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Published byEsperanza Kicker Modified over 9 years ago
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Basic Chainsaw Safety & Directional Felling
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Course Outline Why we train Required Personal Protective Equipment (PPE) Safety features of the chainsaw Safely starting a chainsaw Reactionary forces when operating a chainsaw Developing a safe felling plan Properly notching and felling a tree
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Manual vs. Mechanical Felling
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Why We Train: Risk and Hazard Mitigation
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Personal Protective Equipment (PPE) Required PPE when operating a chainsaw: Eye protection Hearing protection Head protection Leg protection Foot protection Personal first aid kit
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Eye Protection Face Screen Safety Glasses
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Hearing Protection Ear Muffs
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Head Protection Hard Hat
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Leg Protection – Why It Is Needed
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Types of Leg Protection Images courtesy of http://www.stihlusa.com/
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How Leg Protection Works
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Front side of chapsBack side of chaps
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How Leg Protection Works
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Foot Protection Leather Boots are NOT cut-resistant Saw hands are required to wear cut- resistant footwear
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Personal first aid kit
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Safety Features of the Chainsaw Chain brake Throttle inter-lock Chain catch peg
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Chain Brake
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Throttle inter-lock
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Chain Catch Peg
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Proper Grip For Holding the Saw
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Reactionary Forces
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Pulling Chain
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Pushing Chain
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Bottom Quadrant or The Attack Corner ATTACK CORNER
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Kick-back Zone Kick-Back Zone
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Safely Starting a Chainsaw
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Ground Starting
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Leg Lock Start
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Safely Starting the Chainsaw
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Properly Felling a Tree
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Developing a Felling Plan
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The Felling Notch
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Notch Angle
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Correct Notching
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Avoid By-Passed Notching
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Cutting the Notch
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The Felling Plan 1.Overhead Hazards 2.Side Lean/ Good Side;Bad Side 3.Escape route 4.Proper Hinge Wood 5.Back Cut
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Overhead Hazards
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Bad SideGood Side
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Escape Direction of fall 45 0
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Proper Hinge Wood Function of the hinge wood Proper hinge width Role of tree species in determining hinge width
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Function of the Hinge Wood
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Proper Hinge Width
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Tree Species & Hinge Width Photos courtesy of http://cnre.vt.edu/dendro/dendrology/factsheets.cfm
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Body Placement
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Two Types of Back Cuts Conventional back cut Controlled release back cut
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Conventional Back Cut
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Controlled Release Back Cut
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Conclusion
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The SHARP Logger Program would like to thank the following groups for making this training possible: Disclaimer: Commercial products pictured in this training are for informational purposes only. Virginia Cooperative Extension does not endorse these products and does not intend discrimination against other similar products. Forestry Mutual Insurance Company Bob Shank – Shank Logging Ontario Hardwoods Inc.
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Training Completion
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