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uniform plumbing code

Underground Grease Trap Installation: Excavation and Placement

Construction site with excavation for grease trap, dramatic lighting and fog.

Underground grease trap installation fails inspection in 60% of cases because contractors skip excavation permits and guess at setback requirements. The most expensive mistakes happen before you dig. Key Takeaways: Excavation permits must be filed 72 hours before digging starts, no exceptions in most jurisdictions Inlet elevation must be 2-4 inches higher than outlet elevation … Read more

3-Compartment Sink Grease Trap Installation: Plumbing and Code

3-compartment sink with grease trap installation, detailed plumbing setup.

3 compartment sink grease trap installation fails most inspections because contractors ignore the Uniform Plumbing Code’s strict elevation and distance requirements. This creates expensive rework and delayed restaurant openings. Commercial grease trap systems need precise plumbing configuration to meet FOG regulations. Key Takeaways: Grease traps must sit at least 4 feet from 3-compartment sink fixtures … Read more

Grease Trap Calculator: GPM Sizing Formulas Explained

Kitchen fixtures with water flow and a grease interceptor, cinematic style.

Most restaurants fail health inspections because they guessed at commercial grease trap sizing instead of using a grease trap calculator to determine exact GPM requirements. Getting this wrong costs thousands in replacement equipment and delayed permits. Key Takeaways: • The Uniform Plumbing Code requires grease interceptors sized at 2x peak GPM flow rate from connected … Read more