CTSP CTSP Ground Operations and Traffic Control 5

Question 1

During tree removal operations on a city street, who is ultimately responsible for ensuring the traffic control plan is implemented correctly?

Accepted Answer

The crew's qualified line-clearance arborist or job supervisor

Answer

The designated job supervisor or qualified arborist is accountable for proper implementation of the traffic control plan on the worksite.

Question 2

What does the acronym TAPER describe in traffic control zone setup?

Accepted Answer

The transition area where lanes merge before the work space

Answer

The taper is the transition area with channelizing devices that guides traffic from the normal lane into the adjusted path around the work space.

Question 3

A tree crew must work after dark on a roadside. Which additional requirement applies compared to daytime operations?

Accepted Answer

All channelizing devices must include retroreflective material or lighting

Answer

MUTCD and ANSI Z133 require retroreflective or illuminated channelizing devices for nighttime work zones to ensure visibility to drivers.

Question 4

A ground worker is feeding brush into a chipper when a large limb jams the infeed. The CORRECT response is to:

Accepted Answer

Shut off the chipper and follow the manufacturer's lockout/tagout procedure before clearing the jam

Answer

Lockout/tagout procedures must be followed before any attempt to clear a chipper jam to prevent catastrophic injury from unexpected machine start-up.

Question 5

Which factor MOST influences the length of the activity area (work space) in a temporary traffic control zone?

Accepted Answer

The size and location of the tree being removed

Answer

The size and location of the tree dictates how much roadway space must be closed to safely perform removal or pruning operations.

CTSP - Certified Treecare Safety Professional Practice Test