CTSP - Certified Treecare Safety Professional Hazard and Risk Assessment Questions and Answers

Question 1

Which of the following best defines the term 'risk' in the context of arboricultural hazard assessment?

Accepted Answer

The combination of the likelihood of a tree failure occurring and the severity of the potential consequences.

Answer

The potential for a tree or tree part to cause harm.

Answer

Any structural defect, decay, or condition that may lead to tree failure.

Answer

A tree that has been identified for removal due to its condition.

Question 2

A tree care crew is preparing to remove a large, dead oak tree located next to a busy sidewalk and a public park. According to ANSI Z133 standards, what is the first critical step in their job-site hazard assessment?

Accepted Answer

Conducting a pre-work briefing to discuss hazards, work procedures, and establish a work zone.

Answer

Assembling and inspecting all chainsaws and rigging equipment.

Answer

Beginning to limb the tree from the lowest branches upward.

Answer

Applying for a permit from the local municipality for tree removal.

Question 3

When performing a tree risk assessment, for a significant risk to exist, there must be a tree with a defect and what other critical component?

Accepted Answer

A target.

Answer

A qualified arborist to perform the inspection.

Answer

A history of previous failures from the same tree species.

Answer

Advanced decay detection equipment.

Question 4

According to OSHA and ANSI Z133 standards, a comprehensive job-site hazard analysis for a tree pruning operation should include an assessment of which of the following categories?

Accepted Answer

The health of the tree, site conditions, and necessary equipment and PPE.

Answer

Only the structural integrity of the tree being pruned.

Answer

The client's budget and the expected time for job completion.

Answer

The crew's previous experience with the tree species.

Question 5

A CTSP is observing a crew setting up for a removal. The crew identifies a large, detached branch hung up in the canopy (a 'widow maker'). How should this specific hazard be classified?

Accepted Answer

An imminent danger hazard.

Answer

A latent hazard.

Answer

A tolerable risk.

Answer

A site-specific variable.

Question 6

What is the primary difference between a 'hazard' and a 'risk'?

Accepted Answer

A hazard is a condition with the potential to cause harm, while risk is the likelihood of that harm occurring combined with its severity.

Answer

A hazard is related to equipment, while a risk is related to the tree's condition.

Answer

A hazard can be eliminated, while a risk can only be mitigated.

Answer

There is no functional difference; the terms are used interchangeably in safety management.