b'LT ENGINEERINGCATALOGNew plumbing codes have eliminated the term grease trap from the codeand now designated Hydromechanical Grease interceptor and GravityGrease interceptor as the two types of grease interceptors. ParkUSA sells both units, but Gravity Grease interceptors are by far the design of choice by engineers and city officials.Hydromechanical Grease Interceptors incorporate air entrapment, the buoyancy of grease in the water and hydromechanical separations with interior baffling for FOG separation. Hydromechanical units incorporate a flow-control device that controls velocity as it enters the interceptor.These are typically smaller interceptors installed indoors in the floor or under-the-sink. Hydromechanical grease interceptors require cleaning every two to four days and are typically cleaned by kitchen personnel. City health departments haveGTconcerns regarding proper cleanout and accurate documentation of maintenance. Many major cities have prohibited the installation of hydromechanical interceptorsWastewater Systemswithin food preparation areas without special variances.Hydromechanical units are sized by determining flow-through rate (gpm) at peak demand for each fixture draining into the unit. Check with the local AHJ before specifying Hydromechanical units to determine if the jurisdiction allows thesetype units.Gravity Grease Interceptors incorporate two or more compartments in series and use its inherent larger volume to maximize the pretreatment of the wastewater.By comparison, the Gravity Interceptor is more effective because of its larger volume that acts as a heat-sink. This allows for temperature differential (cool down) and more retention time of the greasy liquid to promote separation and coagulation of FOGs from the wastewater. The Gravity Interceptor also allowsfor solids retention from food grinders. GTSGravity grease interceptors are generally located outdoors away from the kitchen areas. This eliminates the health department concerns regarding maintenance and disposal of FOGs. Recent findings by EPA of SSOs in cities and accompanying fines have caused states and municipalities to require haulers of grease to be registered. Owners are required to maintain documentation of pump-out for review by the health department.GREASETROOPER MODELSParkUSA GT, typically, this Series of Interceptor is the most economic and preferred choice over all other interceptor types. The Park GT Series Interceptor is manufactured of Class II 4500 PSI precast concrete offering superior structuralGTFstrength and longevity. As an option, the interceptor can be equipped with a variety of interior chemical proof liners including PVC.ParkUSA GTS, this series is a steel unit and is recommended for applications where the grease interceptor is installed in a freestanding position, i.e., ina basement or on a slab.ParkUSA GTP, this model is manufactured from high-density polyethylene(HDPE) material and is corrosion resistant and lightweight for above or below ground installations.ParkUSA GTF, this model is manufactured from fiberglass reinforced polyesterGTP(FRP) material and is corrosion resistant and lightweight for above or below ground installations. INFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 235'