COMMISSION OF IMMIGRATION AND HOUSING. 



19 



Concrete Type. 

 24 cubic feet excavation. 

 128 cubic feet concrete. 

 120 pounds reinforcing steel. 

 800 fire brick. 

 1,800 pounds grate bars or old rails. 



Platform Material. 



4 pieces 4" x 4" 7' redwood posts. 



2 pieces 4" x 4" 6' redwood girders. 

 115 lineal leet 2" x 6" Oregon pine joists and braces. 

 30 lineal feet 2" x 12" Oregon pine plank floor. 

 20 lineal feet 2" x 12" redwood stair .stringers. 

 30 lineal feet 2" x 12" redwood stair treads. 

 44 lineal feet 2" x 4" Oregon pine braces and supports. 



9 lineal feet 2" x 3" Oregon pine, s. 4 s., hand rail. 



4 |" x 5" bolts. 

 10 pounds 20d nails. 



The estimated cost of this incinerator as shown in Figure 14 is as 

 follows : 



Figure 15 shows a stack type incinerator for a camp of 150 people. 

 The pan shown is 8 inches in depth and is used to evaporate liquid 

 slops, while the solid garbage is placed on top of the fuel. By treating 

 the liquid thus separately, a great deal of fuel is saved. 



Bill of material is as follows: 



Brick Type. 

 144 fire brick. 

 330 common brick. 

 20 cubic feet excavation. 

 225 pounds of old rail or grate bars. 

 22 square feet No. 24 galvanized iron for stack. 



Concrete Type. 

 20 cubic feet concrete. 

 144 fire brick. 



20 cubic feet excavation. 



225 pounds old rails or grate bars. 



22 square feet No. 24 galvanized iron for stack. 



1 piece wrought iron plate, 26 x 26 inches. 



21 square feet sheet metal for pan. 



