Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 195
ig. 103,Chapter II. The spans givenare center to center of sidebearings, and are 4 to 5 feetless than the outside widthof building. The assumed loads wereas follows : For trusses, dead weightof roof and covering=25lbs. per sq. ft. of slopingsurface. For purlins, dead weightof roof and… … Five main trusses, 24 feet apart,feet. Height to ridge, 40 feet. Pitch, 330. Height to eaves, 16 Quantities. Lbs. 5 trusses 67,000 42 purlins 28 000 12 purlins 7,500 Bracing 6.100 5 ties 2,900 10 shoes 4,500 Total 116.000 This weight is equivalent to 8.7 lbs. per square foot of sloping roof…
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