b'LT ENGINEERINGCATALOGExample #2:A popular Fast Food Restaurant is being designed with The first step is to quantify all the fixtures that could a seating capacity of 50 people, a single service kitchen,receive kitchen-type waste. It is important to note that and a 24 hour operation schedule: only the fixtures that receive kitchen related waste are tabulated (not toilets, urinals, etc.) As published in IPC (D) x (MF) x (GO) x (RT) x (ST)= Table 709.1 or UPC Table 7-3, DFUs are tabulated for allSize of Grease Interceptor (gal) the plumbing fixtures.50 x 1.33 x 2 x 1.5 x 3.0 = 598.5 gallonsThe following table from UPC Section 702.0, FixtureA 750 Gallon Interceptor is selected Unit Equivalents, covers fixtures and devices not shownin Table 7-3 and is more applicable to commercial Drainage Fixture Unit Method: establishments.The DFU method of sizing typically results in a smallerExample:grease interceptor than is recommended by ParkUSA An Industrial Food Processing Plant has the following but conforms to the latest 2012 Uniform Plumbing Code.fixtures:The use of this method of sizing may result in a system that Six floor drains Wastewater Systemsrequires continuous maintenance and/or will clog facility Three hand sinkspiping and municipal sanitary systems.Two 3-compartment sinks Four 2-compartment sinksPer UPC handbook definitions, a Fixture Unit is a quantity A pot sinkin terms of which the load-producing effects on the plumbing system of different kinds of plumbing fixtures are expressed on some arbitrarily chosen scale.The fixtures are tabulated as follows:FIXTURES FLOW RATE GPM DFUS6 4 FLOOR DRAINS @ 2 DFUS EACH = 123 HAND SINKS 2 DFUS EACH = 62 3-COMP SERVICE SINKS 4 DFUS EACH = 84 2-COMP SERVICE SINKS 2 DFUS EACH = 81 POT SINKS 4 DFUS EACH = 41 DISHWASHER 4 DFUS EACH = 41 MOP SINKS 2 DFU EACH = 2TOTAL = 44A total of 44 DFUs are calculated. From the table provided above, a 1,250 gallon grease interceptor is selected.Below, current Grease Interceptor models are stated.Standard GT SizesFLOW RATE GPM MAXMAX SOLIDS MODELGRAVITYGREASECAPACITYDIMENSIONEMPTY WT. NUMBER GAL AVERAGEINTERMITTENTCAPACITYGAL INCHES LBS(1) (2) GALGT-500 500 17 26 275 174 94X52X54 9,500GT-750 750 25 38 410 260 94X52X72 9,900GT-1000 1,000 33 50 545 350 104X60X72 13,350GT-1250 1,250 42 63 690 440 110X68X72 14,650GT-1300 1,300 43 65 720 450 110X68X72 14,650GT-1500 1,500 50 75 820 530 110X68X84 16,050GT-2000 2,000 67 100 1,100 700 108X72X96 21,250GT-2500 2,500 83 125 1,375 875 156X84X84 27,050GT-2600 2,600 87 130 1,425 900 156X84X84 27,050GT-3000 3,000 100 150 1,650 1,050 156X84X96 33,150INFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 237'