Describe the delegated scope
Identify drilling, blasting, haulage, engineering or other services separately. Determine who directs the work, supplies equipment and employs personnel. Disclose material subcontracted operations to insurers and do not assume a general subcontractor allowance includes every specialized mining activity.
Verify more than a certificate
Review required policies and endorsements, dates, limits and restrictions relevant to the work. Additional insured status and waivers should be supported by actual policy provisions where required. Establish a process for renewals and scope changes rather than treating initial acceptance as permanent verification.
Coordinate contract obligations
Compare the subcontract with the obligations your company has accepted upstream. Legal review is important where indemnity, defense or insurance requirements conflict or cannot be obtained. Keep records of the review and avoid promising the mine operator protection that neither your policy nor the subcontractor’s policy provides.
Illustrative review scenario
A specialist subcontractor renews its policy midway through a project with changed exclusions. The hiring contractor receives a new certificate but does not compare the underlying terms. Establish a process to review material changes affecting the subcontracted work. Keep the evidence and escalate any mismatch with upstream obligations rather than assuming uninterrupted dates mean unchanged protection. If the subcontractor changes insurers during the project, who checks the replacement terms? Maintain a renewal review process that considers endorsements and restrictions as well as the new certificate dates.