Drain down cant be controlled to two minutes due to the presence of air gaps on many of the fixtures. This includes: restaurants, fast-food operations, cafeterias, hospitals, bars, grocery stores, bakeries, coffee shops, butcher shops and other similar operations that handle food. Copyright | Privacy Statement. 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. 986 0 obj
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Okay, so let's take a look at some drawings and see what works and what doesn't. processes, meat packing and food processing facilities and similar processing Section 890.510 - Grease Interceptor Requirements, Ill - Casetext 1003.9 Venting of interceptors and separators. 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. endstream
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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. If you do provide a vent, how do you size it? Design Criteria for Grease Interceptors | AustinTexas.gov 7.5.5.2. venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting of Interceptors. refer to local plumbing code for vent requirements on external flow control device. Do you have an interesting or questionable installation you can share? Is it half the size of the connected waste piping? A Hydromechanical Grease Interceptor (HGI) does not require to be directly vented unless specifically mandated by local code or by law. There needs to be a trap and vent between the fixture and the vented flow control fitting. State regulations are updated quarterly; we currently have two versions available. 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. a) All required grease interceptors shall comply with the following: 1) Material and Covers. The drawing shows a PDI G101/ASME Type A grease interceptor connected to a the three compartment sink that is trapped and vented, an external flow control with air intake and a vent on the downstream side of the grease interceptor. 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. %%EOF
Drum traps used as solids interceptors and drum traps shall be required by the Building Official where they are necessary for the proper handling of liquid wastes containing grease, flammable wastes, sand, solids, acid or alkaline substances, or other ingredients harmful to the building drainage system, the public or We use cookies to provide you with a better experience. 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. hUmo0+~"UKHKnG@6%-m}o~8]c"!B!\d\?C\,8wf2:4sg%
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$FZUn(4T%)0C&Zi8bxEB;PAom?W= Trapping and Venting for Grease Interceptors - IWConsultingService endstream
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If you use this chart, I would use the one-minute column, or your interceptor might be undersized. (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) in no case be less than 1 in. Grease interc eptors are installed on "gray" water drain lines and are designed to remove fats, oils and grease (FOG) from wastewater. (d) do not connect to each other or any other vent pipe. 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. Learn more . 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. This material is COPYRIGHT QUEEN'S PRINTER FOR ONTARIO, 2008-2018. Grease Interceptors 101 | phcppros It may also include more items than a specific set of plumbing plans may encompass. 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. 1002.1 Fixture traps. The Ontario Building Code | Venting of Interceptors 1003.3.4 Hydromechanical grease interceptors, fats, oils and greases disposal systems and automatic grease removal devices. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. 6111.44 {FC?X* iFWo}'R]EXe` @
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f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? . H0FVy&K7FL+dR5e 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. Below is a comparison between our most recent version and the prior quarterly release. 2018 International Plumbing Code (Ipc) | Icc Digital Codes Generally speaking, most grease interceptors must be serviced at least every 90 days. Grease Interceptor Requirements - Metro Vancouver Regional District They can clog sewers and cause back-ups into homes and businesses, and overflows into the environment. 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. Jvfv,=6b2PWYgmwxHI$tow+0f3
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If a grease interceptor needs to be installed, replaced or fixtures need to be connected, call a plumber or other service provider. It looks like your browser does not have JavaScript enabled. PDI G101 mandates the installation of a vented external flow control. The ret ained FOG should be regularly removed or pumped out of the interceptor. 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. ArW&-z(P\'`H"k>:/zIb GQ`
N')].uJr 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([? 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. 992 0 obj
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First, I would like to start by saying Happy Holidays and New Year to all. (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. Grease interceptors are sized according to the rate of incoming flow, in gallons per minute (GPM). Grease interceptors are required for all Food Service Establishments (FSEs) that do not qualify for a Low Grease Discharge Waiver (LGDW). Hunters Curve doesnt work because it is intended for water flow rates, not drainage. 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. SPS 382.34(5) - 6/29/01 Is a grease interceptor required for an "auto fry"? 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. Does the unit need a running trap as shown in the 25-year-old detail by the county of Los Angeles? 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. 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. 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. 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. (c) terminate not less than 2 000 mm above ground. L/m, 1 pound = 0.454 kg. (pounds). This drawing shows a semi-automatic draw-off type grease interceptor but without a vented external flow control. Vent the grease interceptor on the inlet side. 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. Then again, thats how I prefaced my December 2015 article, so luck has certainly not been on my side. hb```b`0 B,@Q@g4l0>' #4pKU"[L[uM-6 z
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'b 2) Minimum Size. 2.5.5.2 Venting of Oil Interceptors (See Appendix A) (See also Article 4.3.5.2. of Division . standard, or any other technical publication, the specific date and title of The letter will specify a minimum frequency. hb``Pa``b``9a 0
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. Grease Interceptor. Austin Waters Office of Industrial Waste (IW) modified its grease interceptor policies in April 2021. Los Angeles County grease interceptor detail Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. endstream
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Grease interceptors function using gravity and coalescence as a means of separation. As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) Vy@
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Have someone on site who can open the grease interceptor for inspection. e.) Venting is recommended on both the inlet and outlet side of the interceptor, or as governed by local code. Greases, fats and oils are about 89 or 90% of the weight of water. 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). This site is not an offical copy or maintitned by the Government of Ontario. You can ask Metro Vancouver to review your installation plan. If your grease interceptor is undersized, you may be required to clean it out more often until you install a properly sized unit. [Comment: When a reference is (6) Every grease interceptor shall have a vent pipe that is not less than 1 in. This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. Wastewater leaving the grease interceptor must not exceed 300 mg/L of oil and grease and 600 mg/L of solids. View contact information for grease trap manufacturers (Adobe PDF) that are familiar with these criteria. h[YoG+hc` @ek=
K;ZoR[&&yTVvUeA3+C+iJ Grease Waste Plumbing Required Connections The following fixtures SHALL connect to the grease interceptor: Dishmachines: Low temperature chemical (e.g., chlorine) sanitizing In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. %PDF-1.6
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6111.45 Interceptors and separators shall be designed so as not to become air bound. Chapter 10 Traps and Interceptors - UpCodes By continuing to use our website, you acknowledge the use of cookies. HOWEVER, DO NOT PURCHASE ANY GREASE TRAP WITHOUT FIRST VERIFYING WITH OUR OFFICE THAT THE SPECIFIC MODEL WILL BE APPROVED FOR INSTALLATION! %%EOF
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. Both HGIs and GRDs are sized based on the flow rate of the waste stream in gpm. Hydromechanical Grease Interceptors (HGI). This is best done with an empty grease interceptor. YLE&_| _fZ
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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. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. Interceptors ( clarifiers) (including grease, oil, sand, solid interceptors, etc.) . e Standards also come into play when it comes to determining the type and location of vents upstream of a grease interceptor. G. Encase the interceptor in well-packed " rock, or sand . (Adobe PDF). hbbd```b``5 )D/r`v&/A' ([bH0l-g3R
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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. serving chemical waste systems shall not be prohibited. Subscribe to our newsletters & stay updated, Grease interceptors and water conservation, IAPMO Publishes American National Standard and Canadian National Standard for Prefabricated Gravity Grease Interceptors, John Moore Hosts "Plumbing Olympics" in Houston, Franklin Electric Announces New Leadership Roles Within its Groundwater Distribution Organization, Rheem Heat Pump Surpasses U.S. Department of Energy Cold Climate Heat Pump Technology Challenge, Liberty Pumps Materials Center Open House with Charlie Cook. insize, (b) extend independently to open air, and. 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. into a grease interceptor, the FOGS are intercepted or filtered out into a large underground holding tank. An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. 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. dwellings. endstream
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If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. 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. 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. . 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. PDF PLUMBING SAFETY Information Bulletin - Alberta Both HGIs and GRDs are vented on the outlet. Our purpose is to serve and provide for our employees by being a resilient company that offers best-in-class products and services. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. "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 of the Revised Code. GREASE INTERCEPTORS - Zurn PDF Grease Interception in The Plumbing Code - Apwa 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; All exterior interceptors shall be designed and constructed in accordance with this paragraph, so as to constitute an individual structure. (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. 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. Most of you reading this know that there are different styles of grease interceptors. Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. If you use this piece of equipment, I would get the vendor involved in the sizing.
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There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. This is not compliant with the IPC since the code does not allow double trapped fixtures. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. It depends on which model plumbing code applies to the installation. 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 grease interceptor shall be provided for proper handling of liquid wastes containing grease. The sizing of common venting is specified in Table 911.3. 78. Protection Agency", or the authority in charge of the sewerage system into Again, there is nothing wrong with this installation, though it may not be immediately obvious as to why. This installation would be compliant with both the IPC and the UPC. HGIs are generally made from lined steel and are much smaller than gravity grease interceptors. Chapter 10 Traps, Interceptors and Separators - UpCodes @le&exDxX (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. 0
If there is no place to bury them outside they are often located in parking garages. endstream
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Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. Note that HGIs are generally located recessed into the floor or on the floor below if that is possible.
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