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Saint Gobain PAM UK

Saint Gobain PAM UK is the premier supplier of ductile iron and cast iron products to the UK's key utilities, telecoms, highways, civil engineering, construction and housing companies.

We’re a leading manufacturer of ductile iron access covers, gully gratings, and pressure pipeline systems, helping the UK’s utility, highways, telecoms and infrastructure network owners reduce their whole-life costs and carbon while improving their asset durability and health and safety standards.
We proudly manufacture our solutions, which enables us to not only meet but exceed the most stringent safety, quality and environmental standards. This means all of our access covers, gully gratings, and surface boxes are 100% recyclable.
By providing innovative and sustainable access covers, gully gratings and pipeline systems that are right the first time, our customers enjoy quality and durable solutions that solve their problems the first time they’re installed – backed by the experts who designed them. 👨‍🔬🔬🥼
Saint-Gobain PAM UK is part of the Saint-Gobain Group, which employs over 166,000 people in 75 countries.
With the international support of parent company Saint-Gobain, we offer unrivalled technical support, a total solution approach and unparalleled quality and innovation.
Our solutions include:

ductile iron access covers, gully gratings and kerbside drainage solutions
ductile iron water and sewer pipes, fittings, valves, couplings and adaptors

A428 Black Cat Roundabout Mains Diversions (2025)

Implementation of a strategic and meticulously planned solution to divert eight water mains to enable the construction of a new dual carriageway

Anglian Water Storm Tank Programme (2025)

Anglian Water’s £96m investment across 112 sites to increase capacity and manage stormwater surges during extreme weather events

Avonmouth WRC (2025)

Expansion of Wessex Water’s largest water recycling centre to meet the EA’s Water Industry National Environmental Programme (WINEP)

Bangor Beach Road Pumping Station (2025)

Using a combination of retrofitting and new assets to deliver shellfish water quality improvements

Burnley WwTW Catchment Strategy (2025)

Achieving the necessary regulatory permits to improve the water quality of the River Calder and Pendle Water through an major integrated catchment solution

Dereham WRC (2025)

Major upgrade to increase flow to full treatment and future-proof infrastructure to meet both regulatory standards and the evolving needs of customers

Glasgow Resilience Programme (2025)

Installation of more than 12km of 900mm diameter ductile iron water main & a new pumping station ensures resilience of supply for 1 million customers

Great Badminton WRC (2025)

Enhancing wastewater treatment efficiency and environmental compliance

Guildford STW (2025)

Civils work nears completion of the brand new sewage treatment works on regenerated wasteland which will serve a forecasted PE of 125,000

Haxey Graizelound STW (2025)

Achieving consent tightening and providing treatment resilience using new activated sludge process with enhanced biological phosphorus removal

Holdenhurst WRC (2025)

£30m investment to increase sewage treatment capacity, protect Bournemouth’s beaches and meet the needs of the expanding population

Knostrop STW (2025)

Enhanced biological phosphorus and tertiary solids removal plants achieve tightened WFD consents with reduced energy consumption

Newthorpe STW (2025)

Sewage treatment works expansion enhances community well-being, improves river health, and delivers sustainable infrastructure for a growing region

Southampton & Andover Link Mains (2025)

Scheme solution optioneering, selection and development for potable water trunk mains to support the Water for Life Hampshire programme

Towcester WRC (2025)

Addressing issues with storage capacity, flow capacity, phosphorus levels & growth requirements, to maintain the high standard that Anglian Water aspire to achieve

Condensed innovated ASP solution for an increased FFT and the introduction of a phosphorus permit and tightening of an existing ammonia consent

Whittle Dene WTW (2025)

Replacement of the backwash system fundamental to the treatment process, delivered through collaborative working with all delivery partners

Burnley WwTW Catchment Strategy (2024)

Case study 4: Delivering river water quality improvements to Pendle Water and River Calder through an integrated catchment solution

Hawkchurch STW (2024)

Providing additional stormwater storage and improved site operation with the construction of a storm tank and installation of enhanced inlet screening

Horsham New WwTW (2024)

Southern Water’s multi-million pound upgrade to boost the water quality of the River Arun and cater for the significant growth forecast

Kerse Treated Water Storage Tank (2024)

New £6.5m water storage tank completed on schedule replacing 90 year-old asset

Macclesfield WwTW (2024)

Construction of United Utilities first innovative MOB^TM treatment process, to improve the water quality in the River Bollin by December 2024

Newthorpe STW (2024)

Improving sustainability & resilience of sewage treatment in the Erewash Valley

Offwell Storm Tank (2024)

The provision of 30m3 of offline stormwater storage in Honiton, Devon

Perth (Bertha Park) WwTW (2024)

Design and construction of modern sewage treatment facility to meet future population growth

Sundon Water Treatment Facility (2024)

A novel water treatment plant constructed on the site of an upgraded reservoir to aid Affinity Water’s environmental sustainability commitments

Wilmington STW (2024)

Nature-based solution trial for phosphorus removal in Honiton, Devon

Witches Oak WTW: Green Recovery - Decarbonising Water Resources (2024)

The challenges of designing and constructing the Witches Oak programme of works on multiple sites to a condensed timescale

Burnley WwTW Catchment Strategy (2023)

The Burnley integrated catchment scheme is one of United Utilities’ (UU) largest AMP7 projects with a value of £77m. The project is being delivered by UU’s construction delivery partner (CDP) framework by Advance-plus, a joint venture between MWH Treatment, J Murphy & Sons (JMS) and Stantec UK. The project commenced in 2020 and through two […]

Faringdon to Blunsdon Trunk Main Phase 2 (2023)

The water network in the western end of the Thames Valley Supply Area is dominated by local borehole water sources. Over time, population growth coupled with general environmental drivers to reduce reliance on groundwater sources in sensitive chalk stream areas, Thames Water has sought to improve supply resilience and deployable output by linking local sources […]

Knostrop STW (2023)

Knostrop Sewage Treatment Works (STW) is Yorkshire Water’s largest wastewater treatment site, serving a population equivalent of 990,000 and a full flow to treatment (FFT) of 5600 l/s. The WINEP Programme requires Yorkshire Water (YW) to achieve compliance with the new Total Phosphorus and Total Iron permit levels at 80 wastewater treatment works, including Knostrop. […]

Layer to Langford Pipeline (2023)

Essex and Suffolk Water, part of Northumbrian Water Ltd, supplies drinking water to 794,000 properties. Maintaining a supply to those customers requires the distribution of up to 670 Ml/d of high-quality drinking water. In Essex, the two primary treatment works are Hanningfield WTW, a physio-chemical works near Chelmsford and Layer WTW, a biological works, near […]

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 […]

Sherston S101a - First Time Sewerage Scheme (2023)

Section 101a of the Water Industry Act requires that sewerage providers deliver and fund first time sewerage (FTS) schemes where the current drainage for two or more properties is unsatisfactory and where a public solution is viable. Unsatisfactory drainage includes situations where environmental or amenity problems caused by uncontrolled discharges from septic tanks or cess […]

Burnley WwTW Catchment Strategy (2022)

The Burnley Integrated Catchment Scheme is one of United Utilities largest AMP7 projects with a value of over £60m which commenced in 2020. The project is being delivered by Advance-plus, a joint venture between MWH Treatment, J Murphy & Sons and Stantec UK; United Utilities’ framework construction delivery partner (CDP). In UK Water Projects 2021 […]

Stoke Bardolph STW - Anaerobic Digestion (2022)

Stoke Bardolph Sewage Treatment Works (STW) is Severn Trent’s second largest STW and serves a population of c. 620,000. The site is also a major regional sludge centre, meaning it takes a high volume of sludge imports from other sites in the region. Stoke Bardolph has a sludge treatment capacity equivalent to a population of […]

Haweswater Aqueduct, Hallbank Tunnel Replacement (2021)

The Haweswater Aqueduct (HA) was constructed by the Manchester Water Corporation between 1935 and 1955 to provide water from Haweswater Reservoir to Heaton Park Reservoir in Manchester. The aqueduct was initially designed to convey 105 million gallons per day to allow for future increase in demand and is constructed of 8’ 6” concrete lined tunnels […]

Uckington Water Treatment Scheme (2021)

The Uckington Borehole Capital Maintenance (BCM) and Restoring Sustainable Abstraction (RSA) Treatment Project set out to achieve the goal of an ecological improvement of the River Worfe while safeguarding the public water supply to the Telford area network. Over-abstraction from the River Worfe was impacting the achievement of Good Ecological Status under the Water Framework […]

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 […]

Oldham & Royton Integrated Strategy (ORIS) (2020)

United Utilities is the regional water company for the North West of England, delivering water and wastewater services to 7m people from Cheshire to the Scottish border. Oldham WwTW and Royton WwTW are two major wastewater treatment works located in Oldham, to the north east of Manchester. The Oldham and Royton Integrated Strategy (ORIS) project […]

Davyhulme WwTW Modernisation Project (2019)

Davyhulme Wastewater Treatment Works (WwTW) is United Utilities (UU) largest, serving over 1.3 million customers across Greater Manchester. Built in 1894, it has seen continuous development in wastewater treatment including the invention of the activated sludge process (ASP) by Ardern & Lockett in 1914. Incoming flows from the combined sewer network can reach 30m3/s, the […]

Kendal WwTW (2019)

Kendal WwTW is the main treatment facility for the area servicing a large residential and tourist catchment, with a population equivalent of 82,384. The works has an existing consent of 25 mg/l biological oxygen demand (BOD) 45mg/l suspended solids, 5 mg/l ammonia, and an annual average phosphorus permit of 1 mg/l, with a flow to […]

River Yare Pipeline Crossing & Tunnel Decommissioning (2019)

As part of a continued effort to improve service to customers and ensure resilience and security of supply, the team at Northumbrian Water Limited together with Stantec UK carried out an investigative study of the issues related to the River Yare Strategic Crossing and identified a cost effective solution that achieved these objectives. The Great […]

Affinity Water Metaldehyde Removal Project (2018)

One of Affinity Water’s long-standing water treatment works (WTW) is to be upgraded following successful completion of industry leading research and development trials. By utilising a pioneering new technology, Affinity Water will be able to continue to deliver a high quality supply of water for customers and communities whilst continuing to operate a robust treatment […]

Bristol Water Southern Strategic Support Main (2018)

The Southern Strategic Support Main (SSSM) comprises a 700mm diameter pipe line between Barrow WTW in south Bristol to Sandford, a distance of 19km, and a 600mm diameter pipe line between Cheddar WTW and Banwell a distance of 11km. The two pipelines connect at Sandford. The project commenced with a review of the outline proposal […]

Cheddar Pumping Station (2018)

The Southern Resilience Scheme is a new £27m water infrastructure project that provides improved security of water supply to a population of approximately 280,000 people across Bristol Water’s supply area. The scheme comprises a new 30km ductile iron main of 600mm and 700mm diameters, as well as the upgrade of the existing pumping station at […]

Chorley WwTW (2018)

The town of Chorley, in Lancashire, is mainly residential and much of the surrounding land is dedicated to agriculture and heritage buildings. Chorley Wastewater Treatment Works (WwTW) is located close to a small number of residential houses with a shared access road. C2V+, a joint venture between CH2M (now Jacobs) and VolkerStevin, was awarded a […]

Deephams STW - A630 Major Upgrade (2018)

Thames Water’s Deephams Sewage Treatment Works (STW) is located in Edmonton, North London and treats a 989,000 population. Three drainage catchment areas of Lea Valley, High Barnet and Tottenham flow to the works, the ninth largest plant in the UK. The original effluent treatment process was built between 1956-1966 and had been updated at various […]

Euston 42” Trunk Main Diversion (Phase 1) (2018)

High Speed 2 (HS2) Phase 1 will intersect a large number of critical third-party assets along its 190km route, with a significant impact on several of the UK’s water and wastewater companies. In London, approximately 50kms of Thames Water’s buried assets are affected by construction of the new railway, including a number of highly strategic […]

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 […]

Woolston WwT Scheme - Part 3 (2018)

Built in 1966, Woolston Wastewater Treatment Works (WwTW) uses a conventional Activated Sludge Plant (ASP) to treat sewage flows from part of the Southampton conurbation. Serving a population of approximately 62,000, the site occupies an area of 1.26 hectares. The existing sewerage system which feeds into the WwTW collects both wastewater and stormwater from the […]

Affinity Water Pesticide Removal (2017)

Affinity Water’s largest water treatment works (WTW) is being upgraded as part of their AMP6 business plan to ensure they continue to provide a robust treatment solution for the removal of pesticides from water abstracted from the River Thames. The scope of the works is to increase the granular activated carbon empty bed contact time […]

Avonmouth Acid Phase Digestion Remedials (2017)

Wessex Water’s Bristol STW is the largest sewage treatment works within south west region, serving approximately a catchment of 1.1 million people. The works also accounts for more than 50% of region’s sludge treatment. It treats around 100 tonnes dry solid (TDS) per day of indigenous sludge as well as imported sludge to a compliant […]

Bickerstaffe Pumping Station (2017)

The Southport Demand Monitoring Zone (DMZ) comprises ten supply zones with a population of approximately 245,000 covering the majority of the areas of the District Councils of West Lancashire and Sefton. Southport DMZ suffers from a number of issues including (i) peak demand during the summer months (ii) population growth (iii) water management. To overcome […]

Bristol Road Sewer Pumping Station (2017)

Burnham Jetty is the only ‘poor’ bathing water site in the Wessex Water region as categorised by the EU Revised Bathing Water Directive. Wessex Water has been working with the Environment Agency and committed £39 million to 12 schemes to improve this rating. Bristol Road Sewer Pumping Station (SPS) and Combined Sewer Overflow (CSO) rebuild […]

Davyhulme WwTW Modernisation Project (2017)

Davyhulme WwTW is United Utilities’ largest wastewater treatment works, which serves over one million people in Greater Manchester; it has been undergoing a £200 million modernisation process, which started on site in 2015 and is now close to construction completion. The upgrade is required to ensure it complies with tighter discharge consents and the impact […]

Farlington WTW (2017)

Portsmouth Water’s Farlington WTW dates back to 1909 and provides potable water to more than 280,000 people and many businesses in the Portsmouth and Havant area. Farlington’s supply is derived from the springs, which are believed to be the largest spring source in Europe. In April 2015 Portsmouth Water issued a tender based on an […]

Heigham WTW (2017)

Heigham Water Treatment Works (WTW) is the main supply of water to Norwich and supplies an average of 42Ml/d of water sourced from the River Wensum at several locations. Potable water is pumped into the Norwich Public Water Supply Zone feeding a multitude of storage reservoirs, booster pumps and properties. The main raw water abstraction […]

Nereda in Ireland (2017)

Nereda® is an innovative, sustainable and cost-effective biological wastewater treatment technology that purifies water using the unique features of aerobic granular biomass; purifying bacteria that create compact granules with superb settling properties. The technology was originally discovered by the Delft University of Technology in the Netherlands, and developed in a unique public-private partnership between the […]

Oldham & Royton Integrated Strategy (ORIS) (2017)

United Utilities is the regional water company for the north west of England, delivering water and wastewater services to 7m people from Cheshire to the Scottish border. Oldham WwTW and Royton WwTW are two major treatment works located in Oldham, to the north east of Manchester. The Oldham and Royton Integrated Strategy (ORIS) project combines […]

Trosley to Beech Strategic Mains Renewals (2017)

In recent years there have been a number of complex bursts at the edge of the M20 motorway in Kent, where three trunk mains cross via an existing tunnel. The bursts have compromised the security of supply between South East Water’s (SEW) Trosley Pumping Station and Beech Reservoir and also flooded onto the hard shoulder […]

Tynywaun WTW (2017)

Tynywaun WTW is located at the north end of the Rhondda Fawr Valley, at the base of the Rhigos Mountain, in the village of Tynewydd at an elevation of 1,000 feet. Water treatment works have operated at the Tynywaun site since 1906 and the existing works was last refurbished during the 1990s, with new filters […]

Woolston WwT Scheme - Part 2 (2017)

Built in 1966, Southern Water’s Woolston WwTW uses conventional activated sludge plant (ASP) to treat sewage flows from part of the Southampton conurbation, serving a population of approximately 62,000 people. The site occupies an area of 1.26 hectares. The existing sewerage system which feeds into the WwTW collects both wastewater and stormwater from the Woolston […]

Belle Greve Wastewater Centre Phase IV (2016)

Belle Greve Outfalls Replacement is the fifth and final phase of the Belle Greve Wastewater Centre (BGWwC) strategy to provide suitable wastewater treatment and disposal capability for the island of Guernsey. The strategy commenced in 2007 and was completed in 2015 with the replacement of the long sea outfall (LSO) and short sea outfall (SSO). […]

Bryn Cowlyd WTW (2016)

Welsh Water’s Bryn Cowlyd Water Treatment Works (WTW) is located near Dolgarrog village in the Conwy Valley. The site sits on the eastern side of the Carneddau mountain range on the outskirts of Snowdonia National Park. The existing works on the site was commissioned in 1998 and can deliver up to 46Ml/d of clean water […]

Burham Strategic Water Main (2016)

By delivering its largest and most challenging pipeline scheme to date, South East Water has secured the water supply to thousands of homes and businesses in north Kent and provided the area with critical new infrastructure needed to promote development and growth for decades to come. All while enhancing the environment and reducing operational costs. […]

Davyhulme Biomethane Utilisation Project (2016)

Davyhulme WwTW is the location for United Utilities’ sludge balanced asset programme (SBAP) facility. This centralised treatment hub for sludge processes all of the indigenous sludge from Davyhulme which serves over one million people along with sludge imports from other United Utilities WwTWs. The centralisation of sludge treatment at Davyhulme has taken place through a […]

Davyhulme WwTW Modernisation Project (2016)

Located in the North West of England, Davyhulme wastewater treatment works (WwTW) is United Utilities largest works, serving over 1 million customers across Greater Manchester. The works are currently facing several future challenges, namely (i) the tightening of the ammonia (NH3) permit limit from 3mg/l to 1mg/l to comply with the requirements of the Freshwater […]

Farlington WTW (2016)

Portsmouth Water’s Farlington WTW dates back to 1909 and provides potable water to more than 280,000 people and many businesses in the Portsmouth and Havant area. Farlington’s supply is derived from the springs, which are believed to be the largest spring source in Europe. Raw water is chlorinated at the spring source pumping stations. At […]

Grafham WTW Resilience (2016)

Grafham WTW is located near Huntingdon and serves a population of 829,000, including Northampton, Huntingdon and Bedford. It is estimated that approximately 614,000 of these would be affected by a major outage at Grafham WTW. As part of Anglian Water’s AMP5 Final Business Plan programme, the Grafham WTW Resilience scheme was identified to mitigate the […]

Highbridge SPS Stormwater UV Disinfection (2016)

Being classed as ‘poor’ quality, the bathing water at Burnham Jetty was predicted to fail under the revised Bathing Water Directive (rBWD). Investigations during AMP5 showed that improvements to sewage overflows at Highbridge and Bridgwater were necessary to improve compliance; with disinfection of the stormwater discharge at Highbridge Sewage Pumping Station (SPS) being identified for […]

Jackson’s Edge Service Reservoir - Compartment 1 (2016)

Jackson’s Edge Service Reservoir (SR) is a water supply scheme that will provide increased security to the network through the provision of a new 18Ml capacity, twin compartment SR on the site of the existing 103 year old SR. The £7.5m project has adopted a Design for Manufacture and Assembly (DfMA) approach, saving approximately £2m […]

Lee Tunnel - Flow Transfer System (2016)

Thames Water’s Lee Tunnel will create a cleaner, healthier River Thames by capturing combined sewer overflows at Abbey Mills Pumping Station, preventing 16 million tonnes of stormwater and sewage from being discharged into the River Lee each year. Up to 385,000m3 of stormwater and sewage will be stored in the 7km long tunnel and transferred […]

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 […]

Mayflower WTW (2016)

South West Water (SWW) has started construction on a new £60m state-of-the-art water treatment works in Devon, the company’s flagship project in its 2015-2020 business plan. Mayflower WTW will use cutting-edge treatment processes, designed and developed by leading Dutch water technology company PWNT and will serve around 250,000 customers in Plymouth and the surrounding area. […]

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 […]

Oswestry WTW (2016)

United Utilities’ Oswestry WTW is located near to the market town of Oswestry, Shropshire on the England/Wales border. The original works became operational in 1892, near the end of the Victorian era, in response to the growing need for wholesome clean drinking water to Liverpool. It is a large works which treats raw water from […]

Portland Sewer Collapse (2016)

During extreme weather conditions experienced across the UK in 2014, coastal areas saw conditions that would cause major flooding for residents and major concerns for all utility companies that had infrastructure within the affected areas. Portland being one of the most exposed coastal locations in the South suffered more than other areas. At the height […]

Southport Demand Monitoring Zone Strategy (2016)

Southport is a large seaside town that lies on the Irish Sea coast approximately 20 miles north of Liverpool. With a population over 100,000 Southport is the eleventh most populated settlement in the north-west of England. At the turn of the 19th century the area became popular with tourists due to the easy access from […]

Woodmansterne WTW (2016)

Woodmansterne WTW is being upgraded as part of Sutton and East Surrey Water’s (now SES Water) AMP6 investment to secure water supplies for existing and future customers throughout its supply area. The scope of works is to increase the treatment capacity to a maximum raw water flow of 50Mld. Doosan Enpure has been appointed as […]

Woolston WwT Scheme - Part 1 (2016)

Construction works are now in their second year on Southern Water’s £63 million environmental improvement scheme to redevelop and completely modernise Woolston WwTW. (The first year of the Woolston WwT Scheme was detailed in the 2015 edition of UK Water Projects). The existing works uses a conventional activated sludge plant (ASP), built in 1966, treating […]

Woolston WwT Scheme (2015)

Work has started on a £63m environmental improvement scheme to redevelop and completely modernise Woolston WwTW. The existing works uses a conventional activated sludge plant (ASP), built in 1966, treating sewage flows from part of the Southampton conurbation, serving a population of approximately 62,000 people. The site occupies an area of 1.26 hectares. The existing […]

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Welcome to the new PAM brand

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Pipelines in Wastewater Treatment Projects

A look at some of the issues faced by clients and contractors at WwTWs, and why higher levels of technical support from pipeline suppliers are crucial

Flooding is a major issue for many roadways in the United Kingdom and is becoming more and more common as we see heavier rainfall due to changing climatic conditions. This can cause a serious danger to drivers and it is important to provide solutions that help make travelling safe, regardless of the conditions. Heavy rainfall […]