The works
- Fire, storm and water
- Theft of materials
- Inherent defect and design fault
- Vandalism on the building site
On erection work the heaviest loss rarely arises during assembly, but during testing: the first run, the pressure test and the first time voltage is applied.
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Erection insurance covers the assembly, connection and testing of installations, machinery, pipework and technical structures. The sum insured does not consist of a contract sum for brick and concrete, but of the value of the objects to be erected plus the erection costs.
The difference from a construction CAR policy lies in the test phase. As soon as an installation is put under pressure, temperature or voltage, one failing component can damage the rest of the works. That damage comes from within and not from outside, and that is exactly what is often only covered to a limited extent on an ordinary construction policy.
The route to the location also counts: transport, lifting and storage of components with long lead times are rarely a marginal issue here.
We compare your construction all risks (CAR) insurance across dozens of insurers, explain where the real differences lie, and arrange the switch from start to finish — without you having to chase it yourself.
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Get coveredThe structure of the cover in three parts, with an overview per situation below.
Damage to the works themselves during construction or installation.
Damage to property and persons of third parties on and around the works.
What comes into play alongside the works themselves.
What is covered
| Situation | Works section | Liability section |
|---|---|---|
| Storm or water damage to the works in progress | Yes | No |
| Theft of materials from the building site | Sometimes | No |
| Damage to an adjoining building | No | Yes |
| Injury to a bystander | No | Yes |
| The client's existing property | Sometimes | Sometimes |
| Repair of your own defective work | No | No |
This overview is general in nature and is not personal advice. What is actually covered, including exclusions, limits and the excess, is set out in the policy conditions and the insurance card (verzekeringskaart) of the insurer; you receive both before you take out cover. Taking out cover without advice? Then read what execution only means for you.
Insurers weigh these details differently. That is where your saving is.
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Four points that make the difference between a policy that pays out and one that does not.
When you receive the quotation, ask which test period is meant, whether repeat tests after a modification remain covered, and whether a different limit or a higher excess applies during testing. For used or reconditioned components, test cover is sometimes excluded. If the installation stands idle because a test goes wrong, the physical damage is a matter for this policy; your client's lost production is not.
While you are erecting, it is damage to your own work. If you damage the operating business around it, that is existing property or liability towards third parties. Once the installation has been handed over and then causes damage, that shifts to product liability under Article 6:185 of the Dutch Civil Code and your public and employers' liability insurance. The erection policy stops at handover. That boundary is hard.
A pump, transformer or air handling unit with a lead time of months is damaged on the way or during lifting. Erection cover does not automatically include that: transport you arrange with goods in transit insurance, your crane or telehandler with plant and machinery insurance. Have the load on the hook and the storage at the location expressly declared. Delay losses and contractual penalties caused by the new lead time remain outside the cover in any event.
If the installation runs but does not reach the agreed efficiency or capacity, there is no physical damage and therefore no cover. That is a warranty matter with your supplier. Also excluded are wear and corrosion, penalties and consequential loss from delay, and re-erecting your own defective work. If you weld or cut, comply with the hot work clause.
If you work in or on an existing building, that building is not your works but the property of the client. Damage to it does not fall under section 1 and, on your AVB, falls under the care, custody and control exclusion. The section existing property fills that gap, and with conversions, renovations and installation work that is not an edge case but the core of the risk.
After handover there is often a maintenance period during which you remain liable for defects that arose during construction. Agree that period explicitly and have it stated on the policy. Under the Wet kwaliteitsborging (the Dutch Building Quality Assurance Act) this carries more weight: Article 7:758(4) of the Dutch Civil Code places the burden of proof for hidden defects on the contractor.
This is what people ask us most.
A construction CAR policy is built around building work and the risks of an open site. Erection insurance is built around installations and machinery, and expressly covers the phase of assembly, connection and testing. The sum insured is the value of the objects plus erection costs instead of a contract sum for building work.
Not always, and certainly not always without limit. Ask about the length of the test period, whether repeat tests after a modification are included and whether a different excess applies during testing. For used or reconditioned parts, insurers sometimes exclude test cover. Have this recorded on the policy schedule or in a clause.
Only if it has been insured. Erection cover in principle starts at the location. Transport to the site you insure with goods in transit cover, and storage on or beside the works has to be declared as an extension. For parts with long lead times that weighs heavily, because replacement affects the whole programme.
Then there is no cover. Erection insurance pays for physical damage, not for disappointing performance. If the efficiency falls short without anything being broken, that is a matter of warranty and contract with your supplier or client. The penalty or the delay loss flowing from it also falls outside this policy.
Every situation is different. For these situations we have a separate page.
Request a quote without obligation. We will look at which insurer best matches your activities and your risk.
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Finass Verzekert is a trading name of Finass Advies B.V. We advise on and arrange non-life insurance on the basis of an objective analysis of several insurers, and receive commission for this from the insurer, which is included in the premium. You pay no separate advice fee. Before you take out cover, we establish your wishes and needs.
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This page was compiled by Finass Verzekert (LinkedIn). Last updated on .
The information on this page is general in nature and is not personal advice.
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