CTSP CTSP Ground Operations and Traffic Control 2

Question 1

OSHA 1910.266 requires that a minimum of how many trained employees be present when chainsaw work is performed in a hazardous location?

Accepted Answer

Two — a worker and a trained observer/partner

Answer

OSHA requires at least two trained employees on site so one can assist or summon help if the other is injured during chainsaw operations.

Question 2

What is the recommended minimum exclusion zone radius around a tree being felled to protect ground workers?

Accepted Answer

Two tree-lengths in every direction

Answer

ANSI Z133 recommends an exclusion zone of at least two tree-lengths in all directions to account for unexpected roll, bounce, and limb scatter.

Question 3

When using a wood chipper, what must be done before any operator reaches into the feed chute to clear a jam?

Accepted Answer

Shut down the chipper, engage the brake/lock, and wait for all rotating parts to stop completely

Answer

The chipper must be completely shut down and all rotating components must come to a full stop before any hands-on clearing of jams to prevent amputations.

Question 4

Which signal should a ground crew member give to immediately stop all work when an unsafe condition is spotted?

Accepted Answer

A clear verbal shout of 'STOP' accompanied by a raised fist or closed hand signal

Answer

A loud verbal 'STOP' combined with a raised fist is the universally recognized emergency stop signal in arborist ground operations.

Question 5

What does the term 'drop zone' mean in tree care ground operations?

Accepted Answer

The designated area where cut material will land, cleared of personnel before cutting begins

Answer

The drop zone is the pre-identified, personnel-cleared area where cut wood pieces are expected to fall or be lowered during tree work.

CTSP - Certified Treecare Safety Professional Practice Test

CTSP - Certified Treecare Safety Professional Practice Test

CTSP CTSP Ground Operations and Traffic Control 2