ASME B30 Crane Inspection Standards Guide

Short answer: ASME B30 is the U.S. safety standard series for cranes, hoists, rigging and below-the-hook devices — about 30 volumes, each covering one equipment type, such as B30.2 for overhead and gantry cranes, B30.5 for mobile cranes and B30.9 for slings. OSHA’s crane rules lean on it, and 3P Safety’s NCCCO-certified inspectors inspect to the volume that matches your equipment.

ASME B30 is the family of consensus standards that spells out how cranes, hoists, and rigging get inspected. OSHA tells you a crane must be inspected; ASME B30 tells you what to look at, how to judge it, and when a part comes out of service. The two work together — OSHA is the law, B30 is the detail. This guide explains how the B30 family is built, the volumes that matter, the inspection categories, and the removal criteria that decide a part’s fate.

We are 3P Safety Inspections, a third-party crane inspection company working all 50 states. Our inspectors hold NCCCO cards. We inspect to OSHA and the ASME B30 codes, and we do not sell or rent cranes — so our reports just give you the facts.

What ASME B30 Is and How It Works With OSHA

ASME B30, the Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings, is written by a committee of industry experts and updated on a regular cycle.

OSHA references B30 throughout Subpart CC and 1910.179, and even where it is not adopted word-for-word, B30 is treated as the recognized standard of care. When our report flags a part, it names both — the OSHA rule and the B30 volume — so there is no guesswork about why a finding matters.

The Major B30 Volumes

Each volume covers a type of equipment. These are the ones we work with most:

• B30.2 — overhead and gantry cranes (top- and under-running)
• B30.3 — tower cranes
• B30.5 — mobile and locomotive cranes
• B30.9 — slings
• B30.10 — hooks
• B30.11 — monorails and underhung cranes
• B30.16 — overhead hoists (underhung)
• B30.17 — overhead and gantry cranes (single girder, underhung hoist)
• B30.20 — below-the-hook lifting devices
• B30.26 — rigging hardware (shackles, links, rings, turnbuckles)
• B30.30 — wire rope

The Three ASME Inspection Categories

B30 sorts inspection into three levels, by who does it and how deep it goes. Every crane runs all three.

Initial Inspection

Before a new, reinstalled, altered, modified, or repaired crane is first used, a qualified person inspects it to confirm it meets the standard.

Frequent Inspection

Daily to monthly, by a competent or qualified person, focused on the high-wear items — controls, brakes, rope, hooks, and safety devices. Service class sets the exact interval.

Periodic Inspection

Every 1 to 12 months, by a qualified person, a deeper documented look at the structure, machinery, and load path. Heavy service and harsh environments shorten the interval — on high-duty-cycle cranes that lands as a quarterly or semi-annual inspection rather than a single annual.

How B30 Sets Removal-From-Service Criteria

The most useful thing B30 gives an inspector is a clear line for when a part is done. It is not opinion — it is a published criterion.

• Wire rope — broken-wire counts, diameter loss, distortion (B30.30)
• Hooks — throat opening past 5%, twist past 10 degrees, wear past 10% (B30.10)
• Slings — broken wires, cuts, burns, stretch, missing tags (B30.9)
• Rigging hardware — bending, wear, the wrong pin, no rating (B30.26)
• Structure — cracks, permanent deformation, corrosion

Why ASME B30 Matters to Your Compliance

An inspection that names the B30 volume behind each finding is worth more than one that just says “worn.” It tells your team, your auditor, and your insurer exactly which recognized standard the part failed. It also settles disputes: when a criterion is a published number, there is nothing to argue about. Our reports tie every finding to its B30 volume and the backing OSHA rule.

Keeping Up With Revisions

ASME revises the B30 volumes on a rolling schedule, and the changes are real — new removal criteria, new device categories, tightened rope rules. A current inspector works to the current edition. We track the revisions so your reports reflect the standard as it reads today, not as it read a decade ago.

Which ASME B30 Volume Covers Your Gear

The Standards Behind These Checks

We tie each finding to the rule it checks against:

• OSHA 1926.1412 — cranes on construction sites
• OSHA 1910.179 and 1910.180 — cranes in plants
• ASME B30.5, B30.3, and B30.2 — mobile, tower, and overhead cranes
• ASME B30.9 through B30.26 — slings and rigging hardware
• ANSI A92 — aerial work platforms
• EM 385-1-1 — federal and military job sites

What You Get in Your Report

Each inspection ends with a record you can use:

• A clear PDF report with photos
• Each finding tied to a photo and a rule
• Severity ratings you can act on
• A spreadsheet you can load into your CMMS
• A signed record for your files

Why Owners Pick 3P Safety Inspections

We answer to the standard, not a sales team. We keep our dates and keep the write-up plain. We price the job up front, with no surprise fees.

Frequently Asked Questions

Authoritative References