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operating depth of the trap. The operating depth of a trap is <br />determined by measuring the internal depth from the outlet water <br />elevation to the bottom of the trap. <br />F. Grease traps. Maintenance of grease traps shall be performed as frequently as <br />necessary to protect the sanitary sewer system against the accumulation of FOG. <br />Maintenance shall be performed as required by inspection and/or sampling or at <br />intervals specified in the permit, whichever is more frequent. Maintenance shall <br />be performed at minimum every 14 days. <br />G. Maintenance modifications. Food service facilities which operate infrequently or <br />only for special events may request a modification to the maintenance schedule <br />specified above. The Public Works Director may authorize a maintenance <br />frequency related to the operation of the food service facility. The property <br />owner shall submit a request for a modified maintenance schedule which <br />includes all details of operation for the director to review. <br />H. Disposal. The property owner shall be responsible for the proper removal and <br />disposal of the grease interceptor or trap waste. All waste removed from each <br />grease interceptor or trap must be disposed of properly at an appropriate facility <br />designed to receive grease interceptor or trap waste. No grease interceptor or trap <br />waste shall be discharged into any City sanitary or storm sewer system. <br />I. Maintenance log. The property owner shall be responsible for retaining records <br />of the maintenance of grease interceptors and traps including manifests, permits, <br />permit applications, correspondence, sampling data and any other documentation <br />that may be requested by the City. This log shall include the dates of service, <br />volume of waste removed, waste hauler, and disposal site of waste. These records <br />shall be kept on -site at the location of the grease interceptor or trap for a period <br />of three years and are subject to review by the City upon request without prior <br />notification. <br />J. Inspection. The City will perform periodic inspections of these facilities and shall <br />notify the property owner of any additional required maintenance or repairs. <br />Upon written notification by the City, the property owner shall be required to <br />perform the maintenance and records of said maintenance within 14 calendar <br />days. Upon inspection by the City the property owner may be required to install, <br />at their expense, additional controls to provide a complete system which prevents <br />discharges of FOG into the sanitary sewer system. <br />K. Exception from grease interceptor requirements. If the owner of any ESE or <br />FM/P or of any structure in which an ESE or FM/P is located or is to be located <br />demonstrates to the reasonable satisfaction of the Public Works Director that <br />installation of a grease interceptor is not feasible, the Public Works Director may <br />grant an exception allowing such owner to install grease traps or other alternative <br />treatment technology which will in their discretion adequately control the release <br />of FOG from the ESE or FM/P or the structure into the sanitary sewer system. <br />The ESE or FM/P bears the burden of demonstrating that the installation of a <br />grease interceptor is not feasible to the satisfaction of the Public Works Director. <br />L. Charge for remedial maintenance or repair of the City sanitary sewer system. <br />1. In the event that the owner of an ESE or FM/P or the owner of any <br />structure in which an ESE or FM/P is located is found to have contributed <br />to the partial or complete obstruction of a sanitary sewer system resulting <br />from the discharge of wastewater or waste containing FOG and that the <br />City is required to act immediately to control a public health hazard <br />Page 45 of 82 <br />