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// CODE SNIPPET

R505.3.4 Bearing Stiffeners

Los Angeles Residential Code > 5 Floors > R505 Cold-Formed Steel Floor Framing > R505.3 Floor Construction > R505.3.4 Bearing Stiffeners
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Bearing stiffeners shall be installed at each joist bearing location in accordance with this section, except for joists lapped over an interior support not carrying a load-bearing wall above. Floor joists supporting jamb studs with multiple members shall have two bearing stiffeners in accordance with Figure R505.3.4(1). Bearing stiffeners shall be fabricated from a C-shaped, track or clip angle member in accordance with the one of following:

  1. C-shaped bearing stiffeners:

    1. 1.1. Where the joist is not carrying a load-bearing wall above, the bearing stiffener shall be a minimum 33 mil (0.84 mm) thickness.
    2. 1.2. Where the joist is carrying a load-bearing wall above, the bearing stiffener shall be not less than the same designation thickness as the wall stud above.
    3. 2. Track bearing stiffeners:

      1. 2.1. Where the joist is not carrying a load-bearing wall above, the bearing stiffener shall be a minimum 43 mil (1.09 mm) thickness.
      2. 2.2. Where the joist is carrying a load-bearing wall above, the bearing stiffener shall be not less than one designation thickness greater than the wall stud above.

The minimum length of a bearing stiffener shall be the depth of member being stiffened minus 3/8 inch (9.5 mm). Each bearing stiffener shall be fastened to the web of the member it is stiffening as shown in Figure R505.3.4(2).

FIGURE R505.3.4(1)

BEARING STIFFENERS UNDER JAMB STUDS

For SI: 1 inch = 25.4 mm.

FIGURE R505.3.4(2)

BEARING STIFFENER

Related Code Sections


R505.3.4 Floors, Bearing Stiffeners
Bearing stiffeners shall be installed at each joist bearing location in accordance with this section, except for joists lapped over an interior ...
Los Angeles Residential Code > 5 Floors > R505 Cold-Formed Steel Floor Framing > R505.3 Floor Construction > R505.3.4 Bearing Stiffeners
R505.3.4 Floors, Bearing Stiffeners
Bearing stiffeners shall be installed at each joist bearing location in accordance with this section, except for joists lapped over an interior ...
Los Angeles Residential Code > 5 Floors > R505 Cold-Formed Steel Floor Framing > R505.3 Floor Construction > R505.3.4 Bearing Stiffeners
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Load-bearing cold-formed steel studs constructed in accordance with Section R603 shall be located in-line with joists, trusses and rafters ...
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R804.1.2 Roof-Ceiling Construction, In-Line Framing
framing member and the centerline of the vertical framing member. Where the centerline of the horizontal framing member and bearing stiffener ...
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