SAIA Journeyperson Scaffold Erector — Level 2 Feed

Question

On a tube-and-clamp scaffold, which coupler is used to make a load-bearing 90-degree connection of a ledger to a standard?

Systems Tube And Clamp Erection

Question · Easy

Question

Which coupler must be used to attach a diagonal brace tube to a vertical standard on a tube-and-clamp scaffold?

Systems Tube And Clamp Erection

Question · Easy

Question

In tube-and-clamp scaffold terminology, what is the horizontal tube that runs parallel to the structure face and ties the standards together at each lift called?

Systems Tube And Clamp Erection

Question · Easy

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Question

Per OSHA 1926.451(a)(1), each scaffold and scaffold component must be capable of supporting, without failure, its own weight plus at least how many times the maximum intended load?

Load Calculations

Question · Easy

Question

What is the minimum safety factor required for each suspension rope and its connecting hardware on a suspension scaffold under OSHA 1926.451(a)(3)?

Suspended Swing Stage

Question · Medium

Question

A supported scaffold has a base width of 5 feet. At what height does OSHA's height-to-base ratio require it to be restrained from tipping by guying, tying, or bracing?

Advanced Ties And Bracing

Question · Medium

Question

For a supported scaffold 3 feet wide or less, what is the maximum VERTICAL spacing between ties/guys per OSHA's guying requirements?

Advanced Ties And Bracing

Question · Medium

Question

What is the maximum HORIZONTAL spacing between ties on a supported scaffold under OSHA Subpart L?

Advanced Ties And Bracing

Question · Medium

Question

A two-point suspended scaffold (swing stage) outrigger beam is being stabilized with counterweights. Which material is acceptable as a counterweight under OSHA?

Suspended Swing Stage

Question · Medium

Question

On a two-point suspended scaffold, counterweights must resist at least how many times the tipping moment at the rated load of the hoist?

Suspended Swing Stage

Question · Hard

Question

How must tiebacks for a two-point suspended scaffold be installed relative to the building face?

Suspended Swing Stage

Question · Medium

Question

What is OSHA's rated load classification for a light-duty scaffold platform?

Load Calculations

Question · Easy

Question

A medium-duty scaffold platform is 7 ft long by 5 ft wide. Using OSHA's duty rating, what is its maximum intended uniform load?

Load Calculations

Question · Medium

Question

Fall protection (guardrail system or personal fall arrest) is required on a supported scaffold when the working platform is more than what height above a lower level?

Advanced Ties And Bracing

Question · Easy

Question

For scaffolds built after January 1, 2000, what is the required height range for the top rail of a guardrail system?

Advanced Ties And Bracing

Question · Medium

Question

A scaffold guardrail top rail must be able to withstand, without failure, a downward or outward force of at least how much?

Advanced Ties And Bracing

Question · Medium

Question

When a cantilevered work platform or other eccentric load is applied to a supported scaffold, what does OSHA require?

Cantilevers And Returns

Question · Medium

Question

On a needle beam scaffold, how must the platform units be attached to the needle beams per OSHA 1926.452(k)?

Cantilevers And Returns

Question · Hard

Question

A scaffold platform must not be more than what distance from the work face, except for plastering/lathing work?

Complex Access

Question · Medium

Question

When a scaffold platform is more than what distance from an access point, must a ladder, stair tower, ramp, or other access means be provided?

Complex Access

Question · Easy

Question

A competent person must inspect a scaffold for visible defects at what minimum frequency?

Inspection

Question · Easy

Question

On a tube-and-clamp scaffold, what is the typical recommended tightening torque applied to a right-angle coupler to achieve its rated slip resistance?

Systems Tube And Clamp Erection

Question · Hard

Question

What is the maximum allowable gap between a scaffold platform and the uprights (e.g., the standards) of a supported scaffold?

Complex Access

Question · Medium

Question

When platform planks are abutted end to end over a support, what is the minimum end overhang OSHA requires past the centerline of the support?

Complex Access

Question · Medium

Question

For a plank 10 feet long or less, what is the maximum distance OSHA allows the plank to overhang (extend past) its end support?

Complex Access

Question · Hard

Question

On a hook-on or attachable ladder used for scaffold access, the bottom rung must be no more than what distance above the level the scaffold is supported on?

Complex Access

Question · Medium

Question

Why must cross-braces NOT be used as a means of access onto a scaffold?

Complex Access

Question · Easy

Question

A systems (modular) scaffold differs from tube-and-clamp scaffold mainly because systems scaffold uses what to connect members?

Systems Tube And Clamp Erection

Question · Easy

Question

An advantage of tube-and-clamp scaffold over systems scaffold for complex structures is that it:

Systems Tube And Clamp Erection

Question · Medium

Question

When extending the length of a vertical standard in a tube-and-clamp scaffold, where should the joint (sleeve coupler) ideally be located?

Systems Tube And Clamp Erection

Question · Hard

Question

What is the primary purpose of facade (longitudinal) and ledger (transverse) bracing on a tube-and-clamp scaffold?

Advanced Ties And Bracing

Question · Easy

Question

A scaffold tie connects the scaffold to the structure. What two forces is a properly designed tie intended to resist?

Advanced Ties And Bracing

Question · Medium

Question

Which tie type uses tubes that pass around a structural column or through a window opening and back to the scaffold, resisting both inward and outward movement?

Advanced Ties And Bracing

Question · Medium

Question

Reveal ties (which rely on a screw-jacked tube wedged across an opening) are limited because they:

Advanced Ties And Bracing

Question · Hard

Question

On a suspension scaffold using a winding-drum hoist, OSHA requires that at the lowest point of travel the rope must retain at least how many wraps on the drum?

Suspended Swing Stage

Question · Hard

Question

Before workers board a two-point suspended scaffold, the entire system including ropes, anchorages, and tiebacks should be inspected by:

Inspection

Question · Easy

Question

On a two-point suspended scaffold, each employee must be protected from falls by what, in addition to a guardrail system?

Suspended Swing Stage

Question · Medium

Question

The independent lifeline for a worker's personal fall arrest system on a suspended scaffold must be anchored to:

Suspended Swing Stage

Question · Hard

Question

What is the purpose of a 'return' (e.g., an inside or outside corner return) in scaffold erection?

Cantilevers And Returns

Question · Medium

Question

A cantilever (drop) scaffold extends a platform outward beyond the supporting structure. The chief design concern is:

Cantilevers And Returns

Question · Medium

Question

Who must design supported scaffolds that exceed the limits in OSHA's non-mandatory Appendix A or that involve complex configurations such as cantilevers?

Cantilevers And Returns

Question · Medium

Question

A scaffold leg carries a calculated maximum intended load of 1,500 lb. To satisfy OSHA's 4:1 component safety factor, the leg and its base must be capable of supporting at least:

Load Calculations

Question · Medium

Question

A mudsill is used under base plates primarily to:

Load Calculations

Question · Easy

Question

Adjustable screw jacks (base jacks) at the bottom of standards are used to:

Load Calculations

Question · Easy

Question

To protect workers below from falling objects, a toeboard must be at least how tall?