When lifting trusses over 30 feet long a _______________ must be used.

spreader bar

When unloading trusses with a crane, the operator should NOT

lift by web member

The minimum size lumber used as Lateral Restraint and Diagonal Bracing for wood trusses is

2 x 4

If a wood truss has a rise of 6’, the maximum out-of-plumb tolerance is

1 1⁄2”

A 25 foot truss should not be installed if it has an overall bow that is greater than

1 1⁄2”

_______________ is the proper placement of plywood when stacking on trusses?

next to load bearing wall and perpendicular to the truss

Using _______________ nails at each nailing point is the proper way to nail diagonal web bracing.

2 – 16d

_______________ is the maximum allowable spacing for diagonal bracing along top chords.

20’

How much load can be placed on unbraced trusses?

None of the above

If jobsite modification of a truss is needed

Consult the designer/engineer

_______________ is the maximum allowable spacing for diagonal bracing along bottom chords?

15’

_______________ are not marked in any way to identify the frequency or location of temporary installation restraint/bracing.

Trusses

What kind of bending should be avoided when unloading trusses?

lateral

_______________ size should be determined by weight and size of trusses to be hoisted.

Crane

How many lift points should you have for truss bundles with Top Chord Pitch greater than 60 degrees?

3

_______________ ground bracing tie off trusses to a series of braces that are attached to stakes driven in the ground.

Exterior

_______________ plane requires temporary/permanent diagonal bracing.

Web member

How often should you cut or drill a structural member of a Truss?

Never

_______________ is/are the horizontal distance(s) between outside edges of exterior bearings.

Truss span

What is truss heel height?

Vertical depth at the outside face of bearing

What are trusses specially designed to carry extra loads from framing and equipment? Girders

Girders

Toe _______________ is often used to connect corner and end jack trusses together.

Nailing

_______________ is a solid member placed between structural members, usually at the bearings.

Blocking

_______________ is a roof having 2 slopes on each side of the peak , the lower slope usually steeper than the upper.

Gambrel

For 2 x 6 or greater lateral restraint and diagonal bracing, use a minimum of

3 nails