Jul. 801, U. S. Dept. of Agriculture. 



PLATE XXVIII. 



Fig. I. — ^The Platfobms Set Off From the Building in Order to Make 

 More Effective the Fire Break Formed by the Wall Extension. 



Note that the roof overhanging is drawn in on each side of the fire wall. 



Fig. 2. — A Semi-Slow-Burning Warehouse Built Against a Railway 



Fill. 



