
Drainage
At DJ O Neill Bray Ltd we offer comprehensive drainage and water infrastructure services for a wide range of clients, from private homeowners to public authorities.
With decades of hands-on experience, we specialise in the design, installation, and commissioning of efficient, durable, and environmentally compliant drainage systems for both foul waste and surface water.
Whether it’s a residential installation or a large-scale infrastructure project, our team delivers smart, low-impact solutions tailored to your site conditions and long-term performance needs.
Trusted Expertise in Drainage Works
DJ O’Neill Bray Ltd has extensive experience in the design and installation of complete drainage systems. We work with pipe sizes ranging from 100mm to 1200mm, using industry-proven methods including:
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Open Cut Trenching
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Directional Drilling
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Vibratory Plough Installation
We are also fully equipped to carry out fusion jointing and welding, ensuring secure, leak-free connections for all types of drainage and water infrastructure.

Key Drainage Services
1. Design, Commissioning & Installation of Drainage Systems
We provide start-to-finish services for foul and surface water drainage, designed for long-term reliability and regulatory compliance.
Gravity and pumped systems
Manholes, chambers, and inspection points
Integration with existing utilities and road layouts
SUDS (Sustainable Urban Drainage Systems) where required
2. Supply & Installation of Water Meters and Water Services
As part of the Irish Water Domestic Metering Programme (active since November 2014), DJ O’Neill Bray Ltd has installed thousands of domestic meters, supporting efficient national water management.
Domestic and commercial meter installations
New service connections and repairs
Coordination with Irish Water and local authorities
Pressure testing and commissioning
3. Low-Impact Drainage System Installation
We prioritise modern, non-invasive installation methods ideal for sensitive or built-up areas, including:
Directional drilling and trenchless technologies
Minimal disruption to landscaped or high-traffic areas
Fast reinstatement and reduced environmental impact
Featured Work
Client: Dun Laoghaire Rathdown County Council
Location: Wynberg Park, Stradbrook
Works: Flood prevention & drainage works



Sectors We Serve
Our drainage and water works span a wide range of project types and clients, including:
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Golf Courses & Sports Grounds – Drainage networks designed to manage heavy rainfall and maintain playability
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Private Homes & Estates – Bespoke systems for domestic wastewater and stormwater management
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Stately Homes & Heritage Properties – Sensitive installations that preserve aesthetics and structure
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Local Authorities & Public Infrastructure – Roadway, park, and public realm drainage schemes
Why Choose DJ O’Neill Bray Ltd?
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Decades of proven experience across Ireland
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Certified expertise in fusion jointing and water meter installations
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Full integration with groundwork, power, and civil teams
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Committed to sustainable and low-impact engineering methods
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Reliable, end-to-end project delivery from planning to completion
Our Services
Extensive experience in design and installation of drainage solutions for foul waste and surface water.
Catering for private individuals or developers who require small scale civil works.
Installation of a large assortment of electric solutions in a varied range of environments across the country.
Offering a complete service from start to finish including surveying, traffic management and customer liaison.