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. 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. (3) Where a secondary receiver for oil is installed in conjunction with an oil interceptor, it shall be vented in accordance with the manufacturer's recommendations, and the vent pipe shall. 6111.45 ), GREASE RETENTION CAPACITY Enzymes, solvents, and emulsifiers are not permitted as they will only change the form of grease, allowing it to be carried out of the grease trap with the wastewater and deposited in the collection system. PDI G101 mandates the installation of a vented external flow control. G. Encase the interceptor in well-packed " rock, or sand . Promote longer time between cleaning to . The ret ained FOG should be regularly removed or pumped out of the interceptor. n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. Chapter 10 Traps and Interceptors - UpCodes Grease interceptor Definition: 241 Samples | Law Insider definition. Units supplied with external flow restrictors are vented on the inlet . As with the gravity grease interceptors, the sizing of the vent is ambiguous. H0FVy&K7FL+dR5e level to allow for venting. If it is a smaller indoor interceptor, some municipalities mandate servicing every 30 days. HGIs greater than 500 gallons must have a 60/40 split between compartments. Note: CSA 481.3 -12 requires dishwashers to be discharged into a dedicated grease trap. grease interceptor. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign. The above diagram would not be compliant with the UPC. 1003.9 Venting of interceptors and separators. A kitchen in a B&B with more than nine rooms will need installation of a grease interceptor. Code 4101:3-10-01 - Traps, interceptors and separators. The vent on the flow control is an air intake. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. Grease Interceptors 101 | phcppros The vent on the flow control is an air intake. A plumbing line upstream of grease interceptor. 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. 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 Both HGIs and GRDs are vented on the outlet. Wastes from industrial 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. endstream
endobj
startxref
Please see below for the updated requirements. the publication as well as the name and address of the promulgating agency are meet cleaning requirements. Methods of venting plumbing fixtures and traps in the 2021 - ICC Exception: A grease interceptor shall be provided for proper handling of liquid wastes containing grease. (2) Adjacent compartments within every oil interceptorshall be connected to each other by a vent opening. Note that HGIs are generally located recessed into the floor or on the floor below if that is possible. 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. For example, you need at least 40 lb for 20 gpm. Do not use enzymes or other agents that will allow grease to pass through the grease interceptor and into the sewer. 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. Proper maintenance is the key to meeting these limits. PDF WSSC Water Volume-Based Grease Interceptors endstream
endobj
677 0 obj
<>stream
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. 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. PDF Grease Interceptors - Wisconsin Interceptors and separators shall be designed so as not to become air bound. If there is no place to bury them outside they are often located in parking garages. PDF Interceptors - Common Questions PDF Plumbing Plan Review Checklist - Commercial Plan Review The IPC approves the use of and installation requirements for AAVs under section 918.0. endstream
endobj
679 0 obj
<>stream
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. %PDF-1.6
%
Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. 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. HOWEVER, DO NOT PURCHASE ANY GREASE TRAP WITHOUT FIRST VERIFYING WITH OUR OFFICE THAT THE SPECIFIC MODEL WILL BE APPROVED FOR INSTALLATION! These take two basic forms, hydromechanical grease interceptors (HGIs) or automatic grease removal devices (GRDs). Specs and Installation. 4. refer to local plumbing code for venting, fixtures, and trap requirements. endstream
endobj
979 0 obj
<. Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas. . Then again, thats how I prefaced my December 2015 article, so luck has certainly not been on my side. This drawing shows a semi-automatic draw-off type grease interceptor but without a vented external flow control. A final requirement is that water flowing through a grease interceptor must not have a temperature above 180F. Determining the gpm is tricky since the piping is sized based on fixture units. Interceptors ( clarifiers) (including grease, oil, sand, solid interceptors, etc.) serving chemical waste systems shall not be prohibited. processes, meat packing and food processing facilities and similar processing Grease interceptor. We use cookies to provide you with a better experience. 2y.-;!KZ ^i"L0-
@8(r;q7Ly&Qq4j|9 There are the large gravity grease interceptors, concrete for many years, but made of plastic in more recent years. The location of gravity grease interceptors is critical. PDF Grease Interception in The Plumbing Code - Apwa 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. 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. 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. Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. Book -Volume 4, Chapter 8, Grease Interceptors or CSA B481 Series-12 may also be considered. The sizing of common venting is specified in Table 911.3. Have two years of records on hand and available for inspection. 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. As waste water flows through a kitchen's plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) SPS 382.34(5)(c) (c) Exterior grease interceptors. If your grease interceptor is undersized, you may be required to clean it out more often until you install a properly sized unit. F. Concrete or finishing material requirements are to be determined by the specifying engineer. I, and many others, have written about grease interceptors, probably because their design requirements are quite vague and interpretation varies all over the map. in size, or can be sized in accordance with the manufacturers recommendations. 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. (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. ArW&-z(P\'`H"k>:/zIb GQ`
plants shall be drained in accordance with the rules of the "Ohio Environmental As waste water flows through a kitchens plumbing (3-compartment sinks, prep sinks, mop sinks, dishwashers, floor drains, etc.) 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. PDF Grease Interceptor Sizing and Installation Guidelines - Tacoma Permits %PDF-1.6
%
. You can ask Metro Vancouver to review your installation plan. Drum traps used as solids interceptors and drum traps Again, there is nothing wrong with this installation, though it may not be immediately obvious as to why. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the Director prior to GI installation. 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 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. Does the unit need a running trap as shown in the 25-year-old detail by the county of Los Angeles? GREASE INTERCEPTORS - Zurn hbbd``b``Lq ( $?a`bd2)f`$@o n
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. Grease Waste Plumbing Required Connections The following fixtures SHALL connect to the grease interceptor: Dishmachines: Low temperature chemical (e.g., chlorine) sanitizing e.) Venting is recommended on both the inlet and outlet side of the interceptor, or as governed by local code. 2021 International Plumbing Code (Ipc) | Icc Digital Codes 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. If such is the case, they should be piped to the vent system and not left plugged, otherwise it may void the interceptor warranty. (See sections (d) do not connect to each other or any other vent pipe. 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. Keep a record of grease interceptor cleanouts and maintenance activities. 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. 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. %%EOF
not required in garage floor drains in one-, two-, and three-family (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. WC2FJYFj 8,V
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. 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. Older service trucks have weaker vacuums, and theres no telling who will show up. 2018 International Plumbing Code (Ipc) | Icc Digital Codes Please turn on JavaScript and try again. Grease Interceptor Requirements - Metro Vancouver Regional District These large central units are often buried outside or hidden in a parking garage. Vent the grease interceptor on the inlet side. which the wastes are to be discharged. p*
1nrkt`N=e
_phk$k0Ja+JPGcG6J E $9 !'3e`AsXBDttxapi C"$> iF`L_i6c8rf`b0 ,_t
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. 978 0 obj
<>
endobj
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). First, I would like to start by saying Happy Holidays and New Year to all. The vent on the flow control is an air intake. It can be done either way with dramatically different results. %%EOF
L/m, 1 pound = 0.454 kg. (See Article 2.5.5.2 for venting requirements for oil interceptors.) This includes: restaurants, fast-food operations, cafeterias, hospitals, bars, grocery stores, bakeries, coffee shops, butcher shops and other similar operations that handle food. 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. Vy@
ggJ 1G0 V`JLX_HiNg` Tj
Copyright | Privacy Statement. 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
Hunters Curve doesnt work because it is intended for water flow rates, not drainage. plumbing from approved fixtures as required in district standards . hbbd```b``vA$S+^$Al$k9HD+D "_&) rB8H02UzeQ , ` `q'"& O@5 M_*! T!
endstream
endobj
startxref
0
%%EOF
177 0 obj
<>stream
Section 890.510 - Grease Interceptor 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. The Ontario Building Code | Venting of Interceptors Generally speaking, most grease interceptors must be serviced at least every 90 days. What's important to remember about AAVs is that they only allow for the relief of negative pressure in the drainage system. This very simple concept allows two traps to be vented by the same vent. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. 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. 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. 78. This checklist is provided as a reference tool and it is not intended to be exhaustive of all possible plumbing requirements. Product Details - Endura Grease Interceptors (5) Every vent pipe that serves an oil or grease interceptor and is located outside a building shall be not less than 3 in. Grease interceptor means a multi - compartment . Referenced Codes: 2021 Uniform Plumbing Code (UPC) 2021 International Energy Code Compliance (IECC) 14420 ,J 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. I dont know about you, but, for me, 2016 was a very difficult year, and I am not sorry to see it go. 0
Building Drainage | Grease, Oil and Solid Interceptors - Zurn 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 . There needs to be a trap and vent between the fixture and the vented flow control fitting. 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. 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. TRAP REQUIREMENTS. Use our online tool to determine what size grease interceptor you need, Grease Interceptor Installation Plan - Request a Metro Vancouver Review. It may also include more items than a specific set of plumbing plans may encompass. Our purpose is to serve and provide for our employees by being a resilient company that offers best-in-class products and services. 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. They can clog sewers and cause back-ups into homes and businesses, and overflows into the environment. 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 INTERCEPTOR (TYPICAL: 750 GALLON MINIMUM) - Vallejo Wastewater In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. 673 0 obj
<>
endobj
Metro Vancouver bylaw enforcement officers may inspect your grease interceptor and your maintenance records. Purchasing an interceptor prior to IW approval exposes the purchaser to risk of rejection and replacement costs. `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:;
f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. . Grease interceptors function using gravity and coalescence as a means of separation. Austin Waters Office of Industrial Waste (IW) modified its grease interceptor policies in April 2021. Los Angeles County grease interceptor detail. There are no moving parts, but there is a series of baffles that catch the grease in the waste stream creating a hydromechanical process. 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. If you use this piece of equipment, I would get the vendor involved in the sizing. YY IpnnN$cG!v,:9g]7.x:Rtxr^-hZe\&_yVnC D0f0bH9 1_`cG\>L(&o(cmK
T07( 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. and 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. An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. Is it half the size of the connected waste piping? State regulations are updated quarterly; we currently have two versions available. 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. If you are installing a grease interceptor, use our online tool for correct sizing. Manufacturer's want to provide guidance for a broad range of installations without providing detailed drawings for every single installation variable that can exist. Privacy Statement
PDI G101 mandates the installation of an vented external flow control. . 2. minimum size of grease trap is 35 mgd and 70 lbs. 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. %PDF-1.5
%
Most of you reading this know that there are different styles of grease interceptors. PDF Guidelines for Precast Concrete Grease Interceptors 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) . endstream
endobj
1047 0 obj
<. If you use this chart, I would use the one-minute column, or your interceptor might be undersized. If you have questions about the letter you received, call or email your assigned officer. Exception: The letter will specify a minimum frequency. 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). Grease interceptors must be selected according to our: The service provider can provide advice on how to configure a solution for your specific situation. Greases, fats and oils are about 89 or 90% of the weight of water. Below is a comparison between our most recent version and the prior quarterly release. nQt}MA0alSx k&^>0|>_',G! Wastewater leaving the grease interceptor must not exceed 300 mg/L of oil and grease and 600 mg/L of solids. (c) terminate not less than 2 000 mm above ground. 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 . 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.].