CTSP CTSP Struck-By and Falling Object Hazards

Question 1

According to ANSI Z133, what is the minimum safe distance bystanders must maintain from tree removal operations?

Accepted Answer

Twice the height of the tree being removed

Answer

Equal to the height of the tree being removed

Answer

A fixed distance of 50 feet from the tree

Answer

A fixed distance of 10 feet from the work zone

Question 2

What is the primary purpose of establishing a drop zone during tree removal operations?

Accepted Answer

To designate where cut pieces will fall and keep non-essential personnel clear

Answer

To indicate where the aerial lift should be positioned

Answer

To mark safe standing areas for all ground crew members

Answer

To outline the legal boundaries of the work property

Question 3

What should ground workers do while a climber is making overhead cuts?

Accepted Answer

Position themselves in a safe zone outside the established drop zone

Answer

Stand directly below to catch or redirect falling debris

Answer

Hold the base of the tree to reduce vibration during cutting

Answer

Continue chipping operations nearby to maintain work efficiency

Question 4

What is a 'barber chair' in tree felling, and why is it considered extremely dangerous?

Accepted Answer

When a tree splits vertically during felling, causing the butt to kick back violently

Answer

A rest position used by climbers during long ascents

Answer

A rigging technique used for lowering large wood sections

Answer

A tree disease that causes the bark to peel in strips

Question 5

What type of PPE is specifically designed to protect tree workers against chainsaw contact, including kickback?

Accepted Answer

Chainsaw-resistant chaps or pants containing cut-resistant fiber material

Answer

Safety glasses with side shields

Answer

A hard hat with face shield attachment

Answer

A high-visibility vest with reflective striping

Question 6

What is the recommended escape route plan a feller must establish before beginning a felling operation?

Accepted Answer

Two escape routes at approximately 45-degree angles from the back of the tree

Answer

One escape route leading directly away from the back of the notch

Answer

Running parallel to the anticipated direction the tree will fall

Answer

No specific escape route is needed if the landing zone is pre-cleared