Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 18 - OVERHEAD AND GANTRY CRANES
Section R. 408.11806 - Definitions; S to W

(1) "Safety factor" means the ratio of the breaking strength of a piece of material or object to the actual load or stress when in use.

(2) "Seizing" means to bind the end of a wire rope with a soft annealed iron wire.

(3) "Side pull" means to pull a load with a hoist, chain or cable other than vertically.

(4) "Stop device" means a device to limit travel of a trolley or crane bridge. It is normally attached to a fixed structure and normally does not have energy-absorbing ability.

(5) "Storage gantry crane" means a gantry type crane of long span usually used for bulk storage of materials. The bridge girders are supported on 1 or more legs. It may have 1 or more fixed or hinged cantilever ends.

(6) "Swaged socket" means a fitting into which wire rope is inserted and attached by cold forming.

(7) "Switch" means a device for making, breaking, or for changing the connections in an electric circuit.

(8) "Trolley" means a unit that travels on the bridge rails and carries the hoisting mechanism.

(9) "Trolley travel" means the trolley movement at right angles to the crane runway.

(10) "Truck" means the unit consisting of a frame, wheels, bearing, and axles that supports the bridge girders or trolleys.

(11) "Wall crane" means a crane which has a jib with or without trolley and which is supported from a sidewall or line of columns of a building. It is a traveling type and operates on a runway attached to the sidewall or columns.