(A) Grease removal device required.
(1) The owner of every commercial or industrial facility with one or more grease generating activities shall install or cause to be installed a grease removal device for each grease generating activity, of a size equal to or greater than the minimum size set forth in the following table based on the number of Drain Fixture Units (DFU).
Sizing Criteria: | |
DFUs | GCD Volume (gallons) |
Sizing Criteria: | |
DFUs | GCD Volume (gallons) |
8 | Minimum 750 |
21 | 750 |
35 | 1,000 |
90 | 1,250 |
172 | 1,500 |
216 | 2,000 |
Drain Fixture | DFU Number |
Drain Fixture | DFU Number |
Pre-Rinse Sink | 4 |
3 Compartment Sink | 3 |
2 Compartment Sink | 3 |
Mop Basin | 3 |
Prep Sink | 3 |
Floor Drain | 2 |
Floor Sink | 2 |
(2) All grease removal device(s) shall be installed on the premises where FOG is used or generated.
(3) Installation of any food waste disposer (grinder) at any FSF is prohibited.
(4) No FSE shall utilize a food waste disposer (grinder) for the purpose of food waste disposal to the sanitary sewer.
(5) All grease generating drainage fixtures shall connect to a GRD, including but not limited to, pre-rinse sinks, three compartment sinks, two compartment sinks, mop or janitor sinks, food preparation sinks, floor drains in dishwashing areas and kitchens, etc. All drainage fixtures in dishwashing room, except for dishwashers, shall connect to a GRD; i.e. small drains prior to entering a dishwasher, small drains on busing counters adjacent to pre-wash sinks, silverware soaking sinks, and floor drains. All wok stoves, rotisserie ovens/broilers or other grease generating cooking equipment and exhaust hoods with drip wastewater lines shall connect to a GRD. All kettles and tilt/braising pans and associated floor drains/sinks shall connect to a GRD.
(6) No high temperature kitchen equipment discharges shall be allowed to connect through any type of GRD. Discharge of wastewater from dishwashers, pasta cookers, other hot lines and non-grease generating fixtures to any GRD is prohibited unless authorized by the City.
(7) FSEs shall have a sink or other areas for cleaning floor mats, containers, exhaust hood filters and equipment, which is connected to a GRD. The sink or cleaning area shall be large enough to clean the largest mate or piece of equipment to be cleaned.
(8) All in-ground GRDS greater than 750 gallons in capacity shall have a minimum of three manholes to allow visibility over each inlet piping, baffle piping and outlet piping to ensure accessibility for inspection, cleaning, and removal of all contents. Two manholes may be allowed under certain conditions only upon approval of the City. Nothing shall be allowed to be stored on top of any manholes.
(9) GRDS shall be installed in a suitable location that will allow access for inspection, cleaning and maintenance.
(10) Laterals installed between a FSE and GRD, also between the GRD and the City’s main, shall include installation of two-way cleanouts as required to allow access points for sewer line maintenance and inspection.
(Ord. 4620, passed 10-28-13)