To size a grease trap, you would use?

Determining the appropriate size of a grease trap is primarily based on the volume of water that will flow through it. Since grease traps are designed to capture fats, oils, and greases (FOGs) from kitchen wastewater, calculating the volume of the sinks connected to the grease trap helps to estimate the amount of wastewater that needs to be treated.

By assessing the volume of the sink, which correlates with the expected usage, you can gauge how much grease and solid waste might be introduced into the system. This measurement ensures that the grease trap can adequately manage the load, helping to prevent backups and ensuring smooth operation within the plumbing system.

While factors such as the area of the kitchen, the type of food served, and the number of employees may influence grease production, they do not provide a direct measurement of the fluid volume that the grease trap must handle. Focusing on the sink volume allows for a more precise and effective sizing of the grease trap to meet the anticipated needs of the kitchen operations.