OSHA 30 Construction Crane Safety Flashcards
what are the top 4 fatalities related to Cranes
struck by load
electrocution
crushed during assembly
failure of boom
were are the specs for cranes found
OSHA 29 1926.1427
what is not included for the OSHA crane guidelines
power shovels excavators diggers
what should be kept on each crane
crane manual
What are the requirements for an A/D director
a qualified and competent person or two people, one that is competent and one that is qualified
How often does OSHA require inspections to be carried out
once a year
What are the requirements for a crane that has been modified
most be approved by the manufacturer
must be done by an authorized mechanic
must meet or exceed the original strength of the crane
maintain a what distance for powerlines up to 50kV of what
10ft
how can a signal person be qualified
They must be evaluated by signal evaluator from a third party or an employer
were can the OSHA section on hand signals be seen
Appendix A to Subpart CC of Part 1926–Standard Hand Signals.
equipment with foot pedal breaks must have
locks
operational aids
equipment that can assist the user in controls the crane
What are the three category 1 operational aids
boom hoist limiting
luffing jib-limiting
anti two-blocking
were is fall protection specified
CFR 1926 subpart M
what does the rigger do
connects and releases the load from the crane
what is on way you dont need to make sure a crane is leveled
by using a seismograph
rough terrain cranes have what level of capacity
light to medium
truck mounted cranes have what level of capacity
medium to high
can truck mounted cranes be used in muddy conditions
no
How do crawler cranes compare to the other cranes types in terms of capacity and reach
they are the highest in both
were are tower cranes usually used in
high-rise projects
which crane has the abiility to be jacked up
tower cranes
what is never true with rough terrain cranes
they are able to maneuver well with loads
crawler cranes are also known as
conventional cranes
rough terrain cranes should be used with
outriggers
Outriggers should be _____________ extended and the outrigger pads should be ____ the area of the outrigger float
fully extended 3x