. Our farm and building book. . ns in each of the the skill required to frame longbarn timbers on the mortise and tennonplan is expensive. On the other hand,it is easy to put the different plankstogether properly to make a very rigidstructure. With one or two skilled carpenterson a job of this kind, the others maybe handy men to work under instruc-tions. Another advantage is the opencenter that may be secured by the plankframe system of bracing Very oftenthe mowing capacity is almost the fullsize of the upper structure, because thebraces take up very little space A welldesigned pla
. Our farm and building book. . ns in each of the the skill required to frame longbarn timbers on the mortise and tennonplan is expensive. On the other hand,it is easy to put the different plankstogether properly to make a very rigidstructure. With one or two skilled carpenterson a job of this kind, the others maybe handy men to work under instruc-tions. Another advantage is the opencenter that may be secured by the plankframe system of bracing Very oftenthe mowing capacity is almost the fullsize of the upper structure, because thebraces take up very little space A welldesigned plank frame roof is perfectlystrong and rigid without any cross brac-ing whatever; so that a horse fork hasa clear sweep from one end of the barnto the other, without obstruction. Most farmers like to have a concretefoundation under a valuable barn; andin that respect, of course, a plank framedesign does not differ from a heavytimber frame. For girders, it is customary to spiketogether enough planks to make them 5 -tfuPURUN PLATES. Detail of inside bent in self-support-ing plank frame construction. the necessary size and strength. In thisconstruction, the man works from thebottom up, in the most natural and joists are put in place andthe floor is laid. Sometimes a tempo-rary floor of loose boards is laid downfirst; but that is optional with thebuilders. A derrick consisting of two poles, ar-ranged like a hay-fork hoist, is veryconvenient for lifting planks and work-ing them into place, on the same prin-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthousepl, bookyear1915
