Calculate Grease Trap Size

Actual sizing should be per chapter 10 of the Florida Building Code 2004 Plumbing (current edition).

Sizing Formula for Restaurants

Required
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Required
Required
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Required
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Required
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S = Number of Seats in dining area

GS = Gallons of waste per seat (use 25 gallons for restaurants with standard dishware and/or automatic dishwasher. Use 10 gallons for restaurants with paper or baskets and no dishwasher)

HR = Number of hours restaurant is open

LF = Loading Factor (use 2.00 interstate highway; 2.50 other freeways; 1.25 recreational area; 1.00 main highway; 0.75 other highway)

Other Establishments with Commercial Kitchens

Required
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Required
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Required
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M = Meals prepared per day

GM = Gallons of waste per meal (Use 5 gallons)

LF = Loading Factor (use 1.00 with dishwashing machine and 0.75 without dishwashing machine)

Note: For other than private sewage disposal systems, reduce gallons values by 25 percent.