As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) Grease Interceptor Design Requirements | Johnson County Kansas Fats, oils and grease in the sewer system costs the region over $2.7 million each year. 101 0 obj <> endobj 139 0 obj <>/Filter/FlateDecode/ID[<8100D9A72E24714CB39E4D32A0282084><7624C21409664899A744A21F2F606FC0>]/Index[101 77]/Info 100 0 R/Length 170/Prev 846138/Root 102 0 R/Size 178/Type/XRef/W[1 3 1]>>stream x- [ 0}y)7ta>jT7@t`q2&6ZL?_yxg)zLU*uSkSeO4?c. R -25 S>Vd`rn~Y&+`;A4 A9 =-tl`;~p Gp| [`L` "AYA+Cb(R, *T2B- A grease interceptor as described in these standards shall be installed in any business establishment with kitchen facilities including restaurants, cafes, lunch counters, cafeterias, supermarkets, convenience (a) in no case be less than 1 in. In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. Units supplied with external flow restrictors are vented on the inlet . Hunters Curve doesnt work because it is intended for water flow rates, not drainage. Most inspectors would say yes because the unit itself is trapped and a trap needs a vent, but if you ask the inspectors in Los Angeles City, they would say no, due to the fact that each fixture upstream of the trap is individually vented. There needs to be a trap and vent between the fixture and the vented flow control fitting. For engineered GGIs, specific models shall meet the following requirements: The goal for engineered GGIs is to closely comply to the concrete GGI requirements but allow slight flexibility if site conditions are not ideal for a concrete GGI. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy. indicated dishwasher- significant are often of grease water flow and chops the foodSince a food waste grinder into solidified particles, with a cold associated with hot or warm grease laden waste congealing problems is GenerallyManufacturer's good idea to run food recommend a hydromechanicalinterceptor installation, interceptors Keep a record of grease interceptor cleanouts and maintenance activities. GRDs are trickier to size than HGIs. 992 0 obj <>stream (a) connect to the interceptor at opposite ends, (c) terminate not less than 2 000 mm above ground and at elevations differing by at least 300 mm, and. Wastewater leaving the grease interceptor must not exceed 300 mg/L of oil and grease and 600 mg/L of solids. PDI G101 mandates the installation of an vented external flow control. Model plumbing codes require each fixture discharging into a grease interceptor be individually trapped and vented, and require the installation of a vent downstream of the grease interceptor. A grease interceptor or automatic grease removal device shall be required to receive the drainage from fixtures and equipment with grease-laden waste located in food preparation areas, such as in restaurants, hotel kitchens, hospitals, school kitchens, bars, factory cafeterias and clubs.
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