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www.SSMA.com50 Copyright © 2022 by the SSMA <br />10 psf Dead Load and 50 psf Live Load <br />Section Fy (ksi) <br />L/360 Live Load Deflection L/480 Live Load Deflection <br />Single Span Double Span Single Span Double Span <br />Spacing (in) on center Spacing (in) on center Spacing (in) on center Spacing (in) on center <br />12 16 24 12 16 24 12 16 24 12 16 24 <br />1200S162-54 50 22' 10"e 19' 9"e 16' 1"e 22' 5"e 18' 9"e 14' 2"e 21' 4"e 19' 4"e 16' 1"e 22' 5"e 18' 9"e 14' 2"e <br />1200S200-54 50 24' 4"e 21' 4"e 17' 5"e 23' 2"e 19' 3"e 14' 6"e 22' 3"e 20' 2"e 17' 5"e 23' 2"e 19' 3"e 14' 6"e <br />1200S250-54 50 25' 4"e 22' 1"e 18' 0"e 23' 5"e 19' 6"e 14' 8"e 23' 1"e 21' 0"e 18' 0"e 23' 5"e 19' 6"e 14' 8"e <br />1200S162-68 50 25' 6" 23' 1" 19' 2" 27' 1" 23' 6" 19' 2" 23' 3" 21' 1" 18' 4" 25' 11" 23' 6" 19' 2" <br />1200S200-68 50 26' 6" 24' 1" 20' 7"e 29' 2" 25' 3" 20' 4" 24' 2" 21' 11" 19' 1" 27' 1" 24' 6" 20' 4" <br />1200S250-68 50 27' 7" 25' 0" 21' 3"e 30' 1" 25' 9" 20' 5" 25' 2" 22' 10" 19' 10" 28' 1" 25' 6" 20' 5" <br />1200S162-97 50 28' 8" 26' 1" 22' 9" 32' 2" 29' 3" 24' 10" 26' 1" 23' 8" 20' 8" 29' 3" 26' 7" 23' 3" <br />1200S200-97 50 29' 10" 27' 1" 23' 8" 33' 6" 30' 5" 26' 7" 27' 1" 24' 8" 21' 6" 30' 5" 27' 8" 24' 2" <br />1200S250-97 50 31' 0" 28' 2" 24' 7" 34' 9" 31' 7" 27' 5" 28' 2" 25' 7" 22' 4" 31' 7" 28' 9" 25' 1" <br />1200S162-118 50 30' 5" 27' 7" 24' 2" 34' 2" 31' 0" 27' 1" 27' 7" 25' 1" 21' 11" 31' 0" 28' 2" 24' 7" <br />1200S200-118 50 31' 8" 28' 9" 25' 2" 35' 7" 32' 4" 28' 3" 28' 9" 26' 2" 22' 10" 32' 4" 29' 4" 25' 8" <br />1200S250-118 50 32' 11" 29' 11" 26' 1" 36' 11" 33' 7" 29' 4" 29' 11" 27' 2" 23' 9" 33' 7" 30' 6" 26' 8" <br />1200S300-118 50 34' 0" 30' 11" 27' 0" 38' 3" 34' 9" 30' 4" 30' 11" 28' 1" 24' 7" 34' 9" 31' 7" 27' 7" <br />1200S350-118 50 35' 8" 32' 5" 28' 4" 40' 1" 36' 5" 31' 10" 32' 5" 29' 5" 25' 9" 36' 5" 33' 1" 28' 11" <br />1400S162-54 50 24' 1"e 20' 10"e 17' 0"e 22' 9"e 18' 7"e 13' 8"e 24' 0"e 20' 10"e 17' 0"e 22' 9"e 18' 7"e 13' 8"e <br />1400S200-54 50 26' 2"e 22' 8"e 18' 6"e 23' 4"e 19' 0"e 13' 10"e 25' 0"e 22' 8"e 18' 6"e 23' 4"e 19' 0"e 13' 10"e <br />1400S250-54 50 27' 2"e 23' 7"e 19' 3"e 23' 7"e 19' 2"e 13' 11"e 25' 11"e 23' 6"e 19' 3"e 23' 7"e 19' 2"e 13' 11"e <br />1400S300-54 50 27' 10"e 24' 1"e 19' 7"e 23' 9"e 19' 3"e 14' 0"e 26' 9"e 24' 1"e 19' 7"e 23' 9"e 19' 3"e 14' 0"e <br />1400S350-54 50 31' 2"e 27' 1"e 19' 7"e 25' 3"e 20' 3"e 14' 6"e 28' 7"e 25' 11"e 19' 7"e 25' 3"e 20' 3"e 14' 6"e <br />1400S162-68 50 28' 8" 24' 11" 20' 4"e 28' 9" 24' 11" 20' 1" 26' 3" 23' 9" 20' 4"e 28' 9" 24' 11" 20' 1" <br />1400S200-68 50 29' 11" 26' 11" 22' 0"e 31' 1" 26' 10" 20' 11" 27' 3" 24' 9" 21' 6"e 30' 5" 26' 10" 20' 11" <br />1400S250-68 50 31' 0" 27' 11" 22' 10"e 31' 11" 27' 0" 21' 0" 28' 4" 25' 8" 22' 4"e 31' 7" 27' 0" 21' 0" <br />1400S300-68 50 32' 0" 28' 7" 23' 4"e 32' 4" 27' 3" 21' 3" 29' 3" 26' 6" 23' 0"e 32' 4" 27' 3" 21' 3" <br />1400S350-68 50 33' 11" 30' 10"e 26' 1"e 35' 11" 30' 1" 23' 1" 30' 10" 28' 0" 24' 6"e 34' 7" 30' 1" 23' 1" <br />1400S162-97 50 32' 9" 29' 8" 25' 10" 36' 7" 32' 8" 26' 8" 29' 9" 27' 0" 23' 7" 33' 4" 30' 3" 26' 4" <br />1400S200-97 50 34' 0" 30' 10" 26' 10" 38' 0" 34' 6" 28' 7" 30' 10" 28' 1" 24' 6" 34' 8" 31' 5" 27' 5" <br />1400S250-97 50 35' 2" 31' 11" 27' 10" 39' 5" 35' 9" 29' 7" 31' 11" 29' 0" 25' 4" 35' 11" 32' 7" 28' 5" <br />1400S300-97 50 36' 3" 33' 0" 28' 9" 40' 8" 36' 11" 30' 4" 33' 0" 29' 11" 26' 2" 37' 0" 33' 8" 29' 4" <br />1400S350-97 50 37' 11" 34' 6" 30' 1" 42' 7" 38' 8" 33' 5" 34' 6" 31' 4" 27' 4" 38' 8" 35' 2" 30' 9" <br />1400S162-118 50 34' 9" 31' 7" 27' 7" 39' 0" 35' 5" 30' 11" 31' 7" 28' 8" 25' 1" 35' 5" 32' 2" 28' 1" <br />1400S200-118 50 36' 1" 32' 9" 28' 8" 40' 6" 36' 10" 32' 2" 32' 9" 29' 9" 26' 0" 36' 10" 33' 5" 29' 2" <br />1400S250-118 50 37' 4" 33' 11" 29' 8" 41' 11" 38' 1" 33' 4" 33' 11" 30' 10" 26' 11" 38' 1" 34' 8" 30' 3" <br />1400S300-118 50 38' 7" 35' 1" 30' 7" 43' 4" 39' 4" 34' 4" 35' 1" 31' 10" 27' 10" 39' 4" 35' 9" 31' 3" <br />1400S350-118 50 40' 4" 36' 8" 32' 0" 45' 4" 41' 2" 36' 0" 36' 8" 33' 4" 29' 1" 41' 2" 37' 5" 32' 8" <br />1600S162-68 50 30' 2"e 26' 1"e 21' 4"e 30' 2"e 26' 1"e 20' 3"e 29' 1"e 26' 1"e 21' 4"e 30' 2"e 26' 1"e 20' 3"e <br />1600S200-68 50 32' 8"e 28' 4"e 23' 2"e 32' 8"e 27' 5"e 20' 11"e 30' 3"e 27' 5"e 23' 2"e 32' 8"e 27' 5"e 20' 11"e <br />1600S250-68 50 34' 1"e 29' 6"e 24' 1"e 33' 0"e 27' 7"e 21' 0"e 31' 4"e 28' 5"e 24' 1"e 33' 0"e 27' 7"e 21' 0"e <br />1600S300-68 50 35' 1"e 30' 4"e 24' 9"e 33' 4"e 27' 10"e 21' 2"e 32' 4"e 29' 4"e 24' 9"e 33' 4"e 27' 10"e 21' 2"e <br />1600S350-68 50 37' 1"e 33' 8"e 27' 9"e 36' 1"e 29' 10"e 22' 5"e 33' 10"e 30' 8"e 26' 9"e 36' 1"e 29' 10"e 22' 5"e <br />1600S162-97 50 36' 6" 33' 1" 28' 2" 39' 10" 34' 6" 28' 2" 33' 4" 30' 3" 26' 4" 37' 2" 33' 8" 28' 2" <br />1600S200-97 50 37' 10" 34' 4" 29' 10" 42' 3" 37' 1" 30' 3" 34' 6" 31' 4" 27' 3" 38' 7" 35' 0" 30' 3" <br />1600S250-97 50 39' 2" 35' 6" 30' 11" 43' 9" 38' 7" 31' 6" 35' 8" 32' 5" 28' 2" 39' 11" 36' 2" 31' 6" <br />1600S300-97 50 40' 4" 36' 7" 31' 11" 45' 1" 39' 7" 32' 4" 36' 9" 33' 4" 29' 1" 41' 2" 37' 4" 32' 4" <br />1600S350-97 50 42' 2" 38' 3" 33' 4" 47' 2" 42' 9" 35' 5" 38' 5" 34' 10" 30' 5" 43' 0" 39' 0" 34' 0" <br />1600S162-118 50 39' 0" 35' 6" 30' 11" 43' 9" 39' 8" 32' 10" 35' 6" 32' 3" 28' 2" 39' 10" 36' 2" 31' 7" <br />1600S200-118 50 40' 5" 36' 9" 32' 1" 45' 5" 41' 2" 35' 1" 36' 9" 33' 4" 29' 2" 41' 3" 37' 6" 32' 9" <br />1600S250-118 50 41' 9" 37' 11" 33' 2" 46' 11" 42' 7" 36' 6" 37' 11" 34' 6" 30' 2" 42' 7" 38' 9" 33' 10" <br />1600S300-118 50 43' 1" 39' 1" 34' 2" 48' 4" 43' 11" 37' 6" 39' 1" 35' 6" 31' 0" 43' 11" 39' 11" 34' 10" <br />1600S350-118 50 44' 11" 40' 10" 35' 8" 50' 6" 45' 10" 40' 0" 40' 10" 37' 1" 32' 5" 45' 10" 41' 8" 36' 5" <br />"e" web stiffeners required at ends. <br />Web stiffeners required at interior supports for double span conditions. <br />See Table Notes on page 42. <br />Floor Joist Spans