Special Riggers Exam Questions And Answers
Bowline - ANSWER secure safety line
Back Hitch - ANSWER secure rope scaffold
Working Hitch - ANSWER back up to back hitch
Overnight Hitch - ANSWER tie off scaffold at night
Becket Hitch - ANSWER tie rope to block and tackle
Rig 3-Part Block - ANSWER used to hoist rope scaffold
Timber Hitch - ANSWER used to hoist planks, cross braces, etc.
Clove Hitch - ANSWER multipurpose knot
Square Knot - ANSWER tie two ropes together of same diameter
Sheet Bend - ANSWER tie two ropes together of different diameter
k Sheep - ANSWER
Cats Paw - ANSWER Bowline loop with 3 twists for hoisting a hook
Rolling Hitch - ANSWER Tensionless knot used for strain relief etc.
Rope scaffolds must use Grade (blank) Manila rope - ANSWER #1
Right regular laid ropes should be coiled (Blank) - ANSWER clockwise
Rope scaffolding must use ()" diameter rope for manila rope - ANSWER 3/4"
rope scaffolding cannot be used higher than () - ANSWER 100'
rope scaffolds must be able to be () to a roof or setback - ANSWER lowered
suspension lines may never be () - ANSWER spliced
pull lines on rope scaffold must be closest to a(). • B() of the stirrup from the worker, as
best practice. - ANSWER A(building wall) B(opposite side)
wire ropes must support () times the intended load - ANSWER 6 times
, Wire ropes must not be () they must hang free - ANSWER coiled up
All cable terminations must have a (). - ANSWER thimble and three j-clips.
If a shackle is used the pin should be () to prevent loosening. - ANSWER wired shut
suspension lines must be kept () to the building gacade - ANSWER parallel
Motors must be inspected every (____) months and a record kept on this job -
ANSWER 6 months
Platforms must have guardrails in place capable of supporting (__) with supports every
(__) - ANSWER 100 lbs with supports every 8'
Platforms must be at-least (___) but no more than (___) wide - ANSWER 20" but no
more than 36" wide
Platform must overhang stirrups at least (___) but not more than (___) - ANSWER 6"
but not more than 18"
Standard 10' platform cannot be more than (___) off level when work is being
performed. - ANSWER 2.5" off
(___) wire mesh is required between the top rail and platform if public or property is
exposed to a "struck-by" hazard. - ANSWER 18 guage ½" wire mesh
(___) (___) (___) are required at back side, on scaffold ends (if stirrups more than 12"
from platform end), and in front if scaffold is more than 6" from building façade. -
ANSWER Top rail, mid rail, and 5 ½" toeboard
Outrigger Counter Weight Formula: - ANSWER 4 x L x A
------------------ = W
B
Outrigger Counter Weight Variables:
4=
L-
A=
B=
W= - ANSWER 4 = Safety Factor
L = Load (Motor Capacity)
A = Distance from fulcrum to suspension line
B = Distance from fulcrum to weights
W = Counterweight Required
Bowline - ANSWER secure safety line
Back Hitch - ANSWER secure rope scaffold
Working Hitch - ANSWER back up to back hitch
Overnight Hitch - ANSWER tie off scaffold at night
Becket Hitch - ANSWER tie rope to block and tackle
Rig 3-Part Block - ANSWER used to hoist rope scaffold
Timber Hitch - ANSWER used to hoist planks, cross braces, etc.
Clove Hitch - ANSWER multipurpose knot
Square Knot - ANSWER tie two ropes together of same diameter
Sheet Bend - ANSWER tie two ropes together of different diameter
k Sheep - ANSWER
Cats Paw - ANSWER Bowline loop with 3 twists for hoisting a hook
Rolling Hitch - ANSWER Tensionless knot used for strain relief etc.
Rope scaffolds must use Grade (blank) Manila rope - ANSWER #1
Right regular laid ropes should be coiled (Blank) - ANSWER clockwise
Rope scaffolding must use ()" diameter rope for manila rope - ANSWER 3/4"
rope scaffolding cannot be used higher than () - ANSWER 100'
rope scaffolds must be able to be () to a roof or setback - ANSWER lowered
suspension lines may never be () - ANSWER spliced
pull lines on rope scaffold must be closest to a(). • B() of the stirrup from the worker, as
best practice. - ANSWER A(building wall) B(opposite side)
wire ropes must support () times the intended load - ANSWER 6 times
, Wire ropes must not be () they must hang free - ANSWER coiled up
All cable terminations must have a (). - ANSWER thimble and three j-clips.
If a shackle is used the pin should be () to prevent loosening. - ANSWER wired shut
suspension lines must be kept () to the building gacade - ANSWER parallel
Motors must be inspected every (____) months and a record kept on this job -
ANSWER 6 months
Platforms must have guardrails in place capable of supporting (__) with supports every
(__) - ANSWER 100 lbs with supports every 8'
Platforms must be at-least (___) but no more than (___) wide - ANSWER 20" but no
more than 36" wide
Platform must overhang stirrups at least (___) but not more than (___) - ANSWER 6"
but not more than 18"
Standard 10' platform cannot be more than (___) off level when work is being
performed. - ANSWER 2.5" off
(___) wire mesh is required between the top rail and platform if public or property is
exposed to a "struck-by" hazard. - ANSWER 18 guage ½" wire mesh
(___) (___) (___) are required at back side, on scaffold ends (if stirrups more than 12"
from platform end), and in front if scaffold is more than 6" from building façade. -
ANSWER Top rail, mid rail, and 5 ½" toeboard
Outrigger Counter Weight Formula: - ANSWER 4 x L x A
------------------ = W
B
Outrigger Counter Weight Variables:
4=
L-
A=
B=
W= - ANSWER 4 = Safety Factor
L = Load (Motor Capacity)
A = Distance from fulcrum to suspension line
B = Distance from fulcrum to weights
W = Counterweight Required
