Taking Action Intervention, Controls, and Prevention

Chapter 13—Taking Action Interventions, Controls, and Prevention—This chapter approaches the issue of how to take control and eliminate, decrease, or replace the existing hazards with which we are faced. This entails prioritizing the hazards which have been identified and using the most cost-effective control possible, which will gain the greatest risk reduction for the resources that are applied. Many examples of different types of controls will be provided so that the company will be able to select the most relevant to their situation. 

Preventive measures either take automatic remedial action or allow for manual intervention to prevent the conditions for uncontrolled reaction being achieved. They include the use of sensors, trips, alarms, control systems, and other safety features. These measures require a.thorough understanding of the safe operating envelope within which the process must be maintained.. . ... 

During the interview a case study was identified that describes an incident where, due to the mistake of a pilot of one taxiing aircraft, two aircraft were taking off almost simultaneously from crossing runways. After the correct intervention of the air traffic controllers from the ATC Tower, and adequate decision making, coordination and action of the pilots of one of the aircraft, a collision was prevented. This incident is described (in an anonymised manner) in the following section. 

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