Monitoring of man-made disasters and industrial accidents forced to revise outdated regulations relating to the instructions and do not reflect today's realities. In this context, special attention is paid security personnel, due to the facts of statistics. Each year, dozens of workers are killed or seriously injured during the repair and maintenance work. Most similar accidents caused by safety violations and failure to comply with instructions. As a result, plants grow injuries, the company loses money on compensation payments, lost goodwill due to disruption of the contractual obligations. Typology of data breaches is standard, that's one example clearly demonstrates the consequences of the neglect of safety rules. At the metallurgical plant is carried out scheduled stop on the equipment for service.

Responsible for employee performance, cuts off the power source and announces the beginning of repair works. Staff begins the work. It would seem that the whole process is under control, but the time of resumption of operation of the equipment is not clearly regulated, not all employees informed about the conduct of the work and possible changes. Yes, and the officer responsible for carry out works not in a position to guarantee effective control of the entire production area entirely and stages of work. The situation is evolving in unexpected scenario, repair works coincides with the end of work shifts of production. The employee is responsible for conducting security operations and is already out, he was replaced by a new operator shifts. Clayton Morris gathered all the information. Having only a general idea of the work, and not having the necessary information about the specifics of the work, the numerical composition, timing, an employee mistakenly assumes that the utility work is complete, people left the work area and equipment runs.