Products
browse our full range of septic tanks, water tanks, stock troughs, headwalls, pits & more
need help with install or product selection? Our staff know septic systems, AWTS, and rural precast products - and we're ready to help!
Septic Tanks & Collection Wells
Aerated Wastewater Treatment Systems
inground water tanks
Stock Troughs
Cattle Grids
headwalls, pits, pipes
PLUNGE POOL - COMING SOON..
LANDSCAPE SUPPLIES
LEARN MORE ABOUT OUR PRODUCTS BELOW:
WELCOME TO THE WORLD OF SEPTIC TANKS
Domestic septic systems usually fall into three categories, based on soil type, available land, and council requirements:
- Septic Tank with absorption trenches.
- Septic Tank connected to Collection Wells (for pump-out).
- Aerated Wastewater Treatment System (AWTS).
Aussie Precast Products are agents for BioSeptic who manufacture Aerated Wastewater Treatment Systems. Please see below for more information.
We manufacture a wide range of Septic Tanks and Collection Wells to suit all local Council zones dwellings sizes. All tanks are NSW Department of Health approved and StandardMarks certified.
Standard inclusions:
- Baffles
- Sealed Lids
- Inlet/outlet fittings
-Access caps & covers
We coordinate with your builder or plumber for fast, direct placement into prepared holes.
Site Preparation Tips:
- The hole should be at least 300mm wider than the tank diameter
- The base should be level and screeded with fine soil or sand
- Tank should sit 100mm above ground to prevent water ingress
- In high groundwater areas, we recommend pouring 1-2m3 concrete around the base before backfilling
- No sharp rocks for backfill
- Safety barriers must be in place for high pedestrian areas
Click the Plan to open a printable PDF
Click the Plan to open a printable PDF
Our Septic Tank range:
‘3500’ - Capacity 3,500 Litres
This tank can adequately manage a 3 to 4 bedroom domestic dwelling with 2 bathrooms.
‘4600’ - Capacity 4,600 Litres
This tank can adequately manage larger dwellings.
‘Squat 3550’ - Capacity 3,550 Litres
This is a shallow tank, as the name suggests (930mm) which can be used in areas of solid rock or high water table areas where standard deeper tanks and not suitable.
Absorption Trenches - Where approved by your local council, greywater flows from the septic tank into an absorption trench. The trench must be installed at a lower level than the tank to allow for gravity-fed flow. Required trench lengths vary depending on council and soil conditions.
Collection Wells - In some council areas, greywater is directed from the septic tank into collection wells for scheduled pump-out by an approved contractor. The number and size depend on council-specified holding capacity.
Installation & Handling
Owners Manual
Our Collection Wells are available in the following sizes:
- 3,750 Litres
- 4,750 Litres
- 5,550 Litres
- 3,600 Litres (Squat Tank)
- 10,000L
BIOSEPTIC
Aussie Precast Products are proud agents for BioSeptic. BioSeptic is well known for providing quality environmental and economical wastewater systems (AWTS).
THE BIOSEPTIC PROCESS
How Aerated Wastewater Treatment Systems Work:
Aeration technology employs a more dynamic process by introducing oxygen during treatment. The process begins when waste enters a primary chamber where solids settle. From there, the partially clarified wastewater moves into an aeration chamber where pumps force air into the liquid. This oxygen creates an ideal environment for aerobic bacteria, which digest waste 2-3 times faster than their anaerobic counterparts. The treatment continues through additional chambers that remove remaining particles, followed by a final disinfection stage that creates cleaner, high-quality water that can be safely used for irrigating gardens or lawns using less space. Aussie Precast Products now offers BioSeptic AWTS Servicing! Your local council requires that your BioSeptic system be correctly serviced every three months. Call us today to book in - 0427 111 082
Click the Plan to open a printable PDF
BIOSEPTIC SYSTEMS
S-TEN NR Single Tank (1500 Litres/Day) – This is our most popular system, and the one most people need with a capacity of 1500 litres per day. Aussie Precast Products have these in stock.
Please contact our office should you need something to suit larger houses or commercial properties.
INGROUND CONCRETE WATER TANKS
We manufacture a range of inground concrete water tanks. Designed to be placed inground, these tanks are ideal for rainwater harvesting, fire protection storage or domestic water supply.
TANK SPECIFICATIONS
- Manufactured in 40mpa fibre reinforced concrete with pedestrian lids
- All tanks made to AS 1546.1:2008 specifications
- All tanks have 100mm minimum air gap
- Available in a range of sizes
- Delivered and craned into position across the NSW South Coast
INSTALLATION
The hole should be at least 300mm wider than the tank diameter for ease of craning in. The base should be level and screeded with at least a 50mm bed of sand and the depth of the hole should allow for the tank to protrude 100mm higher than the surrounding finished ground level to stop surface water runoff entering the tank.
As our tanks are watertight they can float like concrete boats (after heavy rain) if the hole is not backfilled or the tank is not filled with water. Where ground water is a possibility and flotation may occur, we recommend pouring approximately 1-2m3 of concrete around the base of the tank before backfilling. When backfilling, no sharp rocks or stones should be used so no damage occurs to the tank wall or inlet and outlet pipework.
MAINTENANCE
Regular maintenance is essential to ensure relaible water quality. It is the owners responsibility to maintain the tank and monitor the quality of water it supplies. To reduce the risk of contamination, all components should be kept clean and in good working order.
Be sure to check rainwater collection areas, inlet screens, and first flush devices regularly for any build up of debris or rubbish.
Our Range of Sizes
Litres
Diameter
Height
4,200
1930
1945
5,000 (squat)
3200
930
5,100
1930
2300
5,900
1930
2580
10,000 (squat)
3200
1700
10,000
2500
2425
STOCK TROUGHS
Our concrete stock troughs are designed for long-lasting performance in tough Australian conditions. Whether youre running sheep, cattle or horses, our troughs offer reliable water access accross paddocks, yards and feedlots.
FEED LOT TROUGH
Open-ended feed lot trough, ideal for silage, grain or hay. Manufactured from high strength reinforced concrete.
Dimensions: 3m (L) x 1.2m (W)x 0.530m (H).
WATER TROUGHS
Our stock water trough are built from high strength 40MPa reinforced concrete, designed to endure the harsh Australian climate. Unlike plastic or metal alternatives, they won't melt in fire, get blown over by strong winds or become brittle over time. These troughs retain cooler water temperatures, helping reduce algae build-up.
Each trough comes with premium brass fittings, pre-installed during the casting process for added strength and convenience. Our brass inlet fittings feature both internal and external threads for easy installation of any float valve system. Our longline troughs can also be supplied with a concrete valve cover on request.
ROUND STOCK TROUGH DIMENSIONS
Product
Dimensions
400L
400 Litre Capacity, 1.1m diameter, 600mm height, 420kg weight, 1” inlet
700L
700 Litre Capacity, 1.5m diameter, 500mm height, 540kg weight, 1” inlet
2500L
2,500 Litre Capacity, 2.5m diameter, 650mm height, 1.45ton weight, 1½” inlet
6000L
6,000 Litre Capacity, 3.2m diameter, 850mm height, 2.76ton weight, 1½” inlet
RECTANGULAR STOCK TROUGH DIMENSIONS
Product
Dimensions
1600L
1600 Litre Capacity, 2.4m length, 1.2 mt width, 750mm height, 1.4 ton weight, 1½” inlet
Long Line Water Trough
750 Litre Capacity, 3.0m length, 750mm width, 600mm height, 1.2ton weight, 1½” inlet
Long Line Sheep Trough
400 Litres Capacity, 3.0m length, 750mm width, 400mm height, 1 ton weight, 1½” inlet
Open-ended Feed Lot Trough
3.0m length, 1.2m width, 530mm height, 1.44-ton weight
CATTLE GRIDS
We manufacture a range of cattle grids. We deliver and can position directly where it needs to go with our crane truck, if the area has been prepared and we have good site access. The grid comes as a complete unit, ready for installation. They are suitable for on-farm use, e.g. grazing properties where traffic consists of medium tractors, milk tankers, stock floats.
All our grids come standard with:
- Duragal steel construction (mild steel not recommended in coastal areas)
- Duragal steel with or without winged sides with infill triangle—needed for stock security
- Fully engineered, 40mpa high strength steel reinforced, precast concrete base and hold down bolts
Our standard cattle grid is designed to carry 10 ton per axle load limit.
Our heavy duty cattle grid is designed to carry 14 ton per axle load limit.
Cattle grids come in two sizes:
3.4m Wide 2.1m Across 500mm Deep (Depth of excavation needed)
4.0m Wide 2.1m Across 500mm Deep (Depth of excavation needed)
Site Preparation
Always install grid slightly above road surface and build up road surface to the grid. This stops water run-off from the road way entering the grid. If possible it is a good idea to drain the grid, this is not possible in some cases. The grids do not need to be installed level if the road way is not level, in other words follow the slope and grade of the existing road way.
A RANGE OF OTHER SMALLER PRODUCTS
Concrete Pipes, Headwalls & Pits
We manufacture headwalls and letter box pits (with concrete lid) to suit 300, 375, 450, 525 and 600mm pipes.
We stock concrete pipes in the above sizes however due to current difficulties sourcing concrete pipes, pipe size, class of pipe and type (flush joint or rubber ring pipe) will vary depending on supplier availability.
We also manufacture a 600 x 600 x 600 concrete knockout pit (will suit pipe size up to 450mm).
Concrete Fire Place Ring
Our concrete fire place rings are approx. 1920mm square and are available in 900mm or 1200mm diameter.
Replacement Septic Tank Lids
Do you have an old septic tank with a cracked, broken
or unsafe lid? We manufacture replacement concrete lids to suit multiple diameters. Sizes available are: 1500, 1600, 1730, 1800 and 1930mm
LANDSCAPE SUPPLIES
We supply quality landscape materials for projects of all sizes — whether you’re tackling a backyard job or managing large-scale works. Our range is available for pick-up only (delivery services coming soon).
Aggregate – 14mm & 20mm
Hard-wearing crushed rock ideal for drainage, concreting, and decorative use. Available in 14mm and 20mm grades, perfect for both structural and aesthetic applications.
Premix
Our concrete premix blend is ready to go. Consistent, reliable, and ideal for footings, slabs, and general concreting jobs.
Sand – Coarse, Fine & River Sand
We stock high-quality sand for every use:
- Coarse Sand
- Fine Sand
- River Sand
- Crusher Dust
Compactable, stable, and versatile — crusher dust is perfect under pavers, slabs, tanks, or for driveways and pathways.
Firewood
Seasoned hardwood firewood, cut and split for your convenience. Burn-ready and suitable for indoor and outdoor fireplaces.