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 PDF TABLE OF CONTENTS - Watts This site is not an offical copy or maintitned by the Government of Ontario. What is a grease interceptor? - Grease Trap Pumping 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. Traps, interceptors and separators - LII / Legal Information Institute F. Concrete or finishing material requirements are to be determined by the specifying engineer. Shall include a60/40 split between compartments to allow for adequate retention time, similar to a GGI; Shall beconstructed of non-corrodible materials; May have either internal or external inverts. "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 grease interceptor. [Comment: When a reference is The Ontario Building Code | Venting of Interceptors This very simple concept allows two traps to be vented by the same vent. 6111.45 plants shall be drained in accordance with the rules of the "Ohio Environmental GRDs are trickier to size than HGIs. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. (6) Every grease interceptor shall have a vent pipe that is not less than 1 in. Do not use enzymes or other agents that will allow grease to pass through the grease interceptor and into the sewer. GREASE INTERCEPTOR (TYPICAL: 750 GALLON MINIMUM) - Vallejo Wastewater All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. Trapping and Venting for Grease Interceptors - IWConsultingService insize, (b) extend independently to open air, and. 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. endstream endobj startxref PDF Grease Interceptor Sizing and Installation Guidelines - Tacoma Permits 1002.1 Fixture traps. 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. I dont know about you, but, for me, 2016 was a very difficult year, and I am not sorry to see it go. (See sections 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. Interceptors and separators shall be vented in . Grease interceptors function using gravity and coalescence as a means of separation. If you use this piece of equipment, I would get the vendor involved in the sizing. Certain violations - such as not having a grease interceptor - carry a minimum fine of $2,000. If a grease interceptor needs to be installed, replaced or fixtures need to be connected, call a plumber or other service provider. `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:; f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? standard, or any other technical publication, the specific date and title of As waste water flows through a kitchen's plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) . Once the grease interceptor reaches maximum capacity, a certified grease trap cleaning company will need to be called in order to service the grease interceptor. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. %PDF-1.5 % 78. It is also recommended to vent the outlet side of thegrease interceptor right after the outlet. Grease interceptors are sized according to the rate of incoming flow, in gallons per minute (GPM). hbbd```b``vA$S+^$Al$k9HD+D "_&) rB8H02UzeQ , ` `q'"& O@5 M_*! T! endstream endobj startxref 0 %%EOF 177 0 obj <>stream 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. {FC?X* iFWo}'R]EXe` @ 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. 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 . 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. 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 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. Chapter 10 Traps, Interceptors and Separators - UpCodes A Hydromechanical Grease Interceptor (HGI) does not require to be directly vented unless specifically mandated by local code or by law. 2018 International Plumbing Code (Ipc) | Icc Digital Codes Design Criteria for Grease Interceptors | AustinTexas.gov (See Article 2.5.5.2 for venting requirements for oil interceptors.) ), GREASE RETENTION CAPACITY 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. PDF Guidance Document for Grease Trap Interceptor and Separator Determining the gpm is tricky since the piping is sized based on fixture units. In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. Keep a record of grease interceptor cleanouts and maintenance activities. Have someone on site who can open the grease interceptor for inspection. We can help with questions about the technical requirements of the regulation. 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. (5) Every vent pipe that serves an oil or grease interceptor and is located outside a building shall be not less than 3 in. a) All required grease interceptors shall comply with the following: 1) Material and Covers. As with the gravity grease interceptors, the sizing of the vent is ambiguous. HGIs greater than 500 gallons must have a 60/40 split between compartments. (Adobe PDF). 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 A grease interceptor shall be provided for proper handling of liquid wastes containing grease. Where to buy. If you are installing a grease interceptor, use our online tool for correct sizing. Further, some of plastic units can be ordered with a dip tube service connection that can be piped to the exterior of the build for service. 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. Chapter 10: Traps and Interceptors, 2021 Oregon Plumbing - UpCodes Please turn on JavaScript and try again. If you dont know which fixtures are connected to a grease interceptor, call a plumber or other service provider to trace pipes back to the grease interceptor. Metro Vancouver 2023 | A grease interceptor is not required where only one auto . It depends on which model plumbing code applies to the installation. and 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. | Change settings. This drawing shows a semi-automatic draw-off type grease interceptor but without a vented external flow control. You must: If you have received a Notice of Violation letter after Metro Vancouver has conducted a compliance inspection, here are the next steps to take. Copyright | Privacy Statement. If you do provide a vent, how do you size it? Below is a comparison between our most recent version and the prior quarterly release. There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. plumbing from approved fixtures as required in district standards . Section 890.510 - Grease Interceptor Requirements. 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([? Does the interceptor require a vent? nQt}MA0alSx k&^>0|>_',G! Do you have an interesting or questionable installation you can share? There needs to be a trap and vent between the fixture and the vented flow control fitting. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. 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. 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. For compliance with the UPC this drawing would have to show both a vented external flow control and a trap and vent for the fixture. endstream endobj startxref Exception: Anyway, on to happier subjects. h[YoG+hc` @ek= K;ZoR[&&yTVvUeA3+C+iJ ?S]]__3`x~Mn-O_vW?o{W7W/NU/W|fw_qx-zfMSNgon>|~g^6/y%, #oi? It can be done either way with dramatically different results. 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. Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas. They can clog sewers and cause back-ups into homes and businesses, and overflows into the environment. If your grease interceptor is undersized, you may be required to clean it out more often until you install a properly sized unit. hb```@9 Section 890.510 - Grease Interceptor Requirements, Ill - Casetext PDF Interceptors - Common Questions 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 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. 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. If you operate a commercial or institutional kitchen, you must: Violations may result in re-inspection fees of up to $300 or a fine. Is it half the size of the connected waste piping? Manufacturer's are required to identify which Type their interceptor is rated to when certifying to the ASME standard. 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). The above diagram would not be compliant with the UPC. This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. %%EOF Hydromechanical Grease Interceptors (HGI). N')].uJr Note: CSA 481.3 -12 requires dishwashers to be discharged into a dedicated grease trap. hb```b`0 B,@Q@g4l0>' #4pKU"[L[uM-6 z `:0 'b Grease interceptors must be selected according to our: The service provider can provide advice on how to configure a solution for your specific situation. H*w6PH/2402Q0 B]s3 "s=s \ Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. 2021 International Plumbing Code (Ipc) | Icc Digital Codes 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. ArW&-z(P\'`H"k>:/zIb GQ` Again, there is nothing wrong with this installation, though it may not be immediately obvious as to why. (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. Trapping and Venting for Grease Interceptors - Interceptor Whisperer Note: Drawings are for reference only. Or do you size it based on the number of fixture units connected upstream? Grease interceptors shall be constructed of durable, corrosion-resistant materials and shall have water-tight covers securely fastened in place. dwellings. . (1) Every oil interceptor shall be provided with 2 vent pipes that. . However, since PDI created this procedure, the health departments of the country have mandated indirect waste connections on prep sinks and the like, so drain down time cannot be controlled. SPS 382.34(5)(c) (c) Exterior grease interceptors. Hunters Curve doesnt work because it is intended for water flow rates, not drainage. 2y.-;!KZ ^i"L0- @8(r;q7Ly&Qq4j|9 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. Wastes from industrial 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. 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. By continuing to use our website, you acknowledge the use of cookies. 6111.44 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 Please see below for the updated requirements. HLn0~9!$BJUQJ= (?* 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. An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. 0 Specs and Installation. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the Director prior to GI installation. 2) Minimum Size. wG xR^[ochg`>b$*~ :Eb~,m,-,Y*6X[F=3Y~d tizf6~`{v.Ng#{}}jc1X6fm;'_9 r:8q:O:8uJqnv=MmR 4 PDI G101 mandates the installation of a vented external flow control. 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 Grease interceptor means a multi - compartment . the publication as well as the name and address of the promulgating agency are PDF Guide To Grease Interceptors - Building in California Exception: Use our online tool to determine what size grease interceptor you need, Grease Interceptor Installation Plan - Request a Metro Vancouver Review. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. definition. HGIs are generally made from lined steel and are much smaller than gravity grease interceptors. Product Details - Endura Grease Interceptors 978 0 obj <> endobj This is a very handy feature indeed. Greases, fats and oils are about 89 or 90% of the weight of water. First, I would like to start by saying Happy Holidays and New Year to all. PDF and required for indoor installations. A plumbing line upstream of grease interceptor. %%EOF endstream endobj 678 0 obj <>/ExtGState<>/ProcSet[/PDF/ImageC]/XObject<>>>/TilingType 3/Type/Pattern/XStep 2048.0/YStep 1536.0>>stream A grease interceptor or automatic grease removal device shall be required to receive the drainage from fixtures and equipment with grease-laden waste located in food preparation areas, such as in restaurants, hotel kitchens, hospitals, school kitchens, bars, factory cafeterias and clubs. What's important to remember about AAVs is that they only allow for the relief of negative pressure in the drainage system. The IPC approves the use of and installation requirements for AAVs under section 918.0. Section 890 - Illinois General Assembly Metro Vancouver's Food Sector Grease Interceptor Bylaw 268 requires commercial and institutional kitchens to install and maintain a grease interceptor to reduce fats, oils and grease (FOG) in the sewer system. Building on our expertise and field-proven approach to grease and solids management, Endura XL consistently offers high performance hydromechanical grease management, with some of the industry's highest fats, oil and grease separation efficiencies. 2. minimum size of grease trap is 35 mgd and 70 lbs. YY IpnnN$cG!v,:9g]7.x:Rtxr^-hZe\&_yVnC D0f0bH9 1_`cG\>L(&o(cmK T07( 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. This installation is compliant with both the IPC and the UPC since it shows a trapped and vented fixture discharging through an approved interceptor without external vented flow control with a vent installed downstream. e.) Venting is recommended on both the inlet and outlet side of the interceptor, or as governed by local code. Grease Interceptor Design Requirements | Johnson County Kansas in size, or can be sized in accordance with the manufacturers recommendations. . The vent on the flow control is an air intake. Both HGIs and GRDs are sized based on the flow rate of the waste stream in gpm. hbbd``b``Lq ( $?a`bd2)f`$@o n More comparison features will be added as we have more versions to compare. 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. This installation would be compliant with both the IPC and the UPC. However, these requirements also allow larger HGI models if site conditions are not ideal for a Gravity Grease Interceptor. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. L/m, 1 pound = 0.454 kg. made within this rule to a federal statutory provision, an industry consensus Does the unit need a running trap as shown in the 25-year-old detail by the county of Los Angeles? 2.5.5.2 Venting of Oil Interceptors (See Appendix A) (See also Article 4.3.5.2. of Division . Grease interc eptors are installed on "gray" water drain lines and are designed to remove fats, oils and grease (FOG) from wastewater. The unit shown is certified to ASME A112.14.3 Type C (without external flow control) with a built-in or integral flow control and does not require an air intake. hbbd``b`$f wqu@V&FD:Ft? [ Annacis Research Centre Leasing & Booking, Non-Road Diesel Engine Regulatory Program, Public Notification of Applications for Permits or Licences, GFL Delta Organics Facility (formerly Enviro-Smart), Harvest Power's Richmond Compost Facility, Food Sector Grease Interceptor Regulatory Program, Approved Grease Interceptor Selection Methodology, Grease Interceptor Installation Plan Request for Review, Metrotower III, 4515 Central Boulevard, Burnaby, BC, V5H 0C6, Install a correctly sized grease interceptor that is connected to all required fixtures, Maintain the grease interceptor by having it pumped out by a service provider, Ensure that what is coming out of the grease interceptor meets bylaw limits, Keep records of grease interceptor cleanouts and maintenance activities, Connected to any fixture that generates grease, Properly sized - if it is too small it will fill with fats, oils and grease too quickly and will not do its job, Accessible - so it can be inspected and so you can maintain it, Fully pump out your grease interceptor when fats, oils, grease and solids reach 25% of the total liquid depth OR every 90 days, whichever occurs first, Inspect all components that may affect its proper operation. Grease interceptor. You would think after being around so long that the plumbing associated with these units would be long established and well defined, but it is not. When it comes to traps and vents for grease interceptors and the fixtures discharging to them, it's incumbent upon an engineer or contractor to identify and comply with local code requirements regardless what a manufacturer's drawing shows. 1003.3.4 Hydromechanical grease interceptors, fats, oils and greases disposal systems and automatic grease removal devices. 0 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. PDI G101 and ASME A112.14.3 Type A certified interceptors are required to have a vented external flow control installed upstream of the interceptor. Wastewater leaving the grease interceptor must not exceed 300 mg/L of oil and grease and 600 mg/L of solids. Austin Waters Office of Industrial Waste (IW) modified its grease interceptor policies in April 2021. I would size it as half the size of the inlet with a 2-inchminimum, but your AHJ might want you to use the connected fixture units so it is worth checking with your AHJ. 1014.3 Gravity Grease Interceptors Required gravity grease interceptors shall comply with the provisions of Section 1014.3.1 through Section 1014.3.7 . Grease Interceptors 101 | phcppros Then again, thats how I prefaced my December 2015 article, so luck has certainly not been on my side. processes, meat packing and food processing facilities and similar processing 4. refer to local plumbing code for venting, fixtures, and trap requirements. in size in areas where it may be subject to frost closure. 0 Have two years of records on hand and available for inspection. 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). Learn more . Los Angeles County grease interceptor detail Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. 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 kitchen in a B&B with more than nine rooms will need installation of a grease interceptor. n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. A vent shall be installed downstream of hydromechanical grease interceptors in accordance with the requirements of this code. serving chemical waste systems shall not be prohibited. 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 . Units supplied with external flow restrictors are vented on the inlet . 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. grease trap shall not be made of steel or stainless steel.
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