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Re: Some TJI notching allowed, per Weyerhauser
Note that it states: (red and blue are mine, bold is theirs)
This table does not apply to notches cut across the top flange, notches cut near an intermediate support of a multi-span joist, or multiple notches in a single joist span.
The drawing should show an "or" on the drawing to designate that the notch may be within 3 feet of one end "or" within 3 feet of the other end, but "not both ends" - this is covered in the part in red.
Also note that the last part in red "single joist span" really means "single joist", single span or multiple span - this is covered in the part in blue.
That all means "one joist - one notch" - see chart for other limitations.
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