Glossary term
What is Job hazard analysis?
Short answer
A job hazard analysis is a written check of each step of a job to spot dangers and decide how to control them before work begins.
Job hazard analysis, explained for tree service owners
A tree owner looks at a job step by step: access, climbing, rigging, cutting, chipping and cleanup. For each step, the crew lists what could go wrong, like a limb touching a service line, and how to prevent it. It does not need to be long. A one-page form filled out at the site works well. Keeping a copy shows customers and insurers that safety is planned, not guessed. Update the form when conditions change, such as a rise in wind or a surprise hazard.
Related terms
- Rigging
Rigging is the use of ropes, blocks, slings and friction devices to lower cut tree pieces to the ground in a controlled way.
- ANSI Z133
ANSI Z133 is the American national safety standard for tree care operations, such as climbing, rigging, chipping and working near power…
- Back cut
A back cut is the final cut made on the opposite side of the notch that frees the tree to fall, leaving the hinge intact.
- Chainsaw chaps
Chainsaw chaps are cut-resistant leg guards that clog a saw chain if it touches the leg, giving time to stop.
- Chipper feed rollers
Chipper feed rollers are the powered rollers at the chute that pull branches into the blades at a steady pace.
- Climbing spikes
Climbing spikes are sharp metal points strapped to a climber's boots that bite into the trunk, used mainly on trees being removed.
- Conventional notch
A conventional notch is a wedge cut with a flat bottom and a sloped top that guides a tree to fall in a set direction.
- Drop zone
A drop zone is the marked area on the ground where cut branches and wood are expected to fall, kept clear of people.
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