grease management grease trap maintenance...call a plumber to snake or hydro-flush your sewer...
Post on 12-Jul-2020
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Grease Management
Your Grease Trap may look different.
Grease TrapMaintenance
What is the Purpose of a Grease Trap?• AgreasetrapisdesignedtoseparateFats,Oils,andGrease(FOG)andsolidfoodwastefromyourkitchenwastewater.
• BuildupofFOGandsolidfoodwasteinyourplumbingmaycauseblockagesineitheryourplumbingorthesanitarysewerlines.Thiscanleadtoanoverflowintoyourbuilding,aneighbor’sbuilding,streets,ortheenvironment.Itisimportanttocleanyourgreasetrapregularly.
Cleaning Frequency• Greasetrapsshallbe cleaned at
least once every 30 days.Morefrequentcleaningmaybenecessaryif:
• Yoursinksaredrainingslowly,possiblyduetobuildupsinthetrap.
• Waterlevelsinthetraporfloordrainsarehigh,possiblyduetogrease-relatedblockagesinyourplumbing.
• Thegreasetrapsmellsbadbecausesolidsarefillingthebottomofthetrapquickly.
• Yourtrapisnotsizedcorrectlyforyourrestaurantoperations,menu,ornumberofmealsserved.
Twenty-Five Percent Rule• Clean the trap when it is twenty-
five percent (25%) full of FOGand solid food waste or within30 days of the last pumping,whichever comes first.
Grease in the system causes problems in storm drains and sanitary sewers — and increases your operating costs.
Common Problems Leading to Grease Trap Repair or Replacement• Greasetrapinstalledbackwards,withoutflowcontrols,orotherwiseinviolationofplumbingcodesormanufacturerspecifications.
• Missingordamagedparts,suchastheremovablebaffleplates.
• Leaksduetorustholesorpuncturesinthewallsorfloors.
• Illegalconnectiontothedishwasherorgarbagegrindertothegreasetrap.
Grease Trap
Kitchen Best Management Practices (BMPs)• Scrapinggreaseandfoodwastetothegarbagebeforewashingdisheswillminimizetheamountofgreaseandsolidsgoingintothegreasetrapandwilloftenimprovetrapperformance.
Tips on Routine Grease Trap Maintenance• Toensurepropermaintenance,werecommendusingaprofessionalgreasehaulingcompany.
• Cleaningconsistsofemptyingtheentiretrap,includingFOG,wastewater,andsolidfoodwaste;makingsuretheremovablebaffleplatesandpartsarethoroughlycleanedandreplacedproperlyaftereachcleaning.
• Keepamaintenancelogsheetpostednearthegreasetrapifyouself-cleanthetrap.
• Melticeinthesinkplumbedtothegreasetrapanhourortwobeforecleaning.Thishelpscoolandhardenthegreaseinthetrap,makingcleaningeasierandreducingodors.
• Haveanextragasketavailableforyourgreasetraplidanduse allenscrews(whichresiststripping)tosecurethelid.
• Runyourhoodfansduringcleaningtoreduceodors.
• Callaplumbertosnakeorhydro-flushyoursewerlateral(plumbing)pipestothestreetperiodicallytoremoveanyblockages.
• Ifyouchoosetoself-cleanyourgreasetrap,pleaseseethe"HowtoCleanYourGreaseTrap"posterforguidance.
Dishwasher or
garbage grinder
waste must
NOT flow to
the trap!
Failure to maintain records on site for a minimum of three years is a violation of your local sewer ordinance and may result in fines. See the
“Grease Control Device Maintenance Recordkeeping” factsheet for more information.
InaccordancewiththeAmericanswithDisabilitiesAct,CityofMilpitas Department of Public Worksmaterialscanbemadeavailableuponrequestinalternativeformats,suchasBraille,largeprint,audiotapeorcomputerdisk.Requestsmaybemadebycalling(408)586-2600(voice) or(800) 735-2929(CaliforniaRelayService).
For more information:CityofMilpitas Department of Public Works Fats, Oils, and Grease Program 455 E. Calaveras Blvd.Milpitas, CA 95035 (408) 586-2600www.ci.milpitas.ca.gov
If you have any questions, please call (408) 586-2600 to speak with an Administrator.This and other outreach materials are available at:
www.ci.milpitas.ca.gov/milpitas/public-works-department-home-page/sewer-home-page/public-works-sewer-fog
Discharging anything, including oil, grease
waste, wash water, or rinse water to the
storm drain system is a violation of the local
sewer use ordinance.
Discharging used cooking or deep fryer oil, rotisserie
fat, or solid food waste into kitchen sinks, mop
sinks, and floor drains in your kitchen that are
connected to the sanitary sewer system is a violation of your local
sewer use ordinances.
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