AC-Ch. 15 Worker Safety Flashcards
In the united states industry developed national consensus safety standards of practice for tree care
ANSI Z133.1
In the context of guidelines, standards, and specifications that which is acceptable to federal, state, provincial or local enforcement authorities or is an accepted industry practice
Approved
Cut made on a tree trunk or branch, opposite from and toward the notch, face cut or undercut to complete felling or branch removal
Back cut
Dangerous condition created when a tree or branch splits upward vertically from the back cut, slab up.
Barber chair
Trousers designed to protect legs while operating a chain saw
Chain saw pants
Form of leg protection or PPE worn when operating a chain saw and/or when applying chemicals. Made of various materials, depending on use.
Chaps
System of vocal communication used in tree care operations
Command and response system
45 degree notch with a horizontal bottom cut. Used in removing trees or branches.
Conventional notch
Any part of the body touching an energized conductor
Direct contact
Predetermined area where cut branches or wood sections will be dropped or lowered from a tree.
Drop zone
Any object, material or medium through which an electrical current can flow. Electric supply lines are designed as electrical conductors however guy wires, communication cables, tools, equipment, vehicles, humans, animals and other items can function as electrical conductors.
Electrical conductor
Predetermined set of procedures by which emergency situations are assessed and handled.
Emergency response
Metal or plastic wedge inserted into the back cut to help direct the path in which a tree or tree parts falls.
Felling wedge
Emergency care or treatment of the injures or illnesses of a person to stabilize his or her condition before medical help is available.
First aid
Strip of uncut wood fibers created between the face cut or notch and the back cut that helps control direction in tree felling or limb removal.
Hinge