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The purpose of this section shall be to aid in the prevention of sanitary sewer blockages and obstructions from contribution and accumulation of fat, oil, and grease (FOG) into the POTW.
Such discharges from commercial kitchens, restaurants, food processing facilities and all other establishments, where fat, oil, and grease of vegetable or animal origin are discharged directly or indirectly into the POTW, can contribute to line blockages and/or spills in violation of Title 40, Code of Federal Regulations 40 CFR, Part 403.
The definitions found in Section 100.01 shall apply to the provisions of this division, provided however that the following words, terms and phrases, when used in this division, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
1. “Best management practices” or “BMPs” means and includes schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to prevent or reduce the pollution of waters of the State. For purposes of this division, “best management practices” include procedures and practices that reduce the discharge of FOG to the building sewer, to the City sanitary sewer system and to the POTW.
2. “Design liquid depth” means the maximum depth of liquid when the tank is filled with water.
3. “Effective date” means the date set forth in Section 100.57 upon which the regulatory provisions of this division take place.
4. “Food Service Establishment” or “FSE” means an operation or enterprise that stores, prepares, packages, serves, vends, or otherwise provides food for human consumption. Such facilities may include, but are not limited to, those that process meat or other food ingredients as an intermediate step or for final human consumption, food service operations in a summer camp, residential substance abuse treatment facility, halfway house, correctional facility, school, restaurant, commercial kitchen, caterer, church, hotel, bars, hospital, prison, care institution or similar facility.
5. “Grease interceptor” means a tank that serves one or more fixtures and is remotely located. Grease interceptors include, but are not limited to, tanks that capture wastewater from dishwashers, garbage disposals, floor drains, pot and pan sinks and trenches as allowed by local plumbing codes. For purposes of this ordinance, a grease interceptor is a multi-compartment tank located underground outside of a building that reduces the amount of FOG in wastewater prior to its discharge into the POTW.
6. “Grease trap” means a device designed to retain grease from one to a maximum of four fixtures. Not all grease traps are approved by the manufacturer for use on heated water (e.g., dishwasher) or in-line to a waste disposal unit (e.g., garbage disposal and grinders). For purposes of this ordinance, a grease trap is a small device located within a building.
7. “Minimum design capability” means the design features of a grease interceptor and its ability or volume required to effectively intercept and retain greases from grease-laden wastewaters discharged to the POTW.
8. “Non-routine inspection” means an impromptu, unscheduled inspection of an FSE made without prior notification or arrangement.
9. “Routine inspection” means an inspection of an FSE which is scheduled in advance or according to a pre-arranged schedule.
10. “User” as used in this division has the same meaning as the definition in Section 100.01, but also includes persons who discharge wastewater to the POTW from mobile sources, such as mobile food vendors.
The owner of a building or facility in which as FSE is located, and the owner or operator of an FSE shall be required to install an approved grease interceptor, and to thereafter operate and maintain same as provided in this division.
The requirements of Section 100.58 shall not apply to that portion of a building or facility within which an FSE is in existence on the effective date if:
1. The FSE has an existing grease interceptor or grease trap in place as of the effective date and provided that (1) the owner or occupant of the FSE continues to use the interceptor or trap, (2) the interceptor or trap is of sufficient capacity and design, and (3) the interceptor or trap is operated and maintained so as to comply with FOG discharge limits; and
2. Any repair, remodeling or renovation of the wastewater plumbing system in the existing FSE involves only (1) the repair of leaks or the clearing of stoppages in drains, soil, waste or vent piping, or (2) the removal and reinstallation of a sink, toilet or hot water heater; provided that such work does not involve replacement, rearrangement or moving of wastewater pipes, floor sinks, drainage fixtures or grease traps; and
(Subsection 2 – Ord. 22-07 – Oct. 22 Supp.)
3. None of the following conditions are present:
A. A building or facility exists on the effective date and is thereafter expanded or renovated, or a portion thereof, to include an FSE where such FSE did not previously exist; or
B. An FSE exists on the effective date within a building or facility, or portion of a building or facility, and application is thereafter made for a building permit(s) for such building or facility with valuation of $50,000 or more within a twelve (12) month period; or
C. A building or facility, or portion thereof, that contained an FSE on the effective date but in which an FSE ceases to operate for one year or more, as determined by Iowa Department of Inspections & Appeals, Food and Consumer Safety Bureau records.
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