." No
changes have been made to this row.
(QQ) Row 43 has only one column and is
entitled "Wood structural panels, combination subfloor underlayment to
framing."
(RR) Row 44, column 1
lists a "37." No changes have been made to this row.
(SS) Row 45, column 1 lists a "38." No
changes have been made to this row.
(TT) Row 46, column lists a "39." No changes
have been made to this row.
(UU)
Under the table, the following wording is listed "For SI: 1 inch equals 25.4
mm, 1 foot equals 304.8 mm, 1 mile per hour equals 0.447 m divided by s, 1 ksi
equals 6.895 MPa."
(VV) There are
eleven (11) footnotes, including the newly added footnote "k," that follow the
table and are listed below:
(i) Footnote "a"
reads: "Nails are smooth-common, box or deformed shanks except where otherwise
stated. Nails used for framing and sheathing connections shall have minimum
average bending yield strengths as shown: 80 ksi for shank diameter of 0.192
inch (20d common nail), 90 ksi for shank diameters larger than 0.142 inch but
not larger than 0.177 inch, and 100 ksi for shank diameters of 0.142 inch or
less."
(ii) Footnote "b" reads:
"Staples are 16 gage wire and have a minimum 7/16 -inch on diameter crown
width."
(iii) Footnote "c" reads:
"Nails shall be spaced not more than 6 inches on center at all supports where
spans are 48 inches or greater."
(iv) Footnote "d" reads: "Four-foot by 8-foot
or 4-foot by 9-foot panels shall be applied vertically."
(v) Footnote "e" reads: "Spacing of fasteners
not included in this table shall be based on Table R602.3(2)."
(vi) Footnote "f" reads: "For wood structural
panel roof sheathing attached to gable end roof framing and to intermediate
supports within 48 inches of roof edges and ridges, nails shall be spaced at 6
inches on center where the ultimate design wind speed is less than 130 mph and
shall be spaced 4 inches on center where the ultimate design wind speed is 130
mph or greater but less than 140 mph."
(vii) Footnote "g" reads: "Gypsum sheathing
shall conform to ASTM C1396 and shall be installed in accordance with GA 253.
Fiberboard sheathing shall conform to ASTM C208."
(viii) Footnote "h" reads: "Spacing of
fasteners on floor sheathing panel edges applies to panel edges supported by
framing members and required blocking and at floor perimeters only. Spacing of
fasteners on roof sheathing panel edges applies to panel edges supported by
framing members and required blocking. Blocking of roof or floor sheathing
panel edges perpendicular to the framing members need not be provided except as
required by other provisions of this code. Floor perimeter shall be supported
by framing members or solid blocking."
(ix) Footnote "i" reads: "Where a rafter is
fastened to an adjacent parallel ceiling joist in accordance with this
schedule, provide two toe nails on one side of the rafter and toe nails from
the ceiling joists to top plate in accordance with this schedule. The toe nail
on the opposite side of the rafter shall not be required."
(x) Footnote "j" reads: "RSRS-01 is a Roof
Sheathing Shank nail meting the specifications in ASTM F1667."
(xi) The newly added footnote "k" reads:
"When 7/16 inch structural sheathing is used with a minimum nailing spacing of
6 inches (152 mm) on the edge and 12 inches (305 mm) in the field, two- 3 inch
x 0.131 inch nails are acceptable for end nail conditions for the top and
bottom plate to stud connection."
(2) Table R602.3(3) Requirements for wood
structural panel wall sheathing used to resist wind pressures with a
superscript letters "a, b, and c" to indicate associated footnotes. This table
has been modified to add footnote "d" to the table heading to allow for
alternative fasteners when certain criteria is met. No changes to the table
itself have been made. The table title has been modified to read: Table
602.3(3) Requirements for wood structural panel wall sheathing used to resist
wind pressures, with the superscript letters "a," "b," "c," and "d" after the
word "pressures." The footnotes have been modified to read:
(A) Footnote "a" reads: "Panel strength axis
parallel or perpendicular to supports. Three- plywood sheathing with studs
spaced more than 16 inches on center shall be applied with panel strength axis
perpendicular to supports."
(B)
Footnote "b" reads: "Table is based on wind pressures acting toward and away
from building surfaces in accordance with Section R301.2. Lateral bracing
requirements shall be in accordance with Section R602.10."
(C) Footnote "c" reads: "Wood structural
panels with span ratings of Wall-16 or Wall-24 shall be permitted as an
alternate to panels with a 24/0 span rating. Plywood siding rated at 16 o.c. or
24 o.c. shall be permitted as an alternate to panels with a 24/16 span rating.
Wall-16 and Plywood siding 16 o.c. shall be used with studs spaced not more
than 16 inches on center."
(D)
Footnote "d" reads: "The following alternative fasteners will be acceptable
with a wind exposure category of C or D, 0.099-inch x 2-1/4 inches at 3 inches
o.c. along the edge and 6 inches o.c. in the field. Or 0.113-inch x 2-3/8
inches at 6 inches o.c. along the edge and 12 inches o.c. in the
field."
(4) Section R602.10.8 Braced
wall panel connections. This section has been modified to include a fourth
requirement to the section for anchoring wood sole plates to the building
interiors on monolithic slabs using connectors with specific requirements. This
section has been modified to read: R602.10. 8 Braced wall panel connections.
Braced wall panels shall be connected to the floor framing or foundations as
follows:
(A) Item 1. Where joists are
perpendicular to a braced wall panel above or below, a rim joist, band joist or
blocking shall be provided along the entire length of the braced wall panel in
accordance with Figure R602.10.8(1). Fastening of top and bottom wall plates to
framing, rim joist, band joist and/or blocking shall be in accordance with
Table R602.3(1).
(B) Item 2. Where
joists are parallel to a braced wall panel above or below, a rim joist, end
joist or other parallel framing member shall be provided directly above and
below the braced wall panel in accordance with Figure R602.10.8(2). Where a
parallel framing member cannot be located directly above and below the panel,
full-depth blocking at 16- inches (406 mm) spacing shall be provided between
parallel framing members to each side of the braced wall panel in accordance
with figure R602.10.8(2). Fastening of blocking and wall plates shall be in
accordance with Table R602.3(1) and Figure R602.10.8(2).
(C) Item. 3. Connections of braced wall
panels to concrete or masonry shall be in accordance with Section
R403.1.6.
(D) Item 4. Wood sole
plates of braced wall panels at building interiors on monolithic slabs maybe
anchored using connector(s) with a shear capacity of 2300 pounds and a tensile
capacity of 800 pounds over a maximum span of 6 feet (1829 mm).
(5) Section R602.12 Simplified
wall bracing. This section has been modified to change wall height, roof eave
height, and wind speed conditions. This section has been modified to read:
R602.12 Simplified wall bracing. Buildings meeting all of the conditions listed
below shall be permitted to be braced in accordance with this section as an
alternate to the requirements of Section R602.10. The entire building shall be
braced in accordance with this section; the use of other bracing provisions of
Section R602.10, except as specified herein, shall not be permitted.
(A) Item. 1. There shall be not more than
three stories above the top of a concrete or masonry foundation or basement
wall. Permanent wood foundations shall not be permitted.
(B) Item 2. Floors shall not cantilever more
than 24 inches (610 mm) beyond the foundation or bearing wall below.
(C) Item 3. Wall height shall not be greater
than 12 feet (3658 mm)
(D) Item 4.
The building shall have a roof eave-to-ridge height of 20 feet (6096 mm) or
less.
(E) Item 5. Exterior walls
shall have gypsum board with a minimum thickness of 1/2 inch (12.7mm) installed
on the interior side fastened in accordance with Table R702.3.5.
(F) Item. 6. The structure shall be located
where the ultimate design wind speed is less than or equal to 115 mph (51.4
m/s), and the exposure category is B or C.
(G) Item. 7. The structure shall be located
in Seismic Design Category A, B, or C for detached one- and two-family
dwellings or Seismic Design Category A or B for townhouses.
(H) Item 8. Cripple walls shall not be
permitted in three-story buildings.
