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Learn the GB/T 30027-2013 standard for crane steel structure fabrication, inspection, and acceptance criteria, covering welding quality, NDT, and load test requirements.

Learn the general principles of crane walkway and safety protective device requirements under GB/T 24818.1-2009, covering access systems, guardrails, and fall protection

Learn the GB/T 20303.3-2006 requirements for tower crane operator cabs and escape facilities, covering cab dimensions, safety access, and emergency egress for compliant c

Understand the load classification and load combination requirements for jib and boom cranes under GB/T 22437.4-2009, covering working and non-working conditions for stru

Learn the control device arrangement and operation requirements for tower cranes per GB/T 24817.3-2009, covering luffing, slewing, and safety limit switches for crane ope

Learn the welding parameters, quality grades, and acceptance criteria for overhead and gantry crane steel structures under GB/T 30026-2013, covering WPQR, UT/RT inspectio

Learn about GB/T 25122.5-2010, the Chinese standard for electrical equipment on overhead and gantry cranes, covering safety protection, control systems, and power supply

Learn the GB/T 20303.2-2006 standard for mobile crane operator cabs and control cabins, covering design requirements, visibility, access, and safety facilities for crawle

Understand ISO 8686 design principles for tower crane loads and load combinations, covering working-state wind load, rated load, and load spectrum for structural design.

Learn the control device arrangement requirements for mobile cranes under GB/T 24817.2-2009, covering operating direction consistency, lever layout, and safety standards