Fireproof construction : for houses and other buildings of moderate cost (1911)
National Fire Proofing Company, Pittsburgh · Pittsburgh : National Fire Proofing Co. · leaf 89
method of carrying the woodenjoists on the roof plate and bolting them to the roof timbers. The anchor bolt should be about 30 inches long and spaced about 5 foot center to center. Thereshould be a plate or hook at the lower end, the entire length of which should be embedded in cementmortar. Joists… … The above cut shows the method of running pipes in Natco Hollow Tile walls. By breakinginto one cell of the block, the steam pipes, electric conduits, and vent pipes can be concealed there,covered with mineral wool, or concrete, and metal lath on the inside face of the block. Owing totheir large…
Hollow tiles · Building, Fireproof
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