High Pressure Water System Installations in Pembrokeshire & West Wales
LS Civil Engineering Ltd provides professional installation services for high pressure water systems across industrial, commercial, utility, and infrastructure projects. Our team delivers reliable pipework installations designed to support demanding water supply, distribution, process, fire protection, and operational requirements.
We install high pressure water pipework using suitable materials such as HDPE, ductile iron, and carbon steel, depending on the pressure rating, site conditions, and project specification.
High Pressure Water Pipework Installation
Our works can include trench excavation, pipe laying, jointing, valve chambers, washouts, hydrants, thrust restraint, marker tape, backfilling, reinstatement, and final testing.
- HDPE pipework systems
- Ductile iron pipework
- Carbon steel pipework
- Valve chambers
- Hydrants and washouts
- Thrust restraint systems
- Marker tape installation
- Backfilling and reinstatement
Water Supply & Distribution Networks
Our services can support a range of systems, including boosted water mains, industrial water supplies, process water lines, fire main systems, washdown systems, and site distribution networks.
High pressure water systems require careful installation to ensure long-term performance and leak-free operation. We pay close attention to pipe bedding, depth of cover, joint integrity, valve access, pressure ratings, and future maintenance requirements.
Testing & Commissioning
Testing and commissioning are a key part of every installation. LS Civil Engineering Ltd can provide pressure testing, leak testing, flushing, swabbing, chlorination support where required, dewatering, and handover documentation to confirm the system is installed safely and ready for operation.
From excavation and pipe installation through to testing and reinstatement, we deliver dependable high pressure water system installations built around safety, quality, and long-term reliability.
Experienced High Pressure Water System Contractors
LS Civil Engineering Ltd provides professional high pressure water system installation services across Pembrokeshire and West Wales, delivering reliable pipework solutions supported by testing, commissioning and associated civil engineering works.

