CHAPTER IV 

 SEWAGE DISPOSAL 



SEWER SYSTEM 



ALL rooms in the creamery, except the coal room and the re- 

 frigerator, should be connected with the sewer. Water from 

 wash sinks should be conducted through a pipe directly into 

 the sewer, a trap being placed under the sink. Some creameries 

 have an open drain or gutter in the workroom, with the floor 



FIG. 5. A sewer system that is readily cleaned. 



sloping gently toward a trap through which the water runs into 

 a closed tile or sewer system. 



If tile is used in constructing the drainage system, it should 

 be glazed. The tile should have a diameter of from 6 to 8 inches, 

 and should be so laid that it may be cleaned with a wire or iron 

 rod, if necessary. The sewer system in a large building should 

 be constructed to clean readily by sections without requiring 



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