Burford Concrete Products & Effluent Systems

Concrete Water Storage Tanks

Made-to-order concrete water tanks

Water storage for domestic use, stock or firefighting reserves

Burford have been building custom concrete tanks since 1958 and with years of experience in the industry, we are the leading supplier of concrete water tanks in Southland, Otago and the Southern Lakes.

Features and benefits of concrete water tanks

Burford tanks are made using a superior building process under controlled factory coditions and to an engineers design certificate, giving you a superior customised water storage system you can rely on. 

  • Burford tanks are made with fibre reinforcing in the plaster, ensuring the plaster holds together better and minimises the chance of the tank leaking.
  • Burford tanks can be part buried to clear windows, spouting, and for landscaping purposes. If required, a Burford tank can be completely buried when a specially reinforced concrete roof is cast on the tank in the factory.
  • Concrete tanks don't budge! As concrete tanks are stronger than plastic, they are wind resistant and won't blow away in a storm.
  • Concrete is more dense and therefore stays cooler than plastic, meaning it minimises bacteria growth in your water.
  • Chemicals commonly used in plastic water tanks can leach into your drinking water. This does not occur in concrete tanks.

Delivery and cleaning of your concrete water tank

Burford's have a mobile tank cleaning and repair service to ensure the water in your tank is always safe for your family. Burford can also arrange delivery to your site and work alongside your contractor to install the tank. Contact Leigh today to book in your concrete water tank clean or to discuss delivery.

Concrete water tank sizes

We produce nine different sized concrete water tanks from 1,800 to 30,000 litres. The tanks can be installed to suit the needs of your property.

Capacity (litres) Height Diameter Weight (tonnes) Underground weight (tonnes)
30,000 2870mm 3900mm 10 N/A
24,750 2870mm 3500mm 6.8 8.5
22,500 2565mm 3500mm 6 8.1
13,500 2410mm 2840mm 5 6.8
9000 1675mm 2840mm 4 5.8
6300 2230mm 2000mm 2.5 3
5000 1880mm 2000mm 2 2.5
1800 1300mm 1575mm 1 1.5
1100 1200mm 1200mm 0.75 1

Our range of water tanks from 1100 litres to 24,750 litres, have PS2 Producer Statements for tanks in the following situations:

  • On the ground
  • In the ground
  • Underground

Concrete Frost Protection Box

Protect the fittings on your concrete tank

Prevents the inlet and outlet fittings from freezing

The concrete frost protection box is designed to go around the inlets and outlets of a water tank to prevent the fittings from freezing in the winter.

The frost protection box is placed up against the wall of the water tank, enclosing the taps. The concrete box can then be filled with straw or any other insulation-type material to minimise the chances of any taps freezing.

This style of protection cannot be blown away in high winds and it also prevents any damage to the tap protruding from the tank from stock damage.

Frost protection box size

  • Front width 700mm
  • Back width 600mm
  • Heigh 500mm
  • Depth 450mm

Filtration / Aeration Tanks

Seeking alterntives to traditional methods of water collection

Clean, pure, mineral and bacteria-free water for people and stock

Clean, drinkable water for both farm animals and people living in rural locations is becoming a major awareness issue for many areas of the Otago and Southland region, and forward thinking farmers and lifestyle block owners are seeking alternatives to traditional methods of water collection.

Burford's can supply concrete tanks which a filtration and aeration system can be mounted on top to ensure a constant supply of drinkable water is available.

Regional councils are all pushing for better methods of water use on farms, while farmers themselves are realising that clean, pure, mineral and bacteria-free water means stock health is considerably improved.

Aeration water treatment

Aeration is used in water treatment as a pre-treatment in the process of removing iron and hydrogen sulphide (rotten egg smell) from water. Air quickly converts unfilterable ferrous iron to filterable ferric iron, and it reduces hydrogen sulphide to elemental sulphur, which is easily removed from water by a filter.  Air is considerably faster than chlorine at oxidising water.

Tank cleaning

Regular tank cleaning minimises bacterial growth and gives you healthier drinking water. Burford's provide concrete water tank servicing and cleaning with a specialty mobile repair service to make the process easy.

Floodwash Concrete Tanks

Storage for large amounts of water

Floodwash tank solutions can reduce hours of cleaning time

Normally used by New Zealand diary farmers to flood wash their dairy farms, floodwash tanks store a large amount of water, and when the outlet is opened, can release large surges of water very quickly. This approach greatly reduces the amount of effort required to clean the areas that animals frequent, including farm yards, animal feeding areas, and animal movement lanes (often called flush alleys). It’s important that a thorough clean of all areas that animals have used is done regularly, to ensure the areas are sanitary for use.

Burford provides a range of quality, concrete floodwash tanks to farms in Southland, Otago and Canterbury, ranging in size from 13,500 litre, 22,500 litre, 24,750 litre, and 30,000 litre capacities.  Our most popular floodwash tank size is currently 22,500 litres, which is suitable for medium size farms.   

Burford floodwash tanks are manufactured in Winton, Southland. When manufacturing at the Burford factory, any size of pipe outlet can be installed into the floodwash tank. Our tanks are built to provide excellent and fast water flow performance, and are built to appropriate New Zealand standards to ensure a high quality, long lasting product.

Design and installation of concrete floodwash tanks

Burford will work with you to design the best floodwash tank solution for your needs, with an aim to providing a quality flood wash implementation that avoids unnecessary water use. Our tanks can be configured to use fresh water, plate cooler water, or effluent pond water. 

A typical installation will have a large tank placed at the top of the yard slope, so that the water can flow naturally downwards from the tank when released. Sometimes the tank is raised up from the ground level, to provide additional gravitational force – and thus more effective cleaning. You may additionally elect to fit a drain valve for general maintenance.

Burford can arrange delivery of your concrete floodwash tank and work with your farm contractor to install it in the appropriate place. Contact Leigh Burford today for a discussion on how a concrete floodwash tank could benefit your farm. 

Septic Tank Systems

Concrete septic tank systems

Burford are the leading provider of robust concrete septic tank systems

Septic tanks are the number one way for rural homeowners to treat their wastewater, whether it is domestic or dairy activities such as farm flood washing. Burford have been installing septic tank systems throughout Southland, Otago and Canterbury for over 40 years.

Septic tanks work by separating solids from liquids. They should be used as the first step in comprehensive wastewater treatment for most New Zealand farms. Wastewater is fed in to the tanks via gravity (normally using inlet pipes), which is why septic tanks are typically placed underground. Where this is not possible, Burford have come up with a number of solutions to pump the effluent into the concrete tank.

Septic tank effluent treatment 

Wastewater is full of pollutants that can be damaging to your environment if released without treatment. Your regional council is required to ensure disposal of wastewater is done sustainably under The Resource Management Act (RMA) 1991. The responsibility for treating wastewater is yours. 

  • Within the tank, decomposing solid particles settle and form a tank floor "sludge", whilst lighter items like fat and detergents form "scum" which floats in the water.
  • When the septic tank outlet is emptied, the treated effluent (in the "settling" area between the sludge and scum) flows out to a designated disposal area on the farm. 
  • The tank outlet is positioned under the normal level of the floating scum later so that only a small number of these solids are released.
  • Over time, this effluent is filtered via soil layers, where bacteria break it down and render it harmless or neutral. 

Concrete septic tank options

Single chamber concrete septic tank systems

Burford provide a full range of septic tank solutions, which can be tailored to your exact needs. Our single chamber septic tanks come in a variety of sizes to suit any New Zealand farm application. 

Capacity (litres) Height Diameter Length Tank base to inlet Size of hole (mm) Weight (tonnes)
2700  1500mm 1825mm   1320mm 2100 square 2
3600  1500mm 1500mm 2700mm 1340mm 1700 W x 3100 L 2.5
4500  1950mm 1500mm 2700mm 1740mm 1700 W x 3100 L 3

Dual chamber concrete septic tank systems

Dual chamber septic tanks have two chambers. The first chamber is a typical septic tank with an outlet and filter which holds 4500 litres. The second chamber holds 1100 litres and an effluent pump or dosing siphion can be installed here. The overall capacity is 5600 litres. 

Burford can work with your farm contractors to deliver and install the dual chamber septic tank (or any of our other septic tank solutions) for you. 

Our septic tank solutions can be configured to support automatic dose-delivery of septic tank effluent to soil absorption systems. Your septic tank system should be pumped out every 3 - 5 years to remove the decomposed solids from the tank bottom. 

Capacity (litres) Height Width Length Tank base to inlet Size of hole (mm) Weight (tonnes)
5600 1600mm 1900mm 3600mm 1320mm 2400 W x 4200 L 4

Other septic tank solutions 

Burford also provide other septic tank and effluent treatment solutions that can be manufactured from our water tank sizes ranging from 1100 litres up to 30,000 litres to suit your requirements. 

  • Pump chambers
  • Treatment plants
  • Two-in-one septic tank systems

Septic tank producer statements

Producer statements are available on request for all Burford concrete septic tanks and septic tank systems. 

Get in touch with Leigh to discuss the best septic tank system for your requirements. 

Waste Water Treatment

Selecting a waste water system for your property

Concrete septic tanks to sewage treatment plants

When building a new home in the country the effluent from the property must be treated and disposed of without affecting any neighbouring properties. Burford can provide anything from a single concrete septic tank to a sewage treatment plant depending on your requirements.

During the planning stages, an engineer must perform a site and soil examination. This will determine whether a septic tank or wastewater treatment plant will need to be installed on the site to treat the effluent to a required standard. In some cases the effluent, when treated correctly, could be used for irrigation around shrubs and on grass.

Burford waste water systems can be scaled up or down, depending on the property or subdivision size. Burford's waste water treatment plants have been installed throughout New Zealand and are well proven in the market place. We have installed treatment plants in some extremely remote locations in the South Island including Deep Cove in Fiordland.

For more information on selecting a waste water system for your property, read our information booklet for homeowners or contact Leigh to talk through your requirements. 

Stone Traps

Concrete stone traps

Trap stones and debris before they enter your effluent tank

The Burford stone trap, sometimes known as a wedge by some in the industry, has been maufactured in Southland for over 12 years. There are a large number of stone traps at dairy sheds throughout Otago and Southland. 

Purpose of a stone trap

The stone trap is situated between the cowshed yard and the effluent tank. Stone traps are designed to slow down and direct the flow of effluent so sand, stones and debris can drop out. This will prevent blockages in the effluent pipe work, pumps, storage facilities and applicators. 

Stone traps are generally made of concrete and have a wide base which slopes down toward the pumping or draining end. The inlet is normally well above and on the opposite side of the stone trap to the outlet.

The solids that accumulate in the stone trap need to be regularly removed onto a sealed surface located directly beside the stone trap which drains any liquid back to the stone trap. The solids should be applied evenly to the land.

Burford stone traps are designed so that you can drive a 4WD front end loader into it to clean it out. The effluent from the stone trap then flows to a Burford open-top effluent tank where there is a pump mounted on a pontoon that will pump the effluent to an approved farm irrigator, or disposal system. These tanks will float in 400 - 500mm of water. 

Specifications of Burford's concrete stone trap

  • Internal width at the back wall is 2250mm
  • Internal width at front where tractor drives in is 2450mm
  • Internal height is 800mm
  • Area for placing stone trap is 2.9m x 3.6m x 900mm deep
  • There are 4 x 1.3 tonne ramset type lifters in the floor of the stone trap
  • The holes on each side are 150mm PVC sockets, that will take 150mm farm tuff pvc pipe
  • Weight is 4 tonne

Open-top Effluent Tank

Concrete open-top tanks for effluent storage

Burford provide open-top effluent tanks from 1100 litres up to 30,000 litres

Open-top concrete effluent tanks range in size from our largest at 30,000 litres down to our smallest of 1100 litres. Site preparation and tank delivery is the same as for tanks above ground and Burford's can take care of this for you and work with your farm contractor if required.

To prevent the tank floating, Burford recommends that 12 metres of 10mm diameter steel be threaded through the lifting loops at the bottom of the tank, and two large truck loads of ready-mix concrete be placed around the base of the tank.

Open-top effluent tank risers

Open-top tanks which are situated below ground, allow soil and debris to fall into the tank blocking the pumps. Sites which are also not fenced, are easy for stock, dogs and people to fall into and injure themselves.

To eliminate these hazards, Burford recommend installing a concrete riser the same diameter or larger on top of the tank. A concrete foundation can then be placed around the bottom of the riser, sealing the tank and to stop back fill from running into it. Around the tank can then be back filled to complete the job and make the farm safe.

The sizes that can be manufactured are 3.5m diameter or 3.9m diameter. This is the diameter of the 22,500 litre, 24,750 litre, and 30,000 litre effluent tanks. The maximum height that we can manufacture to is 2.7m high.

Concrete Pump Sheds

Concrete sheds to protect pumps on your rural property

Keep your pumps secure, dry and out of damaging high winds

Many New Zealand farms and lifestyle blocks need to be able to keep their pumps in a secure, dry shed that cannot be blown away or damaged in high winds. Burford produces a wide range of pump sheds that are purpose built to meet your exact needs. Made in Winton, Southland, our pump sheds come in sizes from 2 metres diameter to 3.9 metres diameter.

The sheds can be sited anywhere in New Zealand (ideally on a level surface) and Burford can often help to organise the delivery and installation of your shed, in consultation with your farm or site contractors.

Our pump sheds provide great protection from the New Zealand environment, year round. They are ideal if you need to keep your pumps and the electrical connections safe and dry. You can work around pumps in the shed, depending on what size you order. Burford can also put holes in the shed in the appropriate places if required.

Sheds have previously been made with a hole in the floor and placed over the top of bores and wells. This keeps your water safe from animals and enables pumps and electrics to be contained in a safe tidy area to minimise maintenance.

Our sheds have lockable steel doors for security. Burford can manufacture pump sheds with any size door that you may require for your pumping needs. Burford realises that every New Zealand rural or farm situation is different, so we offer the ability to fully customise your pump shed to suit your needs.

Concrete pump shed sizes

Diameter Height Weight Site dimensions
2000mm 2230mm 2.5 tonne Level area 2.5m square
2840mm 2410mm 5 tonne Level area 3.5m square
3500mm 2565mm 6 tonne Level area 4m square
3900mm 2565mm 9 tonne Level area 4.5m square

Standard door opening is 900mm wide x 1900mm high

Concrete Dangerous Goods & Chemical Storage Sheds

Storage of poisonous, corrosive or flammable materials

Purpose built dangerous goods and chemical storage sheds

Many New Zealand farms and lifestyle blocks need secure storage of materials that are poisonous, corrosive or flammable. Burford produces a wide range of dangerous goods and chemical sheds that are purpose built to meet your exact needs.

The sheds can be sited anywhere in New Zealand (ideally on a level surface) – and Burford can often help to organise the delivery and installation of your shed, in consultation with your farm or site contractors.

Made in Winton, Southland, our hazardous item storage sheds come in sizes from 2 metres diameter to 3.9 metres diameter.

Concrete storage shed specifications

Our dangerous goods and chemical sheds provide great protection from the New Zealand environment, year round. They are ideal if you have flammable materials to store like paints, solvents, gases, engine fuel, oil, animal dips, herbicides, or insecticides, or if you have materials like fertilizer and cement to store that can attract moisture from the air and deteriorate.

Burford concrete sheds have lockable steel doors for security, and have ventilation in both the floor and roof areas of the shed for improved airflow. Dangerous goods sheds provided by Burford are also non-combustible (made from concrete, to high New Zealand standards), and are clearly labelled with an orange HazChem 2WE sign. With doors 150mm above floor level for access, any spills that occur within the sheds are contained, reducing your risk of leaking chemicals into the environment (an offence under The Resource Management Act 1991).

Burford realises that every New Zealand rural or farm situation is different, so we offer the ability to fully customise racks inside the shed, to hold the different hazardous material container sizes you need to store. Our dangerous goods storage solutions also allow for the full segregation of items – for example, storing insecticides away from herbicides. Whilst storage racks allow you to store items off the ground in your shed, some items like large liquid containers should always be stored at floor level – which is possible within our sheds due to the style of racking we supply.

Concrete dangerous goods shed sizes

Diameter Height Bundage capacity (approx.) Weight Site dimensions
2000mm 2230mm 400 litres 2.5 tonne Level area 2.5m square
2840mm 2410mm 720 litres 5 tonne Level area 3.5m square
3500mm 2565mm 1162 litres 6 tonne Level area 4m square
3900mm 2565mm 1450 litres 9 tonne Level area 4.5m square
 

Note: The bundage capacity (as above) is when the door in the shed is 150mm above the floor. This prevents spillage or leakage and is ensures all spills are contained within the shed. The bundage capacity can be increased by manufacturing a shorter door.

The shed also has a lockable steel door with a vent and there is a vent in the roof. These vents allow for airflow within the shed.

Purpose Built Concrete Killing Sheds

Concrete killing sheds provide a cool and easy to work in environment

Burford concrete kill sheds meet the New Zealand laws for on-site farm killing sheds

Whilst many New Zealand farmers send their animals off to licensed slaughter houses for killing and processing, some farmers may kill additional animals on the farm for eating by their families or workers, or as food for the working dogs on the farm property. 

New Zealand law stipulates that farms killing stock on site must kill the animals in dog-proof facilities. This is largely to avoid the risk of contamination of the meat by rabies and other diseases. Killing sheds are commonly used to kill stock and then hang the carcass.

Burford concrete kill shed specifications

Burford manufacture a range of killing sheds suitable for use on New Zealand farms. Our kill sheds are based upon our proven concrete water tanks. In addition to the features of a concrete water tank they have a sloping concrete floor that slopes towards a drain, which in turn leads to a covered sump. This makes the shed easy to clean, using a water hose and detergent. 

The door of your new killing shed is made from freezer panels. Unlike a steel door, the sun doesn’t heat the Burford kill shed door, reducing excess heat built up in the shed. Each killing shed is ventilated through a small vent in the shed wall, placed opposite to the main door, allowing air movement to occur. In summer, water can also be applied to the shed roof via sprinkling hoses to help keep the concrete walls cool. This provides a more comfortable working temperature for the farmer or butcher, and it will additionally help firm up any hanging meat.

Your killing shed is designed for easy use. The standard killing shed is 2.7 metres high, with a 3.5 metre diameter. To allow you to easily hang meat, a rail extends outside of the killing shed door, making it easier to hang and slide meat in and around the shed. The hanging rail extension can be removed at any time so the door can be closed.

Burford have supplied killing sheds to farms and lifestyle blocks in Southland, Otago and Canterbury.  We can work alongside your usual farm contractors to arrange delivery and installation of the sheds. We can also provide a full range of killing shed accessories and further killing solution consultancy as required. 

Concrete Sheep Troughs

Burford concrete sheep water trough

Ensure your sheep have a supply of fresh water 

Burford concrete sheep troughs are made in Winton, Southland and supplied to farms across New Zealand. 
 

Concrete stock trough size

  • Capacity 250 litres
  • Depth 310mm
  • Width 685mm
  • Length 830mm
  • Weight 380Kg
Burford's manufacture a wide range of concrete products. Contact Leigh Burford today to discuss your requirements.

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