Again, there is nothing wrong with this installation, though it may not be immediately obvious as to why. endstream endobj 677 0 obj <>stream 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. HGIs greater than 500 gallons must have a 60/40 split between compartments. (c) terminate not less than 2 000 mm above ground. (pounds). Learn more . PDF TABLE OF CONTENTS - Watts Interceptors ( clarifiers) (including grease, oil, sand, solid interceptors, etc.) Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. Grease Interceptor. ), GREASE RETENTION CAPACITY (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. definition. This drawing shows a semi-automatic draw-off type grease interceptor but without a vented external flow control. endstream endobj startxref (d) do not connect to each other or any other vent pipe. PDF PLUMBING SAFETY Information Bulletin - Alberta 6111.45 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 Referenced Codes: 2021 Uniform Plumbing Code (UPC) 2021 International Energy Code Compliance (IECC) 2) Minimum Size. endstream endobj 679 0 obj <>stream Or do you size it based on the number of fixture units connected upstream? 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. Fats, oils and grease in the sewer system costs the region over $2.7 million each year. Grease interceptors function using gravity and coalescence as a means of separation. Grease Interceptor Requirements - Metro Vancouver Regional District A plumbing line upstream of grease interceptor. hb```Lf yAXarPw`vB/+2[aa&]eL3DT -ke&{:2CFGC`h B j` SD 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. Proper maintenance is the key to meeting these limits. ArW&-z(P\'`H"k>:/zIb GQ` More comparison features will be added as we have more versions to compare. 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. 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). 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. Greases, fats and oils are about 89 or 90% of the weight of water. 1046 0 obj <> endobj Failure to service a grease interceptor on a routine and timely basis can result in complete back-up of the kitchens plumbing system. 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. PDI G101 mandates the installation of a vented external flow control. Exterior grease interceptors shall receive the entire waste discharge from kitchens or food processing areas. Determining the gpm is tricky since the piping is sized based on fixture units. made within this rule to a federal statutory provision, an industry consensus 992 0 obj <>stream 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 Privacy Statement It may also include more items than a specific set of plumbing plans may encompass. I am hopeful that 2017 will be much better. 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. of the Revised Code. a) All required grease interceptors shall comply with the following: 1) Material and Covers. 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. 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. 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
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