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DAWSON-WAM Ltd

DAWSON-WAM are multi award winning, specialist civil engineering and piling contractors with operations throughout the UK and Ireland.

The company undertakes both small and large-scale civil engineering and piling projects for residential, commercial and public authorities. The company was founded in 1971 and has grown to an organisation with an annual turnover in the region of £50M. Through DAWSON-WAM’s collaborative, problem solving approach we are able to offer a complete design and build service providing innovative, cost effective solutions to many of today’s construction related challenges. DAWSON-WAM also maintains an extensive, modern and highly capable plant fleet, complimented with regular annual investment.

Please head over to our website to browse some of our previous works, and find out more about what we can do for you!

Civils enquiries: [email protected]
Piling enquiries: [email protected]

Campbeltown Flood Protection Scheme (2024)

Combining storm separation, attenuation and flood storage reservoir solutions to alleviate flooding in the town

Lower Woodburn WwPS (2024)

Successful delivery of a £1.8m wastewater pumping station in the Greenisland Drainage Catchment to improve water quality in Belfast Lough

Belfast WwTW (2022)

Situated close to the shores of Belfast Lough, Belfast Wastewater Treatment Works (WwTW) is Northern Ireland’s largest wastewater treatment plant, serving most of the City of Belfast. It occupies a large 45-acre site within Duncrue Industrial Estate and was designed to treat a domestic and trade population equivalent (PE) of 290,000 with discharge into Inner […]

Ormeau Avenue Sewerage Upgrade (2019)

An article published in the 22 April 1881 edition of the ‘News Letter’, one of Belfast’s leading newspapers, still in circulation today, remarked: “Time was when the Blackstaff [River] ran through the suburbs little more polluted than a mountain burn. Now it has become the greatest eyesore in the town.” This self-same article also published […]

Queens Bridge Siphons (2019)

During 2018, NI Water commenced refurbishment work to one of its critical assets, twin sewerage siphons, known as the Queens Bridge Siphons, in Belfast. The siphons transfer wastewater from a substantial proportion (circa 40,000 population) of the east of the City under the River Lagan to the Oxford Street Trunk Sewer for onward transfer to […]

Durleigh WTC (2021)

Wessex Water’s £50m project to upgrade Durleigh Water Treatment Centre (WTC) in Somerset is progressing on programme and within budget, despite some particular challenges posed by the Covid-19 pandemic. Work at the site near Bridgwater started in 2019. It is the largest single-value scheme delivered by Wessex Water’s Engineering & Sustainable Delivery (ESD) department and […]

Durleigh WTC (2020)

Durleigh Water Treatment Centre is located approximately 2km west of Bridgwater, Somerset and is Wessex Water’s second largest surface water treatment works serving a population of 44,500. The site was originally designed to treat up to 28.5 Ml/d, with water drawn down from the 959,000m3 Durleigh Impounding Reservoir. Raw water quality has deteriorated in recent […]

What we do:

Civil Engineering: Civil Engineers | Design & Construct | Directional Drilling | Groundworks Contractors | Marine Contractors | Piling Contractors | Pipeline Contractors | Project Delivery (Tier 1) | River Restoration | Shafts | Tunnelling Contractors