CPCS A40 Slinger Signaller Foundation

 Establishing the weight and dimensions of loads and communicating this information to the crane operator
 Selecting appropriate lifting tackle, attaching and detaching it correctly and safely
 Directing the actions of a crane moving loads of various weights and dimensions, giving clear and unambiguous signals in such a manner as to ensure the safety of personnel and plant
 Determining the serviceability of lifting tackle maintaining and storing it correctly
 The duties and responsibilities, as required by statute, of a slinger/signaller
 The effects of load movement on the stability of a crane
 Potential hazards associated with crane operation how to overcome them
 The effect of varying the angles of multi-leg slings and how to calculate their safe working loads
 Methods of establishing weights and dimensions of loads
 The standard code of signals
 Operator problems of crane control
 Automatic safe load indicators
 Crane safety devices