Problem 5 ... Blow by Blow

 ... here is the blow-by-blow solution to Problem 5.  If you played with the span calculator you might have found that 2 x 10 joists work ... until you count their weight!  Then you kick up to 2 x 12.  Also, the 2 x 8 and the 2 x 10 and the 2 x 12 all have different Size factors ... and the 2 x 8 has a different Wet Service factor since the Size factor kicks it above the FbCF = 1150 psi thing.

Continued on next post ...