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Galliford Try

Galliford Try is one of the biggest players in the water sector, working for 10 out of the 11 major water and sewage companies in the UK. As our clients look to invest in an ageing asset base, we are well positioned to serve their needs through our ‘Source to Sea’ capabilities across capital delivery and maintenance, and asset optimisation.

Clients increasingly value our approach to digitalisation, carbon reduction and innovation where our investment, combined with our adoption of off-site build Design for Manufacture and Assembly, is supporting them to achieve their own objectives of net zero carbon, lower cost and shorter programme duration.

We work on both frameworks and standalone projects, seeking to build long term and mutually beneficial partnering relationships with all of our clients, establishing clear and aligned objectives informed by a thorough understanding of all the risks and drivers involved.

Our fully integrated teams work alongside clients’ teams to identify and deliver optimum whole-life solutions, which add value while improving water quality, the environment and operational efficiency.

Melton Mowbray STW (2024)

Construction of a new EBPR process stream operating in a UCT configuration and updating existing assets to improve the quality of the effluent

Brook Street (Dawlish) CSO (2023)

Dawlish is a traditional seaside town on the south coast of Devon, approximately 12 miles south of Exeter and is a popular holiday and day trip destination. South West Water (SWW) and Galliford Try’s objective was to ensure that the bathing water quality did not deteriorate within the next 20 years by ensuring that there […]

Goddards Green WwTW (2023)

Goddards Green Wastewater Treatment Works (WwTW) is a Sludge Treatment Centre (STC) located near Burgess Hill in West Sussex. The catchment serves the towns of Burgess Hill, Hassocks, Hurstpierpoint and surrounding villages, providing for 54,789 people. The project implements an innovative approach to mitigate the likely odour from the processes at the WwTW to prevent […]

Hingston Down Reservoir (2023)

South West Water’s (SWW) Hingston Down Reservoir site is located on an exposed Cornish hilltop and contains two service reservoirs which supply nearby villages with potable water. Originally there was only one reservoir at the site and there was no way of being able to take it out of service for cleaning, so a Braithwaite […]

Littlehempston WTW (2023)

Littlehempston is a large complex potable water treatment works located near Totnes, South Devon, which has multiple river and reservoir sources. It supplies circa 78,000 properties to an area that includes Torbay, Newton Abbot and Kingsbridge. The original treatment works comprises flat bottom clarifiers (FBC) and rapid gravity filters (RGF), with an additional process stream […]

Marhamchurch SPS (2023)

Marhamchurch is a small village around 2.4km south of Bude and has a population of just over 800. Sewage from this village is pumped to a nearby large sewage treatment works which processes the waste from Bude and the surrounding area. The existing Marhamchurch Sewage Pumping Station (SPS) was built around 50 years ago and […]

Meadow Road Stormwater Tank (2023)

Budleigh Salterton is a seaside town on the coast in east Devon, at the start of the World Heritage Jurassic Coast, with a population of just over 5,000 people. It has been described as a picturesque town with a two-mile pebble beach for the hardy swimmers braving the seas for a dip in the beautiful […]

River Lyd Pumping Station (2023)

The River Lyd Pumping Station is consented to abstract up to 40 Mld from its intake source at Lifton, Devon during November through to March, pumping raw water approximately 7km to Roadford Reservoir. The pumping station was last used on a full operational basis during the mid-1990s and the original equipment had remained in a […]

Seedy Mill WTW (2023)

Seedy Mill WTW treats surface water from the Blithfield Reservoir. The existing supply to the works is gravity-fed up to a maximum of 85 MLD. Additional yield could be provided by utilising three in-line booster pumps located at Nethertown. In addition, there are two individual borehole contributions at Seedy Mill and Trent Valley, which can […]

St Augustines Road Flood Alleviation (2023)

St Augustines Road is a busy thoroughfare in Chesterfield linking the town to Matlock and the south-eastern edge of the Peak District. Lying within the Yorkshire Water (YW) waste catchment area, the road is steep in its nature with gradients often exceeding 7%. Due to the local hydraulic catchment and topography, during heavy rainfall events […]

Stithians WTW (2023)

Upgrading the existing water treatment process with GAC and UV treatment to meet long term taste and odour targets

Stroud Sewerage Strategy Project: Part 2 (2023)

The Stroud Sewerage Strategy is a major investment by Severn Trent which is required to overhaul of the existing sewer network by installing almost 3.5km of enlarged sewer pipe, separating surface water from the sewage network, creating additional storage with smart controls to hold stormwater back during large storm events before returning it to the […]

Thankes Park Sewage Pumping Station (2023)

South West Water’s Thankes Park Sewage Pumping Station (SPS) is situated in a housing estate, close to Thankes Lake along the River Tamar in a busy public park with extremely limited access. The park has been undergoing renovation and development by locals who upkeep the maintenance to stimulate interest in its historic and heritage value […]

Whitehall Distribution Service Reservoir (2023)

Whitehall Distribution Service Reservoir (DSR) is located on Stronsay, one of the north isles in Orkney, located 25 miles to the north of the Orkney mainland. The isle is home to 350 residents and is accessible by public ferry and plane. The Stronsay WTW that feeds the DSR is 300m to the south of the […]

Blackburn and Darwen WwTWs (2022)

Both Blackburn WwTW and Darwen WwTW discharge final and storm effluent to watercourses that are tributaries of the River Darwen, feeding into the River Ribble estuary and the bathing waters of the Fylde coast in the Irish Sea. At Blackburn WwTW, which provides treatment for a population equivalent (PE) of approximately 400,000, construction of the […]

Keadby Terminal Assisted Outfall Pumping Station (2022)

Keadby Terminal Assisted Outfall (TAO) Pumping Station is at the end of an intricate system of rivers and pumping stations within the low-lying Isle of Axholme catchment in Lincolnshire. It was originally built in the 1940s to discharge water from three parallel channels known as the Three Rivers, into the River Trent during high tides. […]

Papplewick Borehole Pumping Station (2022)

Papplewick Borehole Pumping Station is one of a series of pumping stations constructed during the Victorian period by Thomas Hawksley to provide clean and reliable drinking water to the city of Nottingham. When brought into operation in 1884, the steam pumping station extracted groundwater via two deep wells with an ornate housing constructed over Well […]

Severn Trent Borehole Capital Maintenance (2022)

Severn Trent is undertaking a programme of rehabilitation works at one its borehole pumping stations (BPS); a groundwater abstraction site consisting of three boreholes (BH1, BH2 and BH3) that provides up to 10 megalitres per day (Ml/d). The three boreholes historically operated in a duty/assist/standby configuration. The site was previously operating at below its intended […]

Stroud Sewerage Strategy Project: Part 1 (2022)

Stroud is located in Gloucestershire near the southern boundary of the Severn Trent region between Gloucester and Bristol. The catchment is a mix of urban and rural areas and has a population of circa 67,000. The sewerage network is primarily a combined network with Wallbridge Combined Sewer Overflow (CSO) being a key asset close to […]

Teversal S101a - First Time Sewerage Scheme (2022)

In September 2014 Severn Trent received an application under Section 101A of the Water Industry Act to provide first time sewerage to 11 properties in the Nottinghamshire village of Teversal. The outcome of an assessment of the existing sewerage provisions identified environmental or amenity problems at 18 properties and concluded that the provision of a […]

Blackburn and Darwen WwTWs (2021)

Blackburn WwTW was constructed in the 1960s and principally treats domestic crude sewage from the Blackburn catchment, with two major additional contributions; a high strength trade effluent from the InBev brewery and an ammonia rich return liquor flow from the sludge treatment plant. The key river water quality/water framework directive parameters within the revised environmental […]

Cownwy & Marchnant WFD Project (2021)

The River Marchnant and River Cownwy lie within the valley of Lake Vyrnwy, Powys. The purpose of this project is to provide environmental flow releases below the Cownwy and Marchnant diversion intakes that supply Vyrnwy Reservoir. The scheme will amend the existing structures to enable a 25/75% proportional flow split, including a Q99 hands-off flow. […]

Craighead WTW (2021)

Craighead WTW is a new water treatment works located on a greenfield site close to the existing works in the north-east of Scotland. The project objective is to improve the treatment of water to the customers of the town of Huntley and surrounding areas. The existing Craighead WTW has reached the end of its economic […]

Hull WwTW - Project Update (2021)

Located in Saltend, Yorkshire Water’s Hull WwTW provides sewage treatment for a population equivalent of over 1 million people, covering an area from the west of Hull to Hedon in the east. This case study follows on from an initial paper in 2020 and details the progress of the new inlet works and the refurbishment […]

Lowdham, Gunthorpe Road, Flood Alleviation (2021)

Lowdham is a village in Nottinghamshire that had a history of external and internal sewer flooding to properties, caused by hydraulic incapacity of the combined sewer network. A new 1400m3 offline storage tank was required along with catchment resilience work, which included working in partnership with the local authority to resolve surface water flooding, by […]

Rosebery WTW (2021)

Located in Temple, near Gorebridge, in Midlothian, Scotland, Rosebery WTW treats raw water sourced from Megget and Gladhouse Reservoirs which is blended at the works inlet. The blended raw water is generally low in turbidity (2.0 NTU 95%ile), moderate colour (63 mg/l Pt/Co 95%ile), with average to high metals concentrations (55 to 300ug/l Mn, Al, […]

Severn Trent Eels Regulation Compliance (2021)

The Eels (England and Wales) Regulations 2009 came into force on 15 January 2010 to support the UK in implementing EC Council Regulation (1100/2007). The regulations require all surface water abstractions of more than 20m3/d to be fitted with suitable eel screens by 2021. A batch extension was granted to Severn Trent until end of […]

Walton S101a - First Time Sewerage Connection (2021)

The picturesque village of Walton is located within the heart of Warwickshire adjacent to the River Dene. The existing privately owned sewage treatment facility located on the bank of the River Dene was life expired and would often flood, resulting in pollution to the river. An application was made to Severn Trent under Section 101a […]

Blackburn and Darwen WwTWs (2020)

Blackburn WwTW, located at Samlesbury near Blackburn, serves a population equivalent (PE) of approximately 400,000 and discharges final and storm effluent to watercourses that are tributaries of the River Darwen, feeding into the River Ribble estuary and ultimately into the bathing waters of the Fylde coast in the Irish Sea. Over the last 12 months, […]

Bolton-upon-Dearne WwTW (2020)

Bolton-upon-Dearne Wastewater Treatment Works serves approximately 25,000 customers in Rotherham. Faced with an Environment Agency consent to reduce ammonia at the works, Yorkshire Water has undertaken a £12.3m, 14-month project to construct a brand new inlet works and install a new treatment process that will greatly improve the quality of water being released back into […]

Brancote Sludge Treatment Centre (2020)

Located to the east of Stafford, Severn Trent’s Brancote Sewage Treatment Works (STW) catchment will see an increase in population from 78,075 current population equivalent (PE) to 85,532 by 2028. The site is split into two distinct areas with the STW processing the sewage flows from within its own catchment and the sludge treatment centre […]

Bray Keleher WTW (2020)

The Bray Keleher Water Treatment Works (WTW) abstracts and treats a maximum of 45 Ml/d of river Thames water and is located on Monkey Island Lane, Bray, between Windsor and Maidenhead. The works is of strategic importance in maintaining supplies to the western region of South East Water (SEW). As part of the final determination […]

BRP - Elan Valley Aqueduct - Birmingham Resilience Project (2020)

Between 1893 and 1904 the Birmingham Corporation dammed the Elan Valley in Wales and constructed an aqueduct to channel water to Birmingham. At the height of the industrial revolution, between 1800 and 1900 Birmingham was booming, and its population rose substantially. Following outbreaks of smallpox and diarrhea, city officials deemed it essential to provide its […]

BRP - Treated Water Project - Birmingham Resilience Project (2020)

Raw water has been collected in reservoirs in the Elan Valley in Wales and transferred 118km under gravity through an aqueduct to the water treatment works (WTW) in Birmingham for treatment and distribution to the city’s residents and industries since the beginning of the 20th century. The original infrastructure was constructed over 100 years ago, […]

Church Wilne WTW (2020)

Situated on the Derbyshire/Nottinghamshire border, Church Wilne WTW serves 600,000 Severn Trent (ST) customers in the East Midlands. Built in 1967 to extract and treat 27 ML/day from the River Derwent, the works has been extended twice to 135 ML/day meeting the needs of both a growing population and increased water quality standards. However, the […]

Hull WwTW (2020)

Hull WwTW located at Saltend, east of Hull, provides sewage treatment for a population equivalent of over 1 million people, covering an area from the west of Hull to Hedon in the east. The existing treatment works was built over 20 years ago and required some specific upgrading and refurbishment. The primary drivers for the […]

Invercannie WTW (2020)

Located to the West of the town of Banchory, Aberdeenshire, Scottish Water’s Invercannie WTW is currently a 49 Ml/d water treatment works which serves the local population as well as providing raw and treated water to Mannofield WTW in Aberdeen via two 28km aqueducts (one laid in 1866 and the other in 1924). The treatment […]

Ketford Borehole Pumping Station (2020)

Severn Trent’s Ketford Borehole Pumping Station (BPS) is a critical source which feeds into the Bromsberrow BPS, where the water is blended before being pumped into supply. The pumping station was vulnerable to outage largely due to having a single operational borehole. There were three boreholes at the site (BH1, BH2 and BH3), which historically […]

Kirk Hallam, Abbott Road, Flood Alleviation Scheme (2020)

Kirk Hallam is a village on the outskirts of Ilkeston, Derbyshire in the East Midlands. It had a history of internal and external property flooding from the sewerage network in three separate locations within the catchment. Severn Trent (ST) appointed nmcn PLC (now Galliford Try) as the design and build contractor under the AMP6 framework […]

Langsett WTW (2020)

Yorkshire Water’s Langsett Water Treatment Works (WTW) is located 17km north-west of Sheffield in South Yorkshire, on the edge of the Peak District National Park. The WTW treats raw water which is extracted by gravity from two upland impounding reservoirs at Langsett (adjacent to the WTW) and nearby Midhope (approximately 1km south-east of the site). […]

Newark Waste and Water Improvement Project (2020)

Severn Trent have made a £60m investment in Newark-on-Trent upgrading the sewers and water supply network throughout the town. The project provided relief to some 400 homes and businesses from sewer flooding, and provided a robust water supply system which will serve the town for many years to come. The project included a 2.8km segmental […]

Newham STW (Threemilestone Project) 2020

Newham Sewage Treatment Works is located on the outskirts of Truro, Cornwall. The site treats wastewater from the city and the surrounding areas which are experiencing a rapid population growth. A £6.8m project was sanctioned by South West Water in May 2018 to provide a new secondary process stream, utilising the novel Nereda granular activated […]

Nottingham, Shakespeare Street, Flood Alleviation (2020)

Shakespeare Street in Nottingham is situated at the heart of Nottingham Trent University campus, a short walk from the main square in the city centre. The basements of a number of buildings in the area suffered repeat sewer flooding, ranking inside the top 1% of all flood risks across the Severn Trent (ST) region. In […]

Tarbert WTW (2020)

Tarbert WTW is located on the edge of Loch Fyne, an inland sea loch, west of the small village of Tarbert in Argyll & Bute. The water treatment works is supplied from the Loch a’ Chaorainn located 5 miles north-west of the treatment works, serving a population of approximately 3,000. To remove the risk of […]

Uig WTW is located on the west coast of Lewis and provides potable water to the community of around 500 residents, with a significant tourist increase in the summer months. The works are gravity-fed by a high-level loch around 2km from the site. Treated water is then pumped from the water treatment works to a […]

Upperwood S101a - First Time Sewerage Scheme (2020)

As part of Severn Trent’s ongoing duty to provide public sewers under section 101A of the Water Industry Act 1991 (S101a), nine properties in the hamlet of Upperwood, Matlock Bath, required connection to such a system. These properties were served by private septic tanks, discharged into the limestone aquifer below. Severn Trent appointed Galliford Try […]

Zouch S101a - First Time Sewerage Scheme (2020)

Zouch is a small hamlet situated along the A6006 on the border of Leicestershire and Nottinghamshire and consists of 43 properties that had no access to public sewerage. Due to the canalisation of the River Soar, the hamlet is entirely surrounded by water with the main River Soar to the South and the navigable Zouch […]

Ardersier WwTW (2019)

Ardersier is located on the Moray Firth some 11 miles east of Inverness. The wastewater treatment works serves the town of Ardersier and the surrounding area including Inverness Airport and Fort George Barracks. It currently serves a population of less than 2,000 but there are significant developments planned in the area with a long-term future […]

Battlefield Brook Fish Passage (2019)

Battlefield Brook catchment encompasses farmland, Catshill Marsh (which used to be a Site of Importance for Nature Conservation; SINC), urbanised reaches adjacent to the M5 and Sanders Park; a public amenity facility owned by Bromsgrove District Council. The section of the brook through Sanders Park was lined with concrete in the 1960s. Despite its urbanised […]

Blackburn and Darwen WwTWs (2019)

Both Blackburn WwTW and Darwen WwTW discharge final and storm effluent to watercourses that are tributaries of the River Darwen, feeding into the River Ribble and ultimately impacting on the bathing waters of the Fylde coast. Following on from the Blackburn and Darwen WwTWs (2017) article and Blackburn and Darwen WwTWs (2018) article, both published […]

Blythe & Bourne Fish Passage (2019)

The River Blythe is a tributary of the River Tame east of Birmingham – neither of the rivers are at good ecological status. Although reasons for failure under the Water Framework Directive (WFD) are complex, the Environment Agency (EA) identifies barriers to fish and eel passage as part of the problem. Severn Trent has gravity […]

Boughton STW (2019)

Boughton STW is a medium sized sewage treatment works serving a population equivalent of approximately 13,000 located about 8 miles south-east of Worksop in Nottinghamshire. As part of Severn Trent’s commitment to the Water Framework Directive (WFD) to improve the quality of waterbodies in the region within AMP6, Boughton STW was highlighted to accept a […]

Bradan WTW (2019)

Located in South Ayrshire, Scotland, Bradan Water Treatment Works (WTW) has a capacity of 120 Ml/day, with an output of approximately 70 Ml/day. The existing treatment processes comprise aluminium sulphate coagulation, dissolved air flotation, primary filtration, manganese contactors, orthophosphate dosing, lime and disinfection. The works supplies a large area along the west coast of Scotland, […]

Bray Keleher WTW (2019)

The Bray Keleher Water Treatment Works (WTW) abstracts and treats a maximum of 45 Ml/d of water from the River Thames and is located on Monkey Island Lane, Bray which is part way between Windsor and Maidenhead. The works is of strategic importance in maintaining supplies to the western region of South East Water (SEW). […]

BRP - Treated Water Project - Birmingham Resilience Project (2019)

Since the beginning of the 20th century, raw water has been conveyed 118km from the Elan Valley in Wales, under gravity by aqueduct, to the water treatment works (WTW) in Birmingham for treatment and supply to the population of the city. The aqueduct has been in continuous service for over 100 years and requires some […]

Chlorine and Sulphur Dioxide Gas Removal (2019)

In 2016 Yorkshire Water made the strategic decision to remove all chlorine and sulphur dioxide gas from its Water Treatment Works. This formed part of the Yorkshire Water Safety Improvement Plan as the existing toxic gas disinfection systems were becoming non-compliant with Health and Safety regulations and posed a potential significant risk to employees and […]

Coleshill FWAD Biomethane Scheme (2019)

The Coleshill Food Waste Anaerobic Digestion Plant processes 48,500 tonnes per annum of food waste collected generally within 30 miles of the site. The site has been in continuous operation since January 2015 when it first received commercial customers. It is currently estimated that this project can deliver 5.5GWh per annum (electrical equivalence) of new […]

Crankley Point Terminal Pumping Station (2019)

Crankley Point Sewage Treatment Works (STW) is a Severn Trent asset serving Newark-on-Trent, a town in Nottinghamshire with a population of just under 30,000. As part of the £60 million Newark Waste and Water Improvement Project, a new terminal pumping station (TPS) and screening chamber (SC) with outfall to the River Trent was required to […]

Cropwell Bishop STW (2019)

Located to the south-east of Nottingham, Severn Trent Water’s Cropwell Bishop Sewage Treatment Works (STW) serves 700 residential premises in the village and a number of local businesses, including the Cropwell Bishop creamery, which contributes a significant phosphorous loading to the catchment. It also receives pumped sewage flows from the adjacent village of Cropwell Butler. […]

Earl Shilton STW (2019)

Earl Shilton Sewage Treatment Works (STW) is situated in south west Leicestershire and serves a population equivalent of 11,833 comprised mainly from domestic sources from Earl Shilton and Barwell. There has been a STW in this location since the 1960s and the current process workstream includes preliminary treatment, primary settlement, secondary filtration, secondary settlement and […]

Glenlatterach WTW (2019)

Located south of the town of Elgin in the north east of Scotland, Scottish Water’s Glenlatterach WTW is situated in the heart of Speyside, home to some of Scotland’s most beautiful scenery as well as roughly half of all of the whisky distilleries operating in Scotland. Raw water is abstracted from the Glenlatterach Reservoir and […]

Gulson Road (Coventry) Sewer Diversion (2019)

As part of the ongoing growth of Coventry University, an existing builder’s merchant yard situated off Gulson Road provided a developer with the ideal city centre plot to construct an extensive eight-storey student accommodation building. The brownfield site redevelopment required an existing Severn Trent owned trunk sewer to be diverted prior to the construction work […]

Inverurie WwTW (2019)

Inverurie Wastewater Treatment Works lies on the banks of the River Don in Aberdeenshire, at the confluence with the River Urie, and serves a current population of approximately 28,000 people with substantial future growth within the catchment forecasted. This project has been initiated by Scottish Water to provide compliance with new nutrient discharge consents under […]

Kiln Road Sewage Pumping Station (2019)

The 2010 Shellfish Waters Directive placed a new obligation on South West Water (SWW) to ‘endeavour to meet’ the Shellfish Waters Regulations ‘Guideline’ Standard (Class B). The Shellfish Waters (SFW) programme of work was to meet legislative requirements to protect or improve designated shellfish waters to support shellfish life and growth, contributing to the quality […]

Loch Ness Regional WTW (2019)

Loch Ness Regional is a new multi-site £22m water treatment works and infrastructure project for Scottish Water improving the water supply to their customers from the villages of Fort Augustus and Invermoriston, both to the south of Inverness. Located on the banks of Loch Ness, the project’s objective is to improve the treatment of water […]

Mansfield, Gunthorpe Court, Flood Alleviation (2019)

A £940k flood alleviation scheme has been successfully completed in Nottinghamshire. Mansfield, Gunthorpe Court, was a scheme designed to tackle insufficient stormwater capacity which was causing internal and external flooding to numerous properties in the area. Part of the solution was to provide 480m3 of storage by converting an existing pedestrian subway into an attenuation […]

Slimbridge Infiltration Reduction (2019)

In 2013, two villages in Gloucestershire; Slimbridge and Cambridge, were identified by Severn Trent to be suffering from significant infiltration of groundwater. The Slimbridge and Cambridge catchment is home to approximately 1,136 people (2011 census) and contains an ecologically important wetland. Both villages have historically high groundwater levels and extensive CCTV footage of mainline, lateral […]

Stocksbridge WwTW (2019)

Stocksbridge WwTW is located in the village of Deepcar on the outskirts of Stocksbridge, approximately 7km northwest of Sheffield city centre. It currently serves a population of 13,000, but this is expected to grow towards 15,000 by 2030. Major housing development is ongoing near the existing works, and as part of this Yorkshire Water reached […]

Uttoxeter STW (2019)

Situated in Staffordshire, close to the Derbyshire border, Uttoxeter STW serves a mainly domestic population from the town itself. Following catchment modelling, it was determined that there will be significant growth in the population, reaching 24,498 population equivalent in 2035. This increased population would mean that the existing inlet works would not have sufficient capacity […]

Bellozanne STW (2018)

Jersey is the largest of the Channel Islands and is a Crown Dependency located off the coast of Normandy, France. The island is governed by the States of Jersey (SoJ) which has responsibility for the management of the Island’s finances and operation of its public services. Jersey does not sit within the European Union but […]

Blackburn and Darwen WwTWs (2018)

Following on from the Blackburn and Darwen WwTWs (2017) article, the site at Samlesbury, Blackburn, has been prepared for the construction of the 72,000m3 structure which will house the innovative Nereda® aerobic granular biomass technology. The Nereda® system will treat crude sewage that has only received preliminary treatment and has been developed to treat the […]

BRP - Elan Valley Aqueduct (Nantmel and Frydd Wood) - Birmingham Resilience Project (2018)

At the height of the industrial revolution, Birmingham’s population was booming. Between 1800 and 1900, the city had grown substantially. An innovative solution was needed to provide its residents and industries with safe drinking water. James Mansergh had identified the Elan Valley as a source for water. With Birmingham located so far in land, the […]

BRP - Elan Valley Aqueduct (Severn Siphon) - Birmingham Resilience Project (2018)

The Elan Valley Aqueduct (EVA) is a Victorian water structure built between 1893 and 1904. The aqueduct transports water entirely by gravity from the Elan Valley in Wales to Frankley Water Treatment Works in Birmingham, and comprises a combination of cut and cover conduits, siphons and tunnels. Over 100 years on and this aqueduct still […]

BRP - Treated Water Project - Birmingham Resilience Project (2018)

Since the beginning of the 20th century, the Elan Valley Aqueduct (EVA) has conveyed raw water 118km from the Elan Valley in Wales under gravity to Frankley Water Treatment Works (WTW) in Birmingham. The treatment works was inaugurated at the same time as the EVA and has treated water, to supply the residents and industries […]

Countess Wear Stormwater UV Irradiation Plant (2018)

As of May 2017 there are 137 designated shellfish protected waters in England and of these, 25 are located within the South West Water region. It is estimated that the industry associated with shellfish production areas in the South West is worth £5.35m per annum (figure from EA based upon Shellfish Association of Great Britain […]

Fort Cumberland Sea Defences (2018)

Three of Southern Water’s underground storm tanks next to the historical Fort Cumberland have played a crucial part in helping to prevent homes in Portsmouth from sewage flooding during stormy weather. Although redundant, the old sea defences protecting the tanks needed replacing and strengthening, and ongoing maintenance is essential to preventing their contents polluting the […]

Hagley (Newfield Road) Flood Alleviation (2018)

The small town of Hagley, Worcestershire is served by an ageing sewer network which drains the wastewater of the 6,000 inhabitants towards the large Milestone Drive Sewage Pumping Station. Following decades of growth, misconnections and increased urbanisation within the existing catchment, hydraulic pinch points on the foul sewer network subjected numerous clusters of low-lying properties […]

Inverurie WwTW (2018)

Inverurie WwTW is located in Aberdeenshire in the north-east of Scotland and provides sewage treatment for Inverurie and the surrounding area including Blackburn, Kintore and Port Elphinstone. It currently serves a population of 28,000, but Inverurie is one of the most rapidly growing towns in terms of population in the UK, with an estimated population […]

Irton WTW (2018)

Yorkshire Water’s Irton Water Treatment Works (WTW) is located 5.5km southwest of Scarborough in North Yorkshire. The WTW abstracts water from an aquifer via numerous boreholes and supplies two local service reservoirs; Springhill and Low Mount, which feed Scarborough and the surrounding area. Demand profiles are seasonably variable. The site has an abstraction licence for […]

Lochaline Water Quality Upgrade Project (2018)

The Lochaline Water Quality Upgrade Project required the design and delivery of a whole new water treatment works at Lochaline in the remote Morven Peninsula. A modern and compact membrane based treatment technology was selected which would support a rapid and efficient delivery strategy. The key to the delivery strategy was an on off-site modular […]

Minworth STW - ICA Enablers Scheme (2018)

Minworth is Severn Trent Water’s (STW) largest sewage treatment works serving an population equivalent (PE) of 1.75 million from Birmingham, with a full flow to treatment of 1,070Ml/d. The plant treats sludge from a PE of 2.3 million, which is made up of indigenous sludge plus imported sludge. As part of Severn Trent’s Capital Investment […]

Minworth STW - Thermal Hydrolysis Plant (2018)

Minworth STW is Severn Trent’s largest sewage treatment works and serves a population equivalent of 1.75 million from Birmingham with full flow to treatment of 1,070Ml/d. The works treats sludge arising from a population equivalent of 2.3 million which is made up of indigenous sludge plus imported sludge from the nearby Coleshill STW and various […]

Pebworth-Long Marston-Stratford upon Avon Transfer (2018)

Long Marston Sewage Treatment Works (STW) is located approximately 4 miles south of Stratford-upon-Avon in Warwickshire and until recently was treating wastewater from a population of 2,500 in Long Marston and Quinton. Significant development in the catchment will see the population served rise to approximately 15,000 over the next 20 years. The former Ministry of […]

Plymouth Central STW Stormwater UV Irradiation (2018)

The European Union’s (EUs) revised Bathing Water Directive (rBWD) (2006/7/EC) came into force in March 2006 replacing Bathing Water Directive (BWD) (76/1160/EEC). The overall objective of the revised directive is the protection of public health. From November 2015, a new classification system for bathing waters (excellent, good, sufficient or poor) was introduced, with more stringent […]

River Thames Scheme (2018)

Big problems require bold solutions. That is what the Environment Agency (EA) is proposing with the River Thames Scheme. The EA is tasked with protecting one of the most developed, yet undefended, flood plains in England – the River Thames between Windsor in Berkshire and the western fringes of greater London – an area with […]

Rivelin WTW - Sirofloc Replacement: Part 2 (2018)

Yorkshire Water Services (YWS) committed to the Drinking Water Inspectorate’s (DWI) compliance date of 31 December 2017 for beneficial completion of a new clarification process at Rivelin WTW. The £25m scheme required the design and construction of a large 82.5MLD buried treatment plant (80m long, 40m wide and 14m high) on the border of the […]

South West Water Shellfish Waters NEP AMP6 Programme (2018)

The 2010 Shellfish Waters Directive placed a new obligation on South West Water (SWW) to endeavour to meet the Shellfish Waters Regulations ‘Guideline’ Standard. (Class B). The Shellfish Waters (SFW) programme of work was to meet legislative requirements to protect or improve designated shellfish waters to support shellfish life and growth, contributing to the quality […]

Stanford Reservoir Spillway Extension (2018)

Stanford Reservoir is an impounding reservoir that is located in the upper reaches of the River Avon. The catchment area of the reservoir is 55.2km2. This scheme was developed following a Section 10 Report (MWH – now Stantec UK – 2014), where after the re-categorisation of the reservoir from B to A, the Inspecting Engineer […]

Stoke Bardolph - Energy Crop AD Plant (2018)

In August 2010, Severn Trent commissioned its energy crop anaerobic digestion plant at Stoke Bardolph, Nottingham. It was built to help power the nearby sewage treatment works using crops grown on contaminated farmland which is not suitable for food production. The energy crop plant was sized to convert 37,000 tonnes of maize silage each year […]

Strongford STW - THP (2018)

Strongford STW is located at the north west end of Severn Trent’s region and covers a significant catchment in and around Stoke-on-Trent with a population equivalent of 350,000. The Strongford digestion plant currently processes 34 tonnes dry solid per day (tds/day) indigenous; and 14 tds/day liquid imports which includes 7 tds/day from the recently closed […]

Uttlesford Bridge WTW (2018)

Originally built in 1965, Uttlesford Bridge Pumping Station near Saffron Walden consisted of two boreholes, a contact tank, booster pump suction tank and treatment by marginal chlorination. The licence at Uttlesford Bridge is a combined group licence with Springwell Farm of 13.64MLD. There are times during peak demand that up to 5MLD compensation flow is […]

Ambergate Strategic Service Reservoir Renewal: Phase 2 (2017)

The existing Ambergate Reservoir was commissioned in 1907 and formed a part of the Derwent Valley Aqueduct receiving water from the Upper Derwent Valley. Water treated at Bamford WTW is delivered to Ambergate Reservoir by gravity via the aqueduct. The existing reservoir had a capacity of 128Ml supplying water to the cities of Derby, Nottingham […]

Blackburn and Darwen WwTWs (2017)

Blackburn and Darwen WwTWs are two of United Utilities’ major treatment works and are located near the former mill town of Blackburn, Lancashire. The Blackburn and Darwen WwTW Integrated Solution (BDIS) project combines new river water quality and bathing water drivers at these two works into a single integrated project. The integrated approach will give […]

BRP - Elan Valley Aqueduct (Bleddfa) - Birmingham Resilience Project (2017)

At the height of the industrial revolution, Birmingham’s population was booming. Between 1800 and 1900, the city had grown substantially. An innovative solution was needed to provide its residents and industries with safe drinking water. James Mansergh had identified the Elan Valley as a source for water. With Birmingham located so far in land, the […]

Heanor Breach Road Flood Alleviation Scheme (2017)

Severn Trent Water has completed the £1m Heanor Breach Road Flood Alleviation Scheme which will reduce the flooding witnessed by numerous properties on Breach Road, Heanor. The scheme works by quickly conveying the combined sewer water away from the properties at risk of flooding and safely storing it in a 163m long 2.1m diameter tunnel. […]

Kingston WTW Microfiltration Project (2017)

Kingston Water Treatment Works (WTW) is located within a 10 minute drive from Canterbury town centre and the train station. The treatment works is located within the Kent Downs Area of Outstanding Natural Beauty (AONB) and is surrounded on three sides by a mature wooded area and on one side by two residential properties. Raw […]

Linnet Rise Flood Alleviation scheme (2017)

The complexity of the flooding issues associated with the low lying properties on Linnet Rise was investigated following secured funding from Severn Trent Water. Under the AMP6 framework agreement NMCNomenca (now Galliford Try) was appointed as design and build contractor and worked closely with the STW solution team to develop the best TOTEX solution for […]

Minworth STW - Thermal Hydrolysis Plant (2017)

Minworth STW is Severn Trent Water’s largest sewage treatment works and serves a population equivalent of 1.75 million from Birmingham with full flow to treatment of 1,070Ml/d. The works treats sludge arising from a population equivalent of 2.3 million which is made up of indigenous sludge plus imported sludge from the nearby Coleshill STW and […]

Papplewick Borehole Pumping Station (2017)

Papplewick Borehole Pumping Station (BPS) is located near to Papplewick Village in Nottinghamshire. The site is located within the boundaries of the original and now historic and English Heritage protected site. The scheme replaced the existing outdated and none regulative equipment with a new ultra violet disinfection plant. The team fulfilled their obligations ensuring water […]

Retford STW (2017)

Retford STW is located to the north of the town of Retford, Nottinghamshire. It serves a population of approximately 26,000. The project was to address capital maintenance works which includes the replacement/refurbishment of expired life items and the addressing of operational risks. The inlet works screens were capturing approximately 15% rags which was creating a […]

Salford Priors S101a - First Time Sewerage Scheme (2017)

An application for first time sewerage has been made under Section 101A of the Water Industry Act 1991. The application requests Severn Trent Water (STW) provide access to a public sewer for 28 duty (polluting) properties in the Iron Cross, Rushford and Pitchill settlements in the area to the west of Salford Priors, Warwickshire. An […]

Saltend WwTW (2017)

Yorkshire Water’s Saltend WwTW had a history of environmental under-performance which resulted in a significant number of customer complaints due to odour. Between September 2015 and May 2016, £18m of refurbishment and upgrade work was carried out on a fast track basis to improve this performance. Commercial arrangements were adjusted from normal framework conditions to […]

Shirebrook STW (2017)

Shirebrook STW is located approximately 5 miles north of Mansfield town centre and caters for a population equivalent (PE) of 12,000. As part of the AMP6 Chemical Investigations Programme, Severn Trent Water is required to carry out a full scale trial of a ‘proprietary’ iron dosed sand filter plant on a works serving between 10,000 […]

Woolmans Wood Phase 2 (2017)

Between 2011 to 2013, Southern Water invested £14m replacing old water mains in the Chatham, Gillingham and Rochester. An additional £8 million is now being invested to replace a further 28km of 85-year-old water mains and service pipes to further improve water supply pipes and reduce the risk of discoloured water. The Chatham supply zone […]

Botley Park Trunk Sewer (2016)

The Ashill Group is building a development of 1,400 new homes and businesses to the east of Southampton on Botley Park Golf Course and the adjacent farmland. As the local sewerage undertaker, it is Southern Water’s statutory duty to connect this development to its foul sewer network. Following initial investigations, Southern Water confirmed that the […]

Camels Head WwTW (2016)

South West Water’s Camels Head WwTW, is located in a residential area of Plymouth, Devon and serves a population equivalent (PE) of 41,500. Capital maintenance is required due to issues with current full flow to treatment (FFT) compliance, which is constrained by the primary settlement tanks (PSTs) capacity, odour from the site, inlet screening and […]

Garendon Green (Loughborough) Flood Alleviation (2016)

Garendon Green is a residential street situated approximately 1km to the west of Loughborough town centre, north of the university and west of the hospital. Garendon Green runs parallel to the Burleigh Brook into which the local surface water drainage outfalls. The combined sewer discharges into the main Loughborough trunk sewer approximately 1,300m downstream. In […]

Gloves Lane (Blackwell) Terminal Pumping Station (2016)

Blackwell is a large village in the northeast of Derbyshire, close to the town of Alfreton, with a population of approximately 3,000 people. Within the village, at the bottom of the narrow Gloves Lane, Severn Trent Water’s terminal sewage pumping station (TPS) receives significant incoming flow from not only the village itself but also the […]

Hassocks Lane (Beeston) Sewer Requisition (2016)

Bellway Homes Ltd submitted an application for foul and stormwater sewers requisition under Section 98 of The Water Industry Act 1991 for a new housing development in Beeston, Nottingham. With no pre-existing drainage on the site it was necessary for the drainage from the 128 new properties to extend across 3rd party land and into […]

Kelham Road (Newark) Flood Alleviation Scheme (2016)

As a result of long term flooding problems in Newark, Severn Trent Water set up and now chair the Newark Flood Forum in order to work closely with national and local government agencies and the wider Newark community, including those directly affected by flooding. The purpose of the forum is to ensure that the views […]

Llandinam Resilience Scheme (2016)

The £2.9m Llandinam Resilience Scheme required the design and construction of a 20,000m3/day treatment plant which can be brought online reliably within 6 hours of detecting a significant failure of the existing treatment stream. The successful completion of the scheme by design and build contractor Mott MacDonald Bentley (MMB) on behalf of Severn Trent Water, […]

Liverpool WwTW (2016)

United Utilities’ (UU) flagship sequencing batch reactor (SBR), constructed in the Wellington Dock heritage site is now complete and in successful operation. The £200mn Liverpool WwTW upgrade scheme has delivered a state-of-the-art works to improve the quality of the water in the River Mersey. The project was part of the £3.6 billion invested by United […]

Military Road Rising Main Replacement Scheme (2016)

Ramsgate is a seaside town on the North East Kent coast; its coastline and harbour attracts thousands of tourists each year. The wastewater from the town is pumped to Weatherlees Hill Wastewater Treatment Works, situated inland over 6km away. Over a 15-year period the pipeline had suffered a number of bursts and needed replacing as […]

SAL 172 Stormwater Storage: Part 2 (2016)

The SAL 0172 project formed part of a cluster of schemes in the Manchester area, as part of United Utilities £3.6 billion AMP5 investment programme across the North West. The project was completed by Galliford Try-Costain-Atkins Joint Venture, (GCA JV), as main contractor to United Utilities. Originally covered in the UK Water Projects 2014-2015 edition, […]

Sotshole (Heage) Sewage Pumping Station (2016)

Severn Trent Water’s (STW) Sotshole Sewage Pumping Station is situated between the village of Heage and the town of Belper, Derbyshire. The existing pumping station serves approximately 330 individuals from the surrounding residential area and is comprised of a wet and dry well topped by a brick superstructure. The emergency overflow chamber is located within […]

South East Coalville Growth Scheme (2016)

North West Leicestershire District Council’s long term housing proposals include an allocation of 3,200 dwellings to the south east of Coalville. Without sewer capacity improvements the additional flows will increase flood risk and combined sewer overflow (CSO) spills and so proactive capacity improvements are required to meet Severn Trent Water’s AMP6 outcomes to ‘safely take […]

Waterworks Road WTW Microfiltration Project (2016)

Waterworks Road WTW is located within a 10 minute walk from Eastbourne town centre and the terminal train station. The water treatment works is located in an urban area, surrounded by a mixture of residential and light commercial properties. Raw water is abstracted from a single off site borehole which itself is fed by a […]