Mixed Deck — All CTSP Topics Flashcards

During aerial lift operations, a ground-based crew member must:

Answer: Stay clear of the drop zone and maintain visual communication with the operator

Ground crew must stay out of the drop zone to avoid struck-by hazards and maintain sight lines and communication with the bucket operator.

OSHA's Bloodborne Pathogens Standard (29 CFR 1910.1030) requires employers to offer hepatitis B vaccination to employees at risk at:

Answer: No cost to the employee

The Bloodborne Pathogens Standard requires employers to make the hepatitis B vaccine available at no cost to employees with occupational exposure.

What is the function of the 'back cut' in a standard tree felling operation?

Answer: To complete the felling by cutting from the back of the tree to release it from the hinge

The back cut releases the tree from the stump and allows it to fall in the direction controlled by the notch and hinge.

A CTSP is developing a comprehensive safety program for a tree care company. Which of the following is the MOST critical foundational element for the program's success?

Answer: A written commitment to safety from all levels of management.

A successful safety program begins with a clear and demonstrated commitment from leadership. This top-down approach fosters a strong safety culture where every employee understands that safety is a core value of the organization, influencing all decisions and actions.

Under OSHA's Powered Industrial Trucks standard, which of the following is required before an operator uses a aerial lift device (bucket truck) for tree work?

Answer: Employer-provided training and authorization specific to the equipment type

OSHA requires operators of aerial lifts to be trained and authorized by the employer before using the specific type of equipment.

Which of the following best describes the concept of 'hierarchy of controls' application in selecting fall protection for climbers?

Answer: Prefer elimination or engineering controls; use PPE only when higher-order controls are infeasible

The hierarchy prioritizes elimination and engineering controls over PPE; in climbing, this might mean using an aerial lift instead of a climbing system when feasible.

What is the primary safety advantage of using two-way radios over hand signals on a large tree removal site?

Answer: Radios allow clear communication when line-of-sight between crew members is blocked

Two-way radios maintain communication when trees, buildings, or noise prevent visual or auditory hand signals from working reliably.

During post-incident investigation, photographs of the scene should be taken from:

Answer: Multiple angles, including wide-shot, mid-range, and close-up views

Comprehensive photography from multiple distances and angles provides complete visual documentation of the incident scene.

A ground crew member observes a climber using an uncertified rigging component. According to best leadership practice, what should the ground crew member do?

Answer: Speak up immediately, as stopping unsafe acts is everyone's responsibility

In a strong safety culture, every worker is empowered and expected to intervene when unsafe conditions or equipment are observed.

When a worker is struck by a falling branch during tree removal, what is the FIRST action a crew member should take?

Answer: Ensure the scene is safe before approaching the injured worker

Scene safety must be confirmed before approaching an injured worker to prevent additional casualties.

Which of the following is the MOST effective long-term corrective action to prevent recurrence of a climbing fall incident?

Answer: Revising the job hazard analysis, updating training, and verifying competency through observed practice

Updating hazard analyses, delivering targeted training, and verifying competency through observation addresses systemic gaps and ensures lasting behavioral change.

An effective safety training program for new arborists should be documented. This documentation primarily serves to:

Answer: Provide evidence of compliance with OSHA regulations and industry standards.

OSHA requires employers to provide and document safety training. Proper documentation serves as proof that the employer has fulfilled their legal obligation to train employees on hazard recognition, safe work practices, and emergency procedures, which is crucial during an inspection or after an incident.

A risk assessment matrix typically combines which two primary factors to determine overall risk rating?

Answer: Likelihood of failure and consequences of failure

The ISA risk matrix crosses likelihood of failure with consequences of failure to produce an overall risk rating.

Why should workers in an aerial lift never tie off to an adjacent structure or tree limb for added support?

Answer: Movement of the boom could leave the worker suspended outside the basket

Tying off to a fixed structure while in a moving boom can result in the worker being dragged out of the basket if the boom swings or retracts.

Which element of an effective safety program is described as 'leadership visibly participating in safety activities'?

Answer: Management commitment

Management commitment means supervisors and owners actively demonstrate that safety is a priority through their own visible participation.

Which personal protective equipment (PPE) is specifically required when operating a chainsaw during tree work?

Answer: Chainsaw-resistant chaps, gloves, helmet, eye protection, and hearing protection

ANSI Z133 requires chainsaw operators to wear chainsaw-resistant chaps, gloves, a helmet, eye protection, and hearing protection during operation.

Under hot working conditions, a tree care worker wearing chainsaw chaps and full PPE should be monitored for signs of:

Answer: Heat stress and heat stroke

Full chainsaw PPE significantly reduces the body's ability to dissipate heat, greatly increasing the risk of heat stress and heat stroke in warm conditions.

What is 'touch potential' and why is it relevant to tree workers after a tree contacts a power line?

Answer: The voltage difference between the ground and an energized object a worker touches simultaneously, creating a path for current flow

Touch potential is the voltage between a worker's hand touching an energized object (like a tree in contact with a line) and their feet on the ground, which drives current through the body.

What must an operator do before moving a boom truck to a new location with the boom elevated?

Answer: Retract and lower the boom to the travel position

Booms must be fully retracted and lowered to the stowed travel position before driving to prevent tip-over from dynamic forces and clearance hazards.

Which practice best demonstrates a 'just culture' in a treecare organization?

Answer: Distinguishing between honest mistakes, at-risk behavior, and reckless conduct when responding to incidents

Just culture differentiates between error types, encouraging reporting without fear of unfair punishment while still holding recklessness accountable.