PIPES FLOWING FULL 



PLATE V. 



.03 .03 .04 



.08 .10 .15 .20 .26 .30 .40 .50 .00 .70 .80.901.0 



GRADES IN PERCENT. 



DIAGRAM BASED ON KUTTER'S FORMULA FOR EGG-SHAPED 

 BRICK SEWERS. 



