Occupying the space for more than 1 hour continuously. Space contains a spilled hazardous chemical. Repair process will generate hazardous by-products. Employee is trained in confined space safety. Employee is wearing appropriate personal protective equipment.
Employee has a means of communication to outside the space.
Employee has adequate lighting or lighting source. Employee is trained in heat stress safety. Employee has mechanical ventilation in place as needed. Employee follows any Standard Operation Procedures required to entry.