The methods of the drainage fixture units and the regular flow rate of drain are used in order to determine the required size of building drainage pipe. The method of the regular flow rate of drain is able to obtain the flow rate and pipe size. The ob...
The methods of the drainage fixture units and the regular flow rate of drain are used in order to determine the required size of building drainage pipe. The method of the regular flow rate of drain is able to obtain the flow rate and pipe size. The objective of this study is to compare the characteristics of two methods in the various building.