1002.1 Fixture traps. I dont know about you, but, for me, 2016 was a very difficult year, and I am not sorry to see it go. Vent the grease interceptor on the inlet side. @le&exDxX h[YoG+hc` @ek= K;ZoR[&&yTVvUeA3+C+iJ Promote longer time between cleaning to . Once the grease interceptor reaches maximum capacity, a certified grease trap cleaning company will need to be called in order to service the grease interceptor. N')].uJr Fats, oils and grease in the sewer system costs the region over $2.7 million each year. Grease interceptor means a multi - compartment . Purchasing an interceptor prior to IW approval exposes the purchaser to risk of rejection and replacement costs. Note that HGIs are generally located recessed into the floor or on the floor below if that is possible. 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. Metro Vancouver bylaw enforcement officers may inspect your grease interceptor and your maintenance records. Below is a comparison between our most recent version and the prior quarterly release. {FC?X* iFWo}'R]EXe` @ (1) Every oil interceptor shall be provided with 2 vent pipe s that, (a) connect to the interceptor at opposite ends, (b) extend independently to open air, (c) terminate not less than 2 000 mm above ground and at elevations differing by at least 300 mm, and (d) do not connect to each other or any other vent pipe. More comparison features will be added as we have more versions to compare. This bylaw applies to commercial kitchens and operations that prepare, package, serve, sell or otherwise handle food in a way that produces fats, oils and grease. A space is needed at the bottom for sludge . 78. TRAP REQUIREMENTS. There needs to be a trap and vent between the fixture and the vented flow control fitting. 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. hUmo0+~"UKHKnG@6%-m}o~8]c"!B!\d\?C\,8wf2:4sg% yNpi-v[Jl6@:SyQ gnZMlVlo'sH#B*i Does the interceptor require a vent? 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. It depends on which model plumbing code applies to the installation. WC2FJYFj 8,V Grease interceptor. 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. First, I would like to start by saying Happy Holidays and New Year to all. and endstream endobj 1047 0 obj <. the publication as well as the name and address of the promulgating agency are Metro Vancouvers Food Sector Grease Interceptor Bylaw 268 requires commercial and institutional kitchens to install and maintain a grease interceptor to reduce fats, oils and grease (FOG) in the sewer system. 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 . As waste water flows through a kitchen's plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) 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. Learn more . 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. Hunters Curve doesnt work because it is intended for water flow rates, not drainage. This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. Los Angeles County grease interceptor detail Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. Grease interceptors shall be constructed of durable, corrosion-resistant materials and shall have water-tight covers securely fastened in place. This is best done with an empty grease interceptor. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. 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. Accept all cookies Code 4101:3-10-01 - Traps, interceptors and separators. 4. refer to local plumbing code for venting, fixtures, and trap requirements. 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. Book -Volume 4, Chapter 8, Grease Interceptors or CSA B481 Series-12 may also be considered. Wastes from industrial It is also recommended to vent the outlet side of thegrease interceptor right after the outlet. Specs and Installation. Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. . level to allow for venting. The above diagram would not be compliant with the UPC. A Hydromechanical Grease Interceptor (HGI) does not require to be directly vented unless specifically mandated by local code or by law. (6) Every grease interceptor shall have a vent pipe that is not less than 1 in. plumbing from approved fixtures as required in district standards . (7) A vent pipe shall be provided within 1 500 mm of the inlet to a grease interceptorcomplete with a cleanout to provide cleaning of thevent pipe. Since the interceptor comes with a flow control in the inlet, if your drainage flow rate exceeds the rating of the interceptor the waste will back up and end up on the floor. Hydromechanical Grease Interceptors (HGI). [Comment: When a reference is Note: CSA 481.3 -12 requires dishwashers to be discharged into a dedicated grease trap. This is fine if the waste hauler has a means of access to the unit with their vacuum hose, but often they are mistakenly buried in the parking garage where no such access exists, and a grease truck is much too tall to drive into a parking garage with 8'-4'' ADA clearance. 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 endstream endobj 979 0 obj <. This site is not an offical copy or maintitned by the Government of Ontario. hb```@9 If a grease interceptor needs to be installed, replaced or fixtures need to be connected, call a plumber or other service provider. Grease interc eptors are installed on "gray" water drain lines and are designed to remove fats, oils and grease (FOG) from wastewater. If you use this chart, I would use the one-minute column, or your interceptor might be undersized. HGIs greater than 500 gallons must have a 60/40 split between compartments. 673 0 obj <> endobj 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 %%EOF Manufacturer's want to provide guidance for a broad range of installations without providing detailed drawings for every single installation variable that can exist. Units supplied with external flow restrictors are vented on the inlet . dwellings. Where large central grease interceptors are entirely impractical, such as my old stomping ground of New York City, localized interceptors become the most practical solution. The service and maintenance cycle for a grease trap or grease interceptor can vary based upon several factors such as capacity, food type, restaurant or kitchen volume, and mandated ordinances. In the last 20 years we have grown from a small regional company to the most widely specified and inventoried (sold through plumbing wholesale) brand of grease interceptors in the U.S. Our expertise in navigating codes, standards, compliance, specifications and installations is unparalleled in the industry. %%EOF ASME A112.14.3, CSA B481.1 and meeting the requirements of both IPC and UPC . By continuing to use our website, you acknowledge the use of cookies. 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. There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. standard, or any other technical publication, the specific date and title of nQt}MA0alSx k&^>0|>_',G! ?S]]__3`x~Mn-O_vW?o{W7W/NU/W|fw_qx-zfMSNgon>|~g^6/y%, #oi? 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 Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. 14420 ,J 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([? Have someone on site who can open the grease interceptor for inspection. endstream endobj 678 0 obj <>/ExtGState<>/ProcSet[/PDF/ImageC]/XObject<>>>/TilingType 3/Type/Pattern/XStep 2048.0/YStep 1536.0>>stream into a grease interceptor, the FOGS are intercepted or filtered out into a large underground holding tank. meet cleaning requirements. Greases, fats and oils are about 89 or 90% of the weight of water. A kitchen in a B&B with more than nine rooms will need installation of a grease interceptor. (a) in no case be less than 1 in. Grease Interceptor. A vent shall be installed downstream of hydromechanical grease interceptors in accordance with the requirements of this code. Metro Vancouver respects the diverse and distinct histories, languages, and cultures of First Nations, Mtis, and Inuit, which collectively enrich our lives and the region. It may also include more items than a specific set of plumbing plans may encompass. The IPC approves the use of and installation requirements for AAVs under section 918.0. (pounds). 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) Privacy Statement The unit shown is certified to ASME A112.14.3 Type C (without external flow control) with a built-in or integral flow control and does not require an air intake. 7.5.5.2. venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting of Interceptors. Metro Vancouver acknowledges that the regions residents live, work, and learn on the shared territories of many Indigenous peoples, including 10 local First Nations: qi(Katzie), q: (Kwantlen), kikm (Kwikwetlem), mthxwi (Matsqui), xmkym (Musqueam), qiqyt (Qayqayt), semyame (Semiahmoo), Swxw7mesh Uxwumixw (Squamish), scan msteyx (Tsawwassen) and sllwta (Tsleil-Waututh). Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. You can ask Metro Vancouver to review your installation plan. Copyright | Privacy Statement. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign. If you use this piece of equipment, I would get the vendor involved in the sizing. 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. Then again, thats how I prefaced my December 2015 article, so luck has certainly not been on my side. An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. HGIs are generally made from lined steel and are much smaller than gravity grease interceptors. 6111.44 Grease interceptors are required for all Food Service Establishments (FSEs) that do not qualify for a Low Grease Discharge Waiver (LGDW). (5) Every vent pipe that serves an oil or grease interceptor and is located outside a building shall be not less than 3 in. If there is no place to bury them outside they are often located in parking garages. Assuming the interceptor is intended to serve as a fixture trap, there is no requirement to install an additional trap and vent between the fixture and the interceptor. 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 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. The ret ained FOG should be regularly removed or pumped out of the interceptor. Grease interceptors must be selected according to our: The service provider can provide advice on how to configure a solution for your specific situation. endstream endobj startxref 691 0 obj <>stream A grease interceptor is not required where only one auto . definition. HOWEVER, DO NOT PURCHASE ANY GREASE TRAP WITHOUT FIRST VERIFYING WITH OUR OFFICE THAT THE SPECIFIC MODEL WILL BE APPROVED FOR INSTALLATION! Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas. hb``Pa``b``9a hb```b`0 B,@Q@g4l0>' #4pKU"[L[uM-6 z `:0 'b It can be done either way with dramatically different results. Grease and Commercial Kitchens Brochure (English). Okay, so let's take a look at some drawings and see what works and what doesn't. plants shall be drained in accordance with the rules of the "Ohio Environmental Jvfv,=6b2PWYgmwxHI$tow+0f3 &b%7ROLBB$e0p^,#&Yu^c.B%Nc>SIK_~;r |x!3O a) All required grease interceptors shall comply with the following: 1) Material and Covers. Manufacturer's are required to identify which Type their interceptor is rated to when certifying to the ASME standard. What's important to remember about AAVs is that they only allow for the relief of negative pressure in the drainage system. View contact information for grease trap manufacturers (Adobe PDF) that are familiar with these criteria. Hydromechanical grease interceptors shall meet the following requirements: Must comply with American Society of Civil Engineers (ASME) A112.14.3 standard; Must be flow-rated at 75-gallons per minute (GPM) or higher; Must be constructed of non-corrodible materials; 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. | Change settings. grease interceptor, correctly designed to separate light densitysubstances from wastewater, will not by itself govern or regulate theflow of water through the interceptor at all times to sufficiently assurethe "flotation" separation of the substances which are to be interceptedat maximum efficiency. hbbd```b``vA$S+^$Al$k9HD+D "_&) rB8H02UzeQ , ` `q'"& O@5 M_*! T! endstream endobj startxref 0 %%EOF 177 0 obj <>stream ArW&-z(P\'`H"k>:/zIb GQ` (1) Every oil interceptor shall be provided with 2 vent pipes that. Grease interceptor means an indoor device located in a food service facility or under a sink designed to collect, contain and remove food wastes and grease from the waste stream while allowing the balance of the liquid waste to discharge to the System by gravity. Copyright 2023 Greenway Waste Solution Site by Outliant | Privacy Policy, Top 3 Reasons for Grease Trap Maintenance, Greenway Waste Solutions Zooms Up with Griffin Brothers. endstream endobj 679 0 obj <>stream 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. 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. 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. Do not purchase a grease interceptor without obtaining a building plan approval includingan Industrial Waste approval letterspecifying the size and design of the interceptor that will be required. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. Please see below for the updated requirements. The letter will specify a minimum frequency. in size, or can be sized in accordance with the manufacturers recommendations. 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). Referenced Codes: 2021 Uniform Plumbing Code (UPC) 2021 International Energy Code Compliance (IECC) 2. minimum size of grease trap is 35 mgd and 70 lbs. Where to buy. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. The vent on the flow control is an air intake. 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. In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. This is a very handy feature indeed. serving chemical waste systems shall not be prohibited. 0 It looks like your browser does not have JavaScript enabled. . The only solution for compliance with the UPC is to add a vent for the trap on the fixture upstream of the vented flow control fitting. Again, there is nothing wrong with this installation, though it may not be immediately obvious as to why. of the Revised Code. . 978 0 obj <> endobj 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. 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. The following diagrams show some of the various approaches to common venting. grease trap shall not be made of steel or stainless steel. e.) Venting is recommended on both the inlet and outlet side of the interceptor, or as governed by local code. endstream endobj 677 0 obj <>stream Plus, since our new president was just elected, nobody knows what we have in store for 2017 lets hope it is good! 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 . To be honest, much of the confusion over whether a drawing shows a code compliant installation of a grease interceptor or not, can be the result of boilerplate drawings provided by manufacturers in submittals or installation instructions. `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:; f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? 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 The drawing shows a PDI G101/ASME Type A grease interceptor with an external flow control with air intake, however it also shows a trap on the fixture but no vent for the trap. 0 As with the gravity grease interceptors, the sizing of the vent is ambiguous. Extremely large volume GIs may have three compartments; While operating at the GI's rated flow capacity, the first compartment must provide a retention time of no less than seven minutes, and the second compartment must provide a retention time of no less than five minutes (~60/40 split); GI inverts and vents shall be external to the compartments. 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 Exception: Interceptors and separators shall be designed so as not to become air bound. 1093 0 obj <>stream which the wastes are to be discharged. Exception: 6111.45 endstream endobj startxref We use cookies to provide you with a better experience. As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) This is not compliant with the IPC since the code does not allow double trapped fixtures. That being the case the interceptor does not require a vented external flow control - jurisdictions unfamiliar with this type of interceptor often question drawings like this and understandably so. This includes: restaurants, fast-food operations, cafeterias, hospitals, bars, grocery stores, bakeries, coffee shops, butcher shops and other similar operations that handle food. 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. The location of gravity grease interceptors is critical. 4101:3 - Board of Building Standards: Ohio Plumbing Code, Ohio Admin. Must comply with American Society of Civil Engineers (ASME) A112.14.3 standard; Must be flow-rated at 75-gallons per minute (GPM) or higher; Must be constructed of non-corrodiblematerials; Must be installed per ASME A112.14.3 Type D standard (indirect connection without external flow control); Must have a minimum liquid capacity consistent with the IW approval letter specified minimum; and. %PDF-1.6 % %PDF-1.6 % the last fixture serviced, and the inlet of the interceptor. Grease interceptors function using gravity and coalescence as a means of separation. Section 890.510 - Grease Interceptor Requirements. Note: Drawings are for reference only. A grease interceptor shall be provided for proper handling of liquid wastes containing grease. "F$H:R!zFQd?r9\A&GrQhE]a4zBgE#H *B=0HIpp0MxJ$D1D, VKYdE"EI2EBGt4MzNr!YK ?%_&#(0J:EAiQ(()WT6U@P+!~mDe!hh/']B/?a0nhF!X8kc&5S6lIa2cKMA!E#dV(kel }}Cq9 H*w6PH/2402Q0 B]s3 "s=s \ %%EOF The code does allow the interceptor to serve as a trap (assuming that this interceptor is intended to serve as a fixture trap) thus adding a trap to the fixture upstream of the interceptor creates a double trapped fixture installation. grease interceptor. Grease interceptors are sized according to the rate of incoming flow, in gallons per minute (GPM). This drawing for a PDI G101/ASME Type A grease interceptor appears to be compliant with the IPC. (Adobe PDF). Trap seal protection is listed in rule 4101:3-15-01 of the Administrative Code. Plumbing systems for institutions or commercial establishments in which grease, fats, culinary oils or similar waste products from kitchens or food processing areas are wasted, or in which grease, fats or culinary oils are wasted in connection with utensil, vat, dish or floor cleaning processes shall include grease interceptors. Protection Agency", or the authority in charge of the sewerage system into If the device serves only one fixture like a pot sink,it can often sit above the floor. {KGGj~]?=^FG.'>rvN_?O%g{ (ye~/^W|_\o\6EU17W2 pM=='.zkZ$b-j`RjFo[n(lw]ot[iQ %[I$tf CtD#"~\An=Chh(3mZP1~GcDn+{*H "4]V4.qAIi`HimHOh1Rc6A- As^3ZX_Q=a6> 75wMw/w[w @4 Y|kf j}`} 2|u}zv&a{e4F;sP|;IR.vuy-S`4y)%)` bc7.

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