Exam 29: Safety Rules for Erecting and Using Scaffolding

Scaffold legs can rest on hollow block.

Where persons are required to work or pass under the scaffold, scaffolds shall be provided with a screen between the toeboard and the guardrail.

Materials stocked on the scaffold should never be placed directly over the scaffolding frame.

_____ are crosspieces of heavy timber or steel beam, one end of which rests in a hole left in the wall, with the other end resting on solid ground or on a suitable base.

Employees should use extreme caution when working on scaffolds during high winds.

Guardrails, toe boards, and midrails should be on all steel scaffolds ______ .

Wire, synthetic ropes, or fiber ropes used for scaffolding suspension should be capable of supporting at least _____ times the rated load.

When building a single section of scaffolding and laying the wooden planks, be sure that they extend ______ the brackets.

All load-carrying timber members for scaffolding framing should be _____ construction grade lumber.

______ are also know as blocking boards.

OSHA estimates that as many as _____ accidents can be prevented annually if construction sites are compliant with current safety standards.

As a rule, the mason does not use rolling scaffolds, but they are sometimes used on small repair jobs or when pointing joints.

According to the 29 CFR 1926, toeboards shall be _____ .

When scaffolding is higher than two sections, it should be tied to the structure at every _____ of height with a heavy-gauge wire.

The board on which the scaffolding rests is known as the _____ .