| Introduction | |
| Compliance with licensing | |
| Tree-felling categories | |
| National competency standards | |
| Professional attitude | |
| Workplace safety | |
| Risk assessment for tree fallers | |
| Equipment, competence of faller and environment: Personal protective equipment | |
| Your equipment | |
| Other equipment | |
| Competence of faller | |
| The current and predicted weather conditions | |
| The tree and its environment | |
| Safe working distance | |
| Escape route | |
| Felling technique | |
| Before starting the chainsaw - final check! | |
| Safety warning signs used for felling operations | |
| Hazardous trees: Typical examples of tree hazards | |
| Typical examples of other hazards | |
| Risk control process for trees with identified hazards | |
| Tree Felling | |
| Theory of felling | |
| Importance of directional felling | |
| Considerations before felling each standing tree: Natural lean of tree | |
| Weight distribution of crown | |
| Which tree to fell first | |
| Check for defects | |
| Intergrowth with adjoining trees | |
| Contact with adjoining trees | |
| Wind conditions | |
| Hangers or widow makers | |
| Hung-up trees | |
| Open spaces | |
| Special conditions | |
| Terrain | |
| Hazards in the work area | |
| Preparation at each tree prior to felling | |
| Clean around base of tree | |
| Prepare escape route: Escape route | |
| Standard tree-felling techniques | |
| The scarf : Function of the scarf | |
| Types of scarfs | |
| Features of a good scarf | |
| Depth of scarf | |
| Standard scarf | |
| Other types of scarf: Humbolt scarf | |
| 90° scarf | |
| V scarf | |
| Scarf cutting technique: Putting your body in position | |
| Aiming along the desired direction of fall | |
| Achieving scarf cut angles | |
| Size of opening | |
| Wing cuts | |
| Scarf cuts not matched (unequal depth) | |
| Back cut | |
| Back cutting techniques: Method Al | |
| Method B | |
| Hingewood: Hingewood for the side lean | |
| Splitting trees: Tree species | |
| Causes of splitting | |
| Felling procedures to minimise splitting | |
| Lifting trees | |
| Wedges: Types of wedges | |
| Using a wedge | |
| Felling bars | |
| As the tree falls | |
| Post-felling checks | |
| Tree with side lean: Tapered hingewood | |
| Tapered hingewood plus wedge | |
| Tree with forward lean: Back release cut - strap technique | |
| Double leaders | |
| Trees with backward lean | |
| Techniques for small trees with the use of wedge or felling bar: Technique 1 | |
| Technique 2 | |
| Complex Felling Techniques | |
| Felling hazardous trees | |
| General guidelines | |
| Large trees: Centre scarf | |
| Defective trees: Hollow trees | |
| Stags | |
| Burnt-out trees | |
| Large multiple leader trees | |
| Windblown trees: Felling technique for windblown trees still attached to stump | |
| Tree snapped off above the ground | |
| Root ball is lifted | |
| Bent or stressed trees | |
| Heavy forward-leaning trees with diameter greater than bar length: Strap technique | |
| Other techniques | |
| Machine-assisted manual felling | |
| Tree jacking | |
| Glossary | |
| Relevant state authorities and technical standards | |
| Technical standards | |
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