KANCHE91 i i: 



disposing of the ordinary refuse of the houses, the 

 department is charged with the collection and dis- 

 posal of oightsoil. 



For the disposition of the refuse of different kinds 

 two chief depots have been established. Each receives 

 alimit one-half of the refuse of the city, one in addition, 

 however, taking all the market garbage, fish, meat 

 and offal from the slaughter-houses. The two depots 

 deal together with the excreta from (>.">,( XX) pail closets 

 and the contents of about 20,000 privies and middens 

 and 80,000 refuse bins. 



The ordinary house refuse is collected in the large 

 clumsy, high, heavy one-horse tip carts common through 

 England. As the carts enter the works, they 



Collection 



pass, in turn, to a hopper on a level with of House 

 the floor. Through this hopper the paper, 

 ashes, and garbage of which the refuse is composed fall 

 into a long, inclined screen. Here the combustible 

 portion is separated from the fine ashes and dust and 

 burned under boilers. These boilers supply all the 

 steam required for power and other purposes about the 

 works. The burnt refuse is cooled and ground and used 

 with lime to form a mortar which sells for about $1.00 

 per long ton at the works. 



The excreta are collected in pails of galvanized iron, 

 fitted with lids and closed hermetically by means of 

 rubber washers. Upon reaching the works 



Collection and 



the pails are emptied into a double hopper utilization of 

 and immediately cleaned out and disinfected 

 with a mixture of carbolic acid and fine ashes which 

 have been separated from the household refuse. The 

 excreta which have been emptied into the hopper pass 

 to the floor below where a revolving screen separates 



87 



r 



