C&M Kiernan Pipelines Construction Ltd

Water Mains

We deliver robust, fully certified water infrastructure solutions
for commercial, public sector, and industrial developments across the UK.

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Water Mains

We deliver robust, fully certified water infrastructure solutions for commercial, public sector, and industrial developments across the UK.

get in touch

C&M Kiernan Pipelines Construction Ltd

Expert Commercial Water Main Installation Contractors

As trusted commercial water utility contractors, we specialise in high-performance, low-disruption water main installation – from initial excavation to final reinstatement.

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Water Mains installation

New Water Main Installation Services

Our team of experienced water main contractors deliver fully managed, end-to-end new water main installations to suit your development timeline, technical requirements, and budget. Our services include:

Open cut trenching and impact moling
Directional drilling, slip lining, and mains bursting
HPPE/MDPE water pipe installation for potable and non-potable systems
Ancillary items: valves, hydrants, taps, and logging points
Pressure testing and data logging to WIS standards
Full reinstatement and certification

Whether above ground or below, we tailor our approach to meet the specific needs of commercial and industrial projects.

rising mains

Rising Mains for Commercial Buildings

As rising mains specialists for commercial buildings, we install HPPE and concrete-lined ductile iron systems from pump sets to outfall chambers, including washouts and air valves. We provide:

Fully pressure-tested rising main non-potable supply systems
Electro fusion and butt fusion jointing
Ancillary items: Washouts, air valves and dismantle joints
Expert installation that meets local authority and water company standards
Ideal for multistorey commercial buildings, energy centres, and infrastructure sites requiring efficient water discharge

Water Pipeline Repair

Water Pipeline Repair & Replacement

Need to upgrade or repair your water infrastructure? We handle water pipeline repair across all pipe types and sizes.

We minimise disruption through modern techniques including:

Dead insertion and slip lining
Precision excavation and reinstatement
Integration with existing systems for seamless commissioning

Pre-Insulated Pipework for Heat & Water

We offer pre-insulated pipework installation for commercial projects, designed for hot, cold, and potable water distribution. Systems are delivered in coil or stick form using PEx, PP, or PB pipe, complete with:

Leak detection integration
Heat shrink or bolt-on insulation sleeves
Fully pressure-tested delivery
Optional valve sets, bypasses, and metering
This is ideal for low-carbon, district heating, or water networks where insulation and durability are critical