Civil Engineering Contractors Insurance
Civil engineering sits apart from general construction in how insurers look at it. The contracts are longer, the plant is heavier, the works are usually linear rather than contained on one site, and the third parties are not neighbours but utilities, highways authorities, railways and watercourses. A single strike on a high pressure gas main or a fibre trunk route produces a claim with no relationship at all to the value of the work being done.
The other difference is that the works themselves are often the third party's asset. Working in the highway, on a bridge, alongside a live railway or within a water undertaker's easement means the thing you might damage belongs to an organisation with its own recovery teams and no interest in a commercial settlement. Consequential losses from utility interruption dwarf the physical repair.
We arrange cover for civil engineering contractors on infrastructure, drainage, highways and groundworks packages, and the technical work is in matching the policy to the contract form, most often NEC or the Infrastructure Conditions, and to the depth, plant and third party exposure the job actually involves.
What actually goes wrong
The exposures that produce claims in this trade, rather than a generic list.
Underground services
The defining exposure of the trade. A struck electricity cable is an injury risk and a supply interruption; a struck gas main is an evacuation and potentially an explosion; a struck fibre route can interrupt service to thousands of customers, and the consequential claim from a telecoms operator will exceed the repair cost many times over. Insurers assess this class largely on how you locate services before you dig.
Deep excavation and ground movement
Excavation withdraws support from surrounding ground. Adjacent buildings settle, roads crack and neighbouring foundations move, and the resulting subsidence claim can be substantial. Most standard construction wordings restrict work below a stated depth, commonly three metres, and civils work routinely exceeds it.
Water and flooding
Working in or near watercourses, culverts and drainage systems brings both flood exposure to the works and pollution exposure from silt, fuel and concrete washings. Environment Agency enforcement for a pollution incident is a separate cost from cleaning it up, and gradual pollution is excluded on most policies.
Plant fleets and heavy equipment
Excavators, dumpers, rollers and piling rigs represent significant owned and hired value, and are a persistent theft target from open linear sites that cannot be fenced in the usual way. Hired in plant also brings continuing hire charges after a loss, which is a distinct head of claim from the plant value itself.
Work adjacent to live infrastructure
Highways, railways and operational sites impose their own permit regimes and their own liabilities. Closing a lane without authority, or an incursion into a railway boundary, is treated as a serious matter with financial consequences well beyond ordinary third party damage.
The cover we arrange
Policies are put together around how you work. Employers liability is included as standard wherever you employ anyone.
Public liability at civils limits
Third party injury and damage, at limits reflecting infrastructure exposure. £10m is the working minimum on most civils contracts and higher limits are commonly specified where work is near railways, utilities or major highways.
- Third party injury and property damage
- Damage to underground services
- Limits typically £10m and above
- Contractual liability extension
Employers liability
Legally required and included as standard at £10m. Civils work carries higher hazard operations, so the underwriting focus is on method statements, plant operator competence and the split between direct employees and subcontracted labour.
- Legally required, £10m as standard
- Plant operators and banksmen
- Labour only subcontractors
- Occupational illness including hand arm vibration
Contract works
Covers the permanent and temporary works in progress. On civils contracts this needs to reflect long durations, works spread across a route rather than a compound, and materials stored at multiple points.
- Permanent and temporary works
- Materials along the route and off site
- Long contract durations
- Free issue materials
Contractors plant
Owned plant on an agreed schedule and hired in plant on a liability basis, including continuing hire charges. Given theft rates on open sites, insurers will ask about immobilisers, tracking, and how plant is secured outside working hours.
- Owned plant, scheduled or on a floating sum
- Hired in plant liability
- Continuing hire charges
- Tracking and immobilisation discounts
Professional indemnity
Required where you take temporary works design, permanent works design or design and build responsibility. Temporary works design is the one most often overlooked, and shoring and formwork design failures produce serious claims.
- Permanent and temporary works design
- Design and build packages
- Claims made basis, maintained after completion
- Limit usually set by the contract
What an underwriter will ask
Having these to hand shortens the process considerably, and usually improves the terms.
- Turnover split by discipline: drainage, highways, earthworks, structures, utilities
- Maximum excavation depth, and how often you exceed three metres
- Your procedure for locating underground services, including drawings, scanning and trial holes
- Whether you work adjacent to railways, motorways, airports or watercourses
- Plant schedule with values, and the split between owned and hired in
- Contract forms used, typically NEC or the Infrastructure Conditions, and whether amended
- Whether you carry out or subcontract piling, and any temporary works design responsibility
- Site security arrangements on linear and open sites
- Five years of claims, particularly service strikes and plant theft
What moves the premium
Where the price actually comes from, and which parts of it you can change.
Depth and ground conditions
Maximum depth is a primary rating factor. So is whether you are working in stable ground or in made ground, running sand or near watercourses, since each changes the likelihood of collapse and of adjacent damage.
Proximity to live infrastructure
Work near railways, motorways and major utilities attracts higher limits and closer scrutiny. Being able to describe the permit regimes you work under helps considerably.
Service strike record and procedure
The clearest differentiator in this class. Contractors who scan, trial hole and record consistently price better than those relying on drawings alone, and the difference shows in both rate and claims.
Plant values and security
Fleet value drives the plant premium, while tracking, immobilisers and secure compounds moderate it. On a large fleet the saving from documented security is meaningful.
Contract length and retention
Long duration contracts extend the period of exposure and the period over which sums insured must remain adequate. Contracts running beyond twelve months need sums insured reviewed rather than set once.
Conditions and exclusions that catch this trade out
Terms vary between insurers, so treat these as the questions to ask rather than a description of any one policy.
Depth restrictions
Standard wordings frequently restrict excavation below a stated depth, most often three metres. Exceeding it without declaring it does not simply reduce a claim, it can put the whole excavation exposure outside cover. Declaring the true maximum depth at inception is the fix and usually costs less than expected.
Underground services not properly located
Many wordings require that the position of underground services has been established using drawings and detection equipment before excavation. Where that cannot be evidenced, a strike claim is exposed to dispute. Retaining the scan records and permits to dig is the practical answer.
Gradual pollution
Pollution cover is usually limited to sudden, identifiable and accidental incidents. Gradual seepage of fuel or contaminated run off over weeks is excluded, as is the cost of cleaning up land you are working on rather than third party land.
Damage to the works from defective design
Where the works fail because the design was wrong, the design element is a professional indemnity matter and the resulting damage may be restricted by a defective design exclusion on the contract works section. How wide that exclusion runs varies significantly between markets and is worth comparing.
Plant theft outside stated conditions
Plant cover typically requires immobilisation, key control and sometimes tracking on higher value items. Open linear sites make compliance harder and claims more frequent, so insurers apply the conditions strictly.
Common questions
What insurance do civil engineering contractors need?
Employers liability, which is a legal requirement and included as standard at £10m. Public liability at a limit matching the contract, usually £10m or higher given utility and infrastructure exposure. Contract works covering the permanent and temporary works. Contractors plant for owned and hired equipment, including continuing hire charges. And professional indemnity wherever you take design responsibility, including temporary works design, which is more common than most contractors realise.
Am I covered if I hit an underground gas or electricity main?
Public liability responds to damage to third party property and to any resulting injury, which includes struck services. The important qualification is that many wordings require you to have established the position of services beforehand using available drawings and detection equipment. Where that cannot be evidenced the claim is open to dispute. Keeping scan records, permits to dig and drawings for each excavation is what makes the difference between a paid claim and an argued one.
Does contractors insurance cover excavation deeper than three metres?
Not automatically. A depth restriction, most commonly three metres, appears in many standard construction wordings, and civils work routinely goes deeper. Exceeding an undeclared limit can put the whole excavation exposure outside cover rather than just reducing the claim. The answer is to declare your true maximum depth at inception so the policy is written for the work you actually do.
Do I need professional indemnity for temporary works design?
If you design temporary works yourself, yes. Shoring, propping, formwork and falsework are all design activities, and a failure is both a serious safety event and a design liability. Public liability responds to the injury and damage; it does not respond to the cost of the design being wrong. Many contractors carry professional indemnity for permanent works design and overlook temporary works entirely, which is where the more frequent claims sit.
What is continuing hire charges cover and why does it matter?
When hired plant is stolen or destroyed, the hire agreement usually makes you liable for its full replacement value and for the hire charges that continue to run until the hire company is settled or a replacement is provided. Those charges accumulate independently of the plant value, and on a large item over several weeks they are substantial. Hired in plant cover should include them specifically rather than only the replacement value.
Does my policy cover pollution from a site?
Usually only sudden, identifiable and accidental pollution incidents. A fuel spill from a ruptured tank would normally be considered; gradual seepage over a period would normally be excluded. Cleaning up contamination on the site you are working on is generally excluded too, since the cover is for third party damage rather than your own working area. On work near watercourses this distinction matters, because Environment Agency enforcement follows incidents that the policy may not fund.
Talk to somebody who knows the trade
Tell us what you actually do and we will come back to you with cover options built around it.