As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) Metro Vancouver 2023 | in size in areas where it may be subject to frost closure. This includes: restaurants, fast-food operations, cafeterias, hospitals, bars, grocery stores, bakeries, coffee shops, butcher shops and other similar operations that handle food. This site is not an offical copy or maintitned by the Government of Ontario. refer to local plumbing code for vent requirements on external flow control device. (See Article 2.5.5.2 for venting requirements for oil interceptors.) 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. Trap seal protection is It is also recommended to vent the outlet side of thegrease interceptor right after the outlet. N')].uJr Grease interc eptors are installed on "gray" water drain lines and are designed to remove fats, oils and grease (FOG) from wastewater. 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. Grease interceptors must be selected according to our: The service provider can provide advice on how to configure a solution for your specific situation. Does the interceptor require a vent? The interceptor must be cleaned whenever 25 percent of any chamber becomes filled with FOG or solids. First, I would like to start by saying Happy Holidays and New Year to all. grease trap shall not be made of steel or stainless steel. (pounds). This is not compliant with the IPC since the code does not allow double trapped fixtures. {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. Hunters Curve doesnt work because it is intended for water flow rates, not drainage. If your grease interceptor is undersized, you may be required to clean it out more often until you install a properly sized unit. It looks like your browser does not have JavaScript enabled. 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. Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. HGIs are generally made from lined steel and are much smaller than gravity grease interceptors. Plus, since our new president was just elected, nobody knows what we have in store for 2017 lets hope it is good! Older service trucks have weaker vacuums, and theres no telling who will show up. 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. ASME A112.14.3, CSA B481.1 and meeting the requirements of both IPC and UPC . It depends on which model plumbing code applies to the installation. 0 Los Angeles County grease interceptor detail. endstream endobj 979 0 obj <. WC2FJYFj 8,V 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. Wastes from industrial hb```b`0 B,@Q@g4l0>' #4pKU"[L[uM-6 z `:0 'b e 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. . listed in rule 4101:3-15-01 of the Administrative Code. 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. A kitchen in a B&B with more than nine rooms will need installation of a grease interceptor. . {FC?X* iFWo}'R]EXe` @ 673 0 obj <> endobj To separate them from water an interceptor provides a separation chamber which allows FOG to rise to the surface. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the Director prior to GI installation. 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. ArW&-z(P\'`H"k>:/zIb GQ` Fats, oils and grease in the sewer system costs the region over $2.7 million each year. 1003.3.4 Hydromechanical grease interceptors, fats, oils and greases disposal systems and automatic grease removal devices. . For SI: 1 gallon per minute = 3.785 This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. I am hopeful that 2017 will be much better. Grease Interceptor. Our purpose is to serve and provide for our employees by being a resilient company that offers best-in-class products and services. Anyway, on to happier subjects. Purchasing an interceptor prior to IW approval exposes the purchaser to risk of rejection and replacement costs. The above diagram would not be compliant with the UPC. Grease Waste Plumbing Required Connections The following fixtures SHALL connect to the grease interceptor: Dishmachines: Low temperature chemical (e.g., chlorine) sanitizing 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 PDI G101 mandates the installation of a vented external flow control. All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. Note: CSA 481.3 -12 requires dishwashers to be discharged into a dedicated grease trap. If you do provide a vent, how do you size it? Both HGIs and GRDs are sized based on the flow rate of the waste stream in gpm. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign. 691 0 obj <>stream 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. a) All required grease interceptors shall comply with the following: 1) Material and Covers. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. (c) terminate not less than 2 000 mm above ground. Grease interceptor. nQt}MA0alSx k&^>0|>_',G! . If it is a smaller indoor interceptor, some municipalities mandate servicing every 30 days. 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. 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. Learn more . The vent on the flow control is an air intake. 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. 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. They can clog sewers and cause back-ups into homes and businesses, and overflows into the environment. 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. hbbd```b``5 )D/r`v&/A' ([bH0l-g3R ,> $^,$$ ?o 4} Okay, so let's take a look at some drawings and see what works and what doesn't. 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. plants shall be drained in accordance with the rules of the "Ohio Environmental It may also include more items than a specific set of plumbing plans may encompass. 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. standard, or any other technical publication, the specific date and title of Wastewater leaving the grease interceptor must not exceed 300 mg/L of oil and grease and 600 mg/L of solids. The sizing of common venting is specified in Table 911.3. hbbd``b`$f wqu@V&FD:Ft? [ Specs and Installation. | Change settings. %PDF-1.5 % Grease interceptors are required for all Food Service Establishments (FSEs) that do not qualify for a Low Grease Discharge Waiver (LGDW). What's important to remember about AAVs is that they only allow for the relief of negative pressure in the drainage system. 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. HyTSwoc [5laQIBHADED2mtFOE.c}088GNg9w '0 Jb TRAP REQUIREMENTS. If you have questions about the letter you received, call or email your assigned officer. There needs to be a trap and vent between the fixture and the vented flow control fitting. %PDF-1.5 % Generally speaking, most grease interceptors must be serviced at least every 90 days. (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 RETENTION CAPACITY 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). Interceptors and separators shall be designed so as not to become air bound. Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. 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 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. endstream endobj 678 0 obj <>/ExtGState<>/ProcSet[/PDF/ImageC]/XObject<>>>/TilingType 3/Type/Pattern/XStep 2048.0/YStep 1536.0>>stream Book -Volume 4, Chapter 8, Grease Interceptors or CSA B481 Series-12 may also be considered. 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. There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. 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. 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. 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. Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas. 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). 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. 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) 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. 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. 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. endstream endobj startxref HGIs greater than 500 gallons must have a 60/40 split between compartments. Code 4101:3-10-01 - Traps, interceptors and separators. processes, meat packing and food processing facilities and similar processing 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. 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.
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