Determining the correct size of Grease Traps

grease and food wastes every day. If this waste isgrease traps and periodic maintenance and
not managed properly, it can cause majorinspections for specified businesses. This is because
environmental problems. Much of the waste is in soliduntrapped oil and grease in the wastewater
form and can be safely put in packages and placed indecreases pipe capacity over time and eventually will
the trash. Liquid waste containing oil and greasecause the pipe to clog. Piping systems without grease
dumped directly into the sewer, however, can blocktraps need to be cleaned more often and some
the system and cause wastewater to flow back-uppiping may have to be replaced sooner than
.To avoid this you have to install and properlyotherwise expected. Excessive grease sent to the
maintain a grease trap.wastewater treatment plant can also overload their
Grease traps capture the oil and grease from thesystem and cause the facility to exceed its allowable
flow of wastewater by slowing down the flow ofdischarge limits. Running extremely hot water down
hot greasy water through the grease trap (actually athe drain only moves the problem down stream, and
tank) and allowing it to cool. As it cools, the greasemay only make it worse. Fixing a sewer line blockage
and oil separate out of the water and float to thecan be expensive, both in terms of potentially lost
top of the trap. The cooler water continues to flowcustomers and repair cost. If the pipe clog is within
down the drain pipe to the sewer while bafflesyour building sewer line, you will be responsible for
prevent the accumulated grease and oil from flowingfixing the problem and paying all costs. If the clog is
out of the grease trap. The size of the grease trapin the public sewer line, but can be traced to your
depends largely on how much waste your businessrestaurant, you will be liable for paying all or a portion
produces and how often you perform trapof the repair costs. Accumulating the oil and grease
maintenance. Grease traps may be located inside orclose to the source in a properly maintained grease
outside of the building. Traps that are located insidetrap is the most cost-effective way.
the building tend to be smaller and require moreThere are several ways to maintain a grease trap
frequent maintenance. Traps that are located outsideand dispose of the wastes. Your decision will likely be
the building tend to be larger and may be lessbased on cost, availability of services, and disposal/
disruptive to maintain. Outside grease traps willrecycling opportunities in your area. Most restaurants
operate differently in winter versus summer and arehire a professional pumping service to remove the
more prone to clogging during cold weather. As awaste from the grease trap and dispose of it
business owner/manager, you should know whereproperly. Some areas have service companies that
the grease trap, drain lines, and clean-outs are locatedspecialize in grease trap wastes, while other areas
at your restaurant.may have pumping contractors that service grease
Proper cleaning and maintenance of the grease traptraps, sand traps, and septic tanks. Pumping service
and drain line reduces the amount of solids andcontractors can usually be found in the yellow pages
grease going into the public sewer system andof the telephone book under the listings for "Grease
minimizes the likelihood of back-ups or blockages.Traps and Service", "Septic Tanks".
Some sanitation districts and/or municipalities require