Questions and Answers
What is the live load for a sleeping room?
30 psf
What is the live load for decks?
40 psf
What is the live load for an attic with limited storage?
20 psf
What is the live load for rooms other than sleeping rooms?
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What is the max dead load allowed for seismic for interior light frame wood walls?
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What is the max dead load allowed for seismic for floor assemblies?
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What is the max dead load allowed for seismic for 8" thick masonry walls?
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What is the max dead load allowed seismic for roof/ceiling assembly?
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List the 7 seismic design categories.
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Upstate SC is primarily in what seismic design category?
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Are there any seismic requirements for detached one and two family dwellings located in Seismic Design Category 'C'?
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What is the seismic design category for Greenville, SC?
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What is the height limitation (in stories) of wood framed buildings located in seismic design categories D-0, D-1, & D-2?
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What is the max stud height and spacing for a laterally unsupported wood stud 2 X 6-bearing wall supporting two floors, roof & ceiling?
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What is the max stud height and spacing for a laterally unsupported wood stud 2 X 4 non-bearing wall in a building with two floors, roof & ceiling?
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What is the max stud height and spacing for a laterally unsupported wood stud 2 X 6-bearing wall supporting roof & ceiling only?
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What is the max stud height and spacing for a laterally unsupported wood stud 2 X 4-bearing wall supporting one floor, roof & ceiling?
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What is the max stud height and spacing for a laterally unsupported wood stud 2 X 6-non-bearing wall in a building with one floor, roof & ceiling?
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Study Notes
Live Loads
- Sleeping room: 30 psf (pounds per square foot)
- Decks: 40 psf
- Attic with limited storage: 20 psf
- Rooms other than sleeping rooms: 40 psf
Dead Loads for Seismic Design
- Interior light frame wood walls: maximum 10 psf
- Floor assemblies: maximum 10 psf
- 8" thick masonry walls: maximum 80 psf
- Roof/ceiling assembly: maximum 15 psf
Seismic Design Categories
- Categories include: A, B, C, D-0, D-1, D-2, E
- Upstate South Carolina primarily falls under Category B
- No seismic requirements for detached one and two family dwellings in Category C
- Greenville, SC is in Seismic Design Category B
Height Limitations for Wood Framed Buildings
- Maximum height for buildings in categories D-0, D-1, & D-2: 3 stories
- Laterally unsupported 2 x 6 bearing wall (supporting two floors, roof, & ceiling): 10 feet height, 16-inch spacing
- Laterally unsupported 2 x 4 non-bearing wall (in a building with two floors, roof & ceiling): 14 feet height, 24-inch spacing
- Laterally unsupported 2 x 6 bearing wall (supporting roof & ceiling only): 10 feet height, 24-inch spacing
- Laterally unsupported 2 x 4 bearing wall (supporting one floor, roof & ceiling): 10 feet height, 16-inch spacing
- Laterally unsupported 2 x 6 non-bearing wall (in a building with one floor, roof & ceiling): 20 feet height, 24-inch spacing
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Description
Test your knowledge of live loads as specified in Chapter 3 of the International Residential Code (IRC). This quiz covers various scenarios, including sleeping rooms, decks, and attic spaces. Ideal for students and professionals in construction and building safety.
