UNDERSTAND THE CONCEPT
A contractor may bring excellent technical experience and its own work planning documents, but the host plant controls important information about the site. Local operating conditions, adjacent activities, emergency arrangements, and permit responsibilities need to be understood together. Host and contractor procedures must be coordinated before work begins, with any differences resolved by the responsible parties rather than assumed away.
A useful coordination record identifies the contractor organization, named site contact, proposed scope, and relevant host requirements. It should make missing information visible early enough for review. Passing a supplier assessment or completing onboarding does not issue a job permit. Equally, a host permit does not remove the contractor's responsibilities for its workers and activities. Use the host's approved procedures and designated authorities to establish how each party participates in authorization and communication.
Questions to take back to your team
- Has the contractor received current host-site information?
- Who resolves differences between the organizations' procedures?
- Are supplier approval and job authorization tracked separately?
Awareness guide only. Follow applicable requirements, qualified review and your site’s approved procedures. Reading this page does not authorize work or certify competence.
Further reading
Explore the primary references below. Requirements and applicability depend on your organization and jurisdiction.

