Length of Saddle Maximum Allowable Distributed Load – lbs/ft kg/m Beam ‘L’
Beam L A = 6″ 150mm A =12″ 300mm A = 18″ 450mm A = 24″ 600mm
Feet mm lbs/ft kg/m lbs/ft kg/m lbs/ft kg/m lbs/ft kg/m
4’0″ 1219 3,300 4917 4,400 6556 6,630 9878 — —
5’0″ 1524 2,000 2980 2,500 3725 3,300 4910 5,800 8630
6’0″ 1828 1,475 2198 1,650 2459 1,900 2831 2,600 3868
7’0″ 2134 1,050 1565 1,150 1714 1,300 1937 1,600 2380
The limiting factor governing load figures in above table is flexural stress in all cases. Deflection is limited to L/270 of span.