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Grease Trap Information
Costs, What Do I Need to Know

Need a Grease Trap Installed, Replaced or Repaired?

Please feel free to give us a call or email and we will be happy to advise you on the requirements.

Common Concerns Regarding Grease Trap Installations

Installing the Grease Trap tank whether above or below the ground is only about 60% of the job completed when is comes to gaining the appropiate approvals from the local Water Authority and the Trade Waste Inspection Department.

Extras in relation to grease traps installation can be varied and many.

  • Some of the grease trap extras involve the designing of the drainage and the venting system which is unique to grease trap installations.
  • Trade Waste which is what the grease from your commercial kitchen is now classified as needs to be unable to contaminate the drinking water supply.  In this case the Australian Standards require that Water protection devices or what is called Backflow Prevention Devices are installed.  Most Businesses require 2 of these devices.
  • Floor waste drainage components called Solid Basket Traps, Basket Traps or Brasket Strainers are also required.

Our aim is to provide you with a quotation that will totally fullfill and meets all of the Local Water Authority approvals. You may feel that our quote is higher then others that have priced your job but we can assure you that we do not hide information with the purpose of gaining variations later or mislead you.

Variations that may come up are only if you change your plans or we hit rock or obstacles like electrical pipes that prevent the work from carrying on as per the origional plans during excavation work. These are mentioned in all of our quotations.   All of our prices are open from the beginning so you are aware of the total cost to gain the appropriate approvals.

Looking forward to hearing from you soon.

Scooper Plumbing has the experience to install all types of Grease Traps in many different property layouts. Grease Trap Systems that you may be aware of are below ground and above ground grease trap tanks.  We have also installed Grease Traps on the top of a building once to others that are just behind the commercial kitchen wall.  We are able to work out the best possible way for a Grease Trap to be installed at your business keeping upfront and ongoing cost in mind.

Whether you choose to use Scooper Plumbing or not, please make sure that you choose a plumber that has lots of experience installing Grease Traps in Sydney. Here are some good sound reasons for this.

  • 1:  If the plumber is not familiar with the excessive amount of rules surrounding any grease trap installation then in most cases the grease trap is installed incorrectly and your business can not be opened until the Water Authority has approved the installation.  This may cost you thousands in lost revenue and an extras bill that you were unprepared for to complete your job.
  • 2: The plumber who is not so experienced may promote a system that is technically ok but not the best or cheapest option for your business.  Sometimes a long term view should be taken and only a minor change at the construction stage may save thousands over the next 5 year period as well as long into the future.
  • 3:  The wrong choice of grease trap and the wrong sizing can be a thorn in the flesh.  Pump systems are great and in some cases the only possible option, but they come with a high possibility that every 1-2 years that they will fail when you are at your busiest period in the week.  We always have to run out at 9PM on a Friday or Saturday night to attempt to repair a blocked or burnt out grease trap pump system.  Try to visualize the kitchen floor with all of your staff with a few inches of kitchen sink water around their feet and everything up off the floor and on the benches and you still have orders banked up in front of you.  This visual is repeated regularly.  It does cost quite some money to repair or replace a grease trap pump system in an emergency and sometimes it just can not be done on the spot.  In many of these situations an in ground gravity grease trap system could have been installed originally and would have cost the owner only about a $1000- 3000 more.  Why was the wrong system put in you may wonder.  Maybe the benefits were not discussed earlier on at the planning stage.

Grease Trap Repairs and Replacements

New Grease Trap Installations


Below are a few pictures of recent jobs:

Frequently Asked Questions are below the pictures.

Buy Grease Traps. View Products


Frequently Asked Questions:
Q:   What Businesses require a Grease Trap?
A:    Mainly Cafe's, Restaurants, Bakeries, Take-aways, Butcher's shops and various other food preparation businesses.  The purpose of a Grease Arrestor/Trap is to keep the fats and oils out of the Authorities sewer lines and they also serve as a means of preventing blocked drains on your property.  The main reason for complying with the Regulations is that your business will not be able to open unless the list of requirements regarding Grease Trap installations are met. Most Council Authorities and the Health Department regulate that they are installed and inspected to meet their conditions.
Q:    What size Grease Trap Do I need?
A:    Refer to the table below for help. Keep in mind though that if you are not a business that has sit down customers such as a Take away or a Food Preparation business then you fit into the category of Grease Traps fewer than 69 seats. A point of caution is that if you have a small Grease Trap and a large water usage then you may find that you have to have your Grease Trap pumped out very regularly. As pump outs are over $200.00 each time, the cost of installing a larger system may be the most cost effective option if you have a long term view in mind.  Deciding to install a Grease Trap at your business is not for those interested in being involved in this type of business for only a few years, but rather you are expecting be in this business for the long term.  With this in mind, a bigger Grease Trap can be cheaper. Something to ponder over. 
Just a Guide About What Grease Trap Size is Required:
Canteens, Cafeterias, Restaurants, Food Courts etc
Grease Arrestor Capacity
Weight (Kg) Approx.
Discharge up to 1,100L/day, typically up to 69 seats
500 litre
Discharge up to 1,100L/day, typically up to 69 seats
1000 litre
Discharge up to 3,200L/day, typically 70 to 199 seats
1500 litre
Discharge up to 6,400L/day, typically 200 to 399 seats
2000 litre
Discharge up to 9,600L/day, typically 400 to 599 seats
3000 litre
Discharge up to 12,800L/day, typically 600 to 799 seats
4000 litre
Discharge up to 16,000L/day, typically 800 to 1000 seats
5000 litre
Q:   How often do I need to have the Grease Trap Cleaned out?
A:    Many local Authorities require that the system be cleaned out every 13 weeks or 3 months to start with. A Trade Waste Inspector will visit your premises from time to time to inspected the “Fatty Crust” or grease build up. He will then decide that your system needs to be cleaned out more or less often. It is not base on an opinion but on the measurements the Inspector records. Bigger systems always cost less in the long run, because your on going costs are less. 
Q:   What type of System should I get?
A:     It will depend on the position the Grease Trap is to be installed. We alternate between three Companies solely based on the actual ability to fit it through door ways, take them up or down stairs or fit them in that room.  Each choice is site specific. Each Company make great products. The two types of systems that we personally recommend are a Fibre Glass and the Poly/Plastic tanks.  Both are made to meet all of your Local Authority Standards and are long lasting. Concrete tanks need to be Epoxy lined each year. This can be very costly. One company makes the High Quality Fibre Glass Grease Traps and other tanks and pits and the other Compaies makes High Quality Poly/Plastic Grease Traps and other tanks and pump pits. Both systems come with industry standard 7 year warranties.
Q:   Can I have an above ground tank instead of an in-ground Grease Trap?
A:    You can, but if the kitchen floor is lower then the top of the Grease Trap then in this case you will need a pump system to push the water into the top of the grease trap.  Pump systems are not approved in every State. The pumps are costly and sometimes the installation costs are very similar between an above ground and in-ground system.
If gravity fall is not obtainable on a below ground system then Risers are available in various sizes.
Location Lid Options:
a.       Fibreglass or Plastic lids for garden beds.  
b.       Light Duty Class B - Pedestrian trafficable gas tight.
c.      Heavy Duty Class D - Cars, Trucks, Semi Trailers and Forklifts

Scooper Plumbing Nation Wide Plumbing Service.  See Contacts for Local Trades Person

Contact us       ABN 15 153 930 840