Coordinate the Space Between Contractors

Know the hazard

Team: Safety Workers. Topic: Contractor Safety.

Each contractor may understand its own task and still miss the hazard created between tasks. Safety coordination must examine shared space, shared equipment, and changes that cross employer boundaries. Begin with a map of who will work where and when. Include temporary employees, delivery drivers, maintenance staff, and people passing through. The fact that two employers have separate contracts does not physically separate their noise, dust, falling objects, or vehicle movements.

Use the controls

Ask each supervisor what their work introduces and what conditions they need others to maintain. Convert those answers into clear agreements: which route remains open, who controls access, where ventilation discharges, and how interruptions are communicated. Confirm the agreement with the people performing the work. A coordination meeting that never reaches the crew cannot protect the doorway where the conflict occurs. Resolve inconsistent instructions before work begins rather than asking employees to choose between supervisors.

Work within the safe plan

When schedules change, repeat the interface review. Keep one current contact route for urgent concerns and identify who can suspend conflicting activities. Safety staff should document unresolved issues and escalate them to the employers who can provide resources or change sequencing. Do not imply that one contractor's paperwork transfers every responsibility to another company. Our practical test is whether affected workers know the shared hazard, protective arrangement, and person to contact when the arrangement breaks down.

Discuss with the crew

A coating contractor exhausts solvent vapors beside a cleaning crew’s outdoor air intake.

Question: Why is separate planning insufficient?
Answer guidance: One task changes the exposure conditions for another employer.

Question: What should coordination resolve?
Answer guidance: Discharge location, intake protection, sequencing, and communication.

Prepare, act, and follow up

Leader preparation: Bring a site drawing and the contractor contact list.

Put it into practice: Map one contractor interface and agree on a specific shared control.

Supervisor follow-up: Verify both crews received the coordination decision.

Official reference: OSHA — Communication and Coordination
https://www.osha.gov/safety-management/communication

Awareness briefing. Apply current site procedures and applicable requirements. This talk does not replace required qualification, practical training, exposure assessment, medical evaluation, or a written program.

Suggested session: 5-7 minutes, including discussion and activity. Prepared October 18, 2026; recheck current requirements before use.

Show the crew

Map one contractor interface and agree on a specific shared control.