==Floor Joists====Floor Joists====Floor Joists====Floor Joists==

*** 30psf Live Load, Douglass Fir/Larch #2 Fb=1450 E=1.7mil.psi
    (Deflection = 1/360)
o.c.       
Spacing      2x6       2x8       2x10      2x12
12"	    12' 0"    15'10"    20' 3"    24' 8"
16"         10'11"    14' 5"    18' 5"    22' 5"
24"          9' 7"    12' 7"    16' 1"    19' 7"

*** 40psf Live Load, Southern-Yellow Pine, #2 Fb=1500 E=1.6mil.psi
    (Deflection = 1/360)
o.c.       
Spacing      2x6       2x8       2x10      2x12
12"	    10' 9"    14' 2"    18' 0"    21'11"
16"          9' 9"    12'10"    16' 5"    19'11"
24"          8' 6"    11' 3"    14' 4"    17' 5"


***2x4 Truss: Max Available Span (24"o.c deflection=1/360) 
           55psf, 40#ll, 20#dl, 5#cl.
Bearing                ------------Depth--------------
                  12"     14"    16"    18"    20"   22"    24"
Top Chord        21'4    24'0   26'1   27'10  29'6  31'1   32'6
Bott Chord       21'4    24'0   26'1   27'10  29'6  31'1   32'6


*** Engineered I-Joists GPI 60-series, Deflection = 1/480
o.c.           -----------joist depth--------------------
spacing        9 3/4       11 7/8        14           16
12"            19' 0"      22' 0"        25' 9"       28' 7"
16"            17' 4"      20' 8"        23' 6"       25' 9"
24"            15' 1"      17' 5"        19' 4"       19'10"
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