Trapzilla grease interceptor and solid separators specification sheets trapzilla trapzilla specification cut sheets javascript seems to be disabled in your browser. Detail drawing grease trap three compartment sink with grease trap grease traps shall have flow control restrictor and be vented a separate grease trap is required for each commercial dishwasher. The standard grease interceptor shall be constructed with a minimum of two baffles. In such cases, engineering drawings and supporting performance data must be submitted to and approved by the director prior to.
Model grease capacity rating certified flow rate specification sheets cad drawings. It is recommended that you always check with your plumber and local grease trap company for. These mechanisms are timedependent, so the design of the tank must allow for an appropriate amount of retention time and for a calm environment beneath the liquid level. If you choose a twominute drainage period, you would need a 10 gpm rated grease trap. Included within, but not limited to, the scope of this definition are building sewers, grease traps, septic tanks, dosing tanks, absorption fields, perimeter drains, vault privies, and temporary holding tanks sewage.
Sewer network blockages show a build up of fat in the sewer near the dischargers lateral. Size the interceptor large enough that when the fluid passes through the system it is slow enough to allow. Oct 02, 2017 grease traps vary in size, with smaller variations designed to connect individual sinks and larger ones installed to service larger facilities. This research aimed to develop a conceptual design of a passive grease trap for wastewater management system. Design the following dosing equations are taken from the manual for onsite sewage management systems published by the georgia department of human resources division of public health and is used by gcdwr. The purpose behind this design is to slow down the flow of. Certain designed features of a collection system can contribute to fog by acting like a grease trap. Grease guardian is an automatic grease removal unit that helps in removing grease that build up and create blocking. Common wastewater contains small amounts of oils which enter into septic tanks and treatment facilities. Common wastewater contains small amounts of oils which enter into septic tanks and treatment facilities to form a floating scum layer. Adobe pdf view contact information for grease trap manufacturers adobe pdf that are familiar with these criteria.
Water temperatures must be less than 120 degrees prior to entering grease trap. Gravity grease interceptor sizing derived from the 2012 uniform plumbing code, table 1014. The ity of eaumont water utilities department approves of the following sample wellsample port design. Grease interceptor installation planning town of cary. Grease trap means a tank designed to intercept, congeal, and retain or remove fats, oils, and grease fogs from sewage. A sample of the grease trap discharge shows a fog value above 500gm3. The most common design for a grease trap is to have two chambered tank arranged in such a way that it is lined along the wastewater drain pipe. Portable grease trap for wastewater management system. Frequency of cleaning depends on the size of the trap and the amount of incoming grease. This chapter explains the applicability of the spcc. Standard product design and grease trap specifications. Sewer use and drainage permits denver development services. Pdf portable grease trap for wastewater management system. New york state department of environmental conservation.
Grease traps are to be installed at a minimum distance of 10 ft. Onsite wastewater treatment systems is specific in recommending the use of hot water and proximity to the source to enhance retention of fat oil and grease fog. Grease interceptors are to be installed at a distance of 810 meters from the last contributing fixture to allow for adequate cooling of the wastewater, while preventing grease solidification in the lines. Grease traps vary in size, with smaller variations designed to connect individual sinks and larger ones installed to service larger facilities. Grease interceptor sizing using upc city of milpitas. Gt2700 grease interceptor recommended for removing and retaining grease from wastewater in kitchen and restaurant areas where food is prepared. The definition of a grease trap is a trap in a drain or waste pipe to prevent grease from passing into a sewer system. Dec 08, 2017 grease traps are sized according to the rate of incoming flow, in gallons per minute gpm. The outlet pipe has a tee that allows the internal discharge to. Provide a forum for discussion of common design issues. This serves a great need for the restaurant industry where it is mandatory to have grease traps or grease interceptors. Romold grease trap has a very innovative and unique design which utilizes product volume optimally to achieve. As wastewater enters a trap the water slows and the grease.
Grease interceptor location proximity to kitchen, service, potential odors type of installation onfloor, infloor, exterior type of fixture connection direct, indirect infield grease interceptor installation inspections. Grease trap is corrosionresistant coated fabricated steel with nohub connections, flow diffusing baffle, integral trap, and vented inlet flow control device. Grease trap manufacturers spec sheet with make, model, design. Dec 03, 2019 a grease trap is a device designed to filter kitchen wastewater before it enters the sewer system. The grease trap size is not adequate for the activity taking place on site. Pdf portable grease trap for wastewater management. Aco grease trap agt40 data sheet aco grease trap agt40 grease separator for commercial kitchens y stainless steel aco grease trap agt40 main advantages guide regular maintenance of grease trap in the kitchen stationary leveling legs are included out of the kitchen mobile wheels on request as additional accessory. Each interceptor should be installed and connected so that, at all times, it is easily accessible for inspection, cleaning and maintenance. Grease traps accumulated grease at the top of middle compartment need to be cleaned periodically by collecting grease through the outlet provided on the grease trap body. All grease bearing waste streams should be routed through an appropriate. It is essential for minimizing blockages and for a trouble free long lasting waste water system in your house. In a restaurant or commercial kitchen, a change to the type of cuisine served, an increase in seating capacity, or a change in the cooking appliances could all have an impact on grease interceptor sizing. Grease interceptors orange county sanitation district.
Title microsoft word grease interceptor sizing calculation sheet fp. The hydromechanical grease interceptor design type incorporates air entrapment, the buoyancy of grease in water and hydro mechanical separation with interior baffling for grease, fog fats, oils and grease separation. A grease trap also known as grease interceptor, grease recovery device, grease capsule and grease converter is a plumbing device a type of trap designed to intercept most greases and solids before they enter a wastewater disposal system. D number of seats in dining area gl gallons of wastewater per meal, normally 5. View a conceptual drawing of a typical grease trap design. Smaller grease traps often have 3 baffle plates but inspection often reveals one or more missing. The outlet pipe has a tee that allows the internal discharge to be located within 0. Appendixo entitled, grease traps, is an excerpt originating from section d pretreatment found within. Grease trap design specifications are set by varying local water authorities throughout australia. A grease trap is designed to prevent greasy substances from entering plumbing systems, septic tanks, and waste water treatment facilities where they are difficult to process and may create a number of environmental problems.
The installation and use of a grease interceptor that is properly designed and sized for the type and size of the facility, is an important measure in ensuring that. Charts, formulas, and calculations are used to determine grease trap sizing and capacities. Grease trap designthe minimum requirements for a grease trap. Hydromechanical grease interceptors continuously separate the fog fats, oils and grease at the velocity it enters the. Our precast concrete grease interceptors comply with applicable sections of the 2015 michigan and international plumbing code. The grease trap capacity for fats, oils and grease is exceeded. Grease trap box 1 aisi 304 grease trap top cover 2 sediment bucket 3 aisi 304 cover for outlet chamber 4 rubber epdm gasket l537 5 rubber epdm gasket l367 6 pvcpiping upvc pipe 112, l50mm. A grease trap is designed to physically separate grease and solids from kitchen wastewater. Grease trap and grease interceptor standards greater augusta. These substances cause sewer backups, blockages, and sanitary sewer overflows. The approved design for grease traps shall be as follows.
Ashirvad introduces three different grease traps for the indian market. Grease traps usually consist of an underground, watertight, concrete tank with baffled inlet and outlet piping. It is the intent of these gaud grease trap and grease interceptor standards to provide specific standards for grease trap location, design, installation, construction, operation and maintenance of new and existing grease traps and interceptors so as to comply with applicable federal, state and local discharge standards. Design guidelines for grease interceptors the installation and use of a grease interceptor that is properly designed and sized for the type and size of the facility, is an important measure in ensuring that the facility does not contribute to the problems with the sewer system or experience backups in the facility itself. Food grinder it is highly recommended that a solids interceptor be used in conjunction with the grease interceptor,especially when. Romold grease trap is the perfect solution to prevent greasecooking oil of your kitchen from entering your waste water system. They can be located above ground, below ground, inside the kitchen or outside the building.
Grease interceptors from ashirvad provide kitchen and hotel operators the best value and performance in the market today. Fats, oil and grease fog best management practices bmps food service establishments can. Grease interceptors work to remove fog and other materials through separation by gravity or flotation. The size of the grease trap depends on the anticipated flow rate, water temperature, and. The well must be sized to fit a one liter jar in the waste stream to collect a sufficient volume of wastewater sample. A grease trap is an engineered device designed to remove spent fats, oils and grease fog and associated solids and debris from food service establishment. All drawings must bear the stamp of a professional engineer. Grease trap requirements please refer to the grease management ordinance, section 154297.
Page 7 installation installation is no less critical than design for efficient operation of a grease interceptor. Grease trap p trap fl to drainage line grease outlet. With no moving parts or heating elements, the ashirvad grease trap works on hydro mechanical principles and has very high efficiency rates. Food service establishment manual for design, installation and construction appendixq grease traps figure p5 typical single fixture installations note. Aco grease trap agt40 data sheet aco grease trap agt40 grease separator for commercial kitchens y stainless steel aa 1. Grease traps maintenance guide 070508 environment nsw. In cases where onsite sewage management systems are to be utilized for disposal of. Once youve removed the lid, take note of where each part of the grease trap is located. Provide an overview of the basic design principals that govern why gravity grease interceptors work. Creating a grease trap diagram can help you keep track of the traps interior. The grease to rise up into the top grease zone the heavier food particles to settle down into the bottom 1 ft. Facilities with existing grease traps are required to provide asbuilt drawings of the grease trap all existing grease traps require field verification prior to plan approval.
Trap size inch drainage fixtureunit value gpm equivalent pdi size grease interceptor 1 14 1 7. The minimum requirements for grease trap design are. Grease interceptor guidelines presentation bartow precast. A restaurant grease trap is often specified for a pot washing stainless steel sink or a dish machine. A grease trap is in simple terms a plumbing fixture that contains. Aed design requriements grease trap design i table of contents. Gravity grease interceptor design national precast concrete. Please contact the grease program at 4045461400 to schedule an inspection.
Without a grease trap diagram for reference, it will be more difficult to properly reinstall all the parts after cleaning. The grease trapgrease interceptor shall be constructed with a minimum of two baffles. Design guidelines for grease interceptors the installation and use of a grease interceptor that is properly designed and sized for the type and size of the facility, is an important measure in ensuring that the facility does not contribute to the problems with the sewer system or experience backups in. Grease trapsgrease interceptors are to be installed at a minimum distance of 10 ft.
Introduction the city of carrollton requires grease traps or interceptors in commercial food establishments to prevent the entry of grease, fats, oils and debris into the citys sanitary sewer system. Download free, highquality cad drawings, blocks and details of grease traps organized by masterformat. The highest efficiency for removal grease, nitrite, phosphate, nitrate on grease trap at flow rate of 25 mlmin were equal to 95. Design and installation specification for inground grease interceptors this document has been created by the town of seabrook to provide useful information and general design specifications grease interceptors interceptors to be used in conjunction with the municipal sewer system. Construction materials fiberglass coated steel polyethylene sizing interceptors shall be sized according to the wssc plumbing and fuel gas code section 302. Nothing in this policy shall negate or override requirements contained in the ordinance. Underthesink type grease interceptors are under the jurisdiction of state and local plumbing codes. Effectively grease traps are boxes within the drainage system that are installed between the sinks in a kitchen and the sewer system. To get the detailed information about the product, its flow rate, volume and grease trap specifications visit us now. Under this method, the grease trap is sized according to the grease waste pipes diameter. Purpose this policy is designed to implement and enforce the oil and grease discharge rules of the sewer use ordinance chapter 23 of the charlotte city code, article iii, section 2380. A grease interceptor is a control device that is designed to collect and intercept fog and food waste from wastewater discharged from. The gravity grease interceptor design type incorporates two or more compartments in series, a minimum volume of 300 gallons and uses its larger volume of water to slow the flow velocity down allowing the time required for simply the buoyancy of grease, fog fats, oils and grease in water to cause separation. Grease trap hazards safe grease trap design, training, and maintenance, as part of an overall workplace safety and health program, can prevent grease.
Historically, metal grease traps of alternative designs have been approved for those sites needing grease traps of 250 gallons or less. Associated with this incoming flow rate is the capacity of the trap. Disposal systems gravity grease interceptors before air entrainment, when only stokes law was being employed to effect separation, the device had an interior water seal sufficient to provide gas trapping and no following trap was necessary to protect interior spaces from sewer gas. Grease trap sizing how to find the proper dimensions. Guidelines for oil and grease separators erie county sewer districts table of contents. According to the uniform plumbing code, the maximum flow rate for a waste diameter pipe is 20 gpm. For example, a study in the city of austin, texas, concluded that retention time was the single most important factor in grease separation and that precast concrete gravity grease interceptors are required for acceptable retention times. Gravity grease interceptor design national precast. Guidance for grease trap sizing and design criteria a. Also known as a grease interceptor, a grease trap intercepts and captures fats, oils and grease fog that are floating on the surface of the wastewater. Many businesses use grease traps also known as grease interceptors as part of a waste management system to prevent sewer system blockages from. Grease interceptor sizing using upc draftfinal june 6, 2017 w.
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