Tree Risk Assessment Form
A printable likelihood-and-consequence matrix that ends in Sound, Monitor or Remove.
- Inputstarget · defect
- Outputrisk tier
Safety & the trade
3 calculators · 6 guides · 2 comparisons
Hazard rating, the Z133 rules a crew works to, what the work pays, and the numbers behind running the truck.
Where to start
This section is for the people doing the work and the people hiring them. The tree risk assessment form walks a tree through likelihood of failure and what it would land on, the structure a formal assessment follows. How to become an arborist and ISA certified arborist cover the way into the trade and the credential that carries weight on a report, and arborist salary reads the federal wage data for the occupation. If you are running the truck, how to start a tree service business and tree service insurance cost cover the numbers behind a bid. The tree service estimate template puts that bid on paper, and the tree removal permit checker tells you when the city has a say.
Calculators
Tree Removal Permit Checker
Walk the six questions that decide whether your removal needs a permit.
- InputsDBH · species
- Outputpermit likely
Chipper Productivity Calculator
Crew hours to clear a brush pile, from chipper capacity, pile size and drag distance.
- Inputspile · chipper · drag
- Outputcrew hours
Guides
- How to Become an Arborist10 minThe route from groundie to climber to credential, and what each step takes.
- ISA Certified Arborist9 minWhat the credential covers, what it does not, and how to check one is real.
- Arborist Salary8 minFederal wage data for tree trimmers and pruners, read percentile by percentile.
- How to Start a Tree Service Business12 minTruck, chipper, insurance and the first ten jobs — with the capital each one needs.
- Tree Service Insurance Cost9 minGeneral liability, workers' comp and the inland-marine line most owners forget.
- Chainsaw Safety and PPE9 minThe protective kit OSHA and Z133 expect on a tree crew, piece by piece, and why each one is there.