1. Principles of control C hapter 6

2. After reading this chapter, you should be able to: 1.Describe the general principles of control and a basic hierarchy of risk reduction 2.Describe what factors should be considered when developing and implementing a safe system of work for general work activities and explain the key elements of a safe system applied to the particular situations of working in confined spaces and lone working 3.Explain the role and function of a permit-to-work system 4.Explain the need for emergency procedures and the arrangements for contacting emergency services 5.Describe the requirements for, and effective provision of, first aid in the workplace. Principles of control

3. Figure 6.3 Colour categories Figure 6.3 Colour categories and shapes of signs and shapes of signs

4. Figure 6.5 Falling object and site entrance sign

5. Figure 6.18 General Permit to Work example