1910.179 vs. 1926.1412: Which Crane Inspection Rule Applies to You?

By Jo MartinJul 10, 2026Updated Sep 12, 202610 min read

1910.179 vs 1926.1412 is decided by the work you are doing, not the machine. Two OSHA standards govern crane inspection in the United States, they contain different requirements, and which one applies to you is decided by the work you are doing rather than by the machine you are doing it with. The same crane can fall under different rules on Monday and Thursday.

That surprises people, and it produces the single most common compliance gap we encounter: a facility running a solid general industry program that takes a machine onto a construction project, or a contractor bringing construction habits into a plant. Both arrive with records that are perfectly good for the wrong standard, which is a worse position than having none, because it looks like diligence right up until someone reads the citation.

The dividing line is the work, not the equipment

29 CFR 1926 Subpart CC — including 1926.1412 — applies to power-operated equipment used in construction. 29 CFR 1910.179 applies to overhead and gantry cranes in general industry.

Construction, in OSHA’s usage, means construction, alteration, and repair, including painting and decorating. That definition is broader than most people assume. Replacing a production line is frequently construction. Structural repair to a building is construction. Routine maintenance of existing equipment generally is not. A plant crane setting a new machine base during a plant expansion has crossed into construction work without moving.

The practical test is not where the crane lives. It is what the crane is doing at that moment, and who is directing the work.

1910.179 vs 1926.1412, side by side

The frequency vocabulary is genuinely different

General industry uses frequent and periodic. 1910.179(j)(1)(ii) defines frequent as daily to monthly intervals, and (j)(1)(iii) defines periodic as one to twelve month intervals. Neither is called annual, and neither has a fixed date attached — the standard expects the employer to set the interval based on the equipment’s activity, severity of service, and environment.

Construction uses each shift, monthly, and annual. Those are hard intervals with explicit documentation and retention requirements. The construction framework is more prescriptive. The general industry framework is more judgment-based and consequently easier to get wrong quietly.

The confusion this produces is worth naming: in general industry, an annual inspection is not a regulatory term. It is the interval most facilities choose for their periodic inspection, and choosing twelve months for equipment in heavy service is a decision the employer has to be able to defend. How frequent, periodic, and annual inspections relate is the piece most programs get about right and specifically wrong.

Who signs is not the same question

Subpart CC assigns inspections explicitly. Shift and monthly to a competent person. Annual, post-assembly, and post-repair to a qualified person. Both terms are defined, and the definitions are testable.

1910.179 uses designated person, defined as selected or assigned by the employer as being competent to perform the specific duties. It is deliberately flexible and supplies far less structure. ASME B30.2 fills the gap by requiring a qualified person for periodic inspections, which is why general industry programs that follow B30.2 end up close to the construction requirement anyway.

For operations working under both, the clean approach is to designate to the construction standard everywhere. It satisfies both, removes the vocabulary problem, and eliminates the risk of applying the looser reading to work that turns out to be construction. The three terms and what each controls covers the distinctions in detail.

Mobile cranes in a plant

1910.179 covers overhead and gantry cranes. It does not cover mobile cranes. A rough terrain crane working inside a manufacturing facility on maintenance work sits in a gap that catches people out — 1910.180 covers crawler, locomotive, and truck cranes in general industry, and it is a different standard again with its own inspection scheme.

Most operators handle this by defaulting to Subpart CC practice for anything mobile, which is defensible and simpler than maintaining a third framework. It is also what a mobile crane annual inspection will be performed against by most inspection providers.

Idle equipment is treated differently

Both standards address equipment that has been out of service, and the triggers differ. 1926.1412(g) sets requirements for equipment idle for three months or more, requiring at least the monthly-level inspection before use. 1910.179(j)(4) addresses cranes idle for a period of one month or more but less than six months, requiring a frequent inspection before being placed in service, and cranes idle over six months requiring a full periodic inspection.

The one-month trigger in general industry catches facilities off guard, because a month of downtime is ordinary in a seasonal operation and does not feel like storage. If you run equipment intermittently, what a return-to-service inspection should cover matters more than the calendar interval.

Where contracts override both

Neither standard is the ceiling. Federal contracts routinely impose stricter requirements: EM 385-1-1 sets frequencies, qualifications, and documentation exceeding both OSHA standards, and USACE and NAVFAC work is inspected against that manual rather than against the CFR.

Private owners do the same. Refineries, utilities, and large industrial clients maintain contractor requirements that frequently specify third-party annual inspection regardless of what OSHA permits self-performed. Reading the contract before mobilizing is the only way to know which document you are actually being held to.

State plans add another layer

States operating their own OSHA-approved plans may adopt requirements more stringent than federal OSHA, and several do. California, Washington, Michigan, and others have crane provisions that differ meaningfully from the federal text, including certification and permitting requirements that have no federal equivalent.

Operating across state lines means the applicable requirement changes with the jurisdiction, not with your program. How state plans affect crane inspection is worth checking before mobilizing into an unfamiliar state, particularly for anyone running a fleet regionally.

What this means for a single crane in practice

Consider a 15-ton overhead crane in a fabrication shop. Ordinarily it is general industry equipment: frequent inspections daily to monthly, periodic inspections at an interval the employer sets, records per 1910.179(j)(2)(iii).

The plant then adds a bay. During construction, that same crane is used to set structural steel. For the duration of that work it is construction equipment, and Subpart CC applies — including the shift inspection by a competent person and the annual by a qualified person. Nothing about the crane changed. The work did.

Operations that build their program to the stricter standard never have to make this determination under pressure. Those that build to the looser one make it after somebody asks. The same logic governs how often overhead cranes actually need inspection when duty cycle varies through the year.

Documentation requirements diverge sharply

Construction is explicit: monthly inspections documented with items, results, name, signature, and date, retained three months. Annual inspections documented and retained twelve months.

General industry requires a certification record for frequent inspection items under 1910.179(j)(2)(iii) including the date, the signature of the person performing the inspection, and the serial number or other identifier of the equipment. Periodic inspection records are expected under B30.2 rather than spelled out in the CFR.

The gap in specificity is why general industry inspection files are frequently thinner, and why they hold up less well when read closely. Building them to the construction standard costs nothing extra — see what belongs in a monthly inspection record for the structure that satisfies both.

Four misreadings worth correcting

“We are general industry, so annual is fine.” Twelve months is the outer end of a range the employer chooses. On heavily used equipment it is a decision that has to be defensible, and the standard offers no presumption that annual is correct.

“Our crane never leaves the building, so Subpart CC cannot apply.” The activity governs. Construction work performed with a plant crane is construction work.

“The manufacturer’s manual is the requirement.” The manual is a floor, not a ceiling, and it is frequently referenced by the standards rather than replacing them. Where OSHA, ASME, and the manufacturer differ, the most restrictive applies.

“Our inspector said we are compliant.” Worth asking against which standard. An inspection performed to B30.2 on equipment that spends part of its year in construction service has not addressed the shift and annual requirements of 1412 — which is why the scope question belongs in the conversation before booking, not in the report afterward.

What an outside inspection should tell you

One of the more useful outputs of an independent inspection is a clear statement of which standard the work was performed against and why. A report that cites its authority lets you check the match against your actual operations. One that says “inspected per OSHA” does not.

When scoping an inspection, say what the equipment does across the year rather than what it is. A crane that spends ten months in a plant and two months on capital projects needs the more demanding treatment for all twelve, because the alternative is a documentation gap for the two. Providers who ask that question up front are the ones worth using — a point covered in choosing a crane inspection company, alongside what else to check before hiring.

Common questions

Which OSHA standard applies to crane inspections?
1926.1412 for equipment used in construction work; 1910.179 for overhead and gantry cranes in general industry; 1910.180 for crawler, locomotive, and truck cranes in general industry. The activity determines which applies, not the equipment’s usual location.

Is an annual crane inspection required in general industry?
Not by that name. 1910.179 requires periodic inspections at one to twelve month intervals, and most facilities choose twelve. That choice must be justifiable given service severity — twelve months on heavily used equipment is a decision the employer owns.

Does a plant crane need a qualified person for its periodic inspection?
1910.179 says designated person. ASME B30.2 requires a qualified person, and most owner and insurer requirements follow B30.2. Using a qualified person satisfies both readings.

What is the difference between frequent and periodic inspections?
Frequent means daily to monthly and covers operational items. Periodic means one to twelve months and covers structural and deeper mechanical items. The terms are from 1910.179 and do not appear in Subpart CC.

If our crane does construction work occasionally, which standard do we follow?
Subpart CC applies during that work. The practical answer is to build the program to Subpart CC continuously rather than switching, since switching requires correctly identifying the moment the work changed character.

Does 1910.179 apply to mobile cranes used inside a plant?
No. 1910.179 covers overhead and gantry cranes. Crawler, locomotive, and truck cranes in general industry fall under 1910.180, which has its own inspection scheme. Most operators default to Subpart CC practice for mobile equipment rather than maintaining a third framework, which is defensible and considerably simpler.

Which standard applies to a rented crane on our site?
The one matching the work being performed, and the obligation sits with the employer using the machine regardless of who owns it. A rental agreement can assign the inspection work. It cannot assign the duty or change which standard governs.

Do these standards cover rigging?
Separately. 1926.251 covers rigging in construction and 1910.184 in general industry, with ASME B30.9 behind both. Rigging inspection follows its own criteria and intervals, which is a distinction worth keeping clear in the program.

Build to the stricter one

The recurring lesson is that the cost of running the more demanding program is small and the cost of discovering you were on the wrong one is not. Subpart CC’s structure — named designations, hard intervals, explicit documentation — satisfies general industry expectations comfortably, and it removes an entire category of argument about which rule was in force.

If you operate across both worlds and are not certain your program covers the stricter reading, we can map your equipment against both standards and tell you where the gaps actually are rather than where they might be.

Reviewed by Patrick Salazar, NCCCO-Certified Crane Inspector — every article on this site is checked against current OSHA and ASME B30 requirements before it publishes.