問題一覧
1
What is it that determines the load carrying capacity of a system Scaffold?
It is important that the Systems Scaffold manufacture's allowable loading for posts and bearers is strictly followed.
2
What are two (2) basie materials used in the construction of scafold planks?
Laminated veneer and edge glued laminate
3
What is the primary regulation governing scaffolds in the United States?
OSHA
4
Maximum spacing scaffold of ties is set out by regulations. What would cause ties to be placed closer together?
Suitable anchor locations
5
What is wrong (if anything) with the leveling a scaffold by stacking relatively small pieces of lumber under the legs?
Nothing as long as they are nailed together
6
What is the most common way in which a Rolling System Scaffold Tower is prevented from tipping if it exceeds the safe height to base ratio
Out riggers
7
Horizontal and diagonal braces are connected to a System Scaffold by...?
Special fittings at the ends to join the connection points on the post
8
What is the approximate height for the toprail on a standard guardrail system?
42 inches
9
What is the nominal size of standard scaffold plank?
2 in. x 10 in.
10
How do you join horizontal and diagonal braces to a system scaffold post?
Horizontal and diagonal braces have special fittings at the ends to join t the connection points on the post
11
How wide should the working platform be of a System Scaffold?
In general, the width of the platform is determined by the purpose the scaffold is intended to be used for
12
What do you look for when you inspect components that are intended to be used in a System Scaffold?
All of the above are correct
13
How do you complete the scaffold when the final working height has been reached?
When the final height has been reached, the work platform is completed with toeboards, guardrails and midrails
14
What kind of workers should design and/or erect hanging scaffold?
Hanging scaffolds should be designed by experienced scaffold di and erected by experience scaffold erectors
15
What is approximately the normal spacing between preformed connectors along the length of a post?
Approximately every 20 inches
16
What is the minimum height for a toeboard?
3.5 inches
17
What is the name of the vertical member in a System Scaffold?
Post
18
Why are adjustable screwjacks used at the base of a System Scaffold?
All of the above are correct
19
Which horizontal member is a System Scaffold is the load carrying member?
The bearer
20
Which direction is a guardrail gate required to move in relation to the platform?
It must move swing in towards the platform