What code standards does the Grease Trap & Interceptor calculator use?

It references PDI-G101 · UPC Table 1014.3.6 · EPA meals for preliminary planning. Final sizing requires local AHJ and licensed professional approval.

Are these calculations a substitute for engineered drawings?

No. KitchenCodeCalc provides preliminary planning estimates only. Final design must be approved by the local Authority Having Jurisdiction and licensed MEP or trade professionals.

How do metro sponsor seats work on calculator results?

Each metro has one exclusive sponsor per trade. When you select a metro, the open or held sponsor seat for that trade appears on the results and printable spec sheet.

PDI-G101 · UPC Table 1014.3.6 · EPA meals

Commercial Grease Trap & Gravity Interceptor Sizing Calculator

Size hydromechanical GPM traps (PDI-G101) and gravity interceptors by connected DFUs (UPC Table 1014.3.6) with an EPA meals cross-check. Printable MEP summary included. Preliminary planning only.

Inputs

Hydromechanical trap — PDI-G101 fixture method

Compartments / bowls

Drain period

Each bowl L (in)

Each bowl W (in)

Each bowl D (in)

Volume × 0.75 fill factor per PDI-G101

Dishwasher (GPM)

Pre-rinse (GPM)

Mop sink (GPM)

Floor drains / floor sinks (GPM)

Gravity interceptor — UPC Table 1014.3.6

Connected kitchen DFUs — UPC Table 1014.3.6

e.g., 3-comp sink=3, dishwasher=4, pre-rinse/prep=2, floor sink=2 DFU — use your local fixture-unit table

EPA meals cross-check

Seats

Peak meals / hour

If blank/0, uses seats × 1.5

Waste flow (gal / meal)

Typical 5 without dishwasher, 6 with

Retention time (hrs) — EPA meals method

Storage factor

EPA guide: ~1.0 for 8-hr operation, 2.0 for 16-hr, 3.0 for 24-hr; 1.5 single-service — confirm locally

Metro area

Results

Enter inputs to calculate.

Code basis: PDI-G101 · UPC Table 1014.3.6 · EPA meals. Values are planning estimates — confirm with manufacturer listings, local FOG/mechanical amendments, and your AHJ.