Recruitment – Operations Manager

We are recruiting!

Due to continued expansion a new opportunity has arisen for an Operations Manager at Oakstown, Co. Meath.


  • Direct and manage the Oakstown business to deliver optimum profitability and overall
    achievement of the objectives of the Company.
  • Assists in establishing strong growth targets for Oakstown, taking a hands on approach
    to delivering on those targets.
  • Develop and execute marketing, sales and operational plans to achieve revenue and
    profitability targets.
  • Work with other divisions within the O’Reilly Group to optimise the exchange of
    information, sales co-ordination, production and logistical planning.
  • Develop Plans to improve efficiencies, outputs and cost reductions.
  • Ensures the company runs with integrity, legality and conformity to established
  • Promotes Safety in the Workplace.


  • Experienced self-starter.
  • Previous Experience in an Operations Management or a Commercial Management Role.
  • Excellent Communicational, Organisational and Leadership Skills.
  • Ambitious with Ability to Problem Solve.

To apply please forward your CV with a brief cover letter to:

Self Build 8-10 Sept 2017 Citywest Dublin

We will be at SelfBuild Live Dublin this year. To avail of FREE tickets, simply click on the image.

The event takes place 8-10 September 2017 at The Citywest Dublin

Selfbuild Live Dublin is the ultimate showcase for people who are building, extending, improving or simply decorating their home. Visitors are presented an abundance of ideas, inspiration and advice via 1-2-1 Clinics, Theatre talks and hundreds of Irish based exhibitors.

The O’Reilly Oakstown Team will be there to provide you with the best advice & guidance for your wastewater treatment needs. Pop over and visit us, we will be delighted to talk you through the best product for your requirements.

Barleystone Paving Brochure 2017

Our sister company, Barleystone Paving, manufacture a large range of concrete block paving suited to any project, from domestic gardens and driveways, to commercial car parks and public areas.

Click on the image to download our latest Brochure here

We also manufacture airtight/paint grade masonry blocks for commercial applications.

Barleystone Paving specialise in the manufacture and supply of concrete block paving bricks throughout Ireland and the UK. We manufacture driveway paving, patio paving, garden paving, permeable paving in smooth and cobble, and granite paving to the private, commercial, educational, civil and industrial markets.

Whether you’re a home owner, architect, engineer, paving contractor, building contractor, developer or builders merchants Barleystone’s extensive range of paving products will have something to suit any paving job.

As part of the O’Reilly Concrete Group, we believe the product is only one vital element in ensuring customer satisfaction. With over 65 years of experience in producing superior quality concrete products, we now bring you the Barleystone range of block paving bricks for that “perfect finish”.

Some of our paving products include:

Block Paving

Paving enhances the look of any property as well as adding value. It is quick to install and long lasting. The Barleystone paving comes with a 25 year guarantee. With such a wide range of options, there will be something to suit any taste.

Kerbs and complimentary products

To add the finishing touch to your paving, we have a range of kerbs that can be used for edgings or in the construction of steps. Features such as circles or setts can add dramatically enhance the area.


We manufacture 80mm thick block paving which is suitable for commercial applications.
We also manufacture a full range of airtight masonry blocks for use in commercial buildings. These economical, high quality blocks have a fine textured surface designed for direct decoration

Completing a Septic Tank System Check – How & Why

Have you completed a septic tank system check?

Maintaining your wastewater system will help to protect your health and the local environment. Read below information on SystemSafe from the Environmental Health Agency

How a septic tank system treats your wastewater

1. Everything you flush down the toilet and send down the sinks, showers and washing machine or dishwasher ends up in your septic tank system.

2. Wastewater flows from the house to the septic tank. The solids and scum form sludge in the tank and this needs to be removed regularly.

3. Liquid effluent (wastewater) percolates down from the pipes through the soil in your garden into the percolation area. The soil itself helps filter out the bacteria before making its way to the groundwater in the bedrock below. This is the same groundwater that supplies water for any local wells.

“A well maintained system in the right site with the right soil conditions will protect your health, your local environment and your pocket.”

Planning a wastewater system, including a septic tank system Œ

When you are installing the plumbing in your house and wastewater system, which includes septic tanks and packaged systems, you should make sure that the grey water from sinks, showers and washing machines drains into the wastewater system. 

Do not allow rainwater from roofing into the wastewater system because it will flush out the solids which may block the percolation area or sit on the ground surface. Divert to a soakaway, which is a pit filled with stones into which clean water drains. Ž

Do not put driveways or paved areas over the percolation area because they can damage the underlying pipes. The percolation area is the area of the ground where the wastewater drains and filters through the soil.

Check your wastewater system every year

Every year, check your wastewater system for signs of sewage. Check:

• all manholes for blockages
• unwanted pools of water (ponding)
• odours
• noises
• sewage in nearby ditches and streams.

Use a permitted contractor to empty your wastewater system

  • Contact your local authority for a list of contractors.
  • You are required by law to keep records of sludge removal and maintenance for five years.
  • If you are a farmer with your own land, you can spread the sludge but only in accordance with the Waste Management (Use of Sewage Sludge in Agriculture) Regulations.

What is the difference between a septic tank system and a packaged treatment system?

A septic tank system depends more on the soil in the percolation area to treat wastewater. A packaged treatment system relies less on the soil but has more mechanical parts to treat the wastewater. Packaged treatment systems, therefore, need more maintenance. Sludge has to be removed from both types of systems.
Conserve water
Conserve water by using water-saving devices such as high-efficiency showerheads that don’t leak and garden hose shut-off nozzles.

Avoid sink waste disposal units
Do not use sink waste disposal units as they can increase the amount of waste by one third and result in additional maintenance.

Watch what you put down the sink
Do not pour fat and grease or hazardous chemicals like pesticides and paints down the sink. They can block the pipes and kill the good bacteria.

Watch what you flush
Do not flush non-degradable products down the toilet, for example, feminine care products, nappies, condoms or wipes because they can block the pipes and percolation area, or get caught in moving parts such as pumps

Be careful with cleaning substances
Do not overuse bleach and disinfectants because they can kill the good bacteria in the system.

Your well may be at risk from your wastewater system
Test your private well water every year after heavy rain as contamination is likely to be high at this time. Contact your local authority or HSE environmental health officer for advice on water testing.

“In order for something to become clean, something else must become dirty”

Frequently asked Questions

What are my responsibilities as a homeowner?

The law obliges you to make sure your system is installed, operated and maintained in a way that makes sure it doesn’t pose a risk to human health and the environment.

What is the sludge in the system?

All of the wastewaters from your home go into your system. The sludge is a build-up of all solids.

Why do I need to remove the sludge from my septic tank system?

The sludge must not build up too much or your system will stop working properly. If the sludge is not removed, it can block the pipes in your percolation area. If this happens it is very difficult to clean and may require replacement – an expensive option! It could also cause a risk to human health and the environment.

How often should I remove the sludge from my system?

Research is ongoing to provide more specific advice, but the sludge should be removed from the tank when the sludge takes up more than half of the liquid depth in the tank or at least every five years. A minimum of 75 mm of sludge should remain in the tank as it contains billions of the good microbes necessary to help breakdown the new solids. Use a permitted waste contractor and keep your receipt.

Who can remove the sludge from your system?

If you are a farmer with your own land, you can spread the sludge from your own wastewater system but only but only in accordance with the Waste Management (Use of Sewage Sludge in Agriculture) Regulations. If you do not have your own land, you must get the sludge removed by a permitted contractor.

Where does the sludge go?

Permitted contractors bring the sludge to authorised facilities for treatment. Details on permitted contractors operating in your county are available from your local authority


systemsafe-logo-septic-tanksAround 500,000 households in Ireland have a wastewater system that includes septic tanks and packaged systems. About 137,000 of these also have a private well for drinking water. Since 2013, all homeowners with a wastewater system must be registered with their local authority (LA). The Environmental Protection Agency (EPA) is an independent public body. We are responsible for supervising local authorities when they inspect wastewater systems. We do this to ensure that the systems are suitable and well maintained.

A quarter of wastewater systems (25%) inspected failed the LAs inspection due to poor operation and poor maintenance. Poorly maintained wastewater systems can affect your drinking water especially from private wells. Many people assume that their private well water is safe to drink and don’t treat it or get it tested. They shouldn’t because a recent study found that E.coli, which can cause serious illness, is present in almost a third (29%) of Irish private wells.

For more information, contact your local environment section or visit

Download ‘Have you completed a septic tank system check‘ PDF from SystemSafe

See us at the Irish Homes & Interiors Show

See us at the Irish Homes & Interiors Show

Punchestown Racecourse – March 24th – 26th 2017

Recruitment: Senior Sewage/Waste Water Maintenance Technician

Part of the O Reilly Group, O`Reilly Oakstown has been providing wastewater treatment solutions for both the domestic and commercial market with their award winning BAF wastewater treatment system since 2004. O Reilly Oakstown also manufacture Rainwater Harvesting Systems, Agricultural Retaining Walls and Oil/Water Separators

Due to our continued success and growing business we have an immediate vacancy for a

Senior Sewage/Waste Water Maintenance Technician

The successful candidates will be responsible for carrying out operational and service maintenance of Residential and Commercial Sewage/Waste-Water Treatment Systems.

The job is demanding in that it is based on time schedules of customers.

Previous experience in a similar role within the Sewage/Waste Water industry is essential.

Formal and recognised trade qualification required – Electrical / Mechanical.

Safe Pass, Confined Space, Manual Handling Tickets essential.

Excellent Customer Service Skills essential.

Fluent English essential.

In return we are offering competitive package for the successful candidate.

This position is a Full Time Permanent role.

To apply, please forward your CV and cover letter to





Make your Sewage Treatment System a Priority for New Homes!

Are you building a new home? If you are building your dream home it’s natural that Sewage Treatment may not be a priority! However it is now vital more than ever before to consider the status of your septic tank.

It is important that you pick a wastewater treatment system that will last the lifetime of your house!

If your septic tank is poorly functioning and your sewage system fails, you could face the inconvenience if having to upgrade or replace it.

1. You need it to be structurally sound to withstand typical Irish ground conditions – this means using a Concrete built system, which are certified in excess of 50 years

2. You need an economical operation – the new generation of low watt blowers cost as little as 8c per day to run!

3. Certification – proof that it does as it says! Ireland top engineers recommend O’Reilly Oakstown

Most importantly you need reliability – we only use top class components backed by a dedicated service team to guarantee your peace of mind

Watch our video below to find out what you need to consider when getting a wastewater treatment system for your new home.

Fundraising for Straight Ahead

Paula from O’Reilly Oakstown and her little 2 year old daughter Ciara presenting the cheque of €1,000 to Dr. Pat O’Toole in Crumlin Children’s Hospital. This was raised by the O’Reilly Group participating in the Christmas Charity Day 2016.


Straight Ahead is a medical support group affiliated to the CMRF, which provides surgery, support and medical equipment for children with orthopaedic conditions.Straight Ahead is resourced through fundraising, donations and voluntary labor.

The Straight Ahead initiative operates on a voluntary basis, with administrative support from the CMRF. Surgeons perform the operations pro-bono. The Chairman and Board of the charity give their time and expertise for free. Working together, Straight Ahead is changing the lives of children who might otherwise have to wait longer for surgery or treatment.

Check out for any info you need

Fundraising at Christmas in O’Reilly Oakstown

O'Reilly Oakstown Fundraising

Service & Maintenance Contracts

O’Reilly Oakstown Service & Maintenance Contracts 

In order to ensure your system is working at its best and ensure no damage to the system, Waste Water Treatments should be serviced and inspected on a regular basis throughout the year by qualified technicians.  Once a problem arises the call out charges and inspections can cost much more than having an annual contract which ensures the home owner peace of mind that their system is working optimally.

We are now offering excellent annual contracts and if you book and pay for a Service, we can upgrade you to an Annual Contract that entitles you to:

–          Waste Water Treatment System serviced

–          Emergency Call out Facility

–          Annual Inspection & Service of System

–          Yearly Contracts Available

–          Technical Support included

–          From only €225 per year

Call us now on  0469431389 or Lo Call 1850200702 or complete the form below and we will call you back.

Service & Maintenance Enquiry

3 + 2 = ?

– Does my Septic Tank need Desludging
– Maintenance of a Septic Tank

O’Reilly Concrete Company Profile Video

Find out more about what we do!

The O’Reilly Concrete Group are one of the largest Precast Concrete manufacturers in Ireland and the UK. Take a few moments to watch our newly released video which gives a great overview of our company, and find out what makes us unique. Wholly owned and manufactured by the O’Reilly family, through 3 generations, we work from a total of 6 Manufacturing Plants and we continue to expand our critical customer base through two key drivers – Innovation and Outstanding Customer Service.

Installing New Sewage Treatment Systems & the Cost Involved

Peter Varley talks to Diarmuid O’Reilly of O’Reilly Oakstown Environmental about installing new sewage treatment systems and the cost involved.

After the flooding this year it has become apparent that many septic tanks in rural areas are not working efficiently and may need upgrading. A septic tank is traditionally used for the primary treatment of sewage from most rural houses. Many older houses will only have a septic tank and some form of percolation area for sewage treatment but this is not always sufficient for treating sewage.

“In the septic tank the sludge settles, while the crust floats and the liquid or grey water moves on to the percolation area. Over 99.5% of all solids should be retained in the tank,” explained Diarmuid.

Sewage treatment takes place here via anaerobic digestion, generally breaking down the effluent by 30%. Diarmuid says that, typically, in older systems the grey water (partially treated sewage) goes to the percolation area where the soil is expected to do the remaining 70% of sewage treatment.

How the system should work

Diarmuid believes that a lot of Irish soils are unsuitable to carry out this level of sewage treatment and secondary treatment is usually required.

A secondary treatment system takes the partially digested water and feeds it to bacteria that break it down further.

There are many different types of secondary sewage treatment systems.

In Oakstown they use a three-chamber secondary treatment process to digest, clarify and then pump the water from the two primary chambers. In the bioreactors aerobic bacteria are cultured on durable netted plastic biomedia. This gives the microbes adequate surface to attach to while air is blown through the tubes from a low-watt blower sitting on top of the tank.

The air enters the tubes from the bottom of the tank and diffuses into millions of tiny bubbles, allowing the aerobic bacteria to thrive.

The inclusion of both air and grey water activates the bacteria to work on further breaking down the sewage via aerobic digestion, and making it less harmful to the environment.

The second chamber acts as a clarifier to periodically remove any solids which may get to that stage. The final chamber is the discharge area. Here a water pump moves treated sewage from the system to the percolation area. Diarmuid says up to 99% of the sewage treatment efficiency can be achieved after it goes through the combination of primary and secondary treatment.

Repairing an existing system

The main signs that a sewage treatment system is not functioning properly is water backing up in sewers and ponding around the percolation area. Sometimes it may be possible to fix a tank by fixing the T-bend where the waste enters the primary tank.

A properly functioning T-bend slows down the rate of movement of solids into the tank, reducing the splash effect in the tank so that a scum layer can form creating anaerobic conditions for waste water treatment.

Baby wipes should never be let into a tank because they cannot be broken down and cause blockages.

However, many old sewage treatment systems are beyond repair and are not fit for purpose. Some older tanks have structural cracks or the percolation system no longer works efficiently. Diarmuid believes these systems should be upgraded. Certainly, both septic tanks and sewage treatment systems should be desludged regularly.

Installing a new system

Planning permission is required when installing a new system but this is on the basis of a report from a soil engineer who will assess the site and recommend what type of treatment system is necessary.

A site assessment will determine whether or not a particular site can achieve the safe dispersal of wastewater from a development. Diarmuid says soil engineers carry out T-tests and P-tests. Very good soils that are efficient at treating grey water in a percolation area will typically have a T-test result of five to 20.

Extremely free-draining soils with a T-test result under five would likely require a secondary treatment system because partially treated sewage may make its way directly into groundwater or wells too easily.

On the other hand, wetter soils with a T-test over 20 would also be more likely to require secondary sewage treatment because in time there may be a risk of clogging in average to poor soils.


The cost depends on the size of household being serviced by the sewage treatment system. As a rule of thumb, to calculate the size of the septic tank required, multiply the number of people in the house by 150 litres (as a person uses 150 litres/day) and add 2,000 litres. For example, an eight-person house is (8 x 150) + 2,000 = 3,200 litres. Diarmuid says to service this household with a primary and secondary treatment system it would cost €3,500 including VAT. This includes installation costs, wiring, a low-watt air blower and water pump but, excludes a soil engineer assessment, planning permission and percolation area costs.

Grant Aid

Householders who have registered their system by the prescribed date of 1 February 2013 may be eligible for grant aid to repair or upgrade their system.

This grant aid is only available if an inspector finds problems with your treatment system and gives recommendations in an advisory notice.

Households with incomes of up to €50,000 per annum will be eligible to apply for a grant of 80% of approved costs, with a maximum grant payable of €4,000. Households with incomes of between €50,001 and €75,000 will be eligible for a grant of 50% of approved costs, with a maximum grant payable of €2,500. Households with incomes over €70,000 do not qualify for grant aid.

You cannot apply for grant aid unless you receive an inspection from your local authority and subsequently fail, and you cannot ask for an inspection.

By Peter Varley Farmers Journal 7th July 2016


Rainwater Harvesting Systems

Water charges may have been shelved for now but there are still many farmers involved in local water schemes where water charges remain high.

For farmers involved on local water schemes, installing a rainwater harvesting system is a viable option to reduce water bills. It would be preferable to install a system that would provide potable water that can be used as drinking water for livestock and for washing out milking parlours. However, simply installing a tank that is used to collect water that can then be used to wash out slatted sheds etc, could help reduce your water bill.

Organic capital investment scheme

TAMS II offers grant aid to organic farmers for rainwater harvesting systems under the Organics Capital Investment Scheme to improve their agricultural buildings and equipment. The scheme offers 40% grant funding or 60% for young farmers, up to a ceiling of €80,000 per holding. The minimum amount of investment required to avail of grant aid is €2,000. This scheme is only open to licensed organic operators who are registered with the Department of Agriculture, Food and the Marine.

A rainwater harvesting system comprises of collection, filtering and storage of rainwater while the further treatment of collected rainwater is optional. The basic requirements for any rainwater treatment system is well-maintained, clean gutters directing the rainwater to a suitably sized and constructed holding tank from where the water is then distributed.

The components of a rainwater harvesting system are:

  • Roofed area to collect rainwater.
  • Clean gutters to collect rainwater from a roof.
  • Rainwater downpipes in good condition.
  • Filter to remove debris from rainwater.
  • Covered drains to direct rainwater from gutters to storage tank, where required.
  • Sump tank and sump pump where required.
  • Rainwater storage tank with calmed inlet and overflow.

Only rainwater from roofs of buildings is permitted to be collected for harvesting if you wish to avail of grant aid. This water must be further treated if it is to be used as drinking water for livestock or irrigation of horticultural crops. It must also be treated if it is to be used to wash milking parlours as this water needs to be of potable standard.

Tanks can be situated either above or below ground, but must be covered with a solid cover that prevents the ingress of any dirt into the tank. Floating covers are not permitted. All tanks must also be fitted with a proprietary calmed inlet to prevent the disturbance of any sediment at the bottom of the tank. It is important that the system is set up to avoid stagnation by ensuring that pipe work connections allow the flow of water through the tanks.

All tanks must be fitted with an overflow outlet attached to a suitable clean water drainage system to allow water to discharge during storm events.

When deciding on what size tank you wish to install, it is important that it has sufficient capacity to hold between a minimum of seven days’ and a maximum of 18 days’ rainfall from the collection area. The capacity is based on the average rainfall for the location of the tank, the size of the collection area and the demand on the harvested water. Exact rainfall figures for any location can be obtained directly from Met Éireann.

Water treatment

Treatment of the collected rainwater is optional. However, it should be noted that unless the rainwater us treated it will not be of potable standard. As such, this means it cannot be used for washing bulk tanks or milking machines on a dairy farm. It can also not be used for feeding to lactating dairy cows. All rainwater harvesting systems must have filters installed to filter any debris from the rainwater before it enters the rainwater storage tank. They must also be proprietary self-cleaning filters, with the use of homemade filters not permitted.


The costs of a rainwater harvesting system can vary greatly. Contact O’Reilly Oakstown today to find out what the cost of your system would be.

Article By William Conlon of Farmers Journal on 07 July 2016