Edge protection is almost always discussed in the context of high-rise residential and commercial construction – concrete frames rising floor by floor, slab edges moving upward with the programme. Infrastructure is different. Bridges, viaducts, elevated highways, railway structures, and civil engineering projects present a set of edge protection challenges that share almost nothing with a city-centre tower, and require a system capable of performing in conditions that most standard products are not designed for. This article sets out what makes infrastructure edge protection a distinct discipline, what the regulatory requirements are, and what contractors and distributors operating in this sector need to look for in a system.
Why Infrastructure Is a Distinct Market for Edge Protection
The UK infrastructure pipeline has never been larger. The National Infrastructure and Service Transformation Authority (NISTA) published an updated pipeline in March 2026 valuing capital investment over the next decade at £718 billion, a figure that encompasses transport, energy, water, and public works programmes of a scale not seen in a generation.
The UK government’s 10-year infrastructure strategy, published in 2025, established NISTA with an explicit mandate to improve the planning and delivery of that pipeline.
Internationally, the picture is similarly significant. Germany’s parliament approved a €500 billion infrastructure investment package in March 2025, with €300 billion earmarked for infrastructure projects including transport and civil engineering. Across Scandinavia, infrastructure investment in rail, road, and public works continues at pace. For edge protection manufacturers and distributors, this is a pipeline that represents a major growth opportunity — but only for those whose systems are genuinely equipped to serve it.
The challenge is that infrastructure edge protection is not simply a scaled-up version of high-rise edge protection. The structural conditions, the working environment, the regulatory context, and the installation constraints are fundamentally different, in ways that make the wrong system choice a serious operational and safety problem.
How Infrastructure Edge Protection Differs from High-Rise
Structural geometry
A high-rise concrete frame presents, in most cases, a regular floor plate with consistent slab thickness, predictable fixing conditions, and a well-understood relationship between the post and the structure above and below it. Infrastructure is rarely this straightforward.
A bridge deck or viaduct presents long, open spans with no soffit relationship in the conventional sense, the space below a bridge deck bears no resemblance to the underside of the floor above on a high-rise. The structure may be curved in plan or elevation. It may incorporate pre-cast elements assembled in sequence, with temporary working platforms at varying stages of completion. It may involve working over water, over an existing road or railway, or at heights that preclude the use of scaffolding or access platforms as a practical fall-back.
Each of these conditions requires an edge protection system designed to fix to, and perform on, the specific structural type in question, not one that has simply been pressed into service from a high-rise context and assumed to work.
Environmental exposure
Infrastructure projects are almost always more exposed than building sites. A viaduct crossing a river valley is subject to wind loading that a building site -even a high-rise – rarely experiences at working level, because the surrounding structure provides shelter that simply does not exist on an open civil engineering site. A coastal bridge structure experiences salt air, tidal influence, and humidity levels that place it in the most aggressive corrosivity categories under ISO 12944.
Edge protection on an infrastructure project must be specified not just to resist the static and dynamic loads of BS EN 13374:2025 in test conditions, but to maintain its structural integrity and operational reliability in the environmental conditions of the actual site, over an extended programme that may last several years.
Programme and logistics
On a building site, edge protection typically follows a predictable cycle: install on a completed slab, use while the floor above is formed, strike, and move up. On an infrastructure project, the programme logic is often quite different. Elements are assembled in a sequence determined by structural design rather than a simple vertical progression. Working platforms are temporary and change as the structure develops. Access to the working zone may be constrained by plant movements, adjacent live infrastructure, or environmental restrictions.
In this context, an edge protection system that is genuinely fast to install and reconfigure – and that requires minimal specialist equipment to deploy – is not just a convenience. It is a programme requirement. Every hour spent wrestling with a slow or complex edge protection installation is an hour of crane time, working platform time, or structural programme time lost.
Unique structural fixing conditions
Perhaps the most technically specific challenge in infrastructure edge protection is the variety of structural substrates and fixing conditions that contractors encounter. A bridge deck may incorporate lattice girder planks – a pre-cast concrete component widely used in modern composite deck construction — that present a completely different fixing geometry from a conventional poured slab. Post systems designed purely for slab-to-soffit compression will not work on these elements without adaptation.
Rapid-EPS developed the Lattice Girder Plank Post specifically to address this challenge – an engineered solution designed for use with lattice girder planks and composite deck slabs in viaduct and bridge construction. It was deployed on the HS2 Thames Valley Viaduct, one of the most technically demanding civil engineering projects in the UK’s current infrastructure programme.
Regulatory Requirements for Infrastructure Edge Protection
BS EN 13374:2025 — the applicable standard
The regulatory framework for edge protection on UK infrastructure sites is the same as for building sites: BS EN 13374:2025 – the European standard for temporary edge protection systems — sets the product performance requirements, and the Work at Height Regulations 2005 establish the duty on employers to prevent falls where there is a risk of injury. There is no separate ‘infrastructure standard’ for edge protection in the UK. The same class requirements, load testing methodology, and documentation obligations apply.
What changes on an infrastructure site is the application. The class of system required – Class A, B, or C under BS EN 13374:2025 – depends on the slope of the working surface, not the type of structure. A Class A system is appropriate for flat or near-flat working surfaces; Class B is required where the surface slope exceeds 10 degrees; Class C for steeper slopes still. On a bridge deck with a significant cross-fall, or on the inclined surface of a structural ramp, Class B may be the minimum requirement – which not all systems are tested and certified to deliver.
When specifying edge protection for an infrastructure project, confirming the class of system against the actual working surface geometry is not optional. A system installed at Class A on a surface that requires Class B is a compliance failure, regardless of how it looks on site.
CDM Regulations and the Principal Contractor’s duties
On infrastructure projects covered by the Construction (Design and Management) Regulations 2015 (CDM), which applies to virtually all construction work including civil engineering — the Principal Contractor is responsible for managing the construction phase health and safety plan, which must address how working at height will be controlled. For major infrastructure projects, this plan will be subject to scrutiny by the client, the Principal Designer, and potentially the project’s independent safety verifier.
On a project of the scale of a national rail programme or a major road infrastructure scheme, edge protection will form part of a formal temporary works design, reviewed and signed off by a Temporary Works Coordinator (TWC) in accordance with BS 5975:2019. The implications for product documentation are significant: test certificates, installation instructions, designer’s load notes, and material specifications must all be available and current. A supplier who cannot provide comprehensive documentation will not pass the temporary works approval process on a major infrastructure project.
The Specific Challenges of Bridge and Viaduct Construction
Working over water and live infrastructure
Working over water, over an existing live road, or over a live railway introduces constraints that fundamentally affect the design of the edge protection strategy. Dropped tools, falling components, and any form of debris are not just a safety risk to the operatives above, they are a risk to traffic, passengers, or members of the public below.
The HSE’s guidance on construction over live traffic makes clear that where work is carried out over a live road or railway, the control measures must take account of the risk to road users and rail passengers as well as to the operatives. This typically means that the edge protection system must provide full containment – not just a physical barrier against falls – with panels specified to prevent the passage of tools and debris through or beneath the barrier line.
The Rapid Panel, with its full-height containment design and integrated toe board supplied as standard, provides the level of containment required for working over live traffic or navigable waterways – without requiring additional bespoke fabrications or separate debris netting at every level.
Pre-cast and modular construction methods
Modern bridge and viaduct construction increasingly uses pre-cast, modular elements manufactured off-site and assembled on site – a methodology that improves quality control, reduces in-situ work at height, and accelerates the structural programme. The HS2 Thames Valley Viaduct uses exactly this approach, with prefabricated piers, beams, and deck panels assembled like structural modules across the floodplain of the River Thame.
Pre-cast deck construction presents specific edge protection challenges. The sequence of element placement means that working edges are constantly changing – a new deck panel creates new open edges the moment it is placed, before the next element arrives. Edge protection must be capable of rapid deployment onto a newly placed pre-cast element, in the sequence and at the pace dictated by the structural programme.
A tool-free system that installs in seconds without drilling, cutting, or specialist equipment is the obvious solution to this challenge. A system requiring anchors drilled into a newly placed pre-cast element – potentially damaging the element before it has been structurally integrated – is not.
Long spans and open-edge conditions
On a viaduct with 25-metre spans between piers, the slab edge between supports is a long, open, laterally unsupported edge exposed to wind loading that would not be encountered on an equivalent building site. The edge protection system must be capable of spanning between fixing points at the intervals dictated by the structural form – which may not align with the fixing centres of a system designed for a standard building floor plate.
The Rapid Post’s industry-leading fixing centres of 2.7m – the widest available anywhere in the market – provide meaningful advantages in infrastructure contexts where longer spans between fixing points are frequently required. Fewer posts per metre of open edge means fewer components to manage on a constrained working platform, fewer deliveries to a site with limited access, and faster installation on a programme where time at the working face is tightly controlled.
Case Study: HS2 Thames Valley Viaduct
The HS2 Thames Valley Viaduct is a flagship component of the HS2 high-speed rail programme – an 880-metre structure comprising 36 spans of 25 metres each, crossing the floodplain of the River Thame near Aylesbury in Buckinghamshire. Designed to carry trains at speeds up to 225 mph, it is among the most technically demanding civil engineering structures on HS2’s Phase 1 route.
The project presented a combination of edge protection challenges that illustrates precisely why infrastructure demands a different approach to high-rise:
- Long open spans between piers, with no conventional soffit above for standard compression post fixing
- Pre-cast, modular construction methodology requiring rapid edge protection deployment as each new deck element was placed
- Working over a flood-prone environment, with the underside of the structure clearing the ground by approximately three metres at the lowest points — making any dropped component a risk
- An HS2 safety management system requiring the highest level of documentation, compliance verification, and product certification
Rapid-EPS supplied the Lattice Girder Plank Post (EU170 variant) — an engineered solution developed specifically for use with lattice girder planks and composite deck slabs, alongside Rapid Panels for continuous slab edge containment. The system was supplied via Brand Access Solutions and coordinated to align with the structural programme, ensuring that edge protection was in place on each newly placed deck element without becoming a constraint on the pace of construction.
The HS2 Thames Valley Viaduct demonstrates something important about Rapid-EPS’s capability: it is not a high-rise specialist that can be pressed into service on a civil engineering project. It is a system with dedicated infrastructure products, proven on one of the UK’s most significant current infrastructure programmes, and capable of meeting the documentation and performance standards that a project of that complexity demands.
What Infrastructure Contractors and Distributors Should Look For
For contractors working in the infrastructure sector – and for distributors whose client base includes civil engineering contractors – the criteria for evaluating an edge protection system are the same as for any other sector, but with infrastructure-specific considerations added:
Dedicated infrastructure products
Does the manufacturer offer products specifically engineered for infrastructure fixing conditions – not just standard high-rise posts claimed to work on bridge decks? A system without a dedicated lattice girder or composite deck solution is not a complete infrastructure offering.
Class B certification where required
Confirm that the system holds current BS EN 13374:2025 certification at the class required for the working surface geometry of your project. Class A is not sufficient for sloped deck surfaces. Ask for the test certificate, not the brochure.
Full containment capability
Where work is carried out over live traffic, waterways, or public areas, full containment panels – with integrated toe boards and no gaps below the barrier line – are a requirement, not an optional upgrade. Confirm that the system you are specifying can provide this without additional modification.
Documentation for temporary works approval
On any project requiring a formal temporary works design process – which includes virtually all major infrastructure projects – the edge protection supplier must be able to provide test certificates, installation instructions, designer’s load notes, and material specifications in a form suitable for submission to the Temporary Works Coordinator. A supplier who cannot do this will create a programme problem at the approval stage.
Installation speed on a constrained working platform
On a bridge or viaduct under construction, the working platform is typically constrained, access is limited, and time at the working face is tightly controlled by the structural programme. A tool-free system that installs in seconds without specialist equipment is not a luxury — it is the right tool for the job.
The Infrastructure Opportunity for Distributors
For distributors whose current client base is primarily focused on high-rise residential or commercial construction, infrastructure represents a significant expansion opportunity, and one that the current UK, European, and international investment pipeline makes commercially compelling right now.
The clients who deliver infrastructure projects – major civil engineering contractors, specialist bridge contractors, rail and highway programme delivery organisations – are sophisticated buyers. They evaluate suppliers on documentation, certification, and proven project performance rather than day rate alone. A distributor who can demonstrate that their edge protection supplier has infrastructure-specific products, current Class B certification, and a proven track record on major civil engineering projects is in a fundamentally stronger position than one who cannot.
Rapid-EPS’s infrastructure credentials – anchored by the HS2 Thames Valley Viaduct and supported by a dedicated product range for infrastructure fixing conditions – provide exactly the proof of capability that infrastructure clients require.
In Summary
Infrastructure edge protection is a distinct discipline from high-rise construction. The structural conditions, environmental exposure, regulatory context, and installation constraints are different in ways that make a system designed and proven specifically for infrastructure a material advantage over one that has simply been adapted from a building site context.
The UK’s £718 billion infrastructure pipeline, Germany’s €500 billion investment package, and sustained infrastructure investment across Scandinavia and the wider international market represent a significant and growing opportunity for edge protection suppliers and distributors who are equipped to serve it. The key requirements are: dedicated infrastructure products for the structural types involved, current BS EN 13374:2025 certification at the appropriate class, full containment capability where working over live traffic or public areas, and the documentation standard required to pass a formal temporary works approval process.
Rapid-EPS meets all of these requirements, and has the infrastructure project track record to prove it.
To discuss edge protection requirements for your infrastructure project — or to explore distributor partnership opportunities in the infrastructure sector — contact the Rapid-EPS team:
📱 0113 252 8883 | 📧 sales@rapideps.com | 💻 www.rapideps.com
