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Determining the correct size of Grease Traps

grease and food wastes every day. If thisgrease traps and periodic maintenance and
waste is not managed properly, it can causeinspections for specified businesses. This is
major environmental problems. Much of thebecause untrapped oil and grease in the
waste is in solid form and can be safely putwastewater decreases pipe capacity over time
in packages and placed in the trash. Liquidand eventually will cause the pipe to clog.
waste containing oil and grease dumpedPiping systems without grease traps need to
directly into the sewer, however, can blockbe cleaned more often and some piping may
the system and cause wastewater to flowhave to be replaced sooner than otherwise
back-up .To avoid this you have to installexpected. Excessive grease sent to the
and  properly  maintain  a  grease  trap.wastewater treatment plant can also overload
their system and cause the facility to exceed
Grease traps capture the oil and grease fromits allowable discharge limits. Running
the flow of wastewater by slowing down theextremely hot water down the drain only moves
flow of hot greasy water through the greasethe problem down stream, and may only make it
trap (actually a tank) and allowing it toworse. Fixing a sewer line blockage can be
cool. As it cools, the grease and oilexpensive, both in terms of potentially lost
separate out of the water and float to thecustomers and repair cost. If the pipe clog
top of the trap. The cooler water continuesis within your building sewer line, you will
to flow down the drain pipe to the sewerbe responsible for fixing the problem and
while baffles prevent the accumulated greasepaying all costs. If the clog is in the
and oil from flowing out of the grease trap.public sewer line, but can be traced to your
The size of the grease trap depends largelyrestaurant, you will be liable for paying all
on how much waste your business produces andor a portion of the repair costs.
how often you perform trap maintenance.Accumulating the oil and grease close to the
Grease traps may be located inside or outsidesource in a properly maintained grease trap
of the building. Traps that are locatedis  the  most  cost-effective  way.
inside the building tend to be smaller and
require more frequent maintenance. Traps thatThere are several ways to maintain a grease
are located outside the building tend to betrap and dispose of the wastes. Your decision
larger and may be less disruptive towill likely be based on cost, availability of
maintain. Outside grease traps will operateservices, and disposal/ recycling
differently in winter versus summer and areopportunities in your area. Most restaurants
more prone to clogging during cold weather.hire a professional pumping service to remove
As a business owner/manager, you should knowthe waste from the grease trap and dispose of
where the grease trap, drain lines, andit properly. Some areas have service
clean-outs  are  located  at your restaurant.companies that specialize in grease trap
wastes, while other areas may have pumping
Proper cleaning and maintenance of the greasecontractors that service grease traps, sand
trap and drain line reduces the amount oftraps, and septic tanks. Pumping service
solids and grease going into the public sewercontractors can usually be found in the
system and minimizes the likelihood ofyellow pages of the telephone book under the
back-ups or blockages. Some sanitationlistings for "Grease Traps and Service",
districts and/or municipalities require"Septic Tanks".



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