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  2. Crane Manufacturers Association of America - Wikipedia

    en.wikipedia.org/wiki/Crane_Manufacturers...

    Specification No. 78 Professional Services - This sets the standards for those who inspect, repair, design, and otherwise manage the supply and use of overhead cranes. Specification No. 79 Crane Operators Manual; Overhead Crane Inspection and Maintenance Checklist; CMAA Buyers’ Guide

  3. Catenary maintenance vehicle - Wikipedia

    en.wikipedia.org/wiki/Catenary_Maintenance_Vehicle

    Both a crane and a movable platform can be seen on the vehicle's roof. A catenary maintenance vehicle (also known as a tower wagon or tower car) is a railroad maintenance of way vehicle that is used to maintain and inspect overhead line (also known as catenary) on electrified railroad or metro tracks. [1] [2] Such vehicles are typically self ...

  4. Accredited Crane Operator Certification - Wikipedia

    en.wikipedia.org/wiki/Accredited_Crane_Operator...

    Accredited Crane Operator Certification OSHA regulation 29 CFR 1926 Subpart CC, released August 9, 2010, requires crane operators involved in construction to be certified by an accredited certification provider by November 10, 2014. [ 1] An operator is defined as any person operating the equipment. To be accredited, certification providers must ...

  5. National Commission for the Certification of Crane Operators

    en.wikipedia.org/wiki/National_Commission_for...

    The Commissioners make up ten Exam Management Committees with the responsibility of monitoring written and practical certification examinations for mobile, tower, overhead, and articulating (loader or knuckle-boom) crane operators, digger derrick operators, crane inspectors, lift directors, signal persons, and riggers, and report to the Board ...

  6. List of bridge failures - Wikipedia

    en.wikipedia.org/wiki/List_of_bridge_failures

    Partial failure of bridge deck. Overhead superstructure undamaged. Bridge reopened after complete reconstruction. Existing overhead arch remained, however new bridge deck was designed to be supported by sets of 4 hanger cables, where the existing deck was designed for single hanger cables. Kinzua Bridge: Kinzua Bridge State Park, Pennsylvania

  7. Overhead crane - Wikipedia

    en.wikipedia.org/wiki/Overhead_crane

    An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets. The traveling bridge spans the gap. A hoist, the lifting component of a crane, travels along the bridge.

  8. Crane (machine) - Wikipedia

    en.wikipedia.org/wiki/Crane_(machine)

    An overhead crane being used in typical machine shop. The hoist is operated via a wired pushbutton station to move system and the load in any direction. An overhead crane, also known as a bridge crane, is a type of crane where the hook-and-line mechanism runs along a horizontal beam that itself runs along two widely separated rails. Often it is ...

  9. Failure mode, effects, and criticality analysis - Wikipedia

    en.wikipedia.org/wiki/Failure_Mode,_Effects,_and...

    Failure mode effects and criticality analysis ( FMECA) is an extension of failure mode and effects analysis (FMEA). FMEA is a bottom-up, inductive analytical method which may be performed at either the functional or piece-part level. FMECA extends FMEA by including a criticality analysis, which is used to chart the probability of failure modes ...

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