Mining contractor insurance is usually tested before you arrive on site, not after something goes wrong. Mine operators and principal contractors commonly run pre-qualification checks that ask for policy details, certificates of currency and evidence that your cover matches the contract. If the paperwork does not line up, access can be delayed or refused. This guide covers what contractors are commonly asked to show and how to prepare. For an overview of the covers we arrange, see our mining industry insurance page.
What Mine Sites Commonly Ask Contractors to Show
Requirements differ between operators, sites and contracts, so treat your contract as the source of truth. That said, contractors are commonly asked for:
- Public and products liability at a stated limit.
- The principal’s interest recognised on the liability policy.
- Motor vehicle cover for vehicles entering site, including third party property damage.
- Plant and equipment cover for machinery brought onto site.
- Evidence of workers compensation cover where you employ workers.
- Professional indemnity for design, engineering, surveying or consulting work.
- Certificates of currency for each, and sometimes copies of policy wordings or schedules.
Liability Limits and Why They Run Higher
Mine sites concentrate expensive assets, large workforces and hazardous processes. A fire, collision or pollution event can cause damage well beyond what a typical construction job would see, and the limits principals ask for reflect that. Contracts on mine sites commonly specify limits above those asked for on general civil or commercial work.
Before you tender, check the limit in the contract and confirm your policy meets it. Increasing a limit is usually possible but takes underwriting time, and higher limits for mining work may only be offered on specific terms. Our guide to public liability limits for contractors explains how limits are structured.
Check how pollution is covered as well. Liability policies commonly limit pollution cover to sudden and accidental events and exclude gradual contamination. A burst hydraulic hose spilling oil onto a pad is a very different claim from slow seepage over months, and site operators take both seriously.
Principal’s Interest and Related Clauses
Mining contracts routinely require the contractor’s liability policy to extend to the principal. The mechanisms include:
- Principal’s indemnity — extending cover to the principal for liability arising from the contractor’s work.
- Interested party notation — recording the principal’s interest on the policy and the certificate.
- Cross liabilities — so the policy treats each named party as if separately insured.
- Waiver of subrogation — preventing the insurer from recovering from the principal after paying a claim.
Not every policy offers each of these, and insurers will not agree to every clause as drafted. Send the insurance clause to your broker early, ideally with the tender documents.
Read the Indemnity Clause Before You Sign
The insurance clause tells you what cover to hold. The indemnity clause tells you what you are promising to pay for. The two do not always line up.
Mining contracts can ask contractors to indemnify the principal for losses beyond those the contractor caused, to accept liability for consequential losses, or to release the principal from claims. Liability policies commonly exclude liability you accept under contract beyond what the law would otherwise impose. The gap between what you signed and what your policy pays is yours to carry.
Points to review before signing:
- Is the indemnity limited to loss caused by your negligence, or is it broader?
- Are consequential losses excluded, or are you taking them on?
- How long must cover be maintained after completion?
- Must your subcontractors carry equivalent cover? See subcontractor insurance requirements.
- Are there requirements your current policies cannot meet?
Your broker can identify the insurance gaps. A lawyer should review the contract terms themselves.
Plant on Site
Mobile plant on a mine site faces heavy use, abrasive conditions, long shifts and fire risk from hydraulic oil and hot components. Some plant policies exclude mine sites, or require that use to be declared and accepted.
Points to check:
- The policy covers plant working on mine sites, and on the type of mine you are entering.
- Fire suppression systems, which sites commonly ask for on mobile plant, are fitted and serviced, and your insurer knows about them.
- Transit cover applies while plant is floated to and from site, often over long distances.
- Hired-in plant is covered if you hire extra equipment for the contract.
- The policy includes an adequate allowance for recovering damaged plant from a remote or difficult location.
Sums insured deserve attention too. Plant working remotely can take a long time to repair or replace, and the cost of getting a replacement machine to site is part of the real loss. Values on the schedule should reflect what it would cost to put an equivalent machine back to work on that site.
Earthmoving and civil contractors should also look at earthmoving insurance, while exploration and production drilling contractors have specialist considerations covered under drillers insurance.
Underground Versus Open-Cut
Underwriters treat underground and surface work as distinct exposures. Underground work brings confined spaces, ventilation, fire and ground support risks, restricted access for emergency response, and the potential for a single incident to affect many people. Open-cut work brings large haul trucks, blasting, heavy plant interaction and constant haul road traffic.
Some liability and plant policies exclude underground work entirely, or accept it only when specifically declared. If your contract includes any underground work, even occasional, tell your broker. A policy written for surface work may not respond underground.
Vehicles on Site
Light vehicles on mine sites usually carry site-specific fit-outs: flags, beacons, bull bars, radios, extinguishers and first aid kits. These should be declared as accessories. Check that the motor policy covers use on private mine roads and off-road areas, not only public roads, and that the third party property damage limit is adequate for a collision with site infrastructure or heavy plant.
If you run several vehicles, commercial vehicle insurance or a fleet arrangement can put them on one schedule with consistent terms.
Workers Compensation Obligations
If you employ workers, you need workers compensation cover in line with the scheme in each state or territory where they are employed. Who counts as a worker, how cover is arranged and how interstate work is treated all vary, so check the current requirement with the relevant scheme. If your crew flies in from another state, or works across several states, raise it before the contract starts.
Sites commonly ask for evidence of workers compensation cover during pre-qualification. Owner-operators and working directors may not be covered for their own injuries, so personal accident or income protection cover is worth considering.
How Mining Contractor Insurance Fits Together
There is rarely a single policy that does everything. A typical programme combines liability, plant, motor and, where relevant, professional indemnity and contract works, each with its own terms. Placing them together makes it easier to keep limits, interested parties and expiry dates aligned — which is exactly what pre-qualification checks test.
How to Prepare for Site Access
- Get the insurance clause early. Ideally at tender stage.
- Compare it with your current policies. Limits, principal’s interest, underground cover, pollution, vehicles.
- Arrange changes before mobilising. Endorsements take time.
- Request certificates that record the principal’s interest. See what a certificate of currency shows.
- Keep a document pack ready. Certificates, schedules, a plant list with serial numbers, operator tickets and fire suppression service records.
- Track expiry dates. Pre-qualification portals commonly flag expired certificates, and an expired certificate can stop your crew at the gate.
Common Questions
Can I use my standard contractor’s liability policy on a mine site?
Possibly, but check the occupation description, the limit and any mining or underground exclusions first.
Will a certificate of currency be enough on its own?
Some sites accept certificates alone; others commonly ask for policy wordings or confirmation of specific clauses. Check the pre-qualification requirements.
Does my plant policy cover underground work?
Not necessarily. Some policies exclude it or require it to be declared. Ask before you mobilise.
Do my subcontractors need their own cover?
Usually. Mining contracts commonly require subcontractors to hold equivalent cover, so collect and check their certificates before they go on site.
Talk It Through
Request a quote or call 1300 983 940 and we will review the contract’s insurance clause against your current cover. You can also read more about our mining contractor cover.
General advice only. This article does not take your objectives, financial situation or needs into account. Consider the relevant PDS and Target Market Determination before deciding on a policy.