Segmental Shaft Sinking
DAWSON-WAM has extensive expertise in the design, construction, and installation of pumping stations for both water supply and wastewater infrastructure. Our proven capabilities allow us to deliver projects in a wide range of ground conditions, from straightforward excavations to highly challenging geotechnical environments.
Advanced Shaft Sinking Capabilities
We specialise in the installation of secant shafts, sheet piling, and segmental shafts (using both caisson method (jacking) and underpinning techniques
Our in-house teams have the experience and equipment to construct shafts up to 30 metres in diameter and depths exceeding 20 metres. To achieve this, we maintain a fleet of crawler cranes, long-reach excavators, and specialist segmental shaft sinking equipment – ensuring safe, efficient, and precise operations on every project.
Preparatory Works for Shaft Construction
DAWSON-WAM also delivers the full range of preparatory works required for segmental shaft sinking, including:
- Circular sheet-piled cofferdams
- Circular secant piled walls
- Fabrication of cutting shoes
- Guide collar installation
By managing all enabling and foundation works in-house, we ensure seamless project delivery and tight control over quality and timelines.
Design & Build with MEICA Integration
We offer clients a full design-and-build package for pumping station construction, including:
- Civil engineering design
- Structural works
- MEICA – Mechanical, Electrical, Instrumentation, Controls, and Automation design and installation
This turnkey approach streamlines the delivery process, reduces contractor interfaces, and ensures full compliance with UK water industry standards.
Why Dawson-Wam?
Trusted by the Water & Wastewater Sector
Our pumping station projects are delivered to meet the operational needs of utility companies, local authorities, and private clients. Whether for flood control, wastewater transfer, or potable water pumping, DAWSON-WAM provides robust, long-lasting solutions that combine engineering innovation with proven construction expertise.