(A) All pretreatment devices shall be maintained in efficient operating condition at all times by periodic removal of the full contents of such devices, which includes wastewater, accumulated FOG, floating materials, sludge and solids. The maintenance frequency shall be adequate to comply with the design capacity of the pretreatment device. In maintaining the pretreatment device, the owner shall be responsible for the proper removal and disposal, by appropriate means, of the captured material and shall maintain records of the dates, amounts and means of disposal, all of which is subject to review by the Director.
(B) Grease interceptors shall be fully pumped out and cleaned at a frequency such that the combined FOG and solids accumulation does not exceed 25% of the total hydraulic capacity of the grease interceptor calculated by volume or depth, whichever is more stringent. At the minimum, all grease interceptors shall be maintained not less than once every six months. Grease interceptors shall be fully pumped out and cleaned quarterly when the maintenance frequency has not been established. The Director may change the maintenance frequency at any time to reflect changes in actual operating conditions in accordance with the requirements of this chapter. If the grease interceptor, at any time, contains FOG and solids accumulation that does not meet the requirements of this chapter, the food service establishment shall be required to have the grease interceptor serviced immediately such that all fats, oils, grease, sludge, and other materials are completely removed from the grease interceptor.
(C) Additives that reduce FOG, such as bacteria, may be used in addition to the regular maintenance program for grease interceptors, but shall not impinge on grease interceptor sizing or maintenance frequency. The use of additives is subject to approval by the Director. The introduction of emulsifying agents, such as chemicals or solvents, either directly or indirectly into the grease interceptor, other than what is considered typical business operational practices such as dishwashing or sanitation, is strictly prohibited.
(D) Wastewater, accumulated FOG, floating materials, sludge solids, and other waste materials removed from the grease interceptor shall be properly disposed off site by waste haulers in accordance with federal, state and local laws. All pumping of grease pretreatment facilities and tallow bin hauling by private contractors must be tracked by a manifest to confirm the pumping and hauling of waste. Food service establishments are required to obtain and maintain a copy of the waste hauler’s documentation which must include:
(1) The name and address of the hauling company;
(2) The name and signature of operator performing the pump out;
(3) Documentation of full pump out with volume of water and FOG removed (e.g., 1,500 gallons);
(4) Documentation of the level of floating FOG and settable solids;
(5) Documentation of any repairs to the grease interceptor; and
(6) Identification of the facility where the waste hauler is planning to dispose of the waste.
(Ord. 605-C.S., passed 10-1-13)