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Flammabie waste interceptors are requtred when floor drains or trench drains are provided (n enciosed garages over 1000 square feet, garages <br /> housing more than four motor vehicies, repair garages, gasoUne stations with grease racks, work or wash racks, auto washes, and all bulldings <br /> where oily and/or flammable wastes are produced. Facceptton: Prlvate garages classified as Group U, Division 1 occupandes serving one-and <br /> two-family dwellings. All flammabie waste interceptors shall be installed in accordance with Minn. Rules, p. 4715.1120. <br /> — ditional Requirements: <br /> 1. Steel or cast iron flammable waste interceptors shail be provided with a � . <br /> protective corrosion resistant coating on both the inside and the outside. <br /> 2. Only wastes that require separation may discharge through the flammable <br /> waste interceptor. <br /> ' 3"Vent <br /> 3. If the outlet branch drain is further than 25 feet from a vented drain, a Metallic P(pe Materiai <br /> minmum 2-inch vent shall also be provided on the branch drain. <br /> 4. Sand interceptors may be provided ahead of a flammable waste <br /> interceptor only in designated wash areas. � <br /> 45°Or Greater <br /> 3"Dry Pan Drains • 24"Solid Cover � CO <br /> � �" 4" Outlet <br /> � <br /> u <br /> Sized From � 18N <br /> 4715.2310 At Least Sanitary <br /> subp.2 �� 36"Minimum 35 Cubic Foot Sewer <br /> � B Monolithic Poured Capacity <br /> Reinforced Concrete or <br /> 3/16"Steel or <br /> Cast Iron <br /> . <br /> - Fiammable Waste Interceptors - Construction and.Instaliation � 4/ss <br /> . , <br /> , Minnesota Department of Health • Division of Environmental Health • Engineering Unit ENG 1 <br />