3 1 2 x 18 July 8, 2019 16 32 64 128 3 1 2 x 18 lvl 3 1 2 x 18 psl 3 1 2 x 18 joist hanger 1 2 3 x 180 3 2x 1 x 18 9 x 1 )+ 3 x 2 )- 18 0 1 3 1 2x 9 )= 1 2 x 18 3 2 x )= 18x 1 9 x 1 3 x 2 18 3 2x * 2 x 1 18 3 2x 3 )+ 2 x 1 )= 3x 18 (- 1 3 2 x 18 /- 4 3 1 2 x 18 x 18 concrete footing block 3 1 2x )-( x 18 )= 7 3 x 1 2 18 0
