Under Oregon building codes, what is the maximum allowable spacing for floor joists when using 2x10 Douglas Fir lumber in residential construction with a 12-foot span?
Correct Answer
D) 16 inches on center
For a 12-foot span using 2x10 Douglas Fir joists in residential construction, the maximum spacing is 16 inches on center per Oregon building code span tables.
Why This Is the Correct Answer
For a 12-foot span using 2x10 Douglas Fir joists in residential construction, the maximum spacing is 16 inches on center per Oregon building code span tables.
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A contractor is renovating a 1972 Oregon duplex and will disturb 45 square feet of painted trim. Which statement about lead-safe work practices is correct?
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A construction worker is injured on a job site in Oregon. The contractor has valid workers' compensation insurance. What percentage of the worker's average weekly wage will they typically receive in temporary disability benefits?