Most rigging equipment on a construction site follows a familiar rhythm: inspect it before use, inspect it more thoroughly on a periodic schedule, and keep records. A crane-suspended man basket follows a stricter one. Under OSHA 1926.1431(j), the platform and its rigging have to be physically proof tested, not just inspected, at every jobsite before anyone is hoisted, and again after any repair or modification. That’s a meaningfully different standard than what applies to most of the rigging gear working alongside it, and the reason for the difference is worth understanding.
What’s covered
- How OSHA treats most rigging equipment
- What 1926.1431(j) requires instead
- Why personnel-carrying equipment gets a different standard
- What this means for planning a lift
- See what this looks like in practice
- FAQs
How OSHA treats most rigging equipment
For most rigging gear, OSHA’s requirements are built around inspection, not repeated load testing. Under 29 CFR 1910.184(d), the general industry standard for slings, every sling and its fastenings and attachments has to be inspected for damage or defects each day before use by a competent person, with additional inspections during use if service conditions call for it.
The construction-specific rigging standard follows the same pattern. Under 29 CFR 1926.251(a)(1), rigging equipment for material handling has to be inspected prior to use on each shift, and defective equipment has to be removed from service immediately. For alloy steel chain slings specifically, 1926.251 goes further and requires a thorough periodic inspection at intervals no greater than once every 12 months, with a record kept of the most recent inspection date.
Neither of these standards requires the equipment to be physically load tested on a recurring basis. They require it to be looked at, by a qualified person, on a defined schedule. That’s an important distinction, and it’s exactly where personnel hoisting equipment departs from the pattern.
What 1926.1431(j) requires instead
For a crane-suspended man basket, inspection alone isn’t enough. Under 1926.1431(j)(1), the platform and its rigging have to be proof tested to 125% of the platform’s rated capacity at each jobsite, before hoisting employees, and again after any repair or modification. This isn’t a visual check. It’s an actual physical load test: the platform is loaded to that 125% figure, lowered by controlled load lowering, braked, and held suspended for at least five minutes under 1926.1431(j)(2). A competent person then has to inspect the platform and rigging afterward to confirm the test was passed, and personnel hoisting can’t begin until that determination is made, per 1926.1431(j)(3) and (j)(4).
The “at each jobsite” language matters. This isn’t an annual event tied to a calendar. It’s tied to the platform showing up somewhere new, which for equipment that moves between projects, as most man baskets do, can mean considerably more often than once a year.
Why personnel-carrying equipment gets a different standard
The difference in rigor tracks the difference in consequence. If a sling or a piece of below-the-hook hardware fails, the load it was carrying gets damaged or dropped. That’s serious, and it’s exactly why OSHA requires the inspection regime described above. But if a personnel platform fails, the people inside it are the load. A visual inspection can catch a lot, a frayed wire, a cracked weld, a missing pin, but it can’t fully verify that a platform and its rigging will actually hold 125% of rated capacity the way a physical proof test can.
This is also why the requirement is layered rather than standing alone. 1926.1431(h) separately requires an unoccupied trial lift before each shift involving personnel hoisting, run to every location the platform will be positioned at. The proof test confirms the platform can hold the load. The trial lift confirms the specific lift, at this specific site, on this specific day, is clear to proceed. Together, they’re a meaningfully more rigorous verification process than the periodic inspection cycle that governs most rigging equipment.
What this means for planning a lift
In practice, this means a proof test isn’t something to schedule once a year and forget about. It’s something that has to happen every time a platform arrives at a new site, which means the logistics of it, having the right test weight on hand, the time built into the schedule, and a competent person available to sign off, need to be part of planning the lift itself, not an afterthought once the crew is already on site.
This is the specific requirement our detachable Test Weight System is built around. Rather than sourcing and rigging a separate test load at each new jobsite, the system ships with the platform, so the proof test called for in 1926.1431(j) is something the crew can run directly rather than something that has to be arranged separately every time the platform moves.
See what this looks like in practice
It’s one thing to read the requirement, and another to see it carried out. Our training video walks through a proof test being performed on a crane-suspended platform, from rigging the test weight through the required five-minute hold, so you can see exactly what the process looks like on-site rather than just what the regulation says about it.
On the documentation side, our inspection report sample shows what a completed report actually records: the competent person’s sign-off called for in 1926.1431(j)(3) and (j)(4), along with the platform-specific details that tie the test back to a specific unit and jobsite. It’s a useful reference for what your own paperwork should look like after a test, not just what the regulation requires it to contain.
Both, along with the code excerpts and use and safety handbooks for each platform type, are available on our online resources page.
FAQs
Does OSHA require man baskets to be proof tested more often than other rigging equipment? Yes. Most rigging gear, like slings, is governed by inspection requirements: daily inspection before use under 1910.184(d), and periodic inspection at least every 12 months for alloy chain slings under 1926.251. A crane-suspended man basket instead requires an actual proof load test at each jobsite before hoisting employees, under 1926.1431(j).
What’s the difference between an inspection and a proof test? An inspection is a visual and physical check, typically by a competent person, for damage, wear, or defects. A proof test is a physical load test, loading the equipment to a specified percentage of rated capacity to directly verify it can hold that load.
How much weight is used in a man basket proof test? 125% of the platform’s rated capacity, per 1926.1431(j)(1), held suspended for at least five minutes per 1926.1431(j)(2).
Does the proof test replace the trial lift requirement? No. They’re separate, complementary requirements. The proof test (1926.1431(j)) confirms the platform and rigging can hold the required load. The trial lift (1926.1431(h)) confirms the specific lift at the specific site is clear to proceed, and can happen at the same time as the proof test.
Does a man basket need to be proof tested every time it moves to a new job? Yes, per the “at each jobsite” language in 1926.1431(j)(1), along with after any repair or modification.
Built for a proof test at every jobsite, not just once a year
Every Lifting Technologies crane-suspended platform ships with a detachable Test Weight System, so the proof test required under 1926.1431(j) is something your crew can run at each new site without sourcing a separate test load.
- Read the complete breakdown of OSHA 1926.1431 for the full rule, including the proof testing and trial lift requirements
- See how every platform is load tested, certified, and inspected before it ships
- See what’s on the data plate that documents your platform’s rated capacity and test weight
Talk to our team about a platform built for how often you’ll actually need to prove it.