For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
CONDITIONAL USE PERMIT.
A permit granted by the Public Works Director to allow the use of alternate measures other than a traditional grease interceptor for the purpose of preventing the introduction of fats, oils, and greases into the town sewer collection system. Such are allowed only when the user demonstrates a bona fide logistical hardship to installing an outside grease interceptor.
48 White Lake - Public Works
COOKING ESTABLISHMENTS.
Those establishments primarily engaged in activities of preparing, serving, or otherwise making available for consumption foodstuffs and which use one or more of the following preparation activities: cooking by frying (all methods), baking (all methods), grilling, sautéing, rotisserie cooking, broiling, blanching, roasting, toasting, or poaching. Also included are infrared heating, searing, barbecuing, and any other food preparation activity that produces a hot, non-drinkable food product in or on a receptacle that requires washing.
FATS, OILS, AND GREASES.
Organic polar compounds derived from animal and/or plant sources that contain multiple carbon chain triglyceride molecules. These substances are detectable and measurable using analytical test procedures established in 40 C.F.R. pt. 136, as may be amended from time to time. All are sometimes referred to herein as
GREASE
or
GREASES
.
GREASE TRAP OR INTERCEPTOR.
A device for separating and retaining waterborne greases and grease complexes prior to the wastewater exiting the trap and entering the sanitary sewer collection treatment system. These devices also serve to collect solids, generated by and from food preparation activities, prior to the water exiting the trap and entering the sanitary sewer collection and treatment system.
GREASE TRAPS
and
INTERCEPTORS
are sometimes referred to as
GREASE INTERCEPTORS.
INSIDE INTERCEPTOR.
A device installed inside an establishment to separate and retain waterborne greases and grease complexes prior to entering the sanitary sewer collection system. Such are allowed by conditional use permit only.
MEALS SERVED PROCEDURE FORMULA.
(# of meals) x (4.5) x kitchen loading-KL = trap volume (gal).
Kitchen Loading | KL |
Food grinder and dishwasher | 2.50 |
Without food grinder | 2.00 |
Without dishwasher | 1.50 |
Without food grinder and DW | 1.00 |
Example: 200 meals/day facility with food grinder and dishwasher, 200x(4.5)x2.5=2,250 gal interceptor.
MINIMUM DESIGN CAPABILITY. The design features of a grease interceptor and its ability or volume required to effectively intercept and retain greases from grease-laden wastewater discharged to the sanitary sewer.
NON-COOKING ESTABLISHMENTS. Those establishments primarily engaged in the preparation of precooked foodstuffs that do not include any form of cooking. These include cold dairy and frozen foodstuff preparation and serving establishments.
SEATING CAPACITY PROCEDURE FORMULA. (# of seats) x (storage factor-SF) x ½ # of hours open = trap volume (gal).
Storage Factor | SF |
0-8 hours/day | 1 |
8-16 hours/day | 2 |
16-24 hours/day | 3 |
Example: 50-seat restaurant open 12 hours/day (50)x(12)x1/2 = 600 gal interceptor –750 gal min.
USER. Any person, including those located outside the jurisdictional limits of the town, who contributes, causes, or permits the contribution or discharge of wastewater into the POTW, including persons who contribute such wastewater from mobile sources, such as those who discharge hauled wastewater.
(Ord. passed 1-11-2005)