Mich. Admin. Code R. 408.11803 - Definitions; B to D
Rule 1803.
(1)
"Brake" means a device used for retarding or stopping motion by friction or
power means.
(2) "Bridge" means
that part of a crane consisting of girders, trucks, end ties, footwalks, and
the driving mechanism which carries the trolley or trolleys.
(3) "Bumper" means an energy-absorbing device
for reducing impact when a moving crane or trolley reaches the end of its
permitted travel, or when 2 moving cranes or trolley come in contact.
(4) "Cab" means an operator compartment
located on a crane bridge or trolley.
(5) "Cab operated crane" means a crane
controlled by an operator in a cab located on the bridge or trolley.
(6) "Catwalk" means a walkway with handrail
and toeboards which are attached to the bridge or trolley, or both, for access
purposes.
(7) "Competent person"
means a person who has the necessary experience of the crane and equipment used
in the lifting operation to carry out the function satisfactorily, who is
capable of identifying an existing or potential hazard in surroundings, or
under working conditions, that are hazardous or dangerous to an employee, and
who has the authority and knowledge to take prompt corrective measures to
eliminate the hazards.
(8)
"Collector shoe" means a contacting device for collecting current from runway
or bridge conductors.
(9)
"Conductors, bridge" means the electrical conductors located along the bridge
structure of a crane to provide power to the trolley.
(10) "Conductors, runway" means the
electrical conductors located along a crane runway to provide power to the
crane.
(11) "Controller" means a
device or group of devices that serves to govern, in a predetermined manner,
the power delivered directly to the apparatus to which it is
connected.
(12) "Crane" means a top
running overhead or gantry crane.
(13) "Designated" means selected or assigned
by the employer or the employer's representative as being qualified to perform
specific duties.
(14) "Drag brake"
means a brake that provides retarding force without external control.
Notes
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