Mini Case Studies

Bespoke Modular Limpet Dam enables pipework installation without draining the operational oxidation ditch

Sustainable development selects SDS grey water recycling system.

SDS smart rainwater harvesting system counters CSO spills

SDS residential smart rainwater harvesting system tackles freshwater supply shortages

SDS rainwater harvesting systems provide water supply for islands’ businesses

SDS smart rainwater harvesting system addresses water scarcity and flooding

SDS smart rainwater management system provides a lifeline to farm’s food bank supplies

Lancashire village hosts UK’s single largest deployment of SDS smart rainwater recycling systems

SDS stormwater storage infrastructure future-proofs rural wastewater recycling centre

SDS delivers underground stormwater storage to support Welsh Water wastewater network capacity improvements

SDS upgrades WwTW’s rainwater harvesting system to improve resilience and reliability

SDS Flow Control Chambers support major wastewater treatment works upgrade

Temporary isolation within a live wastewater treatment process

Upstream and Downstream Temporary Dams for Weir Narrowing Works

Bespoke Modular Limpet Dam Solution for Harbour Gate Maintenance

Delivering enhanced environmental protection with process and dosing upgrades at Wessex Water’s Milverton WRC

Deep shafts and tunnel construction providing critical water transfer infrastructure within the Tees Valley network.

Microtunnelling and deep shaft construction beneath the River Kent to provide critical wastewater infrastructure for the upgraded treatment works.

Delivery of a Complex Offshore Outfall Tunnel Through Precision Engineering

Specialist tunnelling works delivered by Joseph Gallagher Ltd enable wastewater transfer to a new treatment facility and unlock the Weyside Urban Village regeneration scheme.

Construction of two new percolating filters to increase treatment capacity and support future compliance requirements.

Delivering a resilient stormwater storage solution through innovative design adaptation, collaborative problem-solving and safe construction practices.

iNPIPE PRODUCTS™ was engaged by Farrans, working on behalf of Northumbrian Water, to deliver pigging operations on a newly constructed large diameter trunk main forming part of a strategic water infrastructure scheme in the North East of England. The pipeline was designed to convey treated drinking water to service reservoirs and to support future network […]

A major construction project required cleaning and commissioning support for an 18km trunk watermain consisting of DN500 & DN600 Ductile Iron. As the construction phase neared completion, the Client sought the expertise of iNPIPE PRODUCTS™ to assist with pipeline cleaning and commissioning. iNPIPE PRODUCTS™ was engaged to provide a tailored solution using foam pigs for […]

Design, build and installation of an underground pumping station on the extension works at HMP Featherstone

Two shafts – 20.00m and 9.00m diameter – sunk within the playing field of a primary school

A 40m TBM drive beneath the Chester-Holyhead railway line in very wet clays with large boulders

110m of 1050mm tank sewer providing 85m³ of storage, removing properties from the DG5 flooding register

A 10.30m surface water detention tank and 550m of sewer upsizing, taking four properties off the flood register

1.5km of micro tunnel pipejacking forming a new strategic transfer sewer through Paisley, Renfrewshire

A 15.00m diameter shaft sunk to 25m depth, providing over 3,500m³ of storm water storage for Yorkshire Water

A 20.00m diameter storage shaft providing over 5,000m³ of storm water capacity, sheet piled through unstable upper strata

A 20.00m diameter, 23m deep segmental shaft and 130m of pipejacked tunnel for Yorkshire Water

A 200m sheet piled trench and 3m x 3m in-situ reinforced concrete culvert on Liverpool’s city centre development

A shaft within a sheet piled cofferdam and a new pumping station outfall, built to the tide on Blackpool seafront

Sewer diversion and replacement across Manchester city centre for the Metrolink Second City Crossing

Over 400m of permanent sheet piling stabilising the River Ribble bank and reconstructing a collapsed foul sewer

River Bollin bank stabilisation to prevent collapse of an existing pipebridge

75m of precast concrete culvert and associated pipelines for United Utilities at Middlewich

A 1500mm pipejack beneath the West Coast Main Line, plus a new pumping station shaft underpinned in hard sandstone

Principal Contractor delivery of a new CSO and 700m³ storm detention tank on United Utilities’ £10m Better Rivers investment in St Helens

A 100m micro-tunnel rail crossing driven with a Herrenknecht TBM, with shafts founded outside Network Rail’s zone of influence

250m of 1800mm diameter tunnel driven in sandstone, plus 1400m of 1200mm diameter water main

Diversion of a 1050mm diameter sewer under live flow conditions to facilitate the Mersey Gateway Bridge

Sewer connection for a new private hospital, formed by caisson shafts and a 20m pipejack

A 25.00m diameter underpinned shaft providing over 4,000m³ of foul water storage for Northumbrian Water

A 25.00m internal diameter detention tank providing 2,500m³ of additional foul water storage on a Northumbrian Water flood relief scheme

Emergency stabilisation of a large sinkhole in a major dual carriageway, with six segmental shafts and 125m of tunnel in sandstone

A new foul detention tank, pumping station and screened CSO chamber taking eighteen houses off the flood register

A 15.00m diameter caisson detention tank and pumping station with over 1,000m³ capacity, plus a screened CSO chamber underpinned around a live 4.00m tunnel

A 20m internal diameter, 4,500m³ detention tank with self-cleansing vac-flush system, resolving an unsatisfactory intermittent discharge to the River Blakewater

Two new CSO chambers and a 650m³ detention tank resolving separate unsatisfactory discharges to the River Darwen

Three caisson shafts for micro tunnel pipejacks on the A19 Silverlink congestion relief scheme at North Shields

A MEICA-ready, watertight caisson storm tank increasing storm storage capacity at Wessex Water’s Gillingham WRC

A 10.30m internal diameter caisson shaft sunk through wet sandy clays, with augerbore, timber heading and on-line sewer replacement

A 15.00m diameter caisson detention tank taking eleven homes off the flood register

A 200m segmental tunnel driven through dolerite of up to 190MPa in the centre of Edinburgh

Sewer replacement in the back alleys of terraced housing, with full reconstruction of over 20 rear yards

Airside drainage, fire main and utilities infrastructure supporting the Pier 2 transformation at Manchester Airport

Diversion of a 2300mm diameter sewer through contaminated ground, with 460m of 2100mm diameter pipejacked tunnel

OCU Group supporting Yorkshire Water’s investment in water quality and network resilience through targeted mains renewal programmes

Elite Precast Walling Solution Helps Deliver Commitment to Dronfield WwTW Improvements

Environmental pollution has become a pressing issue in the UK, with water utilities under increasing pressure to reduce discharges of raw effluent into rivers and seas. The water utility company responsible for maintaining water quality across a vast region, set an ambitious target of a 20% reduction in spills across 900 combined sewer overflows (CSOs) by 2025. Working in close partnership with Sulzer, it embarked on a major spill reduction initiative that has delivered upgrades to over 65 sites in a matter of months rather than years.

Provided a deep excavation support solution that allowed for major water infrastructure improvements

Robust precast solution for PST construction

Introduction The Hams Hall Battery Energy Storage System (BESS), located in the West Midlands, represents a significant step forward in the UK’s energy infrastructure. At 400 MW / 1.4 GWh, the scheme is set to become one of the largest BESS facilities in Europe once energised upon completion – allowing for the placement of more […]

Engineering Agility Delivers Improved River Water Quality for Coventry

Delivering Essential Wastewater Infrastructure for Southern Water at Tangmere WwTW

Water mains upgrade alongside the A127 during major flyover replacement project

BIO-BLOK filter media improves performance by 40% and saves £0.5m at Sandbach WwTW

MGF Ltd’s bespoke temporary works solution in a restricted environmental location.

Making simple made to measure systems that were easy to install/remove

A cost effective and carbon saving temporary works solution

Early involvement and collaboration utilising BIM technologies & Common Data Environments

Providing a safe, cost effective and innovative solution to working at height

Solution minimised installation time for temporary works and reduced overall cost

Project required MGF’s latest lightweight technology

Bespoke solution delivered on-time by the MGF team

Reinforced concrete bases & chambers, containment & access upgrades, and ducting & drainage to create a clean, MEICA-ready interface

Construction of an access chamber onto an existing brick culvert to provide an outfall for surface water

Client: LiMA for United Utilities Value: £550,000 Project Description / Main Operations As part of a new Waste Water Treatment centre in Failsworth, Greater Manchester, there was a requirement to cross Green Lane, opposite the site, with several ductile iron pipes ranging from 1000mm to 250mm. Additionally, 3 no. 150mm ducts for telemetry were also […]

Sheet Piling (UK) Ltd has recently provided a sheet pile supply and cofferdam installation package that is part of a £300m investment in the Severn Trent-owned Wanlip Sewage Treatment Works (STW) in Leicestershire.

Working on behalf of Ward & Burke Construction for United Utilities, Sheet Piling (UK) Ltd were contracted to install 212 (106 [No.] per cofferdam), 9.0m long GU16 steel sheet piles for two circular Detention Tank cofferdams to ultimately help improve river water quality. The site was located on land adjacent to Southlands High School in Chorley.

Nestling in Macclesfield Forest, on the edge of the Peak District, surrounded by a conifer plantation lies Ridgegate Reservoir. The woodland surrounding the reservoir is designated as a Site of Biological Importance, whilst another adjacent area is a Nature Reserve managed by the Cheshire Wildlife Trust.

Precast concrete products offer durable, long-lasting floodwater solutions, which is why when a specialist hire company, needed to create a long barrier wall, to protect and defend a small village in Oxfordshire from flood water, it was Elite Precast Concrete they turned to.

In early May 2018, Network Rail IP Wales contacted Griffiths Ltd regarding emergency works for a transitional slip failure at Little Haglow, near Lydney in Gloucestershire, on the Up line between Newport and Cheltenham Spa. Slipped material along the Upside cutting required removal to allow the passenger line to be re-opened.

Reducing flood risk to surrounding residential and industrial areas in Goole

Green Asset Lab Enabling Works

Leveraging 4D Modelling at Southern Water

Emergency response to culvert collapse within a tidal river

Client: Excalon / Vital Energi Value: £600,000 Project Description/Main Operations V J Donegan & Co Ltd were approached by Excalon to provide a solution for laying 2 no. 710mm dia. gas pipes across Great Howard Street. Due to the high concentration of utility services within Great Howard Street it was deemed that an open-cut technique […]

Client: Vinci Project Description/Main Operations The VJ Donegan Civil Engineering team were approached by Vinci two years before works on the project commenced and developed the operations to enable both the diversion of an existing outfall running across the site, and also provide a new site connection for combined flows into the surrounding network. Scope […]

Client: Vinci PLC / Cheshire West & Chester City Council Value: £2,700,000 Project Description/Main Operations V J Donegan & Co Ltd were approached to work alongside Vinci PLC and Cheshire West & Chester City Council to provide a constructable solution for a new surface water outfall, from the Northgate Development Phase 1 in the heart […]

Large-diameter caisson and dewatering for regeneration infrastructure at the former RAF Sealand.

A look back at the Flushing Drums installation at Mallow Bridge for Uisce Éireann

Client: Costain / United Utilities Value: £2,200,000 Project Description/Main Operations V J Donegan and Co Ltd was enlisted to collaborate with Costain in via their MSP Framework in partnership with United Utilities on the Medlock CSO Screening project. This initiative aimed to minimize the environmental impact of combined sewer overflows into the Medlock watercourse, an […]

Great to see some of our RSFA precast concrete headwalls installed.

Pioneering the FujiClean wastewater treatment system at Calverhall in collaboration with Costain and United Utilities.

Innovatively installing three deep caisson shafts under a challenging high‐water table for Moortown Construction and Kier’s £850,000 York development

Refurbishing treated water storage infrastructure in Scotland

Rock face reinstatement project

Introducing a cutting-edge sewer inspection system designed for simultaneous above and below water data capture (first published in Business Enquirer Magazine – Issue 135 | March 2025)

Facilitating Severn Trent’s Strelley to Redhill Pipeline Project by delivering an innovative, environmentally-conscious solution to bolster Nottinghamshire’s water infrastructure and future AMP8 developments

An innovative approach to Severn Trent’s new 16km pipeline project drives sustainability and efficiency and significantly reduces carbon and costs in North Nottinghamshire

Air pigging technology commissioned for UK aqueduct project

Trant Engineering progress first stages of £15m upgrade for Southern Water

Sludge storage area & drying beds remediation project on Orkney to maximise social value for locals and tourists alike

Providing a remote location with a continuous water supply

TSL Ltd utilise the slide rail temporary works shoring system from National Trench Safety to achieve rapid progress on the groundworks and civils package

Structural rehabilitation of man-entry GRP culvert relining project

Specialist welding solutions

Ivor King – The Piling People use a Giken Full GRB System to overcome a narrow working corridor and deliver an eco-friendly solution

Vibration-free installation of cofferdam into hard ground to protect locally historic building alongside a tidal flow river

Wessex Water Services Ltd has used the Steve Vick International (SVI) Hexi Trailer to insert 800m of new PE pipe into an old cast iron main, saving time, money and disruption to road users.

Van Voskuilen Woudenberg B.V. has recently completed a mains renewal project for Vitens, The Netherlands, with the help of Steve Vick International (SVI) equipment

Steve Vick International’s Contract Service team gifted their time and resources to assist The Friends of Gedling Country Park on an overspill tank installation project

Resilient stormwater management

A vibration-free installation into hard ground close proximity to residential properties

Anti-slip circle installed to overcome embankment slippage

FT Pipeline Systems supplied steel pipes with a 3-layer PE external coating and DWI approved internal coating to MMB and United Utilities for the Hallbank Tunnel Replacement Project

Sheet piled cofferdam for the Birmingham Resilience Project

Installing sheet piles for sewer and water system upgrade

Installing steel sheet piles for sewer and water system upgrade

Installing soil nails

Xypex was used the western section of the tunnel and as the sole waterproofer for the Hammersmith Connection Tunnel. The Western Section runs from Acton to Carnworth Road in Fulham.

A South East Water fresh water reservoir near Sittingbourne in Kent was in need of some repairs to resolve water ingress and extend the life of the structure.

College Avenue WTW supports the Maidenhead water supply infrastructure. It is a strategically important production site and must run constantly and without outages to supply several thousand customers

Replacement and reinforcement of Harrogate’s water supply infrastructure

A three-year project to provide National Grid with a 5km long, 3.65m diameter tunnel bored 30m under the river bed

Upgrade the Water Supply GRID for Bridgewater with a challenging design

A temporary works solution for major sewer upgrades in Auckland, New Zealand

Providing support for the installation of a new foul pumping chamber tank in Jersey

Design and support for a hydro power house and turbine chamber in centre of Derby

Installation of a surface water drainage system to alleviate the flooding at Beaumaris Castle

FLI Precast Solutions construct blending chamber and PFET for Welsh Water

Installation of a sheet pile retaining wall for repairs to a subsided river bank to enable reinstatement of public footpath

Hard ground conditions and the risk of landslip meant using Giken Supercrush technology for a virtually silent and vibration free method of installation