4.1. Structures and associated plant are erected according to procedures and site information.
4.2. Stability of structures and associated plant is maintained during erection according to procedures.
4.3. Work is conducted safely at heights including safe and effective use of safety equipment.
4.4. Appropriate communication methods and communication equipment, are used to co-ordinate the tasks.
4.5. Associated plant and rigging equipment is used according to procedures and the appropriate standard.
4.6. Temporary guys, ties, propping and shoring, including flexible steel wire rope , and tubing, are connected where required.
4.7. Associated equipment is used in a safe and appropriate manner.
4.8. The completed task is inspected according to the appropriate standard.
4.9. Excess materials are removed from the work area (where applicable).