Pick
your
poison
100
What arrangement do trusses rely on to distribute weight?
Triangular
100
How are trusses transported(position)?
Lying on their sides
Upright in cradles
100
What conditions may require the use of metal tie downs?
- High winds
- Hurricane Prone Areas
- Teacher Discretion
200
How do you secure the truss to the top plate(what nails are used)?
Toenail with 10d nails
200
Why might you use caution when transporting a truss?
Trusses are more delicate than standard lumber
200
Why are personal fall arrest systems(PFAS) inadequate protection when initially installing trusses?
A single truss can not support the weight of a worker
300
Name one way a worker can stay protected before the trusses are fully braced?
- Assembled on ground and lifted with crane
- Peak anchors and lifelines can be installed
- Lifts, scaffolds, and/or ladders
300
What is the leading cause of truss collapse?
Insufficient temporary bracing
300
Name one advantage of using trusses over stick framing?
- Faster and more economical
- Less Labor
- Span greater distances without a load bearing wall
400
What's needed to lift a 35 ft truss in place?
Two Chokers
400
What are the temporary and permanent bracing methods for steel trusses?
Similar to that of wood bracing
400
What's the one aspect of bracing that is usually overlooked?
Diagonal Bracing
500
What "series" provides guides for the handling of trusses?
Building Component Safety Information(BCSI)
500
How are bar joists attached to the steel frame?
Welding
500
How can light trusses be erected without the use of a crane?
Lifted, then anchored to the top plate as crew members on the ground push them into place with Y-shaped poles