Precast concrete pipe, manhole, and chamber suppliers for sewer, drainage, and utility infrastructure.

    Find a Precast Concrete Pipe & Manhole Provider

    Matched providers: 46

    Top countries: United Kingdom, Belgium

    Popular technologies: Acid Dosing Systems, Aerated Lagoons, MABR

    Precast Concrete Pipes: Jacking, Gravity Sewer, and Structural Standards for Drainage Infrastructure

    Precast concrete pipes are manufactured off-site in controlled factory conditions using centrifugal spinning, wet-cast vibration, or dry-cast compaction methods, producing circular and non-circular sections for gravity drainage, culverts, jacking pipes, and water mains. BS EN 1916:2002 (Concrete pipes and fittings) governs circular concrete pipes in the UK and EU: specifies Class 120D (design crushing load), 135D, 150D, 180D, and 240D strength classes (crushing load in kN per metre length at 0.25 mm crack width). US standard: ASTM C76 (reinforced concrete culvert, storm drain, and sewer pipe), Class I to Class V by D-load (D0.01 crack load per metre diameter). Standard diameters: DN 150 to DN 3000 mm; pipe lengths 1.0 to 2.5 m standard (jacking pipes up to 3.0 m). Concrete class: C40/50 minimum per EN 1916 for durability in aggressive soils; sulphate-resisting cement (SRPC) for Class AC3 to AC5 ground aggressivity; high alumina cement (HAC) historical use, now deprecated in UK.

    Jacking pipes (pipe jacking, microtunnelling, thrust boring) are precast concrete pipes designed for installation by hydraulic thrust from a jacking frame without open excavation. Jacking pipe requirements (BS EN 1916:2002 Class J, DWA-A 161 German standard): compressive strength greater than 60 MPa; end faces machined flat to 0.25 mm parallelism for uniform force distribution; joints with rubber sealing gaskets and wooden or HDPE packer rings to distribute jacking loads (up to 3,500 kN/m2 on face for long drives). Maximum jacking distances: DN 600 mm up to 500 m per drive; DN 1200 mm up to 200 to 300 m; intermediate jacking stations (IJS) inserted into the pipe string for longer drives to reduce skin friction (bentonite lubrication reduces friction coefficient from 0.1 to 0.15 to 0.01 to 0.05). Applications: trunk sewer installation under roads, railways, and rivers; culvert installation; utility crossings. UK market: approximately 15,000 m of pipe jacking per year; costs GBP 1,000 to 5,000 per linear metre depending on diameter, soil, and crossing complexity.

    Structural design and installation of precast concrete gravity pipes: bedding class determines required pipe strength. BS EN 1295-1 (Structural design of buried pipelines) and UK practice per TRRL Report 78 and CPDA guidance: Class B bedding (granular material 100 mm below pipe invert, haunching to 70 percent of diameter): bedding factor 1.9; Class A (concrete bed and surround, haunch to 120 degrees): bedding factor 2.6. Installation: excavation in stable ground to invert level; bedding layer compacted to 95 percent proctor density; pipe laid to line and level with laser or boning rods (max deviation 10 mm); joints pushed home with rubber gasket lubrication; jointing material: EPDM rubber ring (DN less than 900), profile seal or compression collar (DN greater than 900). Backfill: granular material (10 to 40 mm gravel) to 300 mm above crown, then selected fill in 150 mm compacted layers. UK Sewers for Adoption (7th edition) and Specification for Highway Works (SHW) specify concrete pipe installation requirements for adoptable assets.

    Frequently Asked Questions

    What strength class of concrete pipe do I need?

    Concrete pipe strength class selection uses the modified bedding factor method: calculate design crushing load = installed external load (W, soil overburden + traffic) divided by bedding factor (Fm). Soil load: Marston's formula for trench condition; traffic surcharge per BS EN 1991-2 (HA, HB, or SV loading). Common results for UK adoptable sewers: DN 300 at 2.0 m cover under normal roads: Class 120D with Class B bedding typically sufficient; DN 600 at 3.0 m cover: Class 150D or 180D with Class B bedding; DN 1200 at 4.0 m cover: Class 180D or 240D with Class A bedding or concrete surround. Eurocode combination: BS EN 1295-1 with BS EN 1991-1-1 and Annex A provides the formal calculation basis. CPDA (Concrete Pipe and Precast Association) technical guidance and their pipe-sizing software provide simplified selection tables. Always check with the pipe manufacturer at tender stage for jacking pipes as each application requires specific thrust-face area calculation.

    How long do precast concrete pipes last?

    Design life of precast concrete pipes: BS EN 1916 specifies a 100-year design life when correctly designed, manufactured, and installed in ground conditions within the pipe's durability specification. Achieved service life: Victorian brick and concrete sewers from the 1850s to 1880s remain structurally functional in UK cities (150+ years), though many require relining for hydraulic upgrading or crack repair. Life-limiting factors: hydrogen sulphide attack in wastewater sewers (biogenic sulphuric acid corrosion, BAC) - microbiologically produced H2SO4 dissolves concrete at rates of 1 to 10 mm/year in severe conditions; requires sulphate-resistant or high-alumina protective lining; aggressive groundwater (pH less than 5.5, high sulphate greater than 3,000 mg/L, CO2 greater than 30 mg/L aggressive CO2) attacks concrete matrix; stray current corrosion of reinforcement in electrically active ground; structural loading overload (unexpected traffic surcharge, ground movement). Inspection: CCTV survey per WRc Manual of Sewer Condition Classification (MSCC5) grades structural and service condition; recommendations for immediate, short-term, or long-term maintenance or structural rehabilitation.

    What is the difference between jacking pipe and standard concrete pipe?

    Jacking pipes differ from standard installation concrete pipes in several critical ways: (1) End faces: jacking pipe ends are machined flat and parallel to 0.25 mm tolerance; standard pipes are cast-face only (less flat); the flat face is essential to distribute the jack thrust (up to 3,500 kN/m2) uniformly without local crushing; (2) Concrete strength: jacking pipes require greater than 60 MPa compressive strength; standard pipes may be as low as C40/50 (approximately 40 MPa characteristic); (3) Joint design: jacking pipe joints transmit compressive load through wooden or HDPE packer rings plus EPDM rubber water seal; standard pipe joints rely primarily on the rubber ring for water-tightness; (4) Handling: jacking pipes have steel lifting sockets; standard pipes have cast lifting holes; (5) Length: jacking pipes longer (up to 3.0 m vs 1.0 to 2.5 m standard) to minimise number of jacking thrusts; (6) Wall thickness: jacking pipes have greater wall thickness to resist jacking stress; (7) Internal surface: smooth internal finish for hydraulic efficiency and ease of CCTV inspection after installation. Standard pipes cannot be used as jacking pipes without structural recalculation and end-face modification.

    Are concrete pipes suitable for aggressive soils?

    Precast concrete pipes can be designed for aggressive ground conditions but require careful material specification: Ground aggressivity classification per BS 8500-1 (concrete specification): Class AC1 (pH 6.5 to 7.0, sulfate SO4 less than 500 mg/L soil or 200 mg/L groundwater) - Portland cement C40/50 adequate; Class AC3 (pH 4.5 to 5.5, SO4 500 to 3,000 mg/L) - sulfate-resisting Portland cement (SRPC, C3A less than 3.5 percent) or CEM II/B-V blended cement + FFA; Class AC4 and AC5 (pH less than 4.5, SO4 greater than 3,000 mg/L) - high sulfate resistance concrete with FFA or GGBS addition, minimum 360 kg/m3 cement equivalent, w/c ratio less than 0.45. Biogenic sulphuric acid corrosion in wastewater sewers: independent of soil aggressivity; generated internally by Acidithiobacillus thiooxidans bacteria on concrete crown above waterline; control by: epoxy lining (100 to 500 micron), PVC lining, calcium aluminate cement (HAC) concrete (resistant to pH greater than 2.5), or vitrified clay (no concrete exposed). Alternative materials for worst conditions: vitrified clay, HDPE, or GRP pipes where concrete durability cannot be guaranteed.

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    Infrastructure, Networks & Equipment

    Precast Concrete Pipe & Manhole Companies

    Precast concrete pipe, manhole, and chamber suppliers for sewer, drainage, and utility infrastructure.

    46 providers

    This page is a good fit if you need:

    • Acid Dosing Systems or Aerated Lagoons, MABR capabilities
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    Find a Precast Concrete Pipe & Manhole Provider

    Showing 1-20 of 46

    46 results from 46 matched providers

    Ecosystems International logo

    Ecosystems International

    Verified
    Indonesia51-200 employees
    Flat Sheet Microfiltration Units · Hollow Fiber MF Systems · Ceramic Microfiltration Modules +80 more
    apac · china · europe +3 more

    PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile. PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse. The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco. Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units

    Reverse Osmosis (RO) Systems
    Ultrafiltration (UF) Systems
    Multi-media Filtration (MMF) Systems
    +63 more
    agriculture
    manufacturing
    DALI - Pipeline Monitoring logo

    DALI - Pipeline Monitoring

    Belgium1-50 employees
    europe

    DALI - Pipeline Monitoring specializes in advanced real-time leak and intrusion detection for pipelines using Distributed Acoustic Sensing (DAS) and fiber optic technology. Their solutions help utility companies and industrial facilities minimize Non-Revenue Water (NRW) losses, reduce waste, and prevent costly incidents, ensuring efficient pipeline management.

    Online/Real-Time Monitoring
    Remote Sensing and Telemetry
    IoT and Smart Monitoring
    Utilities
    Public Administration
    Gainey's Concrete logo

    Gainey's Concrete

    United States
    Extended aeration activated sludge · Nitrification and denitrification · Airlift recirculation +1 more
    North America

    Gainey's Concrete is a Holden, Louisiana based manufacturer that designs and installs precast concrete wastewater treatment plants with third party engineering approval, alongside sanitary, stormwater, and industrial precast products. Its treatment plants use extended aeration with return activated sludge plus nitrification and denitrification to remove ammonia and organics. The company also references breakpoint chlorination, ion exchange, and zeolite filtration for ammonia control.

    Precast concrete wastewater treatment plant manufacture and installation
    Sanitary and stormwater precast products
    Industrial precast products
    +1 more
    Industrial Pipework Services logo

    Industrial Pipework Services

    United Kingdom

    At Industrial Pipework Services, we provide bespoke engineering services. With over 25 years’ experience IPS can offer complete mechanical engineering solutions including design, manufacture & installation services. Our experienced workforce are trained to the highest standards. IPS is situated within easy access to the M4 corridor approximately 30 minutes North of Cardiff. The company embraces innovative thinking while utilising the latest technology. IPS operating base comprises of 30,000 square foot of workshops, offices and assembly areas.  The Workshops are fully segregated for the manufacture of both carbon steel and stainless-steel products and are serviced by dedicated overhead gantry cranes. With over two decades of engineering experience the company strives to combine first class engineering and design to deliver the high quality that is required.  The Company maintains a proactive approach, working closely with our Clients to achieve our collective aims for each scheme. This ambition is underpinned by an uncompromising commitment to attain the highest standards of health, safety and environmental care. IPS provides continued excellence in design, manufacturing and installation gained from many years experience within the industry. Our In-House design capability allows the company to provide a full engineering design service using the latest Auto CAD software packages. IPS offers a design service for both pipework and steelwork systems from proposal drawings to the production of as built drawings. IPS Design Office provides all relevant AutoCAD drawings for steelwork and pipework, Isometric drawings for fabrication, general layout drawings for plant and equipment and As Built drawings. Structural steelwork calculations and flow characteristics are also provided as required. IPS offer a full 3D surveying services and production of cloud point data for project modelling. IPS operates primarily within the Water Industry and provides services for both clean water and sewage. IPS is a Tier One Mechanical Engineering Specialists Provider to Dŵr Cymru Welsh Water and the Strategic Alliance. IPS operate nationally and have delivered projects throughout the UK for many Water Utility companies including Anglian Water, Thames Water and Bristol Water. Continual improvement into our infrastructure and the development of new IT systems has brought us to a level consistent with the requirements of our clients. IPS offers a complete project management service, including operation of Principal Contractor role as well as delivering turnkey projects. Experience gained in the water industry has enabled us to manage the competing demands of cost, quality and safety for all our projects.

    Networks - Water Supply
    Contractors
    Tracey Concrete logo

    Tracey Concrete

    United Kingdom

    Tracey Concrete is one of the largest precast concrete manufacturers in the UK and Ireland. With our extensive range of top quality products we offer competitive and reliable solutions to meet all of our customer’s needs. Our success has been built on the consistent quality of our products, efficient delivery and outstanding customer service. With our vast experience and expertise in the construction industry we have been able to supply some of the biggest projects in the UK and Ireland. Our products have achieved all necessary certifications and are accredited with the most up to date British and European standards, with the relevant products being BSI kitemarked and CE marked. Through extensive research our technical team is always looking for the most advanced innovations in the industry and work closely with our customers to provide any project designs required. We are always environmentally conscious in the manufacturing and delivery process. We are committed to ensuring all of our products provide the economic benefits required for sustainable construction.

    Pipeline & Pipework Products
    Asset Maintenance & Rehabilitation
    Bartlett Contractors Ltd logo

    Bartlett Contractors Ltd

    United Kingdom

    Delivering Excellence in Civil Engineering, Water and Waste Infrastructure Since 1959 For more than six decades, we’ve been at the forefront of the water and waste sectors, combining deep-rooted experience with an industry-leading service offering. This strong heritage continues to drive our commitment to delivering the best outcomes for our clients—and we’re proud of the results we’ve achieved. Our work is founded on strategic partnerships and long-term frameworks, enabling us to provide specialist infrastructure services that enhance water quality, boost operational efficiency, and improve network resilience. A key strength lies in our direct delivery model. With a highly skilled workforce, we deliver innovative solutions through early contractor involvement, design and build, and modern construction practices—ensuring exceptional value and performance. We believe that success is not just measured in project outcomes, but also in the positive legacy we leave behind. Through community engagement and collaborative delivery, we ensure an excellent customer experience and help our clients maintain trust with stakeholders.

    Health & Safety
    Accreditations
    R2M Limited logo

    R2M Limited

    United Kingdom

    At R2M, we are driven by a passion for creating innovative solutions that help build a smarter, more resilient water industry. Our mission is to deliver effective, high-quality products and services to UK water utilities and contractors, continually striving to enhance the nation's water supply for future generations. Founded in 2003 as a supplier of pipes and fittings, R2M quickly earned a reputation for reliability through our extensive product range and robust stock levels—ensuring our customers always had what they needed, when they needed it. Over the years, we have evolved from a trusted supplier into a comprehensive manufacturer and installer too. Today, we offer end-to-end solutions—all under one roof—streamlining the process for our customers and providing exceptional value at every stage. We are proud to be used trusted by all water utilities and contractors across the UK. Since 2019, R2M has proudly been a member of the Hawle Austria Group—a global network of like-minded, quality-focused companies including the likes of Hawle Austria, Erhard, Nova Siria, and Özkan. This partnership gives us exclusive access to a wide portfolio of innovative and proven products from across the group, allowing us to offer tailored solutions that meet the evolving needs of our customers. Being a part of this established and experienced group strengthens our capabilities, expands our product range, and ensures we stay at the forefront of the industry—so our customers always benefit from world-class technologies backed by local expertise. Are you ready to discover how our solutions can support your next project? Get in touch with us today on 01282 778 030.

    Networks - Water Supply
    Asset Maintenance & Rehabilitation
    Concrete Repairs Ltd logo

    Concrete Repairs Ltd

    United Kingdom

    Concrete Repairs Limited (CRL) is a specialist asset maintenance contractor who is here to help you with the inspection, repair & refurbishment of your concrete water assets. CRL provide comprehensive repair and refurbishment services tailored to the needs of the water and wastewater sector throughout the UK. These include the inspection, repair, refurbishment and upgrading of service reservoirs, contact tanks, water towers & wastewater treatment plants. With over 65 years of experience, CRL understands the importance of maintaining water quality and supply to customers. Therefore, when planning repairs, we prioritise effective programming of the work and optimal utilization of the assets being repaired. Our choice of repair methodologies and materials always reflects this commitment. At CRL, we pride ourselves on being a reliable partner to the water companies. We collaborate closely with them to identify problems early, quantify the necessary repairs, and establish a timeline for refurbishment. Throughout this process, we focus on ensuring the longevity and optimal performance of the assets. CRL provide proven and successful cost-effective repair and refurbishment options which meet our clients’ objectives of upgrading and increasing the life of their structures. CRL is capable of undertaking individual projects of up to £20M, either under competitive tender, or through Partnering/Framework arrangements. Our broad experience across various sectors ensures we deliver efficient, robust, and technically advanced services.

    Asset Maintenance & Rehabilitation
    Sewer Inspections
    JN Bentley Ltd logo

    JN Bentley Ltd

    United Kingdom

    JN Bentley Ltd (JNB) is a leading, privately owned construction services provider in the UK. We now have an annual turnover in the region of £100 million, generated from projects in both the building and civil engineering markets. JN Bentley JN Bentley delivers civil engineering contracting services, together with mechanical and electrical expertise. Founded in 1972, the company has grown largely from repeat work, maintaining a focus on providing construction services with an open and honest approach. The JN Bentley team numbers over 2,000 colleagues. We pride ourselves on our large, directly employed construction workforce, a team that gives us and our clients added assurances for safety and quality. We look to find innovative solutions to traditional construction challenges, applying the latest technologies to drive efficiency and reach sustainable outcomes. Across JN Bentley and our design and build companies MMB and JBA Bentley, annual revenue now exceeds £500 million. Mott MacDonald Bentley (MMB) MMB provides fully integrated civil engineering feasibility, design, construction and commissioning services to the UK water sector. Established in 1999, it harnesses the contracting strength of JN Bentley and the design specialisms of Mott MacDonald to form a 3,000-strong team – with further expertise brought in from across the Mott MacDonald Group when required. MMB was formed specifically to deliver long-term, high-volume capital programmes collaboratively with water companies. With a focus on innovation, affordability, and flexibility, since securing its first contracts with Yorkshire Water in AMP3, MMB has grown to deliver work for eight of the largest water companies in the UK.

    Renewables & Energy Management
    Contractors
    Siltbuster Group logo

    Siltbuster Group

    United Kingdom

    Established for over 20 years, the Siltbuster Limited provides rapidly deployable, “modular off the shelf” water treatment solutions to the construction, industrial and municipal markets, with a client base ranging from the world’s most recognisable multi-national corporations to small enterprises. Siltbuster provides a wide range of water and wastewater treatment equipment for the industrial and municipal markets, including: Packaged lamella dissolved air flotation (DAF) units. Lamella clarifiers. Packaged biological treatment systems. Oil/water separators. Pipe flocculators. Reaction tanks. Containerised dosing systems. In the UK, Siltbuster has pioneered the concept of offering this plant through our extensive hire fleet. Approximately 20 major contracts and circa 50 smaller projects are undertaken each year for a diverse range of clients, many of which are some of the UK’s best-known companies. In addition to the industrial/municipal sector, Siltbuster has undertaken a number of mine water treatment projects in many countries, for example, the UK, Ireland, Greece, France, USA, Canada, Australia and Slovakia. The Siltbuster team pride themselves in their ability to react rapidly and in compliance with the project constraints, delivering mobile or permanent solutions tailored to meet your individual needs.

    Treatment Process Technologies
    Asset Maintenance & Rehabilitation
    Shay Murtagh Precast logo

    Shay Murtagh Precast

    United Kingdom

    With four decades of experience, Shay Murtagh Precast has become one of the leading manufacturers of precast concrete products in the UK and Ireland. Core pillars of design, manufacture and transport, the company delivers a complete package to our clients.

    River & Coastal Flood Protection
    Contractors
    Althon Ltd logo

    Althon Ltd

    United Kingdom

    Althon Precast Headwalls and Water Management Althon Limited manufacture and distribute specialist water management products to the construction industry. We design and manufacture precast concrete headwalls to meet Sewers for Adoption and Severn Trent Guidelines. Our product range includes flap valves, penstocks and stop logs as well as trash screens and outfall safety grilles. Althon also manufacture precast concrete penstock chambers and offer a large range of commercial and industrial application drainage channels. Headwalls Althon manufacture the largest range of precast concrete headwalls in the UK for pipes, culverts and box culverts. Precast headwalls are an important part of most SUDS drainage schemes, preventing erosion at the point of discharge into watercourses such as attenuation ponds, detention basins, rivers, ditches and swales. Headwall accessories All models can be factory fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails as well as a selection of gratings and ladders and other flow control methods such as dissipation blocks and cascade panels. Althon Headwall Drainage Standards & Guidelines Designed to BS EN 1992-1-1 (EC2) standards Manufactured to BS EN 15258 & BS EN 13369 standards Severn Trent Water specifications for rectangular precast outfalls Anglian Water approved headwalls Angled ranges that meets the EA’s ‘Standard rules SR2015 No 27’ Selected ranges meet the Sewers for Adoption 7th Edition guidelines to be adopted by local Water Authorities & comply with the Water Industry Regulations 2011 CPD courses https://cpduk.co.uk/directory/profile/althon-limited

    Precast Concrete
    Contractors
    Macrete Ireland Ltd logo

    Macrete Ireland Ltd

    United Kingdom

    Macrete are one of the few truly independent precast concrete manufacturers within the United Kingdom and Ireland. Having over thirty years experience in the design and manufacture of a wide range of reinforced and pre-stressed concrete products and systems, Macrete are established at the forefront of the precast concrete industry. Many types of precast concrete solutions are designed and supplied to the civil, rail, water, and stadia, marine and agricultural markets. Using a superior distribution network Macrete successfully export products anywhere in the UK and Ireland. Macrete believe in developing strong long-term partnerships with their client base. The majority of clients that work with Macrete continue to do so on a repeat basis and their satisfaction is the fundamental objective. Macrete continually endeavour to evaluate the market place to increase market share and have experienced a steady increase in sales over the last 5 years. Our mission is to be recognized as a major provider of precast concrete technology, products, services and solutions and to serve our customers regionally, nationally and internationally. Our vision is for our customers to see us as a desirable business partner with safe and efficient processes; a leader in quality; constantly innovating and expanding services as well as a business with highly ethical standards.

    Stormwater Storage
    Concrete Works
    JK Fabrications Ltd logo

    JK Fabrications Ltd

    United Kingdom

    With over 30 years of experience delivering expertise in the industry, JK Fabrications Ltd has become one of the front runners and will keep challenging ourselves and others to improve our Environment as we believe that; Our Environment, is our Future. At JK Fabrications, we are an engineering company that takes pride in our family roots, with an aim to continue to successfully grow our business. Our company values are incorporated into everything we carry out and we seek to work with like-minded companies. Established in 1998, JK Fabrications specialises in efficent, effective, and environmentally sensitive solutions to the Water Treatment, Waste Water, Waste to Energy, and Pharmaceuticals Industry. With over 30 years of experience delivering expertise in the industry, JK Fabrications has become one of the front runners and will keep challenging ourselves and others to improve our Environment as we believe that ‘Our Environment, is our Future’. With the ease of access to Northern Ireland’s principal motorway network and equal distance between both Belfast Airports and Dublin Airport, JK Fabrications’ 50,000 Sq/ft premises in Newry are the perfect location to produce and deliver your project. Design We have a fully equipped in-house design team with over 65 years of combined technical, manufacturing, and sector-specific experience, that are highly skilled and trained using the very latest design software. Manufacture We have built our reputation by producing specialised products for the waste-to-energy, wastewater, water treatment, and pharmaceutical industries. Our experienced welders and fabricators along with our state-of-the-art machinery make sure that each project is carried out to a high standard. Install We have an experienced installation team with a dedicated core team of engineers, mechanical fitters, and coded welders who have over 30 years of experience in the supply and installation of our fabricated products for a wide range of projects throughout the UK and Ireland. Commission Our experienced commissioning engineers will attend the site to oversee the installation of systems, plants, and equipment. They will commission, test, and optimise the equipment as well as provide the operators with operation and maintenance manuals. Products include: Stainless Steel Pipework | Stainless Steel Vessels (inc Pressure Vessels) | Mild Steel Pipework | Lamellas | Picket Fence Thickeners | Rectangular Bridge Scrapers | Half Bridge Scrapers | Conical Settlement Tanks

    Pipeline & Pipework Products
    Accreditations
    Steve Vick International Ltd logo

    Steve Vick International Ltd

    United Kingdom

    Steve Vick International (SVI) is dedicated to delivering cost-saving solutions for damaged, redundant or outdated underground pipework. Since its foundation in 1981, SVI has been at the forefront in developing products and techniques for the repair, renovation and decommissioning of pipes. Predominantly our work has been in the gas industry but increasingly we are undertaking projects in the water and nuclear sectors. We are the UK’s leading producer of Pipe Coil Trailers and offer a range of Pipe Handling equipment such as Handlers, Crackers and Cutters. Some of our latest innovations include the PE Pipe Cutter, the Pipe Feeder for Pre-Insulated coiled pipe, PE Live Head for Live Mains Insertion, the Perpetual Pipe Pusher, FBOS (Foambag Operation on Stubs) and SMARTester. WATER: For over 20 years water utilities and their contractors in the UK and overseas have used our pipe handling equipment to improve their efficiency and safety. Today our products include Pipe Handlers, Pipe Coil Trailers and Pipe Cutters as well as our patented DRAINBLOCK™ and RATBLOCK™ sealing systems. GAS: In the UK we are major suppliers to all the gas distribution networks. Many of the techniques we have pioneered have become the preferred methods of working in the industry and our resin foam sealant products and associated equipment are key to many of the cost-saving renovation processes used. NUCLEAR: SVI offer solutions to the problems associated with decommissioning and sealing disused pipework, ducts, sleeves and ventilation shafts. Our technology can also be designed for the mass filling of large and complex voids and is a lightweight alternative to cement grout. We have worked at Hinkley, Sellafield, Harwell, Chapelcross and Hunterston. CONTRACT SERVICES: A rapidly expanding part of our business is our Contract Service department who are well known for their work in the field of renewing and repairing underground gas pipes, for the UK Gas Distribution Networks. However, they are becoming increasingly involved in projects being undertaken by water utilities, electricity providers, rail networks, civil engineers, construction companies and local councils. This reflects the range of skills and expertise available to solve on-site problems associated with pipe repair, renovation, and diversion. Located strategically around the UK the highly skilled team can provide a fast response, emergency repairs and a rapid call out service which is offered 24 hours a day, 7 days a week. HIRE: We offer specialist plant and equipment for the Utilities Industries. Products available for hire include our Pipe Handlers, Perpetual Pipe Pusher, Pipe Coil Trailers, Rapid Rotary Cutters, Rapid Window Cutters, MACAW Pipe Crackers, CRACKERJACK and Mini Purge. All our hire equipment comes with onsite support from our highly experienced engineers and our products are fully maintained and serviced at our depots. All equipment is also available to purchase. SMARTester: SMARTester is the wireless pressure test system, that ensures absolute traceability and best practice. The system combines: SMARTester pressure sensor, an intuitive App and a Dashboard database of test evidence. Together the 3 components work to give you confidence that your tests are highly accurate, fully compliant and that evidence is traceable.

    Networks - Water Supply
    Asset Maintenance & Rehabilitation
    Craven Concrete Ltd logo

    Craven Concrete Ltd

    United Kingdom

    Craven Concrete has over 25 years’ experience manufacturing precast concrete products and structures to both industrial and agricultural markets. We offer an extensive range of quality precast products for buildings, bridges, retaining walls, tanks and chambers, drainage and water management, materials storage, flooring, traffic management, site security and architectural & structural products. Craven Concrete can also manufacture bespoke products to create maximum value for your project, accommodating your site conditions, design requirements and construction needs. Through our extensive work in the general civils, rail, utilities, highways, water and flood defence sectors we have successfully built a reputation for high quality and exceptional service. Our customers’ satisfaction is at the heart of everything we do! We manufacture all of our products from our facility in North Yorkshire, but we deliver nationwide. Accreditations: RISQS Network Rail accredited supplier Quality Management System – ISO 9001:2015 Environmental Management System – ISO 14001:2015 BS EN 206 and BS 8500 Kitemark Builder’s Profile Premium Membership UKCA Certificate of Conformity of the Factory Production Control

    River Work
    Contractors
    3rd Light Media Ltd logo

    3rd Light Media Ltd

    United Kingdom

    3rd Light Media provide technical documentation and design services for water and wastewater projects, both in the UK and internationally. We provide a range of documentation for projects, helping clients achieve their handover requirements and producing high quality documents which provide the end users with the information they need to operate and maintain the plants. We are a market leader in driving digital innovative solutions to our clients to ensure documentation is presented in new and dynamic ways, this includes development of web-based O&M manuals which can integrate with client I.T. systems such as SharePoint; Graphical design to enable data and documentation of assets on a site plan or P&ID to be available within just a few clicks of a button. Additionally, we have developed a QR coded asset tagging system and mobile App. Our services mean we can provide our clients with a single source for all handover documentation requirements. The services we can provide include: Operating and Maintenance Manuals (O&Ms) Site Operating Manual (SOM) Health & Safety Files Asset Data Registration Training Manuals Site Drawings (P&IDs, Process Flows, Site Layouts and Plans, GA’s, Single Line Diagrams and more) AutoCAD Drafting Services Additionally, we also provide a range of onsite services to further enhance being a one stop provider for all your project handover needs. Some of the onsite services we provide include: Asset Identification Tags (to meet all individual client specifications) Pipe Banding to BS1710 Site signage and labelling We also provide a range of design and pre-construction services, with experience when working with Tier 1 contractors at ECI / Outline Design stages of projects including: Functional Design Specifications Control Philosophies Factory Acceptance & Site Acceptance Tests for Software Testing Commissioning Plans and Sequencing Asset Condition Reports Verification Survey Works (Producing P&IDs, ICA and Electrical Design Proposals) We work as an integrated team with both contractors and clients to ensure all aspects of project handover are achieved to the highest standard. We are able to do this with our vast knowledge of individual water companies asset standards and specifications. We are also experienced in using portals such as TWEXnet, Asite, Aconex, Business Collaborator and Conject for uploading documents. Our team comprises of skilled and experienced site and process engineers with a vast knowledge of both water and wastewater treatment systems. Our team of engineers all hold EUSR Water Hygiene and CSCS cards as well as water company specific requirements such as the Thames Water Safety Passport. We also have an in-house graphic design team providing professionally drawn illustrations and drawings which are used within our documentation, helping to visualise written descriptions and processes. Our philosophy is to take the burden of producing documentation on projects away from our clients. Being skilled process engineers, we will visit sites to gather information and we work with your supply chain to coordinate the availability of all required documents and drawings, ensuring compliance with the end clients standards. We write all the technical content and detail to the highest standard, supported by expertly drawn diagrams and illustrations. Some of the water companies we have worked with include: Thames Water Affinity Water Yorkshire Water Southern Water Severn Trent South East Water United Utilities Welsh Water Bristol Water Essex & Suffolk Water Irish Water Haya Water We work both directly with water companies and Tier 1 and Tier 2 contractors. We work on projects of all sizes, from minor schemes to major £100+ million projects.

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    FLI Precast Solutions logo

    FLI Precast Solutions

    United Kingdom

    FLI Precast Solutions (formerly FLI Carlow) provide design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Our markets include Water, Wastewater, Energy and Storm Attenuation in the UK & Ireland and bespoke projects globally. SERVICES INCLUDE Design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Design to national and international water industry standards and our semi-precast modular designs make us the industry leader in off-site concrete engineering and manufacture. By early involvement and integrating with our clients’ design teams we can accelerate and improve design optimisation and reduce cost. The value is in the solution, and off-site manufacturing and fabrication leads to higher efficiencies and lower risks and costs. Framework agreements enable us to add more value through collaboration, innovation, economies of scale, supply chain partnering and cost management. Our products and designs are engineered to provide solutions to many challenges facing our clients: water retention, water storage, water conveyancing, water management, water treatment, fire-resistance criteria, chemical resistance parameters, infrastructural products, retaining walls, coastal erosion, decorative walls, to name a few. We are a solutions provider using innovative off-site concrete engineering and our industry leading semi-precast modular designs. The company is part of the FLI Group which is a diversified group of companies providing environmental solutions, services and technologies to private and public sector customers in the UK, France, Ireland and throughout the world. PRODUCTS INCLUDE Service reservoirs Process settlement tanks (PST / HST / FST / etc) Storm & attenuation tanks (network or site based) Process structures (ASP / TSR / GAC / RGF / etc) MCC service foundations Bund wall system Chambers Channel & lids Comms chambers Multi-purpose chambers Bespoke culverts Holding tanks Barriers Demountable fence supports (international airport approved) Ballast blocks Dry flow channelling Foundation bases Blast fence supports

    Precast Concrete
    Concrete Works
    Costain logo

    Costain

    United Kingdom

    Costain works with water and wastewater companies to shape, create and deliver pioneering solutions that improve water quality, affordability and resilience. Population growth, regulatory changes, energy costs and climate change are having a dramatic impact on water usage. The national approach to managing water supply is changing to meet these challenges. The Government and industry regulator are tasked with cutting wastage and preserving an increasingly valuable resource, while protecting consumers from higher water bills. The water sector team offers: Expert input into consultation documents, close work with Government and water companies and innovative delivery, all of which help to minimise costs to water users while meeting national investment needs. A manufacturing mindset: programme optimisation advisory services, standard product development, production controls, whole-life costing and lean delivery processes. Cross-sector best practice: we provide value for our clients by drawing on experience from across the company and by working closely with our decarbonisation experts to drive regional growth strategies. Technology integration: working with some of the UK’s leading asset and data analytics organisations we analyse large volumes of real time data to create greater benefits for our customers through optimised maintenance, pump operation, energy and chemical usage. Current water industry frameworks: Anglian Water – Strategic Pipeline Alliance Severn Trent Southern Water – CMDP JV Thames Water United Utilities – Maintenance Service Provider Yorkshire Water – Technical Services

    Programme Management
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    Saint Gobain PAM UK logo

    Saint Gobain PAM UK

    United Kingdom

    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

    Treatment Works Products/Services
    Networks - Sewerage
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    Precast Concrete Pipes: Jacking, Gravity Sewer, and Structural Standards for Drainage Infrastructure

    Precast concrete pipes are manufactured off-site in controlled factory conditions using centrifugal spinning, wet-cast vibration, or dry-cast compaction methods, producing circular and non-circular sections for gravity drainage, culverts, jacking pipes, and water mains. BS EN 1916:2002 (Concrete pipes and fittings) governs circular concrete pipes in the UK and EU: specifies Class 120D (design crushing load), 135D, 150D, 180D, and 240D strength classes (crushing load in kN per metre length at 0.25 mm crack width). US standard: ASTM C76 (reinforced concrete culvert, storm drain, and sewer pipe), Class I to Class V by D-load (D0.01 crack load per metre diameter). Standard diameters: DN 150 to DN 3000 mm; pipe lengths 1.0 to 2.5 m standard (jacking pipes up to 3.0 m). Concrete class: C40/50 minimum per EN 1916 for durability in aggressive soils; sulphate-resisting cement (SRPC) for Class AC3 to AC5 ground aggressivity; high alumina cement (HAC) historical use, now deprecated in UK.

    Jacking pipes (pipe jacking, microtunnelling, thrust boring) are precast concrete pipes designed for installation by hydraulic thrust from a jacking frame without open excavation. Jacking pipe requirements (BS EN 1916:2002 Class J, DWA-A 161 German standard): compressive strength greater than 60 MPa; end faces machined flat to 0.25 mm parallelism for uniform force distribution; joints with rubber sealing gaskets and wooden or HDPE packer rings to distribute jacking loads (up to 3,500 kN/m2 on face for long drives). Maximum jacking distances: DN 600 mm up to 500 m per drive; DN 1200 mm up to 200 to 300 m; intermediate jacking stations (IJS) inserted into the pipe string for longer drives to reduce skin friction (bentonite lubrication reduces friction coefficient from 0.1 to 0.15 to 0.01 to 0.05). Applications: trunk sewer installation under roads, railways, and rivers; culvert installation; utility crossings. UK market: approximately 15,000 m of pipe jacking per year; costs GBP 1,000 to 5,000 per linear metre depending on diameter, soil, and crossing complexity.

    Structural design and installation of precast concrete gravity pipes: bedding class determines required pipe strength. BS EN 1295-1 (Structural design of buried pipelines) and UK practice per TRRL Report 78 and CPDA guidance: Class B bedding (granular material 100 mm below pipe invert, haunching to 70 percent of diameter): bedding factor 1.9; Class A (concrete bed and surround, haunch to 120 degrees): bedding factor 2.6. Installation: excavation in stable ground to invert level; bedding layer compacted to 95 percent proctor density; pipe laid to line and level with laser or boning rods (max deviation 10 mm); joints pushed home with rubber gasket lubrication; jointing material: EPDM rubber ring (DN less than 900), profile seal or compression collar (DN greater than 900). Backfill: granular material (10 to 40 mm gravel) to 300 mm above crown, then selected fill in 150 mm compacted layers. UK Sewers for Adoption (7th edition) and Specification for Highway Works (SHW) specify concrete pipe installation requirements for adoptable assets.

    Post your precast concrete pipe & manhole project — get matched proposals

    Frequently Asked Questions

    What strength class of concrete pipe do I need?

    Concrete pipe strength class selection uses the modified bedding factor method: calculate design crushing load = installed external load (W, soil overburden + traffic) divided by bedding factor (Fm). Soil load: Marston's formula for trench condition; traffic surcharge per BS EN 1991-2 (HA, HB, or SV loading). Common results for UK adoptable sewers: DN 300 at 2.0 m cover under normal roads: Class 120D with Class B bedding typically sufficient; DN 600 at 3.0 m cover: Class 150D or 180D with Class B bedding; DN 1200 at 4.0 m cover: Class 180D or 240D with Class A bedding or concrete surround. Eurocode combination: BS EN 1295-1 with BS EN 1991-1-1 and Annex A provides the formal calculation basis. CPDA (Concrete Pipe and Precast Association) technical guidance and their pipe-sizing software provide simplified selection tables. Always check with the pipe manufacturer at tender stage for jacking pipes as each application requires specific thrust-face area calculation.

    How long do precast concrete pipes last?

    Design life of precast concrete pipes: BS EN 1916 specifies a 100-year design life when correctly designed, manufactured, and installed in ground conditions within the pipe's durability specification. Achieved service life: Victorian brick and concrete sewers from the 1850s to 1880s remain structurally functional in UK cities (150+ years), though many require relining for hydraulic upgrading or crack repair. Life-limiting factors: hydrogen sulphide attack in wastewater sewers (biogenic sulphuric acid corrosion, BAC) - microbiologically produced H2SO4 dissolves concrete at rates of 1 to 10 mm/year in severe conditions; requires sulphate-resistant or high-alumina protective lining; aggressive groundwater (pH less than 5.5, high sulphate greater than 3,000 mg/L, CO2 greater than 30 mg/L aggressive CO2) attacks concrete matrix; stray current corrosion of reinforcement in electrically active ground; structural loading overload (unexpected traffic surcharge, ground movement). Inspection: CCTV survey per WRc Manual of Sewer Condition Classification (MSCC5) grades structural and service condition; recommendations for immediate, short-term, or long-term maintenance or structural rehabilitation.

    What is the difference between jacking pipe and standard concrete pipe?

    Jacking pipes differ from standard installation concrete pipes in several critical ways: (1) End faces: jacking pipe ends are machined flat and parallel to 0.25 mm tolerance; standard pipes are cast-face only (less flat); the flat face is essential to distribute the jack thrust (up to 3,500 kN/m2) uniformly without local crushing; (2) Concrete strength: jacking pipes require greater than 60 MPa compressive strength; standard pipes may be as low as C40/50 (approximately 40 MPa characteristic); (3) Joint design: jacking pipe joints transmit compressive load through wooden or HDPE packer rings plus EPDM rubber water seal; standard pipe joints rely primarily on the rubber ring for water-tightness; (4) Handling: jacking pipes have steel lifting sockets; standard pipes have cast lifting holes; (5) Length: jacking pipes longer (up to 3.0 m vs 1.0 to 2.5 m standard) to minimise number of jacking thrusts; (6) Wall thickness: jacking pipes have greater wall thickness to resist jacking stress; (7) Internal surface: smooth internal finish for hydraulic efficiency and ease of CCTV inspection after installation. Standard pipes cannot be used as jacking pipes without structural recalculation and end-face modification.

    Are concrete pipes suitable for aggressive soils?

    Precast concrete pipes can be designed for aggressive ground conditions but require careful material specification: Ground aggressivity classification per BS 8500-1 (concrete specification): Class AC1 (pH 6.5 to 7.0, sulfate SO4 less than 500 mg/L soil or 200 mg/L groundwater) - Portland cement C40/50 adequate; Class AC3 (pH 4.5 to 5.5, SO4 500 to 3,000 mg/L) - sulfate-resisting Portland cement (SRPC, C3A less than 3.5 percent) or CEM II/B-V blended cement + FFA; Class AC4 and AC5 (pH less than 4.5, SO4 greater than 3,000 mg/L) - high sulfate resistance concrete with FFA or GGBS addition, minimum 360 kg/m3 cement equivalent, w/c ratio less than 0.45. Biogenic sulphuric acid corrosion in wastewater sewers: independent of soil aggressivity; generated internally by Acidithiobacillus thiooxidans bacteria on concrete crown above waterline; control by: epoxy lining (100 to 500 micron), PVC lining, calcium aluminate cement (HAC) concrete (resistant to pH greater than 2.5), or vitrified clay (no concrete exposed). Alternative materials for worst conditions: vitrified clay, HDPE, or GRP pipes where concrete durability cannot be guaranteed.

    Case Study·Highway and urban drainage infrastructure
    Challenge

    A Highways England (now National Highways) major road upgrade in the Midlands required installation of 3.2 km of new trunk sewer and highway drainage beneath a motorway widening scheme. The pipe alignment included a 320 m crossing under the carriageway and 14 motorway service road crossings, all requiring trenchless installation to avoid disruption to live motorway traffic.

    Approach

    The contractor used pipe jacking with DN 900 Class 135D precast concrete jacking pipes (BS EN 1916:2002, Class J designation) for the main trunk crossing, with an intermediate jacking station (IJS) at 160 m to manage skin friction on the 320 m drive. Bentonite lubrication reduced jacking load from an estimated 3,800 kN to 1,200 kN. The 14 service road crossings used DN 600 Class 120D pipes installed by auger boring. All pipes were manufactured with SRPC cement for AC3 ground classification (sulphate 1,800 mg/L in groundwater).

    Outcome

    All crossings were installed without motorway closures. Jacking accuracy was within 15 mm of design line and level on the 320 m drive. Structural inspection post-installation via CCTV confirmed zero cracking. Ground settlement monitoring showed maximum surface settlement of 6 mm over the 320 m drive, within the 10 mm tolerance specified by the structural engineer. Programme was delivered 3 weeks ahead of the 18-week excavation-free constraint window.

    Questions to Ask Shortlisted Providers

    1. 1

      What is the design crushing load and bedding class for the pipe installation and what are the soil overburden and traffic load conditions?

      Pipe strength class selection (120D to 240D) uses the modified bedding factor method combining soil load (Marston formula) and traffic surcharge per BS EN 1991-2; incorrect selection risks structural failure under service loads.

    2. 2

      Is the installation conventional open-cut or trenchless (pipe jacking, microtunnelling, auger boring) and what is the required pipe specification for each method?

      Jacking pipes require machined end faces, greater than 60 MPa concrete, and jacking load capacity calculation per DWA-A 161; standard pipes cannot be substituted without structural assessment.

    3. 3

      What is the ground aggressivity classification (pH, sulphate concentration, stray current) and what cement class is specified?

      Aggressive soils (AC3 to AC5 per BS 8500-1) require sulphate-resisting cement or blended cement with low w/c ratio; specifying standard Portland cement in aggressive ground causes progressive concrete dissolution.

    4. 4

      What CCTV inspection and hydraulic performance testing regime is required at handover and for ongoing maintenance?

      Sewers for Adoption (7th edition) mandates CCTV inspection to MSCC5 standard and hydraulic testing at completion; EA environmental permits may require periodic CCTV inspection of critical sewer assets.

    5. 5

      What is the anticipated service life and are there provision for rehabilitation (lining) in the design?

      Concrete pipes designed for 100-year service life require adequate corrosion allowance and access for CIPP or spray lining rehabilitation; in wastewater sewers, H2S corrosion can reduce unprotected concrete crown life to 20 to 40 years.

    What Drives Cost in This Category

    Pipe diameter, strength class, and unit cost

    DN 300 Class 120D concrete pipes cost GBP 25 to 60 per metre supply-only; DN 900 Class 135D pipes cost GBP 120 to 250 per metre; jacking pipes carry 30 to 60% premium over standard pipes for machined ends and higher concrete strength.

    Installation method (open cut versus trenchless)

    Open-cut installation costs GBP 80 to 300 per metre in normal ground; pipe jacking costs GBP 1,000 to 5,000 per metre depending on diameter, soil, and crossing length; trenchless premium is justified by traffic disruption avoidance, particularly on major roads or rail crossings.

    Trenchless plant and equipment (microtunnel boring machine, jacking frame)

    Microtunnelling TBM mobilisation costs GBP 150,000 to 400,000; jacking frame and pit construction costs GBP 50,000 to 150,000 per drive; multiple crossings on a single programme amortise plant cost significantly.

    Specialist cement and durability provisions for aggressive ground

    SRPC concrete adds 5 to 15% to pipe unit cost versus standard Portland cement; epoxy or PVC lining for H2S protection in wastewater sewers adds GBP 20 to 80 per metre; avoiding lining and using standard concrete in H2S environments risks complete concrete loss within 20 to 40 years.

    Key Regulations & Standards

    BS EN 1916:2002 Concrete Pipes and Fittings

    UK harmonised standard specifying strength classes, materials, dimensional tolerances, test methods, and marking for precast concrete pipes; compliance required for CE/UKCA marking; Class J designation for jacking pipes specifies additional requirements for end face flatness and concrete strength.

    Sewers for Adoption (7th Edition, Water UK)

    Specifies materials, design, installation, and testing standards for sewer infrastructure to be adopted by sewerage undertakers; Section 104 agreements under WIA 1991 require compliance with SfA; non-compliant materials or installation methods result in refusal of adoption.

    Specification for Highway Works (MCHW Volume 1, Series 500)

    National Highways specification for drainage pipe installation under trunk roads and motorways; specifies bedding class, backfill material gradation, compaction requirements, and testing; contractors must comply with SHW for National Highways-funded schemes.

    BS 8500-1:2015 Concrete Specification and Ground Aggressivity

    Defines ground aggressivity classes (AC1 to AC5) based on soil pH, sulphate concentration, and groundwater chemistry; specifies minimum concrete mix design requirements for each class including cement type, minimum cement content, and maximum water-cement ratio.

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    Browse the full provider directory

    Comparing precast concrete pipe & manhole companies is one slice of a larger shortlisting decision. Explore the complete directory of water treatment equipment manufacturers, then filter by region, sector, and technology before you request scoped proposals.

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