If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. 1046 0 obj <> endobj To separate them from water an interceptor provides a separation chamber which allows FOG to rise to the surface. If you would like Metro Vancouver to review your grease interceptor installation plan, replacement plan, or fixture connection plan, please fill out this form: If the grease interceptor contained greater than 25% fats, oils, grease, and solids, you must have it pumped out and cleaned immediately, then provide us with the documentation from your service provider. standard, or any other technical publication, the specific date and title of a) All required grease interceptors shall comply with the following: 1) Material and Covers. SPS 382.34(5)(c) (c) Exterior grease interceptors. Units supplied with external flow restrictors are vented on the inlet . 2.5.5.2 Venting of Oil Interceptors (See Appendix A) (See also Article 4.3.5.2. of Division . I dont know about you, but, for me, 2016 was a very difficult year, and I am not sorry to see it go. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign. Schierlocated in Shawnee, Kansasis a privately-owned, 100% USA-made manufacturer of a premier lineup of high-capacity, lifetime guaranteed grease interceptors for commercial kitchens. Examples of such features would include a flow diverter plate in the primary compartment, "tee" piping between the two GI compartments and "tee" piping on the tank outlet; Be constructed of concrete or non-corrodible materials; Each GI compartment shall be accessible for cleaning and inspection purposes (no exceptions). which the wastes are to be discharged. The International Plumbing Code (IPC) 1002.1 (exception 3) allows a grease interceptor to serve as a fixture trap - where it is intended by the manufacturer to serve as a trap - for a single fixture or a combination sink of not more than three compartments so long as the vertical distance from the outlet of the fixture to the inlet of the interceptor is not more than 30 inches and the developed length of the waste pipe from the most upstream fixture outlet to the inlet of the interceptor does not exceed 60 inches. The sizing of common venting is specified in Table 911.3. PDF Guidelines for Precast Concrete Grease Interceptors endstream endobj startxref (See Article 2.5.5.2 for venting requirements for oil interceptors.) 1071 0 obj <>/Filter/FlateDecode/ID[<27EA446AC697844CAE5240B4F0D8AD98>]/Index[1046 48]/Info 1045 0 R/Length 122/Prev 312685/Root 1047 0 R/Size 1094/Type/XRef/W[1 3 1]>>stream More comparison features will be added as we have more versions to compare. This can result in kitchen shutdown and foul odors. They can clog sewers and cause back-ups into homes and businesses, and overflows into the environment. Exception: Venting is required on the downstream drain line - the same as most other plumbing appliances and fixtures to allow ecient and unrestricted discharge of the waste water . The approved design for GGIs shall be as follows: Exceptions to the above criteria may be considered for approval in conjunction with the Building Plan Review process. GRDs are trickier to size than HGIs. Privacy Statement Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. The grease interceptor (GI) must be constructed in accordance with the current plumbing codes adopted by the City of Austin, as amended, and installed in a manner acceptable to the Development Services Division (no exceptions); The GI shall have two compartments. Note: CSA 481.3 -12 requires dishwashers to be discharged into a dedicated grease trap. hb``Pa``b``9a . There are no moving parts, but there is a series of baffles that catch the grease in the waste stream creating a hydromechanical process. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. Does the interceptor require a vent? (a) connect to the interceptor at opposite ends, (c) terminate not less than 2 000 mm above ground and at elevations differing by at least 300 mm, and. Below is a comparison between our most recent version and the prior quarterly release. PDF Interceptors - Common Questions Greases, fats and oils are about 89 or 90% of the weight of water. Chapter 10 Traps, Interceptors and Separators - UpCodes Grease interceptor. Metro Vancouver 2023 | PDF Plumbing Plan Review Checklist - Commercial Plan Review Design Criteria for Grease Interceptors | AustinTexas.gov {FC?X* iFWo}'R]EXe` @ The UPC does not include provisions for AAVs except as a part of an "Engineered Vent System" under section 912.0, much to the chagrin of engineers around the country. G. Encase the interceptor in well-packed " rock, or sand . . YLE&_| _fZ K*8Xbxl`ab8`NA!948y"vt n/9((+ K p& endstream endobj 102 0 obj <>/Metadata 3 0 R/Pages 99 0 R/StructTreeRoot 10 0 R/Type/Catalog/ViewerPreferences<>>> endobj 103 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 104 0 obj <>stream If there is no place to bury them outside they are often located in parking garages. p* Jvfv,=6b2PWYgmwxHI$tow+0f3 &b%7ROLBB$e0p^,#&Yu^c.B%Nc>SIK_~;r |x!3O Hydromechanical grease interceptors shall meet the following requirements: Generally, HGIs are ideal for low FOG-producing establishments such as small sandwich shops, coffee shops, and bakeries that use disposable flatware and do not utilize an automatic dishwasher, due to the HGIs compact size. Hunters Curve doesnt work because it is intended for water flow rates, not drainage. (5) Every vent pipe that serves an oil or grease interceptor and is located outside a building shall be not less than 3 in. in size connected to the outlet pipe, that connects to the plumbing venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting system. The IPC approves the use of and installation requirements for AAVs under section 918.0. KZI^))5+e6R2c*CiXY(Km2*n-jtC9K\D5e-44p`RP./FPG8_@PW4DRi*M-\(~=mLZS[o__O~zm'//\=xG?{RTO//n+([>fU{|y~y~d?|C_\o?.w([? Purchasing an interceptor prior to IW approval exposes the purchaser to risk of rejection and replacement costs. Minimum 1"openingabove wallor vent hole Static LevelVent hole Minimum 1.5times diameter 4 / 5 of inlet pipe / 5 Minimum 2" Minimum 3 holes,each diameter of inlet pipingMinimum 1/2diameter ofinlet piping EXAMPLES OF BAFFLE WALLS 5 Outlet Assembly (pipe and diffuser) Plumbing systems for institutions or commercial establishments in which grease, fats, culinary oils or similar waste products from kitchens or food processing areas are wasted, or in which grease, fats or culinary oils are wasted in connection with utensil, vat, dish or floor cleaning processes shall include grease interceptors. I, and many others, have written about grease interceptors, probably because their design requirements are quite vague and interpretation varies all over the map. As the waste stream flows through the orifice in the flow control device negative pressure is created, drawing in air from the air intake which is intended to mix with the waste water as it enters the grease interceptor aiding in separation efficiency. If you do provide a vent, how do you size it? 986 0 obj <>/Filter/FlateDecode/ID[<632E8A8118BA4843ACCDCC779BF056AD>]/Index[978 15]/Info 977 0 R/Length 57/Prev 404255/Root 979 0 R/Size 993/Type/XRef/W[1 2 1]>>stream Los Angeles County grease interceptor detail Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. 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. 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 682 0 obj <>/Filter/FlateDecode/ID[<5810FA80BC1A8D4FB046C1418B49AE9E>]/Index[673 19]/Info 672 0 R/Length 62/Prev 181100/Root 674 0 R/Size 692/Type/XRef/W[1 2 1]>>stream The GI flowline (upstream of inlet invert) must be at least 3 inches above the tanks static water level; The GI vent must be at least 3 inches above the static water level of the tank; The GI inlet must be near an elevation that is one half of the tank's static water level height, and the GI outlet must be at least 12 inches above the tank floor; Adequate flow diffusion features must be provided to evenly distribute flow throughout the GI. Drain down cant be controlled to two minutes due to the presence of air gaps on many of the fixtures. 2018 International Plumbing Code (Ipc) | Icc Digital Codes If you have questions about the letter you received, call or email your assigned officer. PDF PLUMBING SAFETY Information Bulletin - Alberta (c) terminate not less than 2 000 mm above ground. It looks like your browser does not have JavaScript enabled. A kitchen in a B&B with more than nine rooms will need installation of a grease interceptor. The Ontario Building Code | Venting of Interceptors 0 Promote longer time between cleaning to . plants shall be drained in accordance with the rules of the "Ohio Environmental hbbd```b``vA$S+^$Al$k9HD+D "_&) rB8H02UzeQ , ` `q'"& O@5 M_*! T! endstream endobj startxref 0 %%EOF 177 0 obj <>stream It depends on which model plumbing code applies to the installation. All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. GRDs are similar to HGIs except they have a motorized wheel that skims the floating grease off the top of the waste stream and deposits it in a removable container that makes maintenance quite simple. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. A space is needed at the bottom for sludge . into a grease interceptor, the FOGS are intercepted or filtered out into a large underground holding tank. GREASE INTERCEPTORS - Zurn | Change settings. State regulations are updated quarterly; we currently have two versions available. It is also recommended to vent the outlet side of thegrease interceptor right after the outlet. 691 0 obj <>stream Learn more . endstream endobj 1047 0 obj <. As with the gravity grease interceptors, the sizing of the vent is ambiguous. There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. The application of the referenced standards shall be limited and as prescribed in section 102.5 of rule 4101:1-1-01 of the Administrative Code.]. N')].uJr PDF and required for indoor installations. 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. endstream endobj 674 0 obj <>/Metadata 65 0 R/OCProperties<>/OCGs[683 0 R]>>/Outlines 85 0 R/PageLayout/SinglePage/Pages 666 0 R/StructTreeRoot 138 0 R/Type/Catalog>> endobj 675 0 obj <>/Font<>/Pattern<>/Properties<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 676 0 obj <>stream Okay, so let's take a look at some drawings and see what works and what doesn't. I would argue the former since, as noted above, each connected fixture is already trapped and the vent just serves to allow for the displacement of air it is not protecting a 1'' trap seal. Wisconsin Legislature: SPS 382.34(5)(c)2.b. A grease interceptor shall be provided for proper handling of liquid wastes containing grease. Most jurisdictions would say no because the interceptor is trapped internally. This installation would be compliant with both the IPC and the UPC. The vent on the flow control is an air intake. First, I would like to start by saying Happy Holidays and New Year to all. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. . the publication as well as the name and address of the promulgating agency are Building on our expertise and field-proven approach to grease and solids management, Endura XL consistently offers high performance hydromechanical grease management, with some of the industry's highest fats, oil and grease separation efficiencies. In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. A grease interceptor is not required where only one auto . (6) Every grease interceptor shall have a vent pipe that is not less than 1 in. The two traps and their fixture drains can be either at the same level or at different levels, provided that they are on the same floor. The retention capacity of grease interceptors (in pounds) must be at least twice the numerical value of flowrate through the unit (in gallons per minute). (a) in no case be less than 1 in. Accept all cookies This material is COPYRIGHT QUEEN'S PRINTER FOR ONTARIO, 2008-2018. 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 Be aware that there is a maximum lift height of the vacuum pump on the service truck, so dont locate the unit more than one story below grade. Grease interceptors are required for all Food Service Establishments (FSEs) that do not qualify for a Low Grease Discharge Waiver (LGDW). PDF Grease Interceptor Sizing and Installation Guidelines - Tacoma Permits It can be done either way with dramatically different results. View contact information for grease trap manufacturers (Adobe PDF) that are familiar with these criteria. Use our online tool to determine what size grease interceptor you need, Grease Interceptor Installation Plan - Request a Metro Vancouver Review. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy. Grease Interceptor. This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. (4) The vent pipes referred to in Sentence (1) are permitted to be one size smaller than the largest connected drainage pipe but not less than 1 in. Grease Interceptors may be sized in accordance with Appendix H of the 2003 Uniform Plumbing Code (UPC) or Chapter 10 of the 2006 and 2009 . . By continuing to use our website, you acknowledge the use of cookies. 6111.45 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. Here are a few examples. h[YoG+hc` @ek= K;ZoR[&&yTVvUeA3+C+iJ If you are installing a grease interceptor, use our online tool for correct sizing. %PDF-1.5 % 14420 ,J (2) Adjacent compartments within every oil interceptorshall be connected to each other by a vent opening. ASME A112.14.3 allows four types of ratings as follows: Type A - units with external flow control, with air intake (vent): directly connected, Type B - units with external flow control, without air intake (vent): directly connected, Type C - units without an external flow control: directly connected, Type D - units without an external flow control: indirectly connected. level to allow for venting. Keep a record of grease interceptor cleanouts and maintenance activities. Wastes from industrial Section 890.510 - Grease Interceptor Requirements. processes, meat packing and food processing facilities and similar processing The Uniform Plumbing Code (UPC) does not permit a grease interceptor to serve as a fixture trap and also prohibits the installation of a vent between the air intake on the flow control and the grease interceptor. Older service trucks have weaker vacuums, and theres no telling who will show up. If you use this piece of equipment, I would get the vendor involved in the sizing. For SI: 1 gallon per minute = 3.785 `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:; f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? definition. 1093 0 obj <>stream Grease Waste Plumbing Required Connections The following fixtures SHALL connect to the grease interceptor: Dishmachines: Low temperature chemical (e.g., chlorine) sanitizing The letter will specify a minimum frequency. endstream endobj startxref Some years ago, I was successful in getting a sizing table written in to Chapter 10 of the UPC relating fixture units to grease interceptor size, but the IPC still does not have such a table so it remains a mystery in that code. grease trap shall not be made of steel or stainless steel. As the waste stream flows through the orifice in the flow control device negative pressure is created, drawing in air from the air intake which is intended to mix with the waste water as it enters the grease interceptor aiding in separation efficiency. 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. hb```Lf yAXarPw`vB/+2[aa&]eL3DT -ke&{:2CFGC`h B j` SD Our purpose is to serve and provide for our employees by being a resilient company that offers best-in-class products and services. endstream endobj startxref Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. A grease interceptor (or grease trap) is a device that separates fats, oils and grease from wastewater and stops it from entering the sewer system. Many states that adopt or adapt the UPC have added an allowance for AAVs so you will have to check with your state to see if they are approved. Metro Vancouver bylaw enforcement officers may inspect your grease interceptor and your maintenance records. This drawing shows a semi-automatic draw-off type grease interceptor but without a vented external flow control. into a grease interceptor, the FOGS are intercepted or filtered out into a large underground holding tank. Does the unit need a running trap as shown in the 25-year-old detail by the county of Los Angeles? Certain violations - such as not having a grease interceptor - carry a minimum fine of $2,000. This very simple concept allows two traps to be vented by the same vent. (1) Every oil interceptor shall be provided with 2 vent pipes that. 7.5.5.2. venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting of Interceptors. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. Or do you size it based on the number of fixture units connected upstream? You can ask Metro Vancouver to review your installation plan. 2021 International Plumbing Code (Ipc) | Icc Digital Codes Trapping and Venting for Grease Interceptors - Interceptor Whisperer Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the Director prior to GI installation. Grease Interceptor Design Requirements | Johnson County Kansas Sizing of gravity grease interceptors was a mystery for many years, since thePlumbing Drainage Institute (PDI) sized the units based on meals served per hour coupled with drain down time. What is a grease interceptor? - Grease Trap Pumping I am hopeful that 2017 will be much better. endstream endobj 678 0 obj <>/ExtGState<>/ProcSet[/PDF/ImageC]/XObject<>>>/TilingType 3/Type/Pattern/XStep 2048.0/YStep 1536.0>>stream %%EOF This site is not an offical copy or maintitned by the Government of Ontario. If you operate a commercial or institutional kitchen, you must: Violations may result in re-inspection fees of up to $300 or a fine. meet cleaning requirements. Grease Interceptor Sizing and Installation Guidelines - NY Engineers The location of gravity grease interceptors is critical. "F$H:R!zFQd?r9\A&GrQhE]a4zBgE#H *B=0HIpp0MxJ$D1D, VKYdE"EI2EBGt4MzNr!YK ?%_&#(0J:EAiQ(()WT6U@P+!~mDe!hh/']B/?a0nhF!X8kc&5S6lIa2cKMA!E#dV(kel }}Cq9 Therefore, when using an AAV to vent a grease interceptor, it's important that the drainage system has provision for the relief of positive pressure to ensure proper flow. Most of you reading this know that there are different styles of grease interceptors. Please turn on JavaScript and try again. 2y.-;!KZ ^i"L0- @8(r;q7Ly&Qq4j|9 If you are designing in the UPC, there is a table in the Code for sizing the interceptors based on pipe size and associated peak flow rate, and then assigns interceptor sizes based on one-minute and two-minute drain down times. As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) grease interceptor. Trap seal protection is Grease Interceptor are manufactured with patented distributed flow pattern and corrosion resistant fiberglass material capturing FOG before it clogs pipes, enters the sewer waste system, or spoils a successful operation. PDI G101 mandates the installation of a vented external flow control.
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