ASME B30.5-2021

Current Revision
Mobile and Locomotive Cranes

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Mobile and Locomotive Cranes

PUBLISH DATE 2021
PAGES 74

Purpose of ASME B30.5-2021

As part of the ASME B30 series, the main purpose of B30.5 is to prevent serious injury and property damage by establishing robust safety provisions for mobile lifting devices. It sets forth uniform criteria that apply to the design, construction, installation, inspection, testing, maintenance, and operation of mobile and locomotive cranes.

The standard ensures safety by:

  • Providing technical specifications for equipment components like ropes, hooks, load blocks, and braking systems.
  • Defining the qualifications and duties of all key personnel involved in lifting operations, including operators, riggers, and signalpersons.
  • Serving as a legal and regulatory foundation for federal (OSHA) and state authorities, ensuring a consistent baseline for safety compliance in the lifting industry.

What is it Used For?

ASME B30.5-2021 is one of the most widely referenced standards in the construction and heavy industrial fields due to the common use of mobile cranes. It applies to devices powered by internal combustion engines or electric motors, including:

  • Crawler Cranes
  • Locomotive Cranes
  • Wheel-Mounted Cranes (truck-mounted and rough terrain)

Key applications of the standard include:

  • Personnel Qualification: It establishes the rigorous requirements for a qualified rigger to be present on site for mobile crane lifts over 2,000 lbs, detailing their written and practical testing requirements.
  • Operation Procedures: It outlines safe operating practices, including critical lift planning, safety procedures when operating near electric power lines, and protocols for using hand and voice signals.
  • Maintenance and Inspection: It specifies the detailed checklists and time intervals (frequent, periodic, and annual) for inspecting all structural and operational parts of the crane to identify and correct wear or damage before a failure occurs.

The B30.5-2021 code is essential for anyone responsible for the ownership, use, or safety compliance of large mobile cranes on a job site.

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