It is my understanding that the chords cannot be modified for this type of floor joist. What about the web?
I found the answer:
It depends on many variables but, with the two notches in the one span, I think not:
http://www.ilevel.com/literature/TB-806.pdf
and…
http://www.ilevel.com/literature/TJ-4000.pdf (page 11, etc.)
**[FONT=MyriadDomtar2002-Bold]Cutting the Holes
[/FONT][FONT=MyriadDomtar2002-Bold][size=5][FONT=MyriadDomtar2002-Bold][size=5]• **[/size][/FONT][/size][/FONT][FONT=StoneSerif][size=1]Never drill, cut or notch the flange, or over-cut the web.[/size][/FONT]
[FONT=StoneSerif][size=1][/size][/FONT]
[FONT=StoneSerif][size=1]
[/size][/FONT]