How much weight must a scaffold be capable of supporting?

Asked By: Nedal Veira | Last Updated: 21st February, 2020
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Each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least four times the maximum intended load applied or transmitted to the scaffold.

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Furthermore, how many times the intended load should a scaffold be able to support?

Proper training includes being informed of the maximum intended load of the scaffold you are working on as well as its load-carrying capacities. In most instances, scaffolds should be capable of supporting at least four times its maximum intended load. Use boxes or ladders to increase your work height.

Additionally, how do you calculate scaffolding load bearing capacity? The load capacity of scaffolding is determined by a height to base ratio of 4:1, Meaning the scaffold can be up to four times the minimal base width.

Also to know, what is OSHA Standard for scaffold?

The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level.

What is an appropriate support for a scaffold or plank?

When a crosspoint of crossbracing is used as a midrail, it must be between 20 inches (0.5 meters) and 30 inches (0.8 m) above the work platform. 1926.451(g)(4) Footings -- Support scaffold footings shall be level and capable of supporting the loaded scaffold.

39 Related Question Answers Found

Can you tie off to a scaffold?

Question 3: Do the OSHA standards prohibit tying off to a scaffold? Answer: No. It is OSHA's position that scaffolding can function as a suitable anchorage for fall arrest systems when the scaffolding section so used is erected and braced such that the criteria of §1926.502(d)(15) are met.

Does scaffold training expire?

All scaffold refresher courses must be taken within one year of the original card's expiration date.

What is the maximum space between scaffold planks?

The standard requires that the space between the scaffold planks or between scaffold planks and uprights be no more than one inch wide unless the employer can demonstrate that a wider space is necessary.

What is heavy duty scaffolding?

Heavy Duty (H.D.) Access Scaffold Systems are suitable for high loads while providing safe solution and versatile access for working at maximum heights.

How much weight can a scaffold tube hold?


tensile strength tube
The working tensile load that a steel scaffold tube will carry is around 79 kN (about 8 tonnes). This is based on the area of a 48.3 o/d tube 4.47mm wall thickness, no allowance for tolerance made from HE30TF alloy with a yield stress of 255 N/mm2.

How many times the maximum intended load?

In general industry, however, section 1910.28(a)(4) requires that "scaffolds and their components shall be capable of supporting without failure at least four times the maximum intended load." Under section 1910.21(f)(19), maximum intended load is defined as "the total load of all loads including the working load, the

What is the most commonly used type of scaffold?

What is the most commonly used type of scaffold? The most commonly used is likely some form of supported scaffold, such as a manufactured frame scaffold. Scaffolding is also among the most cited OSHA violations- learn how to do it right.

Who can inspect a scaffold?

A person who has been on a CISRS Basic Scaffold Inspection Training Scheme Course SITS would be deemed competent to inspect a basic scaffold structure provided their employer can demonstrate they have the necessary knowledge and experience and they have passed the knowledge test at the end of the course.

What is standard scaffolding?


Basic scaffolding
The standards, also called uprights, are the vertical tubes that transfer the entire weight of the structure to the ground where they rest on a square base plate to spread the load. The base plate has a shank in its centre to hold the tube and is sometimes pinned to a sole board.

What are the three main scaffold types?

As per OSHA, how many types of scaffolding are there? Three basic types, supported, suspended and rolling, as in baker's scaffold, or aerial lifts such as scissor lifts, boom lifts etc.

Is a harness required on scaffolding?

Employers are permitted to use any or all of the three prescribed fall protection systems in most instances, not specifically safety harnesses as Gilbane recommends. For scaffold work, employees must have fall protection when working at a height of 10 feet or more above a lower level.

What kind of lumber should be used in constructing a scaffold?

The most common wood used for solid-sawn scaffold planks is southern yellow pine, which the Southern Pine Inspection Bureau grades as DI-65 or, less commonly, DI-72.

What is the height at which guardrails are required on scaffolds?

The minimum guardrail height for scaffolds manufactured or first placed in service after January 1, 2000 is 38 inches. For all scaffolds, the maximum height is 45 inches.

How is SWL calculated?

To calculate the SWL, you need to know the diameter of the cable or rope. If you're working with a 1.5-inch diameter cable, for example, then the formula would be SWL = 1.52 x 8 or SWL = 2.25 x 8. This calculation means the SWL of a 1.5-inch diameter rope is 18 tons.