OSHA Compliance for Cranes and Derricks

Herbert Post
crane and derricks in a port

Key Takeaways

  • OSHA 1926 Subpart CC outlines strict regulations for cranes and derricks use in construction, covering everything from operator certification to ground conditions and lift planning.

  • Cranes are mobile and versatile lifting machines, while derricks are more stationary and often used in fixed, high-precision lifting scenarios.

  • Only certified operators and qualified signal persons are allowed to control or direct crane operations, with documented evaluations required to ensure ongoing competency.

  • Critical safety procedures like pre-lift meetings, lockout/tagout, ground stability checks, and fall protection must be followed to prevent accidents and fatalities.

  • Environmental factors such as wind, visibility, lightning, and temperature extremes are major safety considerations and can halt crane operations if risks exceed safe thresholds.

 

What Is a Crane?

I’ve often heard that when people think of lifting equipment, cranes are the first thing that comes to mind—and for good reason. A crane is designed to lift, lower, and move materials horizontally, and it’s built for flexibility. Whether it’s a tower crane on a high-rise project, a crawler crane on uneven ground, or a rough terrain crane navigating a jobsite, the design always centers around versatility.

Cranes can be either mobile or stationary, and I’ve been told that their adaptability is one of their biggest advantages. They’re commonly used in construction, shipping yards, and large-scale industrial projects where a dynamic range of motion is needed. With the right attachments and configuration, one crane can often tackle multiple types of lifts across different phases of a project.

 

What Is a Derrick?

Derricks come up a lot in conversations about specialized lifting setups. From what I’ve learned, a derrick is generally more static than a crane. It’s typically fixed in place and made up of a mast and boom, supported by guy lines or braces. You’ll usually find them on drilling sites, barges, or even rooftops, where there’s a need for a permanent or semi-permanent lifting solution.

Unlike cranes, derricks aren’t built to move around. But I’ve heard from folks working in heavy lifting that derricks are incredibly effective when the setup is right. They handle specific loads with precision and are particularly useful when space is limited or when the lifting structure needs to remain in place for an extended period.

The image below shows the difference between how a crane and a derrick looks like in the field:

A crane and a derrick

Overview of OSHA 1926 Subpart CC Standards 

OSHA’s 1926 Subpart CC standards were created specifically to regulate the use of cranes and derricks in construction. These standards went into effect in 2010 to address a long-standing gap in safety practices across the industry. Before their implementation, guidance was either outdated or too general, and that left a lot of room for accidents, miscommunication, and inconsistencies in equipment use.

1926 Subpart CC is comprehensive. It covers not just the machinery itself but also operator certification and qualification, signal person requirements, inspection routines, ground conditions, assembly/disassembly procedures, and even how close a crane can operate near power lines. It was designed to bring clarity and consistency to how cranes and derricks are handled on construction sites, both to improve safety and operational efficiency.

What Does Subpart CC Actually Cover?

Subpart CC is all about how cranes and derricks are used on construction sites, not just the equipment itself. It applies whenever a crane is actively involved in building, altering, or demolishing a structure.

Here’s what’s covered under this subpart:

Area of Coverage

What It Means in Practice

Operator Qualification & Certification

Operators must be certified by an accredited body. No more “learn as you go” approaches.

Signal Person Requirements

A qualified signal person is required when operators can't clearly see the load or path.

Assembly/Disassembly Procedures

Must follow manufacturer procedures or qualified-engineer instructions to prevent tip-overs.

Power Line Safety

Minimum clearance distances (typically 10 ft for lines up to 50 kV; more for higher voltages) must be maintained at all times.

Ground Conditions

The controlling entity has to ensure firm, drained, and graded ground for crane setup.

Crane Inspections

Daily, monthly, and annual inspections are mandated, with documentation.

Fall Protection

Required above 6 feet during crane assembly/disassembly (§1926.1423(d)) and maintenance (§1926.1423(e)) when fall hazards exist.

I’ve been told by safety trainers that a common source of confusion is when Subpart CC actually applies. It's not always about owning or operating a crane; it’s about the crane’s purpose on-site.

If the crane is part of construction activity, it’s covered. That includes:

  • Structural steel erection
  • Concrete panel placement
  • Bridge work
  • Demolition involving lifting/removing components
  • Installing HVAC units or roofing materials
  • Personnel hoisting (allowed under very strict protocols)

Even floating cranes and derricks used on barges or marine platforms fall under this standard when used in construction.

However, not all crane use counts as construction. A few common exclusions:

Not Covered By Subpart CC

Why

Material Delivery Only

If the crane is simply placing materials on the ground (not into the structure).

Maintenance or Repair Work

These fall under general industry standards (1910), not construction.

Agricultural or Manufacturing Use

OSHA considers these separate industries with their own applicable crane safety rules.

Excavators or Backhoes

Unless they’re configured with a crane-like attachment and used to hoist and place loads.


Key Definitions

Understanding the core definitions in Subpart CC is important. OSHA is pretty specific about the language used, and small distinctions in wording can affect how the rules apply in the field.

Term

Description

Cranes and Derricks

In this context, cranes are defined as equipment used to hoist and lower loads and move them horizontally. This includes mobile cranes, tower cranes, articulating boom cranes (when used in construction), and derricks with fixed masts and pivoting booms. What matters is how the equipment is set up and what it’s being used for on-site.

Construction Work

OSHA defines this broadly to include building, altering, repairing, painting, decorating, demolishing, and related activities. Even tasks like erecting scaffolding or installing large mechanical systems can fall under this definition when cranes or derricks are involved (see 29 CFR 1926.32).


Qualified Person

This is someone who has proven, through education, training, or experience, that they have the knowledge to identify and resolve problems related to crane operations. The term appears frequently in the standards, especially around rigging, assembly/disassembly, and inspections.


Competent Person

Different from a qualified person. This refers to someone who not only understands hazards but also has the authority to correct them. OSHA puts a lot of responsibility on competent persons, particularly when it comes to site conditions, inspections, and determining whether crane usage is safe in real-time.


Role of Qualified Personnel

OSHA 1926 Subpart CC assigns specific tasks to qualified personnel due to the technical complexity and risk involved in crane operations. Here's how their role shows up in the field:

  • Directing Assembly and Disassembly: Required to oversee crane setup and teardown, ensuring the process follows manufacturer procedures or approved alternatives. They’re responsible for identifying errors before they become safety hazards.

  • Verifying Non-Standard Configurations: Any deviation from the normal crane setup, like unusual boom lengths or working angles, needs to be reviewed and approved by a qualified person.

  • Supervising Rigging Plans: Especially important during complex lifts. A qualified person evaluates or designs the rigging setup to confirm it's suitable for the load and site conditions.

  • Participating in Operator Evaluations: When employers assess operators on specific crane types or site conditions, a qualified person often assists in determining their readiness.

  • Supporting Employer Certification Programs: If an employer runs an internal operator certification process, a qualified person may help develop training materials or assess the program to meet OSHA’s criteria.

  • Overseeing Certain Inspections: Post-modification or post-incident inspections may require a qualified person to confirm that the crane is still structurally sound and safe to operate.

  • Consulting on Complex Safety Decisions: When the job involves gray areas, unusual lifts, difficult site conditions, or custom configurations, a qualified person is the one who steps in to assess risk and provide direction.

This role is more technical than hands-on. While they may not be operating the crane or working the rigging directly, their input carries weight because it's rooted in deeper engineering knowledge or extensive field experience.


Operator Qualifications and Responsibilities

Under OSHA 1926 Subpart CC, crane operators aren’t just expected to know how to run the equipment—they’re required to meet strict qualification standards before even stepping into the cab. And from everything I’ve heard from safety pros on site, that’s not just red tape, it’s absolutely necessary.

According to the U.S. Bureau of Labor Statistics, an average of 44 people die in crane-related accidents in the U.S. every year. These incidents happen just as often on construction sites (24%) as they do in factories or plants (24%), and nearly 70% of crane-related fatalities occur in the specialty trade, heavy and civil engineering, and construction industries. With those numbers, it’s easy to see why OSHA’s rules aren’t just recommendations—they’re essential for saving lives.

OSHA breaks down operator requirements into three main areas: certification or qualification from an accredited organization, employer-led evaluations to ensure ongoing competence, and clearly defined responsibilities while operating. 

Certification and Qualification

Every crane operator working on a construction site must be certified or qualified through an accredited program. This can be done in one of three ways:

  1. Accredited Testing Organization: Operators can be certified through an OSHA-recognized third-party testing organization. These certifications typically include both a written exam and a practical evaluation.

  2. Employer-Audited Program: If the employer uses their own training program, it must be audited by an accredited third party to be valid. The program must also meet national testing criteria.

  3. State or Local License: In areas where a state or local license is required and the licensing process meets OSHA’s minimum requirements, that license can serve as proof of qualification.

It’s not enough to just hold the certification. Operators also need to be evaluated by their employer to confirm they can operate the specific type and capacity of crane that will be used on the job site. This part isn’t optional; the evaluation must be documented and kept on file.

Employer Responsibility for Evaluations

Even if someone is already certified, it’s on the employer to conduct an on-the-job evaluation. The evaluation verifies that the operator can handle the particular crane model and the environment it’s being used in. For example, someone certified to run a rough-terrain crane doesn’t automatically qualify to operate a tower crane in tight, urban environments.

The evaluation process has to be documented in writing, and that record must be available on-site. It stays valid unless the operator moves to a different employer or there’s a change in crane type or operating conditions.

Operator Responsibilities on Site

Once behind the controls, the operator is expected to have full knowledge of the crane’s limitations, the load chart, and environmental conditions that might affect performance, like wind speeds, ground stability, and swing radius. If a lift looks unsafe or exceeds limits, the operator has the authority to refuse it—regardless of pressure from supervisors or timelines.

Operators also have to stay in clear communication with the signal person (if one is used), understand proper hand signals, and maintain awareness of power lines, blind spots, and obstacles. There’s no “figure it out as you go” in this role. Mistakes can cost lives and wreck entire projects.

OSHA emphasizes that training and paperwork are only part of the equation. Actual skill, judgment, and accountability are expected every time the crane moves.

Here are some common operator pitfalls:

Common operator pitfalls

Crane and Derrick Safety Measures

When people think of crane safety, what usually comes to mind is the lift itself—massive loads swinging overhead. But from what I know, the most important safety steps often happen long before that first lift. OSHA’s 1926 Subpart CC provides the regulatory framework for cranes and derricks in construction, and it includes detailed requirements around setup, assembly, and operation. 

  • Site preparation and ground conditions: OSHA requires that cranes and derricks be assembled and operated only on ground that is firm, properly drained, and graded to support the equipment and any necessary supporting materials (like mats or cribbing). Soft or uneven ground is where many problems start, issues that could be avoided with better preparation

  • Identifying lift path hazards: OSHA requires employers to identify and address site-specific hazards, particularly when operating near energized power lines. Keeping safe distances, de-energizing lines when possible, and clearly planning the area of operation are all part of this requirement.

  • Pre-lift meetings: These are required under OSHA when performing multiple-crane or derrick lifts. Everyone involved—operator, signal person, riggers, and site supervisor—must meet beforehand to go over the load, lifting sequence, and responsibilities. Even when not required, I’ve been told these meetings are often what keep complex lifts running safely and smoothly.

  • Access routes and exclusion zones: OSHA doesn’t specifically require signage or barricades for swing zones, but safe site management often involves blocking off areas where the crane or load may move. I’ve seen sites use clear physical barriers and signs to keep people from walking into danger zones, and those small steps can prevent serious accidents.

  • Weather and visibility: OSHA requires that crane operations stop when wind, ice, or poor visibility affect equipment stability or interfere with safe control. Manufacturer limits on wind speeds must be followed during all phases, including lifts and assembly. In low-visibility or storm conditions, operations are paused— simple as that.

  • Assembly and disassembly: According to OSHA, assembly and disassembly must be directed by a qualified person who follows the manufacturer’s procedures or a registered engineer’s alternative plan. Improvising isn’t allowed. Every crew member involved needs to be trained and competent in the tasks they’re doing. Hazards like unstable ground, missed pins, or improper rigging need to be spotted before they turn into something worse.

  • Fall zones during assembly: OSHA requires keeping clear of fall zones, areas where parts of the crane could drop or shift unexpectedly, during assembly and disassembly. Workers not directly involved in those steps must stay out of those areas. These zones must be clearly marked and communicated on-site.

  • Fall protection during boom assembly: For lattice boom cranes, fall protection is required during assembly and disassembly if workers are on the boom. OSHA mandates personal fall arrest systems and compliant anchorage. I’ve heard it said that the tie-off point matters just as much as wearing the harness itself, and that’s absolutely true.

  • Wind limits during setup: When wind speeds exceed manufacturer-specified limits, OSHA requires crane operations to stop, including during boom or tower assembly. That applies to both cranes and derricks, depending on the configuration. Site supervisors I’ve talked to often monitor this closely during setup, not just during lifts.


Maintenance and Inspections

Cranes and derricks are only as safe as the systems in place to keep them running properly. Inspections and maintenance aren’t optional—they're an essential part of the job. And when they’re skipped or rushed, that’s when things go sideways.

Routine Maintenance and Inspections

From what I’ve heard on multiple jobsites, experienced operators always say the same thing: “Don’t wait until something breaks.” Cranes and derricks require two types of inspections to stay safe and operational:

Inspection Type

Frequency

Focus Areas

Frequent

Daily to monthly

Hooks, wire ropes, brakes, fluid levels, safety systems, and other high-wear or sudden-failure parts

Periodic

Monthly to annually

Structural components, welds, gears, sheaves—components that wear slowly and hide damage over time

Both types of inspections must be performed by qualified personnel. Not just someone who’s read the manual, but someone who knows what a cracked weld actually looks like or can spot the subtle signs of a stretched-out cable.

Lockout/Tagout Can’t Be Overlooked

One of the most dangerous gaps in crane maintenance isn’t a worn-out cable—it’s failing to properly de-energize equipment before working on it. OSHA’s lockout/tagout (LOTO) protocols exist specifically to stop someone from getting injured by a machine being powered back on unexpectedly.

I read about a case where an ironworker was troubleshooting an overhead crane’s drive motors while working from a scissor lift. The crane had not been de-energized during the work, whether from miscommunication or a failure in LOTO protocol, and it struck the lift. The impact caused the lift to tip over, and the ironworker fell approximately 17 feet to the concrete below. The fall that followed was fatal. The crane itself wasn’t the problem; the breakdown was due to the improper lockout/tagout procedure.

It’s situations like that that highlight how critical LOTO steps really are:

  1. Prepare for Shutdown: Identify all energy sources connected to the crane—electrical, hydraulic, pneumatic, mechanical, and understand how each one is controlled.

  2. Notify Affected Employees: Let everyone in the area know that lockout/tagout procedures are beginning. This includes operators, signal persons, and any nearby crews.

  3. Shut Down the Equipment: Turn off the crane using standard operational procedures. Bring everything to a complete stop.

  4. Isolate Energy Sources: Disconnect the crane from all energy sources—including power switches, valves, breakers, or disconnects.

  5. Apply Lockout/Tagout Devices: Attach appropriate locks and tags to each energy isolation point. Tags should clearly state who applied them and why.

  6. Release Stored Energy: Bleed hydraulic lines, release spring tension, and safely discharge any residual energy in the system.

  7. Verify Equipment Isolation: Before starting any work, double-check that the equipment is fully de-energized. Use testing tools if needed. Never assume.

  8. Perform Maintenance: Only after verifying safety should anyone begin work. Once finished, remove all tools and clear the area before removing locks and restoring power.

Skipping any of these steps, or assuming someone else handled them, is exactly how incidents like that happen.

 

Signal Person and Communication

Effective communication is necessary to ensure the safety and efficiency of crane operations, and one of the key players in this process is the signal person. Signal persons are responsible for maintaining clear, reliable communication between the crane operator and the rest of the crew during a lift.

Under OSHA 1926 Subpart CC, you can’t just grab the nearest worker and have them wave their arms around during a lift. This role has strict qualifications for a reason. If the crane operator can’t see the load, the path it’s taking, or if there’s interference like noise or adverse weather, a signal person is required—no exceptions. The same goes when you're working near hazards like power lines or tight structures where constant coordination is the only thing preventing an accident.

A signal person must be qualified either through a third-party evaluator or through a documented in-house qualification process. That qualification isn’t just about knowing a few hand gestures. It covers two critical things:

  • Understanding of standard hand signals and communication methods

  • Ability to spot hazards that could interfere with the lift

Standard Hand Signals

According to OSHA 1926.1419 must follow a set of standard hand signals that are basically the common language across all job sites. These signals aren’t up for debate. Everyone involved needs to be on the same page, or miscommunication can quickly lead to serious safety incidents.

Here are some of the basics:

Signal

How It’s Done

Meaning

Hoist

Forearm vertical, finger pointing up, circular motion

Lift the load

Lower

Arm down, finger pointing down, circular motion

Lower the load

Stop

One arm out, palm down, held still

All movement stops

Emergency Stop

Both arms out, palms down, held still

Immediate stop

Swing

Arm extended, point in direction of boom swing

Swing boom that way

Boom Up

Arm out, thumb pointing up

Raise the boom

Boom Down

Arm out, thumb pointing down

Lower the boom

If the signal person is unclear or nervous or if they mix these up, it can throw off the operator and endanger everyone on site. That’s why clarity and confidence are part of being qualified.

When you’re in an environment where hand signals aren’t practical—maybe it’s too noisy, visibility is poor, or you’re dealing with awkward angles—you switch to radios. But again, it’s not just “grab a walkie and hope for the best.” You’ve got to rehearse the phrases, confirm commands, and make sure the operator and signal person are completely synced up before a lift.


Environmental Factors Affecting Crane Operations

Environmental conditions can make or break the safety of a lift. These factors might seem secondary at first glance, but anyone familiar with crane operations knows they can introduce serious risks. OSHA 1926 standards don’t treat these as afterthoughts—and for good reason.

Wind

Wind is one of the most unpredictable hazards on a jobsite. With long boom configurations or tower cranes, even moderate gusts can disrupt load control and stability. That’s why crane manufacturers define specific wind limits based on structural design. Many sites rely on boom-tip wind meters or handheld anemometers to stay on top of shifting wind conditions. Once those limits are hit, the lift gets paused.

Ground Conditions

The ground beneath the crane matters just as much as the crane itself. Soft, uneven, or recently saturated soil can compromise the entire setup, especially during heavy or long-radius lifts. Outriggers and crawler tracks help stabilize operations, but they can’t compensate for a weak or shifting base.

Under OSHA construction standards, the controlling entity is responsible for providing ground that can support the load, often using steel plates, mats, or cribbing. But even when the ground checks out during setup, weather changes—like rain or freeze-thaw cycles—can shift conditions quickly.

Visibility

Poor visibility is a serious risk factor that tends to get underestimated. Fog, heavy precipitation, or airborne dust can reduce the line of sight between the operator and signal person or hide nearby hazards altogether.

When visual signals aren’t reliable, communication may switch to radios—but that only works if both parties are in sync. If visibility drops below a workable level, lifting should stop.

Lightning and Storm Activity

Cranes are massive steel structures, and in storm conditions, they become lightning hazards. Industry practice generally treats lightning within a 10-mile radius as the threshold for halting operations, even if OSHA 1926 doesn’t assign an exact radius. Lifting during active storm activity introduces too many unknowns, especially during boom assembly or when a load is already suspended.

Temperature Extremes

Extreme heat or cold can throw a wrench into crane operation. In low temperatures, hydraulics can slow down, and materials may become brittle. On the other end, high heat increases the chance of overheating for both machinery and personnel.

Some manufacturers specify temperature limits for safe operation, and ignoring those limits opens the door to mechanical failure and safety issues. Conditions like these aren't always constant, so it takes ongoing environmental awareness throughout the day.


FAQs

Why do they call it a crane?

The term "crane" comes from the bird, which has a long neck and a graceful lifting motion that early lifting machines resembled. The visual similarity inspired the name. Over time, it just stuck in the construction world.

What OSHA standard deals with cranes and derricks?

Cranes and derricks in construction are regulated under OSHA’s 29 CFR 1926 Subpart CC. This standard covers everything from operator certification to equipment safety. It’s essential for ensuring safe lifting operations on job sites.

Why are they called derricks?

The word "derrick" comes from Thomas Derrick, an English executioner who invented a type of gallows. Eventually, the name was applied to tall lifting structures with a similar framework. Today, it refers to specific crane-like rigs used in construction, drilling, and other industries.

What is the purpose of using cranes?

Cranes are used to lift and move heavy materials that would be impossible or unsafe to handle manually. They bring efficiency and precision to construction, shipping, and industrial projects. Without them, modern infrastructure wouldn’t be possible.

Is derrick an oil rig?

A derrick isn’t an oil rig itself, but it’s a key structure used on oil rigs to support drilling equipment. In OSHA terms, a derrick refers to a specific type of lifting device used to raise and lower loads.

 


The material provided in this article is for general information purposes only. It is not intended to replace professional/legal advice or substitute government regulations, industry standards, or other requirements specific to any business/activity. While we made sure to provide accurate and reliable information, we make no representation that the details or sources are up-to-date, complete or remain available. Readers should consult with an industrial safety expert, qualified professional, or attorney for any specific concerns and questions.

Herbert Post

Born in the Philadelphia area and raised in Houston by a family who was predominately employed in heavy manufacturing. Herb took a liking to factory processes and later safety compliance where he has spent the last 13 years facilitating best practices and teaching updated regulations. He is married with two children and a St Bernard named Jose. Herb is a self-described compliance geek. When he isn’t studying safety reports and regulatory interpretations he enjoys racquetball and watching his favorite football team, the Dallas Cowboys.

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