30 SEWER DESIGN 



purposes of drainage where no sewage or wastes are allowed to enter them. 

 If any sewage or other waste matter or products are discharged into such 

 drains, they come under the definition and classification of sewers, for 

 which the approval of the Department, and a permit therefrom, must 

 be secured in accordance with the Public Health Law and the above 

 regulations. 



