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linework fundamentals chapter 3
Northwest lineman college appleford
11
Other
Professional
01/28/2015

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Term
Performing work on transmission lines
Definition
when are snatch blocks commonly used
Term
Safety latch
Hook
Locking Pin
Center pin
Pivot pin
Shell
Sheave
Definition
Parts of snatch block
Term
Stamped on hook or shell or riveted tag
Definition
where are weight ratings located on snatch block
Term
remove from service
Definition
what to do if there is no visible weight tag
Term
dependent on rope angle
Definition
what is snatch block tension dependent on
Term
Decrease/Increases
Definition
when the angle of the rope through the block ____________, the tension on the block ___________.
Term
friction
Definition
what is created when a rope passes through a block
Term
10 %
haul line
Definition
how much friction is always applied to a rope that passes through a block. also known as?
Term
strong points
Definition
where snatch blocks should be placed on a structure when riggin on tranmission structures
Term
haul line
Definition
part of rope that exits the parted blocks and is used to hoist load
Term
hook strain
Definition
tension applied to hook of parted block
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