grease interceptor venting requirements

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. 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. 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 More comparison features will be added as we have more versions to compare. Exception: 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. You can ask Metro Vancouver to review your installation plan. Please turn on JavaScript and try again. Grease Interceptor Design Requirements | Johnson County Kansas Do you have an interesting or questionable installation you can share? %PDF-1.5 % Is it half the size of the connected waste piping? A grease interceptor is not required where only one auto . 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; Chapter 10: Traps and Interceptors, 2021 Oregon Plumbing - UpCodes Grease Interceptor Sizing and Installation Guidelines - NY Engineers Accept all cookies 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.) Grease interceptor Definition: 241 Samples | Law Insider the last fixture serviced, and the inlet of the interceptor. An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. 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([? 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. All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. SPS 382.34(5) - 6/29/01 Is a grease interceptor required for an "auto fry"? Manufacturer's want to provide guidance for a broad range of installations without providing detailed drawings for every single installation variable that can exist. . not required in garage floor drains in one-, two-, and three-family Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. If your grease interceptor is undersized, you may be required to clean it out more often until you install a properly sized unit. endstream endobj 1047 0 obj <. 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. 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. ArW&-z(P\'`H"k>:/zIb GQ` 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.]. PDF WSSC Water Volume-Based Grease Interceptors Or do you size it based on the number of fixture units connected upstream? processes, meat packing and food processing facilities and similar processing 1093 0 obj <>stream It looks like your browser does not have JavaScript enabled. 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. First, I would like to start by saying Happy Holidays and New Year to all. F. Concrete or finishing material requirements are to be determined by the specifying engineer. PDF BILL NO. 2020- ORDINANCE NO. - Las Vegas If you are installing a grease interceptor, use our online tool for correct sizing. . The ret ained FOG should be regularly removed or pumped out of the interceptor. Grease Interceptor. . 992 0 obj <>stream I am hopeful that 2017 will be much better. 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. 14420 ,J n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. ), GREASE RETENTION CAPACITY 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. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. in size in areas where it may be subject to frost closure. This installation would be compliant with both the IPC and the UPC. As the waste stream flows through the orifice in the flow control device negative pressure is created, drawing in air from the air intake which is intended to mix with the waste water as it enters the grease interceptor aiding in separation efficiency. Wisconsin Legislature: SPS 382.34(5)(c)2.b. You would think after being around so long that the plumbing associated with these units would be long established and well defined, but it is not. grease interceptor. 2y.-;!KZ ^i"L0- @8(r;q7Ly&Qq4j|9 The Ontario Building Code | Venting of Interceptors PDF Plumbing Plan Review Checklist - Commercial Plan Review Determining the gpm is tricky since the piping is sized based on fixture units. which the wastes are to be discharged. (6) Every grease interceptor shall have a vent pipe that is not less than 1 in. However, since PDI created this procedure, the health departments of the country have mandated indirect waste connections on prep sinks and the like, so drain down time cannot be controlled. Copyright | Privacy Statement. Since the interceptor comes with a flow control in the inlet, if your drainage flow rate exceeds the rating of the interceptor the waste will back up and end up on the floor. hbbd``b`$f wqu@V&FD:Ft? [ (c) terminate not less than 2 000 mm above ground. Note: Drawings are for reference only. endstream endobj 677 0 obj <>stream 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. of the Revised Code. . hbbd```b``5 )D/r`v&/A' ([bH0l-g3R ,> $^,$$ ?o 4} 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. 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. ASME A112.14.3, CSA B481.1 and meeting the requirements of both IPC and UPC . A space is needed at the bottom for sludge . Okay, so let's take a look at some drawings and see what works and what doesn't. {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. Since all semi-automatic draw-off grease interceptors are certified to either PDI G101 or ASME A112.14.3 Type A (that I am aware of) an external vented flow control must be shown for compliance with the IPC. 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. A final requirement is that water flowing through a grease interceptor must not have a temperature above 180F. Section 890.510 - Grease Interceptor Requirements, Ill - Casetext %%EOF A plumbing line upstream of grease interceptor. This is best done with an empty grease interceptor. (d) do not connect to each other or any other vent pipe. Where to buy. 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. Grease Interceptors 101 | phcppros (Adobe PDF). Book -Volume 4, Chapter 8, Grease Interceptors or CSA B481 Series-12 may also be considered. and View contact information for grease trap manufacturers (Adobe PDF) that are familiar with these criteria. If it is a smaller indoor interceptor, some municipalities mandate servicing every 30 days. If you have questions about the letter you received, call or email your assigned officer. 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 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. Referenced Codes: 2021 Uniform Plumbing Code (UPC) 2021 International Energy Code Compliance (IECC) The IPC approves the use of and installation requirements for AAVs under section 918.0. 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. Drum traps used as solids interceptors and drum traps These take two basic forms, hydromechanical grease interceptors (HGIs) or automatic grease removal devices (GRDs). Failure to service a grease interceptor on a routine and timely basis can result in complete back-up of the kitchens plumbing system. The letter will specify a minimum frequency. Grease interceptor. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. For example, you need at least 40 lb for 20 gpm. 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. 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. (8) Where an acid waste dilution tank is installed, it shall be provided with a vent pipe connected at the top of the tank and that is sized in accordance with Article 7.5.7.7. 2. minimum size of grease trap is 35 mgd and 70 lbs. What's important to remember about AAVs is that they only allow for the relief of negative pressure in the drainage system. If the device serves only one fixture like a pot sink,it can often sit above the floor. 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) Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. (See sections We can help with questions about the technical requirements of the regulation. 6111.45 Anyway, on to happier subjects. I dont know about you, but, for me, 2016 was a very difficult year, and I am not sorry to see it go. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the Director prior to GI installation. (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. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. Do not use enzymes or other agents that will allow grease to pass through the grease interceptor and into the sewer. %PDF-1.6 % This material is COPYRIGHT QUEEN'S PRINTER FOR ONTARIO, 2008-2018. `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:; f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? Grease interceptors shall be constructed of durable, corrosion-resistant materials and shall have water-tight covers securely fastened in place. 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. GREASE INTERCEPTORS - Zurn PDF Grease Interceptors - Wisconsin If a grease interceptor needs to be installed, replaced or fixtures need to be connected, call a plumber or other service provider. 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. wG xR^[ochg`>b$*~ :Eb~,m,-,Y*6X[F=3Y~d tizf6~`{v.Ng#{}}jc1X6fm;'_9 r:8q:O:8uJqnv=MmR 4 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. level to allow for venting. Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas.

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