15. TREE WORKER SAFETY WORKBOOK Flashcards
As used in many standards and regulations, the term ____ denotes a mandatory requirement.
Shall
As used in many standards and regulations, the term ____ denotes an advisory recommendation.
Should
True/False—Industry-based standards are not, by themselves, legally enforceable.
True
True/False—The ANSI Z133 is the standard used in the United States.
True
True/False—Head protection need only be worn while there are climbers in the trees.
False
True/False—Eye protection is not required for tree work.
False
True/False—Hearing protection may be in the form of earplugs or earmuff-type devices.
True
True/False—Workers must not wear gauntlet-type gloves while chipping brush.
True
True/False—All communication wires and cables shall be considered to be energized.
True
True/False—Any tree workers who work in proximity to electrical conductors must receive training in electrical hazards.
True
True/False—’Electrical conductor’ is defined as any overhead or underground electrical device.
True
True/False—Rubber footwear and gloves provide absolute protection from electrical hazards.
False
The ____ summarizes what has to be done and who will be doing each task. Should include emergency phone numbers.
Job briefing
The voice ____ and ____ system ensures that warning signals are heard.
Command, Response
True/False—All workers should receive some education and training in emergency response procedures.
True
Always engage the ____ before starting a chain saw.
Chain brake
True/False—A chain saw engine does not need to be stopped for refueling.
False
True/False—Kickback can occur when the upper tip of the chain saw guide bar contacts an object.
True
True/False—A well-trained climber should be able to dodge the kickback of a chain saw.
False
True/False—An open-face notch is preferred for felling trees.
True
True/False—If using a conventional notch to fell a tree, the back cut does not need to be stepped up higher than the hinge.
False
The ____ is critical in controlling the direction of fall of a tree.
Hinge
Sometimes, if the tree is leaning in the direction of fall, it can split upward from the back cut. This is called a ____ ____, and it can be very dangerous.
Barber chair
Workers should feed brush into chippers from the ____ and not allow any part of the body to cross the plane of the infeed chute.
Side
True/False—Safety is the responsibility of all employees from the owner to the ground worker.
True
Match the term: Shall → ____
Mandatory requirement
Match the term: Approved → ____
Meets applicable standards
Acceptable to the federal, state, provincial or local enforcing authority having jurisdiction.
Match the term: CPR → ____
Cardiopulmonary resuscitation
Match the term: Direct contact → ____
Body touches energized conductor
Match the term: Should → ____
Advisory recommendation
Match the term: Indirect contact → ____
Touching an object in contact with an energized conductor
Match the term: MEWP → ____
Mobile elevating work platform
Match the term: Chaps → ____
Leg protection for chain saw use
According to many standards, the term ‘shall’ denotes:
a mandatory requirement
The area within the work zone where the crew expects cut branches or logs to be dropped is called the:
drop zone
Head protection is required for tree workers:
whenever tree care operations are underway
The most common situation that can cause chainsaw kickback is:
when the upper quadrant of the guide bar tip contacts an object
A leading cause of fatalities among climbers in palms is:
sloughing of fronds
What degree is an open faced notch?
70 degrees or more
What degree is a conventional notch?
45 degrees
The hinge on small to medium diameter trees should be a thickness of ________
5-10% of the trees DBH (DIAMATER AT BREAST HEIGHT)
What is the MINIMUM APPROACH DISTANCE
10FT
How far should bystanders be when felling a tree
at least two tree lengths
How far should workers involved in the removal of a tree be including those on the tagline?
must be at least one and half trees length away
What percentage should the depth of the notch be in relation to the diameter of the tree
20-25 percent of the diameter
The length of the hinge should be about ___% of the trees diameter
80%
The preferred retreat path for the feller is ___° on either side of a line drawn opposite the intended direction of fall.
45°
ANSI STANDARDS FOR SAFETY
EYE/EAR SAFETY
HELMET SAFETY
-ANSI Z133
-ANSI Z87
-ANSI Z89
The crew leader should formulate and communicate the ____ _____.
Work Plan
Equipment must not be started or operated within __m (10ft) of the refueling site.
3
If two workers are operating saws at the same time, they should be at least ___ m apart.
3m (10ft)
Occurs when the bottom cut goes farther into the trunk, past the end of the top cut. Reduces control and the effectiveness of the hinge.
Bypass Cut
