COMPLETE QUESTIONS AND SOLUTIONS
◉ category 1 operator aids. Answer: Boom hoist limiting device
Luffing Jib limiting device
Anti-two block device
◉ category two operator aids. Answer: jib angle indicator
load weighing device
outrigger stabilizer sensor
hoist drum rotation indicator
◉ daily inspection. Answer: crane is inspected daily before hoisting a
load no copy of inspection needed
◉ monthly inspection. Answer: performed 1 per month dated copy of
inspection must be kept for 3 months
◉ annual inspection. Answer: performed 1 every 12 months booming
down is required inspection of entire rope is required signed and dated
copies of inspection must be kept for one year
, ◉ rope removal criteria. Answer: loop formations
loose wires
core exposed
cork screwing
kinks
crushing
bird caging
◉ wire rope grades. Answer: Plow steel
improved plow steel
extra improved plow steel 15% stronger than IPS
XX plow steel 10% stronger than XIPS
◉ Load chart is accurate when. Answer: crane is setup with 1% of
LEVEL
outriggers are extended
load chart is for particular crane
◉ Lifting people. Answer: only lift people with a crane if no other way
is available
rigging must be rated 5x the lift weight