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City of San Leandro <br />Sewer System Management Plan <br />Volume I <br />All lines within the collection system are inspected and cleaned annually. Priority is given to <br />areas with a history of problems relating to FOG, roots or structural impairment. Areas with a <br />history of FOG hot spots are investigated and cleaned at least quarterly. The areas requiring <br />quarterly monitoring and cleaning frequency are downtown San Leandro and the service area <br />surrounding the Bermuda lift station. <br />FOG hot spots (areas with increased incidence of grease build-up) are cleaned to remove the risk <br />of a blockage occurring and are subsequently inspected once per week. The sewer line is cleaned <br />using either a hydro jet with spinning nozzle or a power rodder. The combo unit/vacuum truck is <br />also used whenever feasible to recover the FOG. Additionally, information on the location, <br />severity and possible source is relayed to the Environmental Services Section. Inspectors follow <br />up at FSEs that may have contributed to the grease build-up. The collection crew continues to <br />monitor the area weekly until the problem is abated through inspection or repair. <br />Documents included in Appendix C: <br />Food Facility FOG Fact Sheet/ Grease Interceptor Guidance <br />Food Facility Survey Form <br />Food Facility Inspection Form <br />While the City has known areas with commercial grease sources (e.g. restaurants), most of the <br />City's grease problems are in residential areas and the result of lines with poor grade. <br />Lines with known poor grade will be prioritized for CCTV inspection. With information on the <br />causes of grease problems, maintenance activities and schedules can be modified or sewer <br />repairs made to better control grease buildup and minimize grease -related SSOs. <br />Page 129 <br />