Floor Trusses

STANDARD LOAD
TOP   CHORD           LIVE LOAD   40#PSF
TOP CHORD             DEAD LOAD 10#PSF
BOTTOM CHORD     LIVE LOAD    0#PSF
BOTTOM CHORD     DEAD LOAD  5#PSF
SPAN   CHART
MAXIMUM SPAN WITH DUCT IN CENTER OF TRUSS
DEPTH 12″OC 16″OC 19.2″OC 24″OC
14″ 23’4″ 23’4″ 23’3″ 20’9″
16″ 26’8″ 26’8″ 25’0″ 22’4″
18″ 30′ 29’3″ 26’8″ 23’9″
20″ 33’4″ 32′ 28’3″ 25’2″
22″ 36’8″ 32’7″ 29’8″ 26’6″
24″ 39’6″ 34’2″ 31’1″ 27’9″
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