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GPH!Dpouspm!Qsphsbn!Nbovbm! <br /> <br />cleaning is performed by kitchen staff, solids and FOG should be dewatered (e.g., mixed <br />with cat litter) and discarded in the trash. All FSEs with HGIs must keep logs of the <br />maintenance events. Log sheets are provided to each FSE during the initial or follow-up <br />inspections. <br /> <br />5/5/5 HSFBTF!SFNPWBM!EFWJDFT <br /> <br />Grease removal devices (GRD) are HGIs which automatically remove the floating FOG <br />contents of the device. GRDs are typically installed indoors and connect to one to four <br />sinks in the kitchen. Floating FOG is separated from the water within the GRD and is <br />discharged into a relatively small tank connected to the side of the GRD. The containers <br />are then emptied into a designated container. If space is available, a 55 gallon drum can <br />replace the small tank in order to eliminate the need to empty the container on a daily <br />basis. A typical conceptual GRD design is illustrated below in Figure 4-4, ǤƦźĭğƌ <br />/ƚƓĭĻƦƷǒğƌ DƩĻğƭĻ wĻƒƚǝğƌ 5ĻǝźĭĻ 5ĻƭźŭƓ. <br /> <br />Flow Control Device Access Covers <br />(Internal or External) <br />InletOutlet <br />Removable <br />Solids Strainer <br />Basket <br />Outlet Baffle <br />Inlet Baffle <br />SkimmerHeating Element <br /> <br />Figure 4-4 - Typical Conceptual Grease Removal Device Design <br /> <br />The GRD shown in Figure 3 has a skimmer wheel which skims the floating FOG into the <br />small container. Other styles of GRDs are available without the skimmer wheel and use <br />hydrostatic pressure or pumps to remove the floating FOG from the device. Some FSEs <br />prefer GRDs without the skimmer wheel because there are fewer moving parts requiring <br />maintenance. It is important that the FSEs understand how their GRD works and what <br />maintenance is required for their device. Proper GRD maintenance is further discussed <br />in Section 3.6.2. <br />5/5/5/2!Tj{joh! <br />GRDs are sized to the same standards as HGIs which was previously discussed in Section <br />4.4.3.1. They are sized according to the established sizing criteria in Chapter 10 Section <br />1014.2 of the California Plumbing Code. Flow control devices must be installed inside <br /> <br />City Council <br />16 <br /> <br />